/[pcre]/code/trunk/pcretest.c
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revision 31 by nigel, Sat Feb 24 21:38:57 2007 UTC revision 780 by ph10, Fri Dec 2 11:39:21 2011 UTC
# Line 2  Line 2 
2  *             PCRE testing program               *  *             PCRE testing program               *
3  *************************************************/  *************************************************/
4    
5    /* This program was hacked up as a tester for PCRE. I really should have
6    written it more tidily in the first place. Will I ever learn? It has grown and
7    been extended and consequently is now rather, er, *very* untidy in places.
8    
9    -----------------------------------------------------------------------------
10    Redistribution and use in source and binary forms, with or without
11    modification, are permitted provided that the following conditions are met:
12    
13        * Redistributions of source code must retain the above copyright notice,
14          this list of conditions and the following disclaimer.
15    
16        * Redistributions in binary form must reproduce the above copyright
17          notice, this list of conditions and the following disclaimer in the
18          documentation and/or other materials provided with the distribution.
19    
20        * Neither the name of the University of Cambridge nor the names of its
21          contributors may be used to endorse or promote products derived from
22          this software without specific prior written permission.
23    
24    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34    POSSIBILITY OF SUCH DAMAGE.
35    -----------------------------------------------------------------------------
36    */
37    
38    
39    #ifdef HAVE_CONFIG_H
40    #include "config.h"
41    #endif
42    
43  #include <ctype.h>  #include <ctype.h>
44  #include <stdio.h>  #include <stdio.h>
45  #include <string.h>  #include <string.h>
46  #include <stdlib.h>  #include <stdlib.h>
47  #include <time.h>  #include <time.h>
48  #include <locale.h>  #include <locale.h>
49    #include <errno.h>
50    
51    #ifdef SUPPORT_LIBREADLINE
52    #ifdef HAVE_UNISTD_H
53    #include <unistd.h>
54    #endif
55    #include <readline/readline.h>
56    #include <readline/history.h>
57    #endif
58    
59    
60    /* A number of things vary for Windows builds. Originally, pcretest opened its
61    input and output without "b"; then I was told that "b" was needed in some
62    environments, so it was added for release 5.0 to both the input and output. (It
63    makes no difference on Unix-like systems.) Later I was told that it is wrong
64    for the input on Windows. I've now abstracted the modes into two macros that
65    are set here, to make it easier to fiddle with them, and removed "b" from the
66    input mode under Windows. */
67    
68    #if defined(_WIN32) || defined(WIN32)
69    #include <io.h>                /* For _setmode() */
70    #include <fcntl.h>             /* For _O_BINARY */
71    #define INPUT_MODE   "r"
72    #define OUTPUT_MODE  "wb"
73    
74    #ifndef isatty
75    #define isatty _isatty         /* This is what Windows calls them, I'm told, */
76    #endif                         /* though in some environments they seem to   */
77                                   /* be already defined, hence the #ifndefs.    */
78    #ifndef fileno
79    #define fileno _fileno
80    #endif
81    
82    /* A user sent this fix for Borland Builder 5 under Windows. */
83    
84    #ifdef __BORLANDC__
85    #define _setmode(handle, mode) setmode(handle, mode)
86    #endif
87    
88    /* Not Windows */
89    
90    #else
91    #include <sys/time.h>          /* These two includes are needed */
92    #include <sys/resource.h>      /* for setrlimit(). */
93    #define INPUT_MODE   "rb"
94    #define OUTPUT_MODE  "wb"
95    #endif
96    
 /* Use the internal info for displaying the results of pcre_study(). */  
97    
98  #include "internal.h"  /* We have to include pcre_internal.h because we need the internal info for
99    displaying the results of pcre_study() and we also need to know about the
100    internal macros, structures, and other internal data values; pcretest has
101    "inside information" compared to a program that strictly follows the PCRE API.
102    
103    Although pcre_internal.h does itself include pcre.h, we explicitly include it
104    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
105    appropriately for an application, not for building PCRE. */
106    
107    #include "pcre.h"
108    #include "pcre_internal.h"
109    
110    /* We need access to some of the data tables that PCRE uses. So as not to have
111    to keep two copies, we include the source file here, changing the names of the
112    external symbols to prevent clashes. */
113    
114    #define _pcre_ucp_gentype      ucp_gentype
115    #define _pcre_ucp_typerange    ucp_typerange
116    #define _pcre_utf8_table1      utf8_table1
117    #define _pcre_utf8_table1_size utf8_table1_size
118    #define _pcre_utf8_table2      utf8_table2
119    #define _pcre_utf8_table3      utf8_table3
120    #define _pcre_utf8_table4      utf8_table4
121    #define _pcre_utf8_char_sizes  utf8_char_sizes
122    #define _pcre_utt              utt
123    #define _pcre_utt_size         utt_size
124    #define _pcre_utt_names        utt_names
125    #define _pcre_OP_lengths       OP_lengths
126    
127    #include "pcre_tables.c"
128    
129    /* We also need the pcre_printint() function for printing out compiled
130    patterns. This function is in a separate file so that it can be included in
131    pcre_compile.c when that module is compiled with debugging enabled. It needs to
132    know which case is being compiled. */
133    
134    #define COMPILING_PCRETEST
135    #include "pcre_printint.src"
136    
137    /* The definition of the macro PRINTABLE, which determines whether to print an
138    output character as-is or as a hex value when showing compiled patterns, is
139    contained in the printint.src file. We uses it here also, in cases when the
140    locale has not been explicitly changed, so as to get consistent output from
141    systems that differ in their output from isprint() even in the "C" locale. */
142    
143    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
144    
145    /* It is possible to compile this test program without including support for
146    testing the POSIX interface, though this is not available via the standard
147    Makefile. */
148    
149    #if !defined NOPOSIX
150  #include "pcreposix.h"  #include "pcreposix.h"
151    #endif
152    
153    /* It is also possible, for the benefit of the version currently imported into
154    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
155    interface to the DFA matcher (NODFA), and without the doublecheck of the old
156    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
157    UTF8 support if PCRE is built without it. */
158    
159    #ifndef SUPPORT_UTF8
160    #ifndef NOUTF8
161    #define NOUTF8
162    #endif
163    #endif
164    
165    
166    /* Other parameters */
167    
168  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
169  #ifdef CLK_TCK  #ifdef CLK_TCK
# Line 22  Line 173 
173  #endif  #endif
174  #endif  #endif
175    
176  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
177    
178    #define LOOPREPEAT 500000
179    
180    /* Static variables */
181    
182  static FILE *outfile;  static FILE *outfile;
183  static int log_store = 0;  static int log_store = 0;
184    static int callout_count;
185    static int callout_extra;
186    static int callout_fail_count;
187    static int callout_fail_id;
188    static int debug_lengths;
189    static int first_callout;
190    static int locale_set = 0;
191    static int show_malloc;
192    static int use_utf8;
193    static size_t gotten_store;
194    static size_t first_gotten_store = 0;
195    static const unsigned char *last_callout_mark = NULL;
196    
197    /* The buffers grow automatically if very long input lines are encountered. */
198    
199    static int buffer_size = 50000;
200    static uschar *buffer = NULL;
201    static uschar *dbuffer = NULL;
202    static uschar *pbuffer = NULL;
203    
204    /* Textual explanations for runtime error codes */
205    
206    static const char *errtexts[] = {
207      NULL,  /* 0 is no error */
208      NULL,  /* NOMATCH is handled specially */
209      "NULL argument passed",
210      "bad option value",
211      "magic number missing",
212      "unknown opcode - pattern overwritten?",
213      "no more memory",
214      NULL,  /* never returned by pcre_exec() or pcre_dfa_exec() */
215      "match limit exceeded",
216      "callout error code",
217      NULL,  /* BADUTF8 is handled specially */
218      "bad UTF-8 offset",
219      NULL,  /* PARTIAL is handled specially */
220      "not used - internal error",
221      "internal error - pattern overwritten?",
222      "bad count value",
223      "item unsupported for DFA matching",
224      "backreference condition or recursion test not supported for DFA matching",
225      "match limit not supported for DFA matching",
226      "workspace size exceeded in DFA matching",
227      "too much recursion for DFA matching",
228      "recursion limit exceeded",
229      "not used - internal error",
230      "invalid combination of newline options",
231      "bad offset value",
232      NULL,  /* SHORTUTF8 is handled specially */
233      "nested recursion at the same subject position",
234      "JIT stack limit reached"
235    };
236    
237    
238    /*************************************************
239    *         Alternate character tables             *
240    *************************************************/
241    
242  /* Debugging function to print the internal form of the regex. This is the same  /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
243  code as contained in pcre.c under the DEBUG macro. */  using the default tables of the library. However, the T option can be used to
244    select alternate sets of tables, for different kinds of testing. Note also that
245  static const char *OP_names[] = {  the L (locale) option also adjusts the tables. */
246    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
247    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  /* This is the set of tables distributed as default with PCRE. It recognizes
248    "Opt", "^", "$", "Any", "chars", "not",  only ASCII characters. */
249    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
250    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  static const unsigned char tables0[] = {
251    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
252    "*", "*?", "+", "+?", "?", "??", "{", "{",  /* This table is a lower casing table. */
253    "class", "Ref",  
254    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",      0,  1,  2,  3,  4,  5,  6,  7,
255    "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",      8,  9, 10, 11, 12, 13, 14, 15,
256    "Brazero", "Braminzero", "Bra"     16, 17, 18, 19, 20, 21, 22, 23,
257       24, 25, 26, 27, 28, 29, 30, 31,
258       32, 33, 34, 35, 36, 37, 38, 39,
259       40, 41, 42, 43, 44, 45, 46, 47,
260       48, 49, 50, 51, 52, 53, 54, 55,
261       56, 57, 58, 59, 60, 61, 62, 63,
262       64, 97, 98, 99,100,101,102,103,
263      104,105,106,107,108,109,110,111,
264      112,113,114,115,116,117,118,119,
265      120,121,122, 91, 92, 93, 94, 95,
266       96, 97, 98, 99,100,101,102,103,
267      104,105,106,107,108,109,110,111,
268      112,113,114,115,116,117,118,119,
269      120,121,122,123,124,125,126,127,
270      128,129,130,131,132,133,134,135,
271      136,137,138,139,140,141,142,143,
272      144,145,146,147,148,149,150,151,
273      152,153,154,155,156,157,158,159,
274      160,161,162,163,164,165,166,167,
275      168,169,170,171,172,173,174,175,
276      176,177,178,179,180,181,182,183,
277      184,185,186,187,188,189,190,191,
278      192,193,194,195,196,197,198,199,
279      200,201,202,203,204,205,206,207,
280      208,209,210,211,212,213,214,215,
281      216,217,218,219,220,221,222,223,
282      224,225,226,227,228,229,230,231,
283      232,233,234,235,236,237,238,239,
284      240,241,242,243,244,245,246,247,
285      248,249,250,251,252,253,254,255,
286    
287    /* This table is a case flipping table. */
288    
289        0,  1,  2,  3,  4,  5,  6,  7,
290        8,  9, 10, 11, 12, 13, 14, 15,
291       16, 17, 18, 19, 20, 21, 22, 23,
292       24, 25, 26, 27, 28, 29, 30, 31,
293       32, 33, 34, 35, 36, 37, 38, 39,
294       40, 41, 42, 43, 44, 45, 46, 47,
