/[pcre]/code/trunk/pcretest.c
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revision 27 by nigel, Sat Feb 24 21:38:49 2007 UTC revision 667 by ph10, Mon Aug 22 14:57:32 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 const unsigned char *last_callout_mark = NULL;
195    
196    /* The buffers grow automatically if very long input lines are encountered. */
197    
198    static int buffer_size = 50000;
199    static uschar *buffer = NULL;
200    static uschar *dbuffer = NULL;
201    static uschar *pbuffer = NULL;
202    
203    /* Textual explanations for runtime error codes */
204    
205    static const char *errtexts[] = {
206      NULL,  /* 0 is no error */
207      NULL,  /* NOMATCH is handled specially */
208      "NULL argument passed",
209      "bad option value",
210      "magic number missing",
211      "unknown opcode - pattern overwritten?",
212      "no more memory",
213      NULL,  /* never returned by pcre_exec() or pcre_dfa_exec() */
214      "match limit exceeded",
215      "callout error code",
216      NULL,  /* BADUTF8 is handled specially */
217      "bad UTF-8 offset",
218      NULL,  /* PARTIAL is handled specially */
219      "not used - internal error",
220      "internal error - pattern overwritten?",
221      "bad count value",
222      "item unsupported for DFA matching",
223      "backreference condition or recursion test not supported for DFA matching",
224      "match limit not supported for DFA matching",
225      "workspace size exceeded in DFA matching",
226      "too much recursion for DFA matching",
227      "recursion limit exceeded",
228      "not used - internal error",
229      "invalid combination of newline options",
230      "bad offset value",
231      NULL,  /* SHORTUTF8 is handled specially */
232      "nested recursion at the same subject position"
233    };
234    
235    
236    /*************************************************
237    *         Alternate character tables             *
238    *************************************************/
239    
240  /* 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
241  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
242    select alternate sets of tables, for different kinds of testing. Note also that
243  static const char *OP_names[] = {  the L (locale) option also adjusts the tables. */
244    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
245    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  /* This is the set of tables distributed as default with PCRE. It recognizes
246    "Opt", "^", "$", "Any", "chars", "not",  only ASCII characters. */
247    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
248    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  static const unsigned char tables0[] = {
249    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
250    "*", "*?", "+", "+?", "?", "??", "{", "{",  /* This table is a lower casing table. */
251    "class", "Ref",  
252    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",      0,  1,  2,  3,  4,  5,  6,  7,
253    "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",      8,  9, 10, 11, 12, 13, 14, 15,
254    "Brazero", "Braminzero", "Bra"     16, 17, 18, 19, 20, 21, 22, 23,
255       24, 25, 26, 27, 28, 29, 30, 31,
256       32, 33, 34, 35, 36, 37, 38, 39,
257       40, 41, 42, 43, 44, 45, 46, 47,
258       48, 49, 50, 51, 52, 53, 54, 55,
259       56, 57, 58, 59, 60, 61, 62, 63,
260       64, 97, 98, 99,100,101,102,103,
261      104,105,106,107,108,109,110,111,
262      112,113,114,115,116,117,118,119,
263      120,121,122, 91, 92, 93, 94, 95,
264       96, 97, 98, 99,100,101,102,103,
265      104,105,106,107,108,109,110,111,
266      112,113,114,115,116,117,118,119,
267      120,121,122,123,124,125,126,127,
268      128,129,130,131,132,133,134,135,
269      136,137,138,139,140,141,142,143,
270      144,145,146,147,148,149,150,151,
271      152,153,154,155,156,157,158,159,
272      160,161,162,163,164,165,166,167,
273      168,169,170,171,172,173,174,175,
274      176,177,178,179,180,181,182,183,
275      184,185,186,187,188,189,190,191,
276      192,193,194,195,196,197,198,199,
277      200,201,202,203,204,205,206,207,
278      208,209,210,211,212,213,214,215,