295       48, 49, 50, 51, 52, 53, 54, 55,
296       56, 57, 58, 59, 60, 61, 62, 63,
297       64, 97, 98, 99,100,101,102,103,
298      104,105,106,107,108,109,110,111,
299      112,113,114,115,116,117,118,119,
300      120,121,122, 91, 92, 93, 94, 95,
301       96, 65, 66, 67, 68, 69, 70, 71,
302       72, 73, 74, 75, 76, 77, 78, 79,
303       80, 81, 82, 83, 84, 85, 86, 87,
304       88, 89, 90,123,124,125,126,127,
305      128,129,130,131,132,133,134,135,
306      136,137,138,139,140,141,142,143,
307      144,145,146,147,148,149,150,151,
308      152,153,154,155,156,157,158,159,
309      160,161,162,163,164,165,166,167,
310      168,169,170,171,172,173,174,175,
311      176,177,178,179,180,181,182,183,
312      184,185,186,187,188,189,190,191,
313      192,193,194,195,196,197,198,199,
314      200,201,202,203,204,205,206,207,
315      208,209,210,211,212,213,214,215,
316      216,217,218,219,220,221,222,223,
317      224,225,226,227,228,229,230,231,
318      232,233,234,235,236,237,238,239,
319      240,241,242,243,244,245,246,247,
320      248,249,250,251,252,253,254,255,
321    
322    /* This table contains bit maps for various character classes. Each map is 32
323    bytes long and the bits run from the least significant end of each byte. The
324    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
325    graph, print, punct, and cntrl. Other classes are built from combinations. */
326    
327      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
331    
332      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
333      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
334      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
335      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
336    
337      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
338      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
339      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
340      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
341    
342      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
343      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
345      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
346    
347      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
348      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
349      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
350      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
351    
352      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
353      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
354      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
355      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
356    
357      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
358      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
360      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
361    
362      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
363      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
365      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
366    
367      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
368      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
370      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
371    
372      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
373      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
374      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
375      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
376    
377    /* This table identifies various classes of character by individual bits:
378      0x01   white space character
379      0x02   letter
380      0x04   decimal digit
381      0x08   hexadecimal digit
382      0x10   alphanumeric or '_'
383      0x80   regular expression metacharacter or binary zero
384    */
385    
386      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
387      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
388      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
389      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
390      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
391      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
392      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
393      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
394      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
395      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
396      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
397      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
398      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
399      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
400      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
401      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
412      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
413      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
414      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
415      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
416      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
417      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
418    
419    /* This is a set of tables that came orginally from a Windows user. It seems to
420    be at least an approximation of ISO 8859. In particular, there are characters
421    greater than 128 that are marked as spaces, letters, etc. */
422    
423    static const unsigned char tables1[] = {
424    0,1,2,3,4,5,6,7,
425    8,9,10,11,12,13,14,15,
426    16,17,18,19,20,21,22,23,
427    24,25,26,27,28,29,30,31,
428    32,33,34,35,36,37,38,39,
429    40,41,42,43,44,45,46,47,
430    48,49,50,51,52,53,54,55,
431    56,57,58,59,60,61,62,63,
432    64,97,98,99,100,101,102,103,
433    104,105,106,107,108,109,110,111,
434    112,113,114,115,116,117,118,119,
435    120,121,122,91,92,93,94,95,
436    96,97,98,99,100,101,102,103,
437    104,105,106,107,108,109,110,111,
438    112,113,114,115,116,117,118,119,
439    120,121,122,123,124,125,126,127,
440    128,129,130,131,132,133,134,135,
441    136,137,138,139,140,141,142,143,
442    144,145,146,147,148,149,150,151,
443    152,153,154,155,156,157,158,159,
444    160,161,162,163,164,165,166,167,
445    168,169,170,171,172,173,174,175,
446    176,177,178,179,180,181,182,183,
447    184,185,186,187,188,189,190,191,
448    224,225,226,227,228,229,230,231,
449    232,233,234,235,236,237,238,239,
450    240,241,242,243,244,245,246,215,
451    248,249,250,251,252,253,254,223,
452    224,225,226,227,228,229,230,231,
453    232,233,234,235,236,237,238,239,
454    240,241,242,243,244,245,246,247,
455    248,249,250,251,252,253,254,255,
456    0,1,2,3,4,5,6,7,
457    8,9,10,11,12,13,14,15,
458    16,17,18,19,20,21,22,23,
459    24,25,26,27,28,29,30,31,
460    32,33,34,35,36,37,38,39,
461    40,41,42,43,44,45,46,47,
462    48,49,50,51,52,53,54,55,
463    56,57,58,59,60,61,62,63,
464    64,97,98,99,100,101,102,103,
465    104,105,106,107,108,109,110,111,
466    112,113,114,115,116,117,118,119,
467    120,121,122,91,92,93,94,95,
468    96,65,66,67,68,69,70,71,
469    72,73,74,75,76,77,78,79,
470    80,81,82,83,84,85,86,87,
471    88,89,90,123,124,125,126,127,
472    128,129,130,131,132,133,134,135,
473    136,137,138,139,140,141,142,143,
474    144,145,146,147,148,149,150,151,
475    152,153,154,155,156,157,158,159,
476    160,161,162,163,164,165,166,167,
477    168,169,170,171,172,173,174,175,
478    176,177,178,179,180,181,182,183,
479    184,185,186,187,188,189,190,191,
480    224,225,226,227,228,229,230,231,
481    232,233,234,235,236,237,238,239,
482    240,241,242,243,244,245,246,215,
483    248,249,250,251,252,253,254,223,
484    192,193,194,195,196,197,198,199,
485    200,201,202,203,204,205,206,207,
486    208,209,210,211,212,213,214,247,
487    216,217,218,219,220,221,222,255,
488    0,62,0,0,1,0,0,0,
489    0,0,0,0,0,0,0,0,
490    32,0,0,0,1,0,0,0,
491    0,0,0,0,0,0,0,0,
492    0,0,0,0,0,0,255,3,
493    126,0,0,0,126,0,0,0,
494    0,0,0,0,0,0,0,0,
495    0,0,0,0,0,0,0,0,
496    0,0,0,0,0,0,255,3,
497    0,0,0,0,0,0,0,0,
498    0,0,0,0,0,0,12,2,
499    0,0,0,0,0,0,0,0,
500    0,0,0,0,0,0,0,0,
501    254,255,255,7,0,0,0,0,
502    0,0,0,0,0,0,0,0,
503    255,255,127,127,0,0,0,0,
504    0,0,0,0,0,0,0,0,
505    0,0,0,0,254,255,255,7,
506    0,0,0,0,0,4,32,4,
507    0,0,0,128,255,255,127,255,
508    0,0,0,0,0,0,255,3,
509    254,255,255,135,254,255,255,7,
510    0,0,0,0,0,4,44,6,
511    255,255,127,255,255,255,127,255,
512    0,0,0,0,254,255,255,255,
513    255,255,255,255,255,255,255,127,
514    0,0,0,0,254,255,255,255,
515    255,255,255,255,255,255,255,255,
516    0,2,0,0,255,255,255,255,
517    255,255,255,255,255,255,255,127,
518    0,0,0,0,255,255,255,255,
519    255,255,255,255,255,255,255,255,
520    0,0,0,0,254,255,0,252,
521    1,0,0,248,1,0,0,120,
522    0,0,0,0,254,255,255,255,
523    0,0,128,0,0,0,128,0,
524    255,255,255,255,0,0,0,0,
525    0,0,0,0,0,0,0,128,
526    255,255,255,255,0,0,0,0,
527    0,0,0,0,0,0,0,0,
528    128,0,0,0,0,0,0,0,
529    0,1,1,0,1,1,0,0,
530    0,0,0,0,0,0,0,0,
531    0,0,0,0,0,0,0,0,
532    1,0,0,0,128,0,0,0,
533    128,128,128,128,0,0,128,0,
534    28,28,28,28,28,28,28,28,
535    28,28,0,0,0,0,0,128,
536    0,26,26,26,26,26,26,18,
537    18,18,18,18,18,18,18,18,
538    18,18,18,18,18,18,18,18,
539    18,18,18,128,128,0,128,16,
540    0,26,26,26,26,26,26,18,
541    18,18,18,18,18,18,18,18,
542    18,18,18,18,18,18,18,18,
543    18,18,18,128,128,0,0,0,
544    0,0,0,0,0,1,0,0,
545    0,0,0,0,0,0,0,0,
546    0,0,0,0,0,0,0,0,
547    0,0,0,0,0,0,0,0,
548    1,0,0,0,0,0,0,0,
549    0,0,18,0,0,0,0,0,
550    0,0,20,20,0,18,0,0,
551    0,20,18,0,0,0,0,0,
552    18,18,18,18,18,18,18,18,
553    18,18,18,18,18,18,18,18,
554    18,18,18,18,18,18,18,0,
555    18,18,18,18,18,18,18,18,
556    18,18,18,18,18,18,18,18,
557    18,18,18,18,18,18,18,18,
558    18,18,18,18,18,18,18,0,
559    18,18,18,18,18,18,18,18
560  };  };
561    
562    
563  static void print_internals(pcre *re, FILE *outfile)  
564    
565    #ifndef HAVE_STRERROR
566    /*************************************************
567    *     Provide strerror() for non-ANSI libraries  *
568    *************************************************/
569    
570    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
571    in their libraries, but can provide the same facility by this simple
572    alternative function. */
573    
574    extern int   sys_nerr;
575    extern char *sys_errlist[];
576    
577    char *
578    strerror(int n)
579  {  {
580  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
581    return sys_errlist[n];
582    }
583    #endif /* HAVE_STRERROR */
584    
 fprintf(outfile, "------------------------------------------------------------------\n");  
585    
586  for(;;)  /*************************************************
587    *         JIT memory callback                    *
588    *************************************************/
589    
590    static pcre_jit_stack* jit_callback(void *arg)
591    {
592    return (pcre_jit_stack *)arg;
593    }
594    
595    
596    /*************************************************
597    *        Read or extend an input line            *
598    *************************************************/
599    
600    /* Input lines are read into buffer, but both patterns and data lines can be
601    continued over multiple input lines. In addition, if the buffer fills up, we
602    want to automatically expand it so as to be able to handle extremely large
603    lines that are needed for certain stress tests. When the input buffer is
604    expanded, the other two buffers must also be expanded likewise, and the
605    contents of pbuffer, which are a copy of the input for callouts, must be
606    preserved (for when expansion happens for a data line). This is not the most
607    optimal way of handling this, but hey, this is just a test program!
608    
609    Arguments:
610      f            the file to read
611      start        where in buffer to start (this *must* be within buffer)
612      prompt       for stdin or readline()
613    
614    Returns:       pointer to the start of new data
615                   could be a copy of start, or could be moved
616                   NULL if no data read and EOF reached
617    */
618    
619    static uschar *
620    extend_inputline(FILE *f, uschar *start, const char *prompt)
621    {
622    uschar *here = start;
623    
624    for (;;)
625    {    {
626    int c;    int rlen = (int)(buffer_size - (here - buffer));
   int charlength;  
   
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
   
   if (*code >= OP_BRA)  
     {  
     fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);  
     code += 2;  
     }  
   
   else switch(*code)  
     {  
     case OP_END:  
     fprintf(outfile, "    %s\n", OP_names[*code]);  
     fprintf(outfile, "------------------------------------------------------------------\n");  
     return;  
   
     case OP_OPT:  
     fprintf(outfile, " %.2x %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_COND:  
     fprintf(outfile, "%3d Cond", (code[1] << 8) + code[2]);  
     code += 2;  
     break;  
   
     case OP_CREF:  
     fprintf(outfile, " %.2d %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_CHARS:  
     charlength = *(++code);  
     fprintf(outfile, "%3d ", charlength);  
     while (charlength-- > 0)  
       if (isprint(c = *(++code))) fprintf(outfile, "%c", c);  
         else fprintf(outfile, "\\x%02x", c);  
     break;  
   
     case OP_KETRMAX:  
     case OP_KETRMIN:  
     case OP_ALT:  
     case OP_KET:  
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_REVERSE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_STAR:  
     case OP_MINSTAR:  
     case OP_PLUS:  
     case OP_MINPLUS:  
     case OP_QUERY:  
     case OP_MINQUERY:  
     case OP_TYPESTAR:  
     case OP_TYPEMINSTAR:  
     case OP_TYPEPLUS:  
     case OP_TYPEMINPLUS:  
     case OP_TYPEQUERY:  
     case OP_TYPEMINQUERY:  
     if (*code >= OP_TYPESTAR)  
       fprintf(outfile, "    %s", OP_names[code[1]]);  
     else if (isprint(c = code[1])) fprintf(outfile, "    %c", c);  
       else fprintf(outfile, "    \\x%02x", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_EXACT:  
     case OP_UPTO:  
     case OP_MINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    %c{", c);  
       else fprintf(outfile, "    \\x%02x{", c);  
     if (*code != OP_EXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_MINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_TYPEEXACT:  
     case OP_TYPEUPTO:  
     case OP_TYPEMINUPTO:  
     fprintf(outfile, "    %s{", OP_names[code[3]]);  
     if (*code != OP_TYPEEXACT) fprintf(outfile, "0,");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_TYPEMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_NOT:  
     if (isprint(c = *(++code))) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     break;  
   
     case OP_NOTSTAR:  
     case OP_NOTMINSTAR:  
     case OP_NOTPLUS:  
     case OP_NOTMINPLUS:  
     case OP_NOTQUERY:  
     case OP_NOTMINQUERY:  
     if (isprint(c = code[1])) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_NOTEXACT:  
     case OP_NOTUPTO:  
     case OP_NOTMINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    [^%c]{", c);  
       else fprintf(outfile, "    [^\\x%02x]{", c);  
     if (*code != OP_NOTEXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_NOTMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_REF:  
     fprintf(outfile, "    \\%d", *(++code));  
     code++;  
     goto CLASS_REF_REPEAT;  
   
     case OP_CLASS:  
       {  
       int i, min, max;  
       code++;  
       fprintf(outfile, "    [");  
   
       for (i = 0; i < 256; i++)  
         {  
         if ((code[i/8] & (1 << (i&7))) != 0)  
           {  
           int j;  
           for (j = i+1; j < 256; j++)  
             if ((code[j/8] & (1 << (j&7))) == 0) break;  
           if (i == '-' || i == ']') fprintf(outfile, "\\");  
           if (isprint(i)) fprintf(outfile, "%c", i); else fprintf(outfile, "\\x%02x", i);  
           if (--j > i)  
             {  
             fprintf(outfile, "-");  
             if (j == '-' || j == ']') fprintf(outfile, "\\");  
             if (isprint(j)) fprintf(outfile, "%c", j); else fprintf(outfile, "\\x%02x", j);  
             }  
           i = j;  
           }  
         }  
       fprintf(outfile, "]");  
       code += 32;  
   