279      216,217,218,219,220,221,222,223,
280      224,225,226,227,228,229,230,231,
281      232,233,234,235,236,237,238,239,
282      240,241,242,243,244,245,246,247,
283      248,249,250,251,252,253,254,255,
284    
285    /* This table is a case flipping table. */
286    
287        0,  1,  2,  3,  4,  5,  6,  7,
288        8,  9, 10, 11, 12, 13, 14, 15,
289       16, 17, 18, 19, 20, 21, 22, 23,
290       24, 25, 26, 27, 28, 29, 30, 31,
291       32, 33, 34, 35, 36, 37, 38, 39,
292       40, 41, 42, 43, 44, 45, 46, 47,
293       48, 49, 50, 51, 52, 53, 54, 55,
294       56, 57, 58, 59, 60, 61, 62, 63,
295       64, 97, 98, 99,100,101,102,103,
296      104,105,106,107,108,109,110,111,
297      112,113,114,115,116,117,118,119,
298      120,121,122, 91, 92, 93, 94, 95,
299       96, 65, 66, 67, 68, 69, 70, 71,
300       72, 73, 74, 75, 76, 77, 78, 79,
301       80, 81, 82, 83, 84, 85, 86, 87,
302       88, 89, 90,123,124,125,126,127,
303      128,129,130,131,132,133,134,135,
304      136,137,138,139,140,141,142,143,
305      144,145,146,147,148,149,150,151,
306      152,153,154,155,156,157,158,159,
307      160,161,162,163,164,165,166,167,
308      168,169,170,171,172,173,174,175,
309      176,177,178,179,180,181,182,183,
310      184,185,186,187,188,189,190,191,
311      192,193,194,195,196,197,198,199,
312      200,201,202,203,204,205,206,207,
313      208,209,210,211,212,213,214,215,
314      216,217,218,219,220,221,222,223,
315      224,225,226,227,228,229,230,231,
316      232,233,234,235,236,237,238,239,
317      240,241,242,243,244,245,246,247,
318      248,249,250,251,252,253,254,255,
319    
320    /* This table contains bit maps for various character classes. Each map is 32
321    bytes long and the bits run from the least significant end of each byte. The
322    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
323    graph, print, punct, and cntrl. Other classes are built from combinations. */
324    
325      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
326      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
327      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
329    
330      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
331      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
332      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
333      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
334    
335      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
336      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
337      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
338      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
339    
340      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
341      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
342      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
344    
345      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
346      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
347      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
348      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
349    
350      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
351      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
352      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
353      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
354    
355      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
356      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
357      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
358      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
359    
360      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
361      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
362      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
364    
365      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
366      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
367      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
369    
370      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
371      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
372      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