       CLASS_REF_REPEAT:  
   
       switch(*code)  
         {  
         case OP_CRSTAR:  
         case OP_CRMINSTAR:  
         case OP_CRPLUS:  
         case OP_CRMINPLUS:  
         case OP_CRQUERY:  
         case OP_CRMINQUERY:  
         fprintf(outfile, "%s", OP_names[*code]);  
         break;  
627    
628          case OP_CRRANGE:    if (rlen > 1000)
629          case OP_CRMINRANGE:      {
630          min = (code[1] << 8) + code[2];      int dlen;
         max = (code[3] << 8) + code[4];  
         if (max == 0) fprintf(outfile, "{%d,}", min);  
         else fprintf(outfile, "{%d,%d}", min, max);  
         if (*code == OP_CRMINRANGE) fprintf(outfile, "?");  
         code += 4;  
         break;  
631    
632          default:      /* If libreadline support is required, use readline() to read a line if the
633          code--;      input is a terminal. Note that readline() removes the trailing newline, so
634        we must put it back again, to be compatible with fgets(). */
635    
636    #ifdef SUPPORT_LIBREADLINE
637        if (isatty(fileno(f)))
638          {
639          size_t len;
640          char *s = readline(prompt);
641          if (s == NULL) return (here == start)? NULL : start;
642          len = strlen(s);
643          if (len > 0) add_history(s);
644          if (len > rlen - 1) len = rlen - 1;
645          memcpy(here, s, len);
646          here[len] = '\n';
647          here[len+1] = 0;
648          free(s);
649          }
650        else
651    #endif
652    
653        /* Read the next line by normal means, prompting if the file is stdin. */
654    
655          {
656          if (f == stdin) printf("%s", prompt);
657          if (fgets((char *)here, rlen,  f) == NULL)
658            return (here == start)? NULL : start;
659          }
660    
661        dlen = (int)strlen((char *)here);
662        if (dlen > 0 && here[dlen - 1] == '\n') return start;
663        here += dlen;
664        }
665    
666      else
667        {
668        int new_buffer_size = 2*buffer_size;
669        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
670        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
671        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
672    
673        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
674          {
675          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
676          exit(1);
677          }
678    
679        memcpy(new_buffer, buffer, buffer_size);
680        memcpy(new_pbuffer, pbuffer, buffer_size);
681    
682        buffer_size = new_buffer_size;
683    
684        start = new_buffer + (start - buffer);
685        here = new_buffer + (here - buffer);
686    
687        free(buffer);
688        free(dbuffer);
689        free(pbuffer);
690    
691        buffer = new_buffer;
692        dbuffer = new_dbuffer;
693        pbuffer = new_pbuffer;
694        }
695      }
696    
697    return NULL;  /* Control never gets here */
698    }
699    
700    
701    
702    
703    
704    
705    
706    /*************************************************
707    *          Read number from string               *
708    *************************************************/
709    
710    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
711    around with conditional compilation, just do the job by hand. It is only used
712    for unpicking arguments, so just keep it simple.
713    
714    Arguments:
715      str           string to be converted
716      endptr        where to put the end pointer
717    
718    Returns:        the unsigned long
719    */
720    
721    static int
722    get_value(unsigned char *str, unsigned char **endptr)
723    {
724    int result = 0;
725    while(*str != 0 && isspace(*str)) str++;
726    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
727    *endptr = str;
728    return(result);
729    }
730    
731    
732    
733    
734    /*************************************************
735    *            Convert UTF-8 string to value       *
736    *************************************************/
737    
738    /* This function takes one or more bytes that represents a UTF-8 character,
739    and returns the value of the character.
740    
741    Argument:
742      utf8bytes   a pointer to the byte vector
743      vptr        a pointer to an int to receive the value
744    
745    Returns:      >  0 => the number of bytes consumed
746                  -6 to 0 => malformed UTF-8 character at offset = (-return)
747    */
748    
749    #if !defined NOUTF8
750    
751    static int
752    utf82ord(unsigned char *utf8bytes, int *vptr)
753    {
754    int c = *utf8bytes++;
755    int d = c;
756    int i, j, s;
757    
758    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
759      {
760      if ((d & 0x80) == 0) break;
761      d <<= 1;
762      }
763    
764    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
765    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
766    
767    /* i now has a value in the range 1-5 */
768    
769    s = 6*i;
770    d = (c & utf8_table3[i]) << s;
771    
772    for (j = 0; j < i; j++)
773      {
774      c = *utf8bytes++;
775      if ((c & 0xc0) != 0x80) return -(j+1);
776      s -= 6;
777      d |= (c & 0x3f) << s;
778      }
779    
780    /* Check that encoding was the correct unique one */
781    
782    for (j = 0; j < utf8_table1_size; j++)
783      if (d <= utf8_table1[j]) break;
784    if (j != i) return -(i+1);
785    
786    /* Valid value */
787    
788    *vptr = d;
789    return i+1;
790    }
791    
792    #endif
793    
794    
795    
796    /*************************************************
797    *       Convert character value to UTF-8         *
798    *************************************************/
799    
800    /* This function takes an integer value in the range 0 - 0x7fffffff
801    and encodes it as a UTF-8 character in 0 to 6 bytes.
802    
803    Arguments:
804      cvalue     the character value
805      utf8bytes  pointer to buffer for result - at least 6 bytes long
806    
807    Returns:     number of characters placed in the buffer
808    */
809    
810    #if !defined NOUTF8
811    
812    static int
813    ord2utf8(int cvalue, uschar *utf8bytes)
814    {
815    register int i, j;
816    for (i = 0; i < utf8_table1_size; i++)
817      if (cvalue <= utf8_table1[i]) break;
818    utf8bytes += i;
819    for (j = i; j > 0; j--)
820     {
821     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
822     cvalue >>= 6;
823     }
824    *utf8bytes = utf8_table2[i] | cvalue;
825    return i + 1;
826    }
827    
828    #endif
829    
830    
831    
832    /*************************************************
833    *             Print character string             *
834    *************************************************/
835    
836    /* Character string printing function. Must handle UTF-8 strings in utf8
837    mode. Yields number of characters printed. If handed a NULL file, just counts
838    chars without printing. */
839    
840    static int pchars(unsigned char *p, int length, FILE *f)
841    {
842    int c = 0;
843    int yield = 0;
844    
845    while (length-- > 0)
846      {
847    #if !defined NOUTF8
848      if (use_utf8)
849        {
850        int rc = utf82ord(p, &c);
851    
852        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
853          {
854          length -= rc - 1;
855          p += rc;
856          if (PRINTHEX(c))
857            {
858            if (f != NULL) fprintf(f, "%c", c);
859            yield++;
860            }
861          else
862            {
863            int n = 4;
864            if (f != NULL) fprintf(f, "\\x{%02x}", c);
865            yield += (n <= 0x000000ff)? 2 :
866                     (n <= 0x00000fff)? 3 :
867                     (n <= 0x0000ffff)? 4 :
868                     (n <= 0x000fffff)? 5 : 6;
869          }          }
870          continue;
871          }
872        }
873    #endif
874    
875       /* Not UTF-8, or malformed UTF-8  */
876    
877      c = *p++;
878      if (PRINTHEX(c))
879        {
880        if (f != NULL) fprintf(f, "%c", c);
881        yield++;
882        }
883      else
884        {
885        if (f != NULL) fprintf(f, "\\x%02x", c);
886        yield += 4;
887        }
888      }
889    
890    return yield;
891    }
892    
893    
894    
895    /*************************************************
896    *              Callout function                  *
897    *************************************************/
898    
899    /* Called from PCRE as a result of the (?C) item. We print out where we are in
900    the match. Yield zero unless more callouts than the fail count, or the callout
901    data is not zero. */
902    
903    static int callout(pcre_callout_block *cb)
904    {
905    FILE *f = (first_callout | callout_extra)? outfile : NULL;
906    int i, pre_start, post_start, subject_length;
907    
908    if (callout_extra)
909      {
910      fprintf(f, "Callout %d: last capture = %d\n",
911        cb->callout_number, cb->capture_last);
912    
913      for (i = 0; i < cb->capture_top * 2; i += 2)
914        {
915        if (cb->offset_vector[i] < 0)
916          fprintf(f, "%2d: <unset>\n", i/2);
917        else
918          {
919          fprintf(f, "%2d: ", i/2);
920          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
921            cb->offset_vector[i+1] - cb->offset_vector[i], f);
922          fprintf(f, "\n");
923          }
924        }
925      }
926    
927    /* Re-print the subject in canonical form, the first time or if giving full
928    datails. On subsequent calls in the same match, we use pchars just to find the
929    printed lengths of the substrings. */
930    
931    if (f != NULL) fprintf(f, "--->");
932    
933    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
934    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
935      cb->current_position - cb->start_match, f);
936    
937    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
938    
939    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
940      cb->subject_length - cb->current_position, f);
941    
942    if (f != NULL) fprintf(f, "\n");
943    
944    /* Always print appropriate indicators, with callout number if not already
945    shown. For automatic callouts, show the pattern offset. */
946    
947    if (cb->callout_number == 255)
948      {
949      fprintf(outfile, "%+3d ", cb->pattern_position);
950      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
951      }
952    else
953      {
954      if (callout_extra) fprintf(outfile, "    ");
955        else fprintf(outfile, "%3d ", cb->callout_number);
956      }
957    
958    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
959    fprintf(outfile, "^");
960    
961    if (post_start > 0)
962      {
963      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
964      fprintf(outfile, "^");
965      }
966    
967    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
968      fprintf(outfile, " ");
969    
970    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
971      pbuffer + cb->pattern_position);
972    
973    fprintf(outfile, "\n");
974    first_callout = 0;
975    
976    if (cb->mark != last_callout_mark)
977      {
978      fprintf(outfile, "Latest Mark: %s\n",
979        (cb->mark == NULL)? "<unset>" : (char *)(cb->mark));
980      last_callout_mark = cb->mark;
981      }
982    
983    if (cb->callout_data != NULL)
984      {
985      int callout_data = *((int *)(cb->callout_data));
986      if (callout_data != 0)
987        {
988        fprintf(outfile, "Callout data = %d\n", callout_data);
989        return callout_data;
990        }
991      }
992    
993    return (cb->callout_number != callout_fail_id)? 0 :
994           (++callout_count >= callout_fail_count)? 1 : 0;
995    }
996    
997    
998    /*************************************************
999    *            Local malloc functions              *
1000    *************************************************/
1001    
1002    /* Alternative malloc function, to test functionality and save the size of a
1003    compiled re, which is the first store request that pcre_compile() makes. The
1004    show_malloc variable is set only during matching. */
1005    
1006    static void *new_malloc(size_t size)
1007    {
1008    void *block = malloc(size);
1009    gotten_store = size;
1010    if (first_gotten_store == 0) first_gotten_store = size;
1011    if (show_malloc)
1012      fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
1013    return block;
1014    }
1015    
1016    static void new_free(void *block)
1017    {
1018    if (show_malloc)
1019      fprintf(outfile, "free             %p\n", block);
1020    free(block);
1021    }
1022    
1023    /* For recursion malloc/free, to test stacking calls */
1024    
1025    static void *stack_malloc(size_t size)
1026    {
1027    void *block = malloc(size);
1028    if (show_malloc)
1029      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1030    return block;
1031    }
1032    
1033    static void stack_free(void *block)
1034    {
1035    if (show_malloc)
1036      fprintf(outfile, "stack_free       %p\n", block);
1037    free(block);
1038    }
1039    
1040    
1041    /*************************************************
1042    *          Call pcre_fullinfo()                  *
1043    *************************************************/
1044    
1045    /* Get one piece of information from the pcre_fullinfo() function */
1046    
1047    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
1048    {
1049    int rc;
1050    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
1051      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
1052    }
1053    
1054    
1055    
1056    /*************************************************
1057    *         Byte flipping function                 *
1058    *************************************************/
1059    
1060    static unsigned long int
1061    byteflip(unsigned long int value, int n)
1062    {
1063    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1064    return ((value & 0x000000ff) << 24) |
1065           ((value & 0x0000ff00) <<  8) |
1066           ((value & 0x00ff0000) >>  8) |
1067           ((value & 0xff000000) >> 24);
1068    }
1069    
1070    
1071    
1072    
1073    /*************************************************
1074    *        Check match or recursion limit          *
1075    *************************************************/
1076    
1077    static int
1078    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1079      int start_offset, int options, int *use_offsets, int use_size_offsets,
1080      int flag, unsigned long int *limit, int errnumber, const char *msg)
1081    {
1082    int count;
1083    int min = 0;
1084    int mid = 64;
1085    int max = -1;
1086    
1087    extra->flags |= flag;
1088    
1089    for (;;)
1090      {
1091      *limit = mid;
1092    
1093      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1094        use_offsets, use_size_offsets);
1095    
1096      if (count == errnumber)
1097        {
1098        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1099        min = mid;
1100        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1101        }
1102    
1103      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1104                             count == PCRE_ERROR_PARTIAL)
1105        {
1106        if (mid == min + 1)
1107          {
1108          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1109          break;
1110        }        }
1111      break;      /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1112        max = mid;
1113        mid = (min + mid)/2;
1114        }
1115      else break;    /* Some other error */
1116      }
1117    
1118    extra->flags &= ~flag;
1119    return count;
1120    }
1121    
1122    
1123    
1124      /* Anything else is just a one-node item */  /*************************************************
1125    *         Case-independent strncmp() function    *
1126    *************************************************/
1127    
1128      default:  /*
1129      fprintf(outfile, "    %s", OP_names[*code]);  Arguments:
1130      break;    s         first string
1131      }    t         second string
1132      n         number of characters to compare
1133    
1134    code++;  Returns:    < 0, = 0, or > 0, according to the comparison
1135    fprintf(outfile, "\n");  */
1136    
1137    static int
1138    strncmpic(uschar *s, uschar *t, int n)
1139    {
1140    while (n--)
1141      {
1142      int c = tolower(*s++) - tolower(*t++);
1143      if (c) return c;
1144    }    }
1145    return 0;
1146  }  }
1147    
1148    
1149    
1150  /* Character string printing function. */  /*************************************************
1151    *         Check newline indicator                *
1152    *************************************************/
1153    
1154    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1155    a message and return 0 if there is no match.
1156    
1157    Arguments:
1158      p           points after the leading '<'
1159      f           file for error message
1160    
1161    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1162    */
1163    
1164  static void pchars(unsigned char *p, int length)  static int
1165    check_newline(uschar *p, FILE *f)
1166  {  {
1167  int c;  if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1168  while (length-- > 0)  if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1169    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);  if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1170      else fprintf(outfile, "\\x%02x", c);  if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1171    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1172    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1173    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1174    fprintf(f, "Unknown newline type at: <%s\n", p);
1175    return 0;
1176  }  }
1177    
1178    
1179    
1180  /* Alternative malloc function, to test functionality and show the size of the  /*************************************************
1181  compiled re. */  *             Usage function                     *
1182    *************************************************/
1183    
1184  static void *new_malloc(size_t size)  static void
1185    usage(void)
1186  {  {
1187  if (log_store)  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1188    fprintf(outfile, "Memory allocation request: %d (code space %d)\n",  printf("Input and output default to stdin and stdout.\n");
1189      (int)size, (int)size - offsetof(real_pcre, code[0]));  #ifdef SUPPORT_LIBREADLINE
1190  return malloc(size);  printf("If input is a terminal, readline() is used to read from it.\n");
1191    #else
1192    printf("This version of pcretest is not linked with readline().\n");
1193    #endif
1194    printf("\nOptions:\n");
1195    printf("  -b       show compiled code (bytecode)\n");
1196    printf("  -C       show PCRE compile-time options and exit\n");
1197    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1198    #if !defined NODFA
1199    printf("  -dfa     force DFA matching for all subjects\n");
1200    #endif
1201    printf("  -help    show usage information\n");
1202    printf("  -i       show information about compiled patterns\n"
1203           "  -M       find MATCH_LIMIT minimum for each subject\n"
1204           "  -m       output memory used information\n"
1205           "  -o <n>   set size of offsets vector to <n>\n");
1206    #if !defined NOPOSIX
1207    printf("  -p       use POSIX interface\n");
1208    #endif
1209    printf("  -q       quiet: do not output PCRE version number at start\n");
1210    printf("  -S <n>   set stack size to <n> megabytes\n");
1211    printf("  -s       force each pattern to be studied at basic level\n"
1212           "  -s+      force each pattern to be studied, using JIT if available\n"
1213           "  -t       time compilation and execution\n");
1214    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1215    printf("  -tm      time execution (matching) only\n");
1216    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1217  }  }
1218    
1219    
1220    
1221    /*************************************************
1222    *                Main Program                    *
1223    *************************************************/
1224    
1225  /* Read lines from named file or stdin and write to named file or stdout; lines  /* Read lines from named file or stdin and write to named file or stdout; lines
1226  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
1227  options, followed by a set of test data, terminated by an empty line. */  options, followed by a set of test data, terminated by an empty line. */
# Line 291  int main(int argc, char **argv) Line 1231  int main(int argc, char **argv)
1231  FILE *infile = stdin;  FILE *infile = stdin;
1232  int options = 0;  int options = 0;
1233  int study_options = 0;  int study_options = 0;
1234    int default_find_match_limit = FALSE;
1235  int op = 1;  int op = 1;
1236  int timeit = 0;  int timeit = 0;
1237    int timeitm = 0;
1238  int showinfo = 0;  int showinfo = 0;
1239  int showstore = 0;  int showstore = 0;
1240    int force_study = -1;
1241    int force_study_options = 0;
1242    int quiet = 0;
1243    int size_offsets = 45;
1244    int size_offsets_max;
1245    int *offsets = NULL;
1246    #if !defined NOPOSIX
1247  int posix = 0;  int posix = 0;
1248    #endif
1249  int debug = 0;  int debug = 0;
1250  int done = 0;  int done = 0;
1251  unsigned char buffer[30000];  int all_use_dfa = 0;
1252  unsigned char dbuffer[1024];  int yield = 0;
1253    int stack_size;
1254    
1255    pcre_jit_stack *jit_stack = NULL;
1256    
1257    
1258    /* These vectors store, end-to-end, a list of captured substring names. Assume
1259    that 1024 is plenty long enough for the few names we'll be testing. */
1260    
1261  /* Static so that new_malloc can use it. */  uschar copynames[1024];
1262    uschar getnames[1024];
1263    
1264    uschar *copynamesptr;
1265    uschar *getnamesptr;
1266    
1267    /* Get buffers from malloc() so that Electric Fence will check their misuse
1268    when I am debugging. They grow automatically when very long lines are read. */
1269    
1270    buffer = (unsigned char *)malloc(buffer_size);
1271    dbuffer = (unsigned char *)malloc(buffer_size);
1272    pbuffer = (unsigned char *)malloc(buffer_size);
1273    
1274    /* The outfile variable is static so that new_malloc can use it. */
1275    
1276  outfile = stdout;  outfile = stdout;
1277    
1278    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1279    library to translate CRLF into a single LF character. At least, that's what
1280    I've been told: never having used Windows I take this all on trust. Originally
1281    it set 0x8000, but then I was advised that _O_BINARY was better. */
1282    
1283    #if defined(_WIN32) || defined(WIN32)
1284    _setmode( _fileno( stdout ), _O_BINARY );
1285    #endif
1286    
1287  /* Scan options */  /* Scan options */
1288    
1289  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1290    {    {
1291    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    unsigned char *endptr;
1292      showstore = 1;  
1293    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    if (strcmp(argv[op], "-m") == 0) showstore = 1;
1294      else if (strcmp(argv[op], "-s") == 0) force_study = 0;
1295      else if (strcmp(argv[op], "-s+") == 0)
1296        {
1297        force_study = 1;
1298        force_study_options = PCRE_STUDY_JIT_COMPILE;
1299        }
1300      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1301      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1302    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1303    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1304      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1305    #if !defined NODFA
1306      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1307    #endif
1308      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1309          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1310            *endptr == 0))
1311        {
1312        op++;
1313        argc--;
1314        }
1315      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1316        {
1317        int both = argv[op][2] == 0;
1318        int temp;
1319        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1320                         *endptr == 0))
1321          {
1322          timeitm = temp;
1323          op++;
1324          argc--;
1325          }
1326        else timeitm = LOOPREPEAT;
1327        if (both) timeit = timeitm;
1328        }
1329      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1330          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1331            *endptr == 0))
1332        {
1333    #if defined(_WIN32) || defined(WIN32) || defined(__minix)
1334        printf("PCRE: -S not supported on this OS\n");
1335        exit(1);
1336    #else
1337        int rc;
1338        struct rlimit rlim;
1339        getrlimit(RLIMIT_STACK, &rlim);
1340        rlim.rlim_cur = stack_size * 1024 * 1024;
1341        rc = setrlimit(RLIMIT_STACK, &rlim);
1342        if (rc != 0)
1343          {
1344        printf("PCRE: setrlimit() failed with error %d\n", rc);
1345        exit(1);
1346          }
1347        op++;
1348        argc--;
1349    #endif
1350        }
1351    #if !defined NOPOSIX
1352    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1353    #endif
1354      else if (strcmp(argv[op], "-C") == 0)
1355        {
1356        int rc;
1357        unsigned long int lrc;
1358        printf("PCRE version %s\n", pcre_version());
1359        printf("Compiled with\n");
1360        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1361        printf("  %sUTF-8 support\n", rc? "" : "No ");
1362        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1363        printf("  %sUnicode properties support\n", rc? "" : "No ");
1364        (void)pcre_config(PCRE_CONFIG_JIT, &rc);
1365        if (rc)
1366          printf("  Just-in-time compiler support\n");
1367        else
1368          printf("  No just-in-time compiler support\n");
1369        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1370        /* Note that these values are always the ASCII values, even
1371        in EBCDIC environments. CR is 13 and NL is 10. */
1372        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1373          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1374          (rc == -2)? "ANYCRLF" :
1375          (rc == -1)? "ANY" : "???");
1376        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1377        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1378                                         "all Unicode newlines");
1379        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1380        printf("  Internal link size = %d\n", rc);
1381        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1382        printf("  POSIX malloc threshold = %d\n", rc);
1383        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1384        printf("  Default match limit = %ld\n", lrc);
1385        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1386        printf("  Default recursion depth limit = %ld\n", lrc);
1387        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1388        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1389        goto EXIT;
1390        }
1391      else if (strcmp(argv[op], "-help") == 0 ||
1392               strcmp(argv[op], "--help") == 0)
1393        {
1394        usage();
1395        goto EXIT;
1396        }
1397    else    else
1398      {      {
1399      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1400      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1401      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1402             "  -i   show information about compiled pattern\n"      goto EXIT;
            "  -p   use POSIX interface\n"  
            "  -s   output store information\n"  
            "  -t   time compilation and execution\n");  
     return 1;  
1403      }      }
1404    op++;    op++;
1405    argc--;    argc--;
1406    }    }
1407    
1408    /* Get the store for the offsets vector, and remember what it was */
1409    
1410    size_offsets_max = size_offsets;
1411    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1412    if (offsets == NULL)
1413      {
1414      printf("** Failed to get %d bytes of memory for offsets vector\n",
1415        (int)(size_offsets_max * sizeof(int)));
1416      yield = 1;
1417      goto EXIT;
1418      }
1419    
1420  /* Sort out the input and output files */  /* Sort out the input and output files */
1421    
1422  if (argc > 1)  if (argc > 1)
1423    {    {
1424    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1425    if (infile == NULL)    if (infile == NULL)
1426      {      {
1427      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1428      return 1;      yield = 1;
1429        goto EXIT;
1430      }      }
1431    }    }
1432    
1433  if (argc > 2)  if (argc > 2)
1434    {    {
1435    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1436    if (outfile == NULL)    if (outfile == NULL)
1437      {      {
1438      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1439      return 1;      yield = 1;
1440        goto EXIT;
1441      }      }
1442    }    }
1443    
1444  /* Set alternative malloc function */  /* Set alternative malloc function */
1445    
1446  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1447    pcre_free = new_free;
1448    pcre_stack_malloc = stack_malloc;
1449    pcre_stack_free = stack_free;
1450    
1451  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1452    
1453  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1454    
1455  /* Main loop */  /* Main loop */
1456    
# Line 366  while (!done) Line 1458  while (!done)
1458    {    {
1459    pcre *re = NULL;    pcre *re = NULL;
1460    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
1461    
1462    #if !defined NOPOSIX  /* There are still compilers that require no indent */
1463    regex_t preg;    regex_t preg;
1464      int do_posix = 0;
1465    #endif
1466    
1467    const char *error;    const char *error;
1468      unsigned char *markptr;
1469    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1470    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1471      const unsigned char *tables = NULL;
1472      unsigned long int true_size, true_study_size = 0;
1473      size_t size, regex_gotten_store;
1474      int do_allcaps = 0;
1475      int do_mark = 0;
1476    int do_study = 0;    int do_study = 0;
1477      int no_force_study = 0;
1478    int do_debug = debug;    int do_debug = debug;
1479      int do_G = 0;
1480      int do_g = 0;
1481    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1482    int do_posix = 0;    int do_showrest = 0;
1483    int erroroffset, len, delimiter;    int do_showcaprest = 0;
1484      int do_flip = 0;
1485      int erroroffset, len, delimiter, poffset;
1486    
1487      use_utf8 = 0;
1488      debug_lengths = 1;
1489    
1490    if (infile == stdin) printf("  re> ");    if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
   if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;  
1491    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1492      fflush(outfile);
1493    
1494    p = buffer;    p = buffer;
1495    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1496    if (*p == 0) continue;    if (*p == 0) continue;
1497    
1498    /* Get the delimiter and seek the end of the pattern; if is isn't    /* See if the pattern is to be loaded pre-compiled from a file. */
1499    complete, read more. */  
1500      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1501        {
1502        unsigned long int magic, get_options;
1503        uschar sbuf[8];
1504        FILE *f;
1505    
1506        p++;
1507        pp = p + (int)strlen((char *)p);
1508        while (isspace(pp[-1])) pp--;
1509        *pp = 0;
1510    
1511        f = fopen((char *)p, "rb");
1512        if (f == NULL)
1513          {
1514          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1515          continue;
1516          }
1517    
1518        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1519    
1520        true_size =
1521          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1522        true_study_size =
1523          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1524    
1525        re = (real_pcre *)new_malloc(true_size);
1526        regex_gotten_store = first_gotten_store;
1527    
1528        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1529    
1530        magic = ((real_pcre *)re)->magic_number;
1531        if (magic != MAGIC_NUMBER)
1532          {
1533          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1534            {
1535            do_flip = 1;
1536            }
1537          else
1538            {
1539            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1540            fclose(f);
1541            continue;
1542            }
1543          }
1544    
1545        fprintf(outfile, "Compiled pattern%s loaded from %s\n",
1546          do_flip? " (byte-inverted)" : "", p);
1547    
1548        /* Need to know if UTF-8 for printing data strings */
1549    
1550        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1551        use_utf8 = (get_options & PCRE_UTF8) != 0;
1552    
1553        /* Now see if there is any following study data. */
1554    
1555        if (true_study_size != 0)
1556          {
1557          pcre_study_data *psd;
1558    
1559          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1560          extra->flags = PCRE_EXTRA_STUDY_DATA;
1561    
1562          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1563          extra->study_data = psd;
1564    
1565          if (fread(psd, 1, true_study_size, f) != true_study_size)
1566            {
1567            FAIL_READ:
1568            fprintf(outfile, "Failed to read data from %s\n", p);
1569            if (extra != NULL) pcre_free_study(extra);
1570            if (re != NULL) new_free(re);
1571            fclose(f);
1572            continue;
1573            }
1574          fprintf(outfile, "Study data loaded from %s\n", p);
1575          do_study = 1;     /* To get the data output if requested */
1576          }
1577        else fprintf(outfile, "No study data\n");
1578    
1579        fclose(f);
1580        goto SHOW_INFO;
1581        }
1582    
1583      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1584      the pattern; if is isn't complete, read more. */
1585    
1586    delimiter = *p++;    delimiter = *p++;
1587    
1588    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1589      {      {
1590      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1591      goto SKIP_DATA;      goto SKIP_DATA;
1592      }      }
1593    
1594    pp = p;    pp = p;
1595      poffset = (int)(p - buffer);
1596    
1597    for(;;)    for(;;)
1598      {      {
# Line 406  while (!done) Line 1603  while (!done)
1603        pp++;        pp++;
1604        }        }
1605      if (*pp != 0) break;      if (*pp != 0) break;
1606        if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
       {  
       fprintf(outfile, "** Expression too long - missing delimiter?\n");  
       goto SKIP_DATA;  
       }  
   