373      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
374    
375    /* This table identifies various classes of character by individual bits:
376      0x01   white space character
377      0x02   letter
378      0x04   decimal digit
379      0x08   hexadecimal digit
380      0x10   alphanumeric or '_'
381      0x80   regular expression metacharacter or binary zero
382    */
383    
384      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
385      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
386      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
387      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
388      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
389      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
390      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
391      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
392      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
393      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
394      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
395      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
396      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
397      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
398      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
399      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
400      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
401      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
412      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
413      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
414      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
415      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
416    
417    /* This is a set of tables that came orginally from a Windows user. It seems to
418    be at least an approximation of ISO 8859. In particular, there are characters
419    greater than 128 that are marked as spaces, letters, etc. */
420    
421    static const unsigned char tables1[] = {
422    0,1,2,3,4,5,6,7,
423    8,9,10,11,12,13,14,15,
424    16,17,18,19,20,21,22,23,
425    24,25,26,27,28,29,30,31,
426    32,33,34,35,36,37,38,39,
427    40,41,42,43,44,45,46,47,
428    48,49,50,51,52,53,54,55,
429    56,57,58,59,60,61,62,63,
430    64,97,98,99,100,101,102,103,
431    104,105,106,107,108,109,110,111,
432    112,113,114,115,116,117,118,119,
433    120,121,122,91,92,93,94,95,
434    96,97,98,99,100,101,102,103,
435    104,105,106,107,108,109,110,111,
436    112,113,114,115,116,117,118,119,
437    120,121,122,123,124,125,126,127,
438    128,129,130,131,132,133,134,135,
439    136,137,138,139,140,141,142,143,
440    144,145,146,147,148,149,150,151,
441    152,153,154,155,156,157,158,159,
442    160,161,162,163,164,165,166,167,
443    168,169,170,171,172,173,174,175,
444    176,177,178,179,180,181,182,183,
445    184,185,186,187,188,189,190,191,
446    224,225,226,227,228,229,230,231,
447    232,233,234,235,236,237,238,239,
448    240,241,242,243,244,245,246,215,
449    248,249,250,251,252,253,254,223,
450    224,225,226,227,228,229,230,231,
451    232,233,234,235,236,237,238,239,
452    240,241,242,243,244,245,246,247,
453    248,249,250,251,252,253,254,255,
454    0,1,2,3,4,5,6,7,
455    8,9,10,11,12,13,14,15,
456    16,17,18,19,20,21,22,23,
457    24,25,26,27,28,29,30,31,
458    32,33,34,35,36,37,38,39,
459    40,41,42,43,44,45,46,47,
460    48,49,50,51,52,53,54,55,
461    56,57,58,59,60,61,62,63,
462    64,97,98,99,100,101,102,103,
463    104,105,106,107,108,109,110,111,
464    112,113,114,115,116,117,118,119,
465    120,121,122,91,92,93,94,95,
466    96,65,66,67,68,69,70,71,
467    72,73,74,75,76,77,78,79,
468    80,81,82,83,84,85,86,87,
469    88,89,90,123,124,125,126,127,
470    128,129,130,131,132,133,134,135,
471    136,137,138,139,140,141,142,143,
472    144,145,146,147,148,149,150,151,
473    152,153,154,155,156,157,158,159,
474    160,161,162,163,164,165,166,167,
475    168,169,170,171,172,173,174,175,
476    176,177,178,179,180,181,182,183,
477    184,185,186,187,188,189,190,191,
478    224,225,226,227,228,229,230,231,
479    232,233,234,235,236,237,238,239,
480    240,241,242,243,244,245,246,215,
481    248,249,250,251,252,253,254,223,