     if (infile == stdin) printf("    > ");  
     if (fgets((char *)pp, len, infile) == NULL)  
1607        {        {
1608        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1609        done = 1;        done = 1;
# Line 424  while (!done) Line 1612  while (!done)
1612      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1613      }      }
1614    
1615      /* The buffer may have moved while being extended; reset the start of data
1616      pointer to the correct relative point in the buffer. */
1617    
1618      p = buffer + poffset;
1619    
1620    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1621    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1622    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1623    
1624    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1625    
1626    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1627      for callouts. */
1628    
1629    *pp++ = 0;    *pp++ = 0;
1630      strcpy((char *)pbuffer, (char *)p);
1631    
1632    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1633    
1634    options = 0;    options = 0;
1635    study_options = 0;    study_options = 0;
1636    log_store = showstore;  /* default from command line */    log_store = showstore;  /* default from command line */
1637    
1638    while (*pp != 0)    while (*pp != 0)
1639      {      {
1640      switch (*pp++)      switch (*pp++)
1641        {        {
1642          case 'f': options |= PCRE_FIRSTLINE; break;
1643          case 'g': do_g = 1; break;
1644        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1645        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1646        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1647        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1648    
1649          case '+':
1650          if (do_showrest) do_showcaprest = 1; else do_showrest = 1;
1651          break;
1652    
1653          case '=': do_allcaps = 1; break;
1654        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1655          case 'B': do_debug = 1; break;
1656          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1657        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1658        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1659          case 'F': do_flip = 1; break;
1660          case 'G': do_G = 1; break;
1661        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1662          case 'J': options |= PCRE_DUPNAMES; break;
1663          case 'K': do_mark = 1; break;
1664        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1665          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1666    
1667    #if !defined NOPOSIX
1668        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1669        case 'S': do_study = 1; break;  #endif
1670    
1671          case 'S':
1672          if (do_study == 0)
1673            {
1674            do_study = 1;
1675            if (*pp == '+')
1676              {
1677              study_options |= PCRE_STUDY_JIT_COMPILE;
1678              pp++;
1679              }
1680            }
1681          else
1682            {
1683            do_study = 0;
1684            no_force_study = 1;
1685            }
1686          break;
1687    
1688        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1689          case 'W': options |= PCRE_UCP; break;
1690        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1691          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1692          case 'Z': debug_lengths = 0; break;
1693          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1694          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1695    
1696          case 'T':
1697          switch (*pp++)
1698            {
1699            case '0': tables = tables0; break;
1700            case '1': tables = tables1; break;
1701    
1702            case '\r':
1703            case '\n':
1704            case ' ':
1705            case 0:
1706            fprintf(outfile, "** Missing table number after /T\n");
1707            goto SKIP_DATA;
1708    
1709            default:
1710            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1711            goto SKIP_DATA;
1712            }
1713          break;
1714    
1715        case 'L':        case 'L':
1716        ppp = pp;        ppp = pp;
1717        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1718          /* The '0' test is just in case this is an unterminated line. */
1719          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1720        *ppp = 0;        *ppp = 0;
1721        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1722          {          {
1723          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1724          goto SKIP_DATA;          goto SKIP_DATA;
1725          }          }
1726          locale_set = 1;
1727        tables = pcre_maketables();        tables = pcre_maketables();
1728        pp = ppp;        pp = ppp;
1729        break;        break;
1730    
1731        case '\n': case ' ': break;        case '>':
1732          to_file = pp;
1733          while (*pp != 0) pp++;
1734          while (isspace(pp[-1])) pp--;
1735          *pp = 0;
1736          break;
1737    
1738          case '<':
1739            {
1740            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1741              {
1742              options |= PCRE_JAVASCRIPT_COMPAT;
1743              pp += 3;
1744              }
1745            else
1746              {
1747              int x = check_newline(pp, outfile);
1748              if (x == 0) goto SKIP_DATA;
1749              options |= x;
1750              while (*pp++ != '>');
1751              }
1752            }
1753          break;
1754    
1755          case '\r':                      /* So that it works in Windows */
1756          case '\n':
1757          case ' ':
1758          break;
1759    
1760        default:        default:
1761        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1762        goto SKIP_DATA;        goto SKIP_DATA;
# Line 483  while (!done) Line 1767  while (!done)
1767    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1768    local character tables. */    local character tables. */
1769    
1770    #if !defined NOPOSIX
1771    if (posix || do_posix)    if (posix || do_posix)
1772      {      {
1773      int rc;      int rc;
1774      int cflags = 0;      int cflags = 0;
1775    
1776      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1777      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1778        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1779        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1780        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1781        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1782        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1783    
1784        first_gotten_store = 0;
1785      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1786    
1787      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 496  while (!done) Line 1789  while (!done)
1789    
1790      if (rc != 0)      if (rc != 0)
1791        {        {
1792        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1793        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1794        goto SKIP_DATA;        goto SKIP_DATA;
1795        }        }
# Line 505  while (!done) Line 1798  while (!done)
1798    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1799    
1800    else    else
1801    #endif  /* !defined NOPOSIX */
1802    
1803      {      {
1804      if (timeit)      unsigned long int get_options;
1805    
1806        if (timeit > 0)
1807        {        {
1808        register int i;        register int i;
1809        clock_t time_taken;        clock_t time_taken;
1810        clock_t start_time = clock();        clock_t start_time = clock();
1811        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1812          {          {
1813          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1814          if (re != NULL) free(re);          if (re != NULL) free(re);
1815          }          }
1816        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1817        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1818          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1819          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1820        }        }
1821    
1822        first_gotten_store = 0;
1823      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1824    
1825      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 535  while (!done) Line 1833  while (!done)
1833          {          {
1834          for (;;)          for (;;)
1835            {            {
1836            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1837              {              {
1838              done = 1;              done = 1;
1839              goto CONTINUE;              goto CONTINUE;
# Line 549  while (!done) Line 1847  while (!done)
1847        goto CONTINUE;        goto CONTINUE;
1848        }        }
1849    
1850      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1851        within the regex; check for this so that we know how to process the data
1852        lines. */
1853    
1854      if (do_showinfo)      new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1855        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1856    
1857        /* Extract the size for possible writing before possibly flipping it,
1858        and remember the store that was got. */
1859    
1860        true_size = ((real_pcre *)re)->size;
1861        regex_gotten_store = first_gotten_store;
1862    
1863        /* Output code size information if requested */
1864    
1865        if (log_store)
1866          fprintf(outfile, "Memory allocation (code space): %d\n",
1867            (int)(first_gotten_store -
1868                  sizeof(real_pcre) -
1869                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1870    
1871        /* If -s or /S was present, study the regex to generate additional info to
1872        help with the matching, unless the pattern has the SS option, which
1873        suppresses the effect of /S (used for a few test patterns where studying is
1874        never sensible). */
1875    
1876        if (do_study || (force_study >= 0 && !no_force_study))
1877          {
1878          if (timeit > 0)
1879            {
1880            register int i;
1881            clock_t time_taken;
1882            clock_t start_time = clock();
1883            for (i = 0; i < timeit; i++)
1884              extra = pcre_study(re, study_options | force_study_options, &error);
1885            time_taken = clock() - start_time;
1886            if (extra != NULL) pcre_free_study(extra);
1887            fprintf(outfile, "  Study time %.4f milliseconds\n",
1888              (((double)time_taken * 1000.0) / (double)timeit) /
1889                (double)CLOCKS_PER_SEC);
1890            }
1891          extra = pcre_study(re, study_options | force_study_options, &error);
1892          if (error != NULL)
1893            fprintf(outfile, "Failed to study: %s\n", error);
1894          else if (extra != NULL)
1895            {
1896            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1897            if (log_store)
1898              {
1899              size_t jitsize;
1900              new_info(re, extra, PCRE_INFO_JITSIZE, &jitsize);
1901              if (jitsize != 0)
1902                fprintf(outfile, "Memory allocation (JIT code): %d\n", jitsize);
1903              }
1904            }
1905          }
1906    
1907        /* If /K was present, we set up for handling MARK data. */
1908    
1909        if (do_mark)
1910          {
1911          if (extra == NULL)
1912            {
1913            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1914            extra->flags = 0;
1915            }
1916          extra->mark = &markptr;
1917          extra->flags |= PCRE_EXTRA_MARK;
1918          }
1919    
1920        /* If the 'F' option was present, we flip the bytes of all the integer
1921        fields in the regex data block and the study block. This is to make it
1922        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1923        compiled on a different architecture. */
1924    
1925        if (do_flip)
1926          {
1927          real_pcre *rre = (real_pcre *)re;
1928          rre->magic_number =
1929            byteflip(rre->magic_number, sizeof(rre->magic_number));
1930          rre->size = byteflip(rre->size, sizeof(rre->size));
1931          rre->options = byteflip(rre->options, sizeof(rre->options));
1932          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1933          rre->top_bracket =
1934            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1935          rre->top_backref =
1936            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1937          rre->first_byte =
1938            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1939          rre->req_byte =
1940            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1941          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1942            sizeof(rre->name_table_offset));
1943          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1944            sizeof(rre->name_entry_size));
1945          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1946            sizeof(rre->name_count));
1947    
1948          if (extra != NULL)
1949            {
1950            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1951            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1952            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1953            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1954            }
1955          }
1956    
1957        /* Extract information from the compiled data if required. There are now
1958        two info-returning functions. The old one has a limited interface and
1959        returns only limited data. Check that it agrees with the newer one. */
1960    
1961        SHOW_INFO:
1962    
1963        if (do_debug)
1964        {        {
1965        int first_char, count;        fprintf(outfile, "------------------------------------------------------------------\n");
1966          pcre_printint(re, outfile, debug_lengths);
1967          }
1968    
1969        if (do_debug) print_internals(re, outfile);      /* We already have the options in get_options (see above) */
1970    
1971        if (do_showinfo)
1972          {
1973          unsigned long int all_options;
1974    #if !defined NOINFOCHECK
1975          int old_first_char, old_options, old_count;
1976    #endif
1977          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1978            hascrorlf;
1979          int nameentrysize, namecount;
1980          const uschar *nametable;
1981    
1982          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1983          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1984          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1985          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1986          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1987          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1988          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1989          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1990          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1991          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1992          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1993    
1994        count = pcre_info(re, &options, &first_char);  #if !defined NOINFOCHECK
1995          old_count = pcre_info(re, &old_options, &old_first_char);
1996        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1997          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
1998        else        else
1999          {          {
2000          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
2001          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
2002            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",              old_count);
2003              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
2004              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
2005              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
2006              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
2007              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
2008              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
2009              ((options & PCRE_EXTRA) != 0)? " extra" : "",            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
2010              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              get_options, old_options);
2011          if (first_char == -1)          }
2012    #endif
2013    
2014          if (size != regex_gotten_store) fprintf(outfile,
2015            "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
2016            (int)size, (int)regex_gotten_store);
2017    
2018          fprintf(outfile, "Capturing subpattern count = %d\n", count);
2019          if (backrefmax > 0)
2020            fprintf(outfile, "Max back reference = %d\n", backrefmax);
2021    
2022          if (namecount > 0)
2023            {
2024            fprintf(outfile, "Named capturing subpatterns:\n");
2025            while (namecount-- > 0)
2026            {            {
2027            fprintf(outfile, "First char at start or follows \\n\n");            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
2028                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
2029                GET2(nametable, 0));
2030              nametable += nameentrysize;
2031            }            }
2032          else if (first_char < 0)          }
2033    
2034          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
2035          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
2036    
2037          all_options = ((real_pcre *)re)->options;
2038          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
2039    
2040          if (get_options == 0) fprintf(outfile, "No options\n");
2041            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
2042              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
2043              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
2044              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
2045              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
2046              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
2047              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
2048              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
2049              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
2050              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
2051              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
2052              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
2053              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
2054              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
2055              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
2056              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
2057              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
2058              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
2059    
2060          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
2061    
2062          switch (get_options & PCRE_NEWLINE_BITS)
2063            {
2064            case PCRE_NEWLINE_CR:
2065            fprintf(outfile, "Forced newline sequence: CR\n");
2066            break;
2067    
2068            case PCRE_NEWLINE_LF:
2069            fprintf(outfile, "Forced newline sequence: LF\n");
2070            break;
2071    
2072            case PCRE_NEWLINE_CRLF:
2073            fprintf(outfile, "Forced newline sequence: CRLF\n");
2074            break;
2075    
2076            case PCRE_NEWLINE_ANYCRLF:
2077            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2078            break;
2079    
2080            case PCRE_NEWLINE_ANY:
2081            fprintf(outfile, "Forced newline sequence: ANY\n");
2082            break;
2083    
2084            default:
2085            break;
2086            }
2087    
2088          if (first_char == -1)
2089            {
2090            fprintf(outfile, "First char at start or follows newline\n");
2091            }
2092          else if (first_char < 0)
2093            {
2094            fprintf(outfile, "No first char\n");
2095            }
2096          else
2097            {
2098            int ch = first_char & 255;
2099            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2100              "" : " (caseless)";
2101            if (PRINTHEX(ch))
2102              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2103            else
2104              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2105            }
2106    
2107          if (need_char < 0)
2108            {
2109            fprintf(outfile, "No need char\n");
2110            }
2111          else
2112            {
2113            int ch = need_char & 255;
2114            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2115              "" : " (caseless)";
2116            if (PRINTHEX(ch))
2117              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2118            else
2119              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2120            }
2121    
2122          /* Don't output study size; at present it is in any case a fixed
2123          value, but it varies, depending on the computer architecture, and
2124          so messes up the test suite. (And with the /F option, it might be
2125          flipped.) If study was forced by an external -s, don't show this
2126          information unless -i or -d was also present. This means that, except
2127          when auto-callouts are involved, the output from runs with and without
2128          -s should be identical. */
2129    
2130          if (do_study || (force_study >= 0 && showinfo && !no_force_study))
2131            {
2132            if (extra == NULL)
2133              fprintf(outfile, "Study returned NULL\n");
2134            else
2135            {            {
2136            fprintf(outfile, "No first char\n");            uschar *start_bits = NULL;
2137              int minlength;
2138    
2139              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2140              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2141    
2142              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2143              if (start_bits == NULL)
2144                fprintf(outfile, "No set of starting bytes\n");
2145              else
2146                {
2147                int i;
2148                int c = 24;
2149                fprintf(outfile, "Starting byte set: ");
2150                for (i = 0; i < 256; i++)
2151                  {
2152                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2153                    {
2154                    if (c > 75)
2155                      {
2156                      fprintf(outfile, "\n  ");
2157                      c = 2;
2158                      }
2159                    if (PRINTHEX(i) && i != ' ')
2160                      {
2161                      fprintf(outfile, "%c ", i);
2162                      c += 2;
2163                      }
2164                    else
2165                      {
2166                      fprintf(outfile, "\\x%02x ", i);
2167                      c += 5;
2168                      }
2169                    }
2170                  }
2171                fprintf(outfile, "\n");
2172                }
2173            }            }
2174          else  
2175            /* Show this only if the JIT was set by /S, not by -s. */
2176    
2177            if ((study_options & PCRE_STUDY_JIT_COMPILE) != 0)
2178            {            {
2179            if (isprint(first_char))            int jit;
2180              fprintf(outfile, "First char = \'%c\'\n", first_char);            new_info(re, extra, PCRE_INFO_JIT, &jit);
2181              if (jit)
2182                fprintf(outfile, "JIT study was successful\n");
2183            else            else
2184              fprintf(outfile, "First char = %d\n", first_char);  #ifdef SUPPORT_JIT
2185                fprintf(outfile, "JIT study was not successful\n");
2186    #else
2187                fprintf(outfile, "JIT support is not available in this version of PCRE\n");
2188    #endif
2189            }            }
2190          }          }
2191        }        }
2192    
2193      /* If /S was present, study the regexp to generate additional info to      /* If the '>' option was present, we write out the regex to a file, and
2194      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2195        the study length, in big-endian order. */
2196    
2197      if (do_study)      if (to_file != NULL)
2198        {        {
2199        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2200          if (f == NULL)
2201          {          {
2202          register int i;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2203          clock_t time_taken;          }
2204          clock_t start_time = clock();        else
         for (i = 0; i < LOOPREPEAT; i++)  
           extra = pcre_study(re, study_options, &error);  
         time_taken = clock() - start_time;  
         if (extra != NULL) free(extra);  
         fprintf(outfile, "  Study time %.3f milliseconds\n",  
           ((double)time_taken * 1000.0)/  
           ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));  
         }  
   
       extra = pcre_study(re, study_options, &error);  
       if (error != NULL)  
         fprintf(outfile, "Failed to study: %s\n", error);  
       else if (extra == NULL)  
         fprintf(outfile, "Study returned NULL\n");  
   
       /* This looks at internal information. A bit kludgy to do it this  
       way, but it is useful for testing. */  
   
       else if (do_showinfo)  
2205          {          {
2206          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
2207          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (uschar)((true_size >> 24) & 255);
2208            fprintf(outfile, "No starting character set\n");          sbuf[1] = (uschar)((true_size >> 16) & 255);
2209            sbuf[2] = (uschar)((true_size >>  8) & 255);
2210            sbuf[3] = (uschar)((true_size) & 255);
2211    
2212            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2213            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2214            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2215            sbuf[7] = (uschar)((true_study_size) & 255);
2216    
2217            if (fwrite(sbuf, 1, 8, f) < 8 ||
2218                fwrite(re, 1, true_size, f) < true_size)
2219              {
2220              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2221              }
2222          else          else
2223            {            {
2224            int i;            fprintf(outfile, "Compiled pattern written to %s\n", to_file);
2225            int c = 24;  
2226            fprintf(outfile, "Starting character set: ");            /* If there is study data, write it. */
2227            for (i = 0; i < 256; i++)  
2228              if (extra != NULL)
2229              {              {
2230              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2231                    true_study_size)
2232                {                {
2233                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2234                  {                  strerror(errno));
                 fprintf(outfile, "\n  ");  
                 c = 2;  
                 }  
               if (isprint(i) && i != ' ')  
                 {  
                 fprintf(outfile, "%c ", i);  
                 c += 2;  
                 }  
               else  
                 {  
                 fprintf(outfile, "\\x%02x ", i);  
                 c += 5;  
                 }  
2235                }                }
2236                else fprintf(outfile, "Study data written to %s\n", to_file);
2237              }              }
           fprintf(outfile, "\n");  
2238            }            }
2239            fclose(f);
2240            }
2241    
2242          new_free(re);
2243          if (extra != NULL) pcre_free_study(extra);
2244          if (locale_set)
2245            {
2246            new_free((void *)tables);
2247            setlocale(LC_CTYPE, "C");
2248            locale_set = 0;
2249          }          }
2250          continue;  /* With next regex */
2251        }        }
2252      }      }        /* End of non-POSIX compile */
2253    
2254    /* Read data lines and test them */    /* Read data lines and test them */
2255    
2256    for (;;)    for (;;)
2257      {      {
2258      unsigned char *q;      uschar *q;
2259        uschar *bptr;
2260        int *use_offsets = offsets;
2261        int use_size_offsets = size_offsets;
2262        int callout_data = 0;
2263        int callout_data_set = 0;
2264      int count, c;      int count, c;
2265      int copystrings = 0;      int copystrings = 0;
2266        int find_match_limit = default_find_match_limit;
2267      int getstrings = 0;      int getstrings = 0;
2268      int getlist = 0;      int getlist = 0;
2269      int offsets[45];      int gmatched = 0;
2270      int size_offsets = sizeof(offsets)/sizeof(int);      int start_offset = 0;
2271        int start_offset_sign = 1;
2272        int g_notempty = 0;
2273        int use_dfa = 0;
2274    
2275      options = 0;      options = 0;
2276    
2277      if (infile == stdin) printf("  data> ");      *copynames = 0;
2278      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2279    
2280        copynamesptr = copynames;
2281        getnamesptr = getnames;
2282    
2283        pcre_callout = callout;
2284        first_callout = 1;
2285        last_callout_mark = NULL;
2286        callout_extra = 0;
2287        callout_count = 0;
2288        callout_fail_count = 999999;
2289        callout_fail_id = -1;
2290        show_malloc = 0;
2291    
2292        if (extra != NULL) extra->flags &=
2293          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2294    
2295        len = 0;
2296        for (;;)
2297        {        {
2298        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2299        goto CONTINUE;          {
2300            if (len > 0)    /* Reached EOF without hitting a newline */
2301              {
2302              fprintf(outfile, "\n");
2303              break;
2304              }
2305            done = 1;
2306            goto CONTINUE;
2307            }
2308          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2309          len = (int)strlen((char *)buffer);
2310          if (buffer[len-1] == '\n') break;
2311        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2312    
     len = (int)strlen((char *)buffer);  
2313      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2314      buffer[len] = 0;      buffer[len] = 0;
2315      if (len == 0) break;      if (len == 0) break;
# Line 686  while (!done) Line 2317  while (!done)
2317      p = buffer;      p = buffer;
2318      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2319    
2320      q = dbuffer;      bptr = q = dbuffer;
2321      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2322        {        {
2323        int i = 0;        int i = 0;
2324        int n = 0;        int n = 0;
2325    
2326        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2327          {          {
2328          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 707  while (!done) Line 2339  while (!done)
2339          c -= '0';          c -= '0';
2340          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2341            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2342    
2343    #if !defined NOUTF8
2344            if (use_utf8 && c > 255)
2345              {
2346              unsigned char buff8[8];
2347              int ii, utn;
2348              utn = ord2utf8(c, buff8);
2349              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2350              c = buff8[ii];   /* Last byte */
2351              }
2352    #endif
2353          break;          break;
2354    
2355          case 'x':          case 'x':
2356    
2357            /* Handle \x{..} specially - new Perl thing for utf8 */
2358    
2359    #if !defined NOUTF8
2360            if (*p == '{')
2361              {
2362              unsigned char *pt = p;
2363              c = 0;
2364    
2365              /* We used to have "while (isxdigit(*(++pt)))" here, but it fails
2366              when isxdigit() is a macro that refers to its argument more than
2367              once. This is banned by the C Standard, but apparently happens in at
2368              least one MacOS environment. */
2369    
2370              for (pt++; isxdigit(*pt); pt++)
2371                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'a' - 10);
2372              if (*pt == '}')
2373                {
2374                unsigned char buff8[8];
2375                int ii, utn;
2376                if (use_utf8)
2377                  {
2378                  utn = ord2utf8(c, buff8);
2379                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2380                  c = buff8[ii];   /* Last byte */
2381                  }
2382                else
2383                 {
2384                 if (c > 255)
2385                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2386                     "UTF-8 mode is not enabled.\n"
2387                     "** Truncation will probably give the wrong result.\n", c);
2388                 }
2389                p = pt + 1;
2390                break;
2391                }
2392              /* Not correct form; fall through */
2393              }
2394    #endif
2395    
2396            /* Ordinary \x */
2397    
2398          c = 0;          c = 0;
2399          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2400            {            {
2401            c = c * 16 + tolower(*p) - ((isdigit(*p))? '0' : 'W');            c = c * 16 + tolower(*p) - ((isdigit(*p))? '0' : 'a' - 10);
2402            p++;            p++;
2403            }            }
2404          break;          break;
2405    
2406          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2407          p--;          p--;
2408          continue;          continue;
2409    
2410            case '>':
2411            if (*p == '-')
2412              {
2413              start_offset_sign = -1;
2414              p++;
2415              }
2416            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2417            start_offset *= start_offset_sign;
2418            continue;
2419    
2420          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2421          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2422          continue;          continue;
# Line 731  while (!done) Line 2426  while (!done)
2426          continue;          continue;
2427    
2428          case 'C':          case 'C':
2429          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
2430          copystrings |= 1 << n;            {
2431              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2432              copystrings |= 1 << n;
2433              }
2434            else if (isalnum(*p))
2435              {
2436              uschar *npp = copynamesptr;
2437              while (isalnum(*p)) *npp++ = *p++;
2438              *npp++ = 0;
2439              *npp = 0;
2440              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2441              if (n < 0)
2442                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2443              copynamesptr = npp;
2444              }
2445            else if (*p == '+')
2446              {
2447              callout_extra = 1;
2448              p++;
2449              }
2450            else if (*p == '-')
2451              {
2452              pcre_callout = NULL;
2453              p++;
2454              }
2455            else if (*p == '!')
2456              {
2457              callout_fail_id = 0;
2458              p++;
2459              while(isdigit(*p))
2460                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2461              callout_fail_count = 0;
2462              if (*p == '!')
2463                {
2464                p++;
2465                while(isdigit(*p))
2466                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2467                }
2468              }
2469            else if (*p == '*')
2470              {
2471              int sign = 1;
2472              callout_data = 0;
2473              if (*(++p) == '-') { sign = -1; p++; }
2474              while(isdigit(*p))
2475                callout_data = callout_data * 10 + *p++ - '0';
2476              callout_data *= sign;
2477              callout_data_set = 1;
2478              }
2479            continue;
2480    
2481    #if !defined NODFA
2482            case 'D':
2483    #if !defined NOPOSIX
2484            if (posix || do_posix)
2485              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2486            else
2487    #endif
2488              use_dfa = 1;
2489            continue;
2490    #endif
2491    
2492    #if !defined NODFA
2493            case 'F':
2494            options |= PCRE_DFA_SHORTEST;
2495          continue;          continue;
2496    #endif
2497    
2498          case 'G':          case 'G':
2499            if (isdigit(*p))
2500              {
2501              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2502              getstrings |= 1 << n;
2503              }
2504            else if (isalnum(*p))
2505              {
2506              uschar *npp = getnamesptr;
2507              while (isalnum(*p)) *npp++ = *p++;
2508              *npp++ = 0;
2509              *npp = 0;
2510              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2511              if (n < 0)
2512                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2513              getnamesptr = npp;
2514              }
2515            continue;
2516    
2517            case 'J':
2518          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2519          getstrings |= 1 << n;          if (extra != NULL
2520                && (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0
2521                && extra->executable_jit != NULL)
2522              {
2523              if (jit_stack != NULL) pcre_jit_stack_free(jit_stack);
2524              jit_stack = pcre_jit_stack_alloc(1, n * 1024);
2525              pcre_assign_jit_stack(extra, jit_callback, jit_stack);
2526              }
2527          continue;          continue;
2528    
2529          case 'L':          case 'L':
2530          getlist = 1;          getlist = 1;
2531          continue;          continue;
2532    
2533            case 'M':
2534            find_match_limit = 1;
2535            continue;
2536    
2537            case 'N':
2538            if ((options & PCRE_NOTEMPTY) != 0)
2539              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2540            else
2541              options |= PCRE_NOTEMPTY;
2542            continue;
2543    
2544          case 'O':          case 'O':
2545          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2546          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2547              {
2548              size_offsets_max = n;
2549              free(offsets);
2550              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2551              if (offsets == NULL)
2552                {
2553                printf("** Failed to get %d bytes of memory for offsets vector\n",
2554                  (int)(size_offsets_max * sizeof(int)));
2555                yield = 1;
2556                goto EXIT;
2557                }
2558              }
2559            use_size_offsets = n;
2560            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2561            continue;
2562    
2563            case 'P':
2564            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2565              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2566            continue;
2567    
2568            case 'Q':
2569            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2570            if (extra == NULL)
2571              {
2572              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2573              extra->flags = 0;
2574              }
2575            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2576            extra->match_limit_recursion = n;
2577            continue;
2578    
2579            case 'q':
2580            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2581            if (extra == NULL)
2582              {
2583              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2584              extra->flags = 0;
2585              }
2586            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2587            extra->match_limit = n;
2588            continue;
2589    
2590    #if !defined NODFA
2591            case 'R':
2592            options |= PCRE_DFA_RESTART;
2593            continue;
2594    #endif
2595    
2596            case 'S':
2597            show_malloc = 1;
2598            continue;
2599    
2600            case 'Y':
2601            options |= PCRE_NO_START_OPTIMIZE;
2602          continue;          continue;
2603    
2604          case 'Z':          case 'Z':
2605          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2606          continue;          continue;
2607    
2608            case '?':
2609            options |= PCRE_NO_UTF8_CHECK;
2610            continue;
2611    
2612            case '<':
2613              {
2614              int x = check_newline(p, outfile);
2615              if (x == 0) goto NEXT_DATA;
2616              options |= x;
2617              while (*p++ != '>');
2618              }
2619            continue;
2620          }          }
2621        *q++ = c;        *q++ = c;
2622        }        }
2623      *q = 0;      *q = 0;
2624      len = q - dbuffer;      len = (int)(q - dbuffer);
2625    
2626        /* Move the data to the end of the buffer so that a read over the end of
2627        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2628        we are using the POSIX interface, we must include the terminating zero. */
2629    
2630    #if !defined NOPOSIX
2631        if (posix || do_posix)
2632          {
2633          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2634          bptr += buffer_size - len - 1;
2635          }
2636        else
2637    #endif
2638          {
2639          memmove(bptr + buffer_size - len, bptr, len);
2640          bptr += buffer_size - len;
2641          }
2642    
2643        if ((all_use_dfa || use_dfa) && find_match_limit)
2644          {
2645          printf("**Match limit not relevant for DFA matching: ignored\n");
2646          find_match_limit = 0;
2647          }
2648    
2649      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2650      support timing. */      support timing or playing with the match limit or callout data. */
2651    
2652    #if !defined NOPOSIX
2653      if (posix || do_posix)      if (posix || do_posix)
2654        {        {
2655        int rc;        int rc;
2656        int eflags = 0;        int eflags = 0;
2657        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2658          if (use_size_offsets > 0)
2659            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2660        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2661        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2662          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2663    
2664        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2665    
2666        if (rc != 0)        if (rc != 0)
2667          {          {
2668          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2669          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2670          }          }
2671          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2672                  != 0)
2673            {
2674            fprintf(outfile, "Matched with REG_NOSUB\n");
2675            }
2676        else        else
2677          {          {
2678          size_t i;          size_t i;
2679          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2680            {            {
2681            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2682              {              {
2683              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2684              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2685                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2686              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2687                if (do_showcaprest || (i == 0 && do_showrest))
2688                  {