482    192,193,194,195,196,197,198,199,
483    200,201,202,203,204,205,206,207,
484    208,209,210,211,212,213,214,247,
485    216,217,218,219,220,221,222,255,
486    0,62,0,0,1,0,0,0,
487    0,0,0,0,0,0,0,0,
488    32,0,0,0,1,0,0,0,
489    0,0,0,0,0,0,0,0,
490    0,0,0,0,0,0,255,3,
491    126,0,0,0,126,0,0,0,
492    0,0,0,0,0,0,0,0,
493    0,0,0,0,0,0,0,0,
494    0,0,0,0,0,0,255,3,
495    0,0,0,0,0,0,0,0,
496    0,0,0,0,0,0,12,2,
497    0,0,0,0,0,0,0,0,
498    0,0,0,0,0,0,0,0,
499    254,255,255,7,0,0,0,0,
500    0,0,0,0,0,0,0,0,
501    255,255,127,127,0,0,0,0,
502    0,0,0,0,0,0,0,0,
503    0,0,0,0,254,255,255,7,
504    0,0,0,0,0,4,32,4,
505    0,0,0,128,255,255,127,255,
506    0,0,0,0,0,0,255,3,
507    254,255,255,135,254,255,255,7,
508    0,0,0,0,0,4,44,6,
509    255,255,127,255,255,255,127,255,
510    0,0,0,0,254,255,255,255,
511    255,255,255,255,255,255,255,127,
512    0,0,0,0,254,255,255,255,
513    255,255,255,255,255,255,255,255,
514    0,2,0,0,255,255,255,255,
515    255,255,255,255,255,255,255,127,
516    0,0,0,0,255,255,255,255,
517    255,255,255,255,255,255,255,255,
518    0,0,0,0,254,255,0,252,
519    1,0,0,248,1,0,0,120,
520    0,0,0,0,254,255,255,255,
521    0,0,128,0,0,0,128,0,
522    255,255,255,255,0,0,0,0,
523    0,0,0,0,0,0,0,128,
524    255,255,255,255,0,0,0,0,
525    0,0,0,0,0,0,0,0,
526    128,0,0,0,0,0,0,0,
527    0,1,1,0,1,1,0,0,
528    0,0,0,0,0,0,0,0,
529    0,0,0,0,0,0,0,0,
530    1,0,0,0,128,0,0,0,
531    128,128,128,128,0,0,128,0,
532    28,28,28,28,28,28,28,28,
533    28,28,0,0,0,0,0,128,
534    0,26,26,26,26,26,26,18,
535    18,18,18,18,18,18,18,18,
536    18,18,18,18,18,18,18,18,
537    18,18,18,128,128,0,128,16,
538    0,26,26,26,26,26,26,18,
539    18,18,18,18,18,18,18,18,
540    18,18,18,18,18,18,18,18,
541    18,18,18,128,128,0,0,0,
542    0,0,0,0,0,1,0,0,
543    0,0,0,0,0,0,0,0,
544    0,0,0,0,0,0,0,0,
545    0,0,0,0,0,0,0,0,
546    1,0,0,0,0,0,0,0,
547    0,0,18,0,0,0,0,0,
548    0,0,20,20,0,18,0,0,
549    0,20,18,0,0,0,0,0,
550    18,18,18,18,18,18,18,18,
551    18,18,18,18,18,18,18,18,
552    18,18,18,18,18,18,18,0,
553    18,18,18,18,18,18,18,18,
554    18,18,18,18,18,18,18,18,
555    18,18,18,18,18,18,18,18,
556    18,18,18,18,18,18,18,0,
557    18,18,18,18,18,18,18,18
558  };  };
559    
560    
561  static void print_internals(pcre *re, FILE *outfile)  
562    
563    #ifndef HAVE_STRERROR
564    /*************************************************
565    *     Provide strerror() for non-ANSI libraries  *
566    *************************************************/
567    
568    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
569    in their libraries, but can provide the same facility by this simple
570    alternative function. */
571    
572    extern int   sys_nerr;
573    extern char *sys_errlist[];
574    
575    char *
576    strerror(int n)
577  {  {
578  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
579    return sys_errlist[n];
580    }
581    #endif /* HAVE_STRERROR */
582    
 fprintf(outfile, "------------------------------------------------------------------\n");  
583    
584  for(;;)  /*************************************************
585    *         JIT memory callback                    *
586    *************************************************/
587    
588    static pcre_jit_stack* jit_callback(void *arg)
589    {
590    return (pcre_jit_stack *)arg;
591    }
592    
593    
594    /*************************************************
595    *        Read or extend an input line            *
596    *************************************************/
597    
598    /* Input lines are read into buffer, but both patterns and data lines can be
599    continued over multiple input lines. In addition, if the buffer fills up, we
600    want to automatically expand it so as to be able to handle extremely large
601    lines that are needed for certain stress tests. When the input buffer is
602    expanded, the other two buffers must also be expanded likewise, and the
603    contents of pbuffer, which are a copy of the input for callouts, must be
604    preserved (for when expansion happens for a data line). This is not the most
605    optimal way of handling this, but hey, this is just a test program!