2689                  fprintf(outfile, "%2d+ ", (int)i);
2690                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2691                    outfile);
2692                  fprintf(outfile, "\n");
2693                  }
2694              }              }
2695            }            }
2696          }          }
2697          free(pmatch);
2698        }        }
2699    
2700      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2701    
2702      else      else
2703    #endif  /* !defined NOPOSIX */
2704    
2705        for (;; gmatched++)    /* Loop for /g or /G */
2706        {        {
2707        if (timeit)        markptr = NULL;
2708    
2709          if (timeitm > 0)
2710          {          {
2711          register int i;          register int i;
2712          clock_t time_taken;          clock_t time_taken;
2713          clock_t start_time = clock();          clock_t start_time = clock();
2714          for (i = 0; i < LOOPREPEAT; i++)  
2715            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2716              size_offsets);          if (all_use_dfa || use_dfa)
2717              {
2718              int workspace[1000];
2719              for (i = 0; i < timeitm; i++)
2720                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2721                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2722                  sizeof(workspace)/sizeof(int));
2723              }
2724            else
2725    #endif
2726    
2727            for (i = 0; i < timeitm; i++)
2728              count = pcre_exec(re, extra, (char *)bptr, len,
2729                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2730    
2731          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2732          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2733            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2734            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2735            }
2736    
2737          /* If find_match_limit is set, we want to do repeated matches with
2738          varying limits in order to find the minimum value for the match limit and
2739          for the recursion limit. The match limits are relevant only to the normal
2740          running of pcre_exec(), so disable the JIT optimization. This makes it
2741          possible to run the same set of tests with and without JIT externally
2742          requested. */
2743    
2744          if (find_match_limit)
2745            {
2746            if (extra == NULL)
2747              {
2748              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2749              extra->flags = 0;
2750              }
2751            else extra->flags &= ~PCRE_EXTRA_EXECUTABLE_JIT;
2752    
2753            (void)check_match_limit(re, extra, bptr, len, start_offset,
2754              options|g_notempty, use_offsets, use_size_offsets,
2755              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2756              PCRE_ERROR_MATCHLIMIT, "match()");
2757    
2758            count = check_match_limit(re, extra, bptr, len, start_offset,
2759              options|g_notempty, use_offsets, use_size_offsets,
2760              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2761              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2762          }          }
2763    
2764        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* If callout_data is set, use the interface with additional data */
2765          size_offsets);  
2766          else if (callout_data_set)
2767            {
2768            if (extra == NULL)
2769              {
2770              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2771              extra->flags = 0;
2772              }
2773            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2774            extra->callout_data = &callout_data;
2775            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2776              options | g_notempty, use_offsets, use_size_offsets);
2777            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2778            }
2779    
2780          /* The normal case is just to do the match once, with the default
2781          value of match_limit. */
2782    
2783    #if !defined NODFA
2784          else if (all_use_dfa || use_dfa)
2785            {
2786            int workspace[1000];
2787            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2788              options | g_notempty, use_offsets, use_size_offsets, workspace,
2789              sizeof(workspace)/sizeof(int));
2790            if (count == 0)
2791              {
2792              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2793              count = use_size_offsets/2;
2794              }
2795            }
2796    #endif
2797    
2798        if (count == 0)        else
2799          {          {
2800          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2801          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2802            if (count == 0)
2803              {
2804              fprintf(outfile, "Matched, but too many substrings\n");
2805              count = use_size_offsets/3;
2806              }
2807          }          }
2808    
2809          /* Matched */
2810    
2811        if (count >= 0)        if (count >= 0)
2812          {          {
2813          int i;          int i, maxcount;
2814    
2815    #if !defined NODFA
2816            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2817    #endif
2818              maxcount = use_size_offsets/3;
2819    
2820            /* This is a check against a lunatic return value. */
2821    
2822            if (count > maxcount)
2823              {
2824              fprintf(outfile,
2825                "** PCRE error: returned count %d is too big for offset size %d\n",
2826                count, use_size_offsets);
2827              count = use_size_offsets/3;
2828              if (do_g || do_G)
2829                {
2830                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2831                do_g = do_G = FALSE;        /* Break g/G loop */
2832                }
2833              }
2834    
2835            /* do_allcaps requests showing of all captures in the pattern, to check
2836            unset ones at the end. */
2837    
2838            if (do_allcaps)
2839              {
2840              new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
2841              count++;   /* Allow for full match */
2842              if (count * 2 > use_size_offsets) count = use_size_offsets/2;
2843              }
2844    
2845            /* Output the captured substrings */
2846    
2847          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2848            {            {
2849            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2850                {
2851                if (use_offsets[i] != -1)
2852                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2853                    use_offsets[i], i);
2854                if (use_offsets[i+1] != -1)
2855                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2856                    use_offsets[i+1], i+1);
2857              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2858                }
2859            else            else
2860              {              {
2861              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2862              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2863                  use_offsets[i+1] - use_offsets[i], outfile);
2864              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2865                if (do_showcaprest || (i == 0 && do_showrest))
2866                  {
2867                  fprintf(outfile, "%2d+ ", i/2);
2868                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2869                    outfile);
2870                  fprintf(outfile, "\n");
2871                  }
2872              }              }
2873            }            }
2874    
2875            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2876    
2877          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2878            {            {
2879            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2880              {              {
2881              char buffer[16];              char copybuffer[256];
2882              int rc = pcre_copy_substring((char *)dbuffer, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2883                i, buffer, sizeof(buffer));                i, copybuffer, sizeof(copybuffer));
2884              if (rc < 0)              if (rc < 0)
2885                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2886              else              else
2887                fprintf(outfile, "%2dC %s (%d)\n", i, buffer, rc);                fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2888              }              }
2889            }            }
2890    
2891            for (copynamesptr = copynames;
2892                 *copynamesptr != 0;
2893                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2894              {
2895              char copybuffer[256];
2896              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2897                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2898              if (rc < 0)
2899                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2900              else
2901                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2902              }
2903    
2904          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2905            {            {
2906            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2907              {              {
2908              const char *substring;              const char *substring;
2909              int rc = pcre_get_substring((char *)dbuffer, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2910                i, &substring);                i, &substring);
2911              if (rc < 0)              if (rc < 0)
2912                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2913              else              else
2914                {                {
2915                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2916                free((void *)substring);                pcre_free_substring(substring);
2917                }                }
2918              }              }
2919            }            }
2920    
2921            for (getnamesptr = getnames;
2922                 *getnamesptr != 0;
2923                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2924              {
2925              const char *substring;
2926              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2927                count, (char *)getnamesptr, &substring);
2928              if (rc < 0)
2929                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2930              else
2931                {
2932                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2933                pcre_free_substring(substring);
2934                }
2935              }
2936    
2937          if (getlist)          if (getlist)
2938            {            {
2939            const char **stringlist;            const char **stringlist;
2940            int rc = pcre_get_substring_list((char *)dbuffer, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2941              &stringlist);              &stringlist);
2942            if (rc < 0)            if (rc < 0)
2943              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 879  while (!done) Line 2947  while (!done)
2947                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2948              if (stringlist[i] != NULL)              if (stringlist[i] != NULL)
2949                fprintf(outfile, "string list not terminated by NULL\n");                fprintf(outfile, "string list not terminated by NULL\n");
2950              free((void *)stringlist);              pcre_free_substring_list(stringlist);
2951                }
2952              }
2953            }
2954    
2955          /* There was a partial match */
2956    
2957          else if (count == PCRE_ERROR_PARTIAL)
2958            {
2959            if (markptr == NULL) fprintf(outfile, "Partial match");
2960              else fprintf(outfile, "Partial match, mark=%s", markptr);
2961            if (use_size_offsets > 1)
2962              {
2963              fprintf(outfile, ": ");
2964              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2965                outfile);
2966              }
2967            fprintf(outfile, "\n");
2968            break;  /* Out of the /g loop */
2969            }
2970    
2971          /* Failed to match. If this is a /g or /G loop and we previously set
2972          g_notempty after a null match, this is not necessarily the end. We want
2973          to advance the start offset, and continue. We won't be at the end of the
2974          string - that was checked before setting g_notempty.
2975    
2976          Complication arises in the case when the newline convention is "any",
2977          "crlf", or "anycrlf". If the previous match was at the end of a line
2978          terminated by CRLF, an advance of one character just passes the \r,
2979          whereas we should prefer the longer newline sequence, as does the code in
2980          pcre_exec(). Fudge the offset value to achieve this. We check for a
2981          newline setting in the pattern; if none was set, use pcre_config() to
2982          find the default.
2983    
2984          Otherwise, in the case of UTF-8 matching, the advance must be one
2985          character, not one byte. */
2986    
2987          else
2988            {
2989            if (g_notempty != 0)
2990              {
2991              int onechar = 1;
2992              unsigned int obits = ((real_pcre *)re)->options;
2993              use_offsets[0] = start_offset;
2994              if ((obits & PCRE_NEWLINE_BITS) == 0)
2995                {
2996                int d;
2997                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2998                /* Note that these values are always the ASCII ones, even in
2999                EBCDIC environments. CR = 13, NL = 10. */
3000                obits = (d == 13)? PCRE_NEWLINE_CR :
3001                        (d == 10)? PCRE_NEWLINE_LF :
3002                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
3003                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
3004                        (d == -1)? PCRE_NEWLINE_ANY : 0;
3005                }
3006              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
3007                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
3008                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
3009                  &&
3010                  start_offset < len - 1 &&
3011                  bptr[start_offset] == '\r' &&
3012                  bptr[start_offset+1] == '\n')
3013                onechar++;
3014              else if (use_utf8)
3015                {
3016                while (start_offset + onechar < len)
3017                  {
3018                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
3019                  onechar++;
3020                  }
3021                }
3022              use_offsets[1] = start_offset + onechar;
3023              }
3024            else
3025              {
3026              switch(count)
3027                {
3028                case PCRE_ERROR_NOMATCH:
3029                if (gmatched == 0)
3030                  {
3031                  if (markptr == NULL) fprintf(outfile, "No match\n");
3032                    else fprintf(outfile, "No match, mark = %s\n", markptr);
3033                  }
3034                break;
3035    
3036                case PCRE_ERROR_BADUTF8:
3037                case PCRE_ERROR_SHORTUTF8:
3038                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
3039                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
3040                if (use_size_offsets >= 2)
3041                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
3042                    use_offsets[1]);
3043                fprintf(outfile, "\n");
3044                break;
3045    
3046                default:
3047                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
3048                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
3049                else
3050                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
3051                break;
3052              }              }
3053    
3054              break;  /* Out of the /g loop */
3055            }            }
3056            }
3057    
3058          /* If not /g or /G we are done */
3059    
3060          if (!do_g && !do_G) break;
3061    
3062          /* If we have matched an empty string, first check to see if we are at
3063          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
3064          Perl's /g options does. This turns out to be rather cunning. First we set
3065          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
3066          same point. If this fails (picked up above) we advance to the next
3067          character. */
3068    
3069          g_notempty = 0;
3070    
3071          if (use_offsets[0] == use_offsets[1])
3072            {
3073            if (use_offsets[0] == len) break;
3074            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
3075          }          }
3076    
3077          /* For /g, update the start offset, leaving the rest alone */
3078    
3079          if (do_g) start_offset = use_offsets[1];
3080    
3081          /* For /G, update the pointer and length */
3082    
3083        else        else
3084          {          {
3085          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
3086            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
3087          }          }
3088        }        }  /* End of loop for /g and /G */
3089      }  
3090        NEXT_DATA: continue;
3091        }    /* End of loop for data lines */
3092    
3093    CONTINUE:    CONTINUE:
3094    
3095    #if !defined NOPOSIX
3096    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
3097    if (re != NULL) free(re);  #endif
3098    if (extra != NULL) free(extra);  
3099    if (tables != NULL)    if (re != NULL) new_free(re);
3100      if (extra != NULL) pcre_free_study(extra);
3101      if (locale_set)
3102      {      {
3103      free((void *)tables);      new_free((void *)tables);
3104      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
3105        locale_set = 0;
3106        }
3107      if (jit_stack != NULL)
3108        {
3109        pcre_jit_stack_free(jit_stack);
3110        jit_stack = NULL;
3111      }      }
3112    }    }
3113    
3114  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
3115  return 0;  
3116    EXIT:
3117    
3118    if (infile != NULL && infile != stdin) fclose(infile);
3119    if (outfile != NULL && outfile != stdout) fclose(outfile);
3120    
3121    free(buffer);
3122    free(dbuffer);
3123    free(pbuffer);
3124    free(offsets);
3125    
3126    return yield;
3127  }  }
3128    
3129  /* End */  /* End of pcretest.c */

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