606    
607    Arguments:
608      f            the file to read
609      start        where in buffer to start (this *must* be within buffer)
610      prompt       for stdin or readline()
611    
612    Returns:       pointer to the start of new data
613                   could be a copy of start, or could be moved
614                   NULL if no data read and EOF reached
615    */
616    
617    static uschar *
618    extend_inputline(FILE *f, uschar *start, const char *prompt)
619    {
620    uschar *here = start;
621    
622    for (;;)
623    {    {
624    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;  
625    
626          case OP_CRRANGE:    if (rlen > 1000)
627          case OP_CRMINRANGE:      {
628          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;  
629    
630          default:      /* If libreadline support is required, use readline() to read a line if the
631          code--;      input is a terminal. Note that readline() removes the trailing newline, so
632        we must put it back again, to be compatible with fgets(). */
633    
634    #ifdef SUPPORT_LIBREADLINE
635        if (isatty(fileno(f)))
636          {
637          size_t len;
638          char *s = readline(prompt);
639          if (s == NULL) return (here == start)? NULL : start;
640          len = strlen(s);
641          if (len > 0) add_history(s);
642          if (len > rlen - 1) len = rlen - 1;
643          memcpy(here, s, len);
644          here[len] = '\n';
645          here[len+1] = 0;
646          free(s);
647          }
648        else
649    #endif
650    
651        /* Read the next line by normal means, prompting if the file is stdin. */
652    
653          {
654          if (f == stdin) printf("%s", prompt);
655          if (fgets((char *)here, rlen,  f) == NULL)
656            return (here == start)? NULL : start;
657          }
658    
659        dlen = (int)strlen((char *)here);
660        if (dlen > 0 && here[dlen - 1] == '\n') return start;
661        here += dlen;
662        }
663    
664      else
665        {
666        int new_buffer_size = 2*buffer_size;
667        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
668        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
669        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
670    
671        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
672          {
673          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
674          exit(1);
675          }
676    
677        memcpy(new_buffer, buffer, buffer_size);
678        memcpy(new_pbuffer, pbuffer, buffer_size);
679    
680        buffer_size = new_buffer_size;
681    
682        start = new_buffer + (start - buffer);
683        here = new_buffer + (here - buffer);
684    
685        free(buffer);
686        free(dbuffer);
687        free(pbuffer);
688    
689        buffer = new_buffer;
690        dbuffer = new_dbuffer;
691        pbuffer = new_pbuffer;
692        }
693      }
694    
695    return NULL;  /* Control never gets here */
696    }
697    
698    
699    
700    
701    
702    
703    
704    /*************************************************
705    *          Read number from string               *
706    *************************************************/
707    
708    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
709    around with conditional compilation, just do the job by hand. It is only used
710    for unpicking arguments, so just keep it simple.
711    
712    Arguments:
713      str           string to be converted
714      endptr        where to put the end pointer
715    
716    Returns:        the unsigned long
717    */
718    
719    static int
720    get_value(unsigned char *str, unsigned char **endptr)
721    {
722    int result = 0;
723    while(*str != 0 && isspace(*str)) str++;
724    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
725    *endptr = str;
726    return(result);
727    }
728    
729    
730    
731    
732    /*************************************************
733    *            Convert UTF-8 string to value       *
734    *************************************************/
735    
736    /* This function takes one or more bytes that represents a UTF-8 character,
737    and returns the value of the character.
738    
739    Argument:
740      utf8bytes   a pointer to the byte vector
741      vptr        a pointer to an int to receive the value
742    
743    Returns:      >  0 => the number of bytes consumed
744                  -6 to 0 => malformed UTF-8 character at offset = (-return)
745    */
746    
747    #if !defined NOUTF8
748    
749    static int
750    utf82ord(unsigned char *utf8bytes, int *vptr)
751    {
752    int c = *utf8bytes++;
753    int d = c;
754    int i, j, s;
755    
756    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
757      {
758      if ((d & 0x80) == 0) break;
759      d <<= 1;
760      }
761    
762    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
763    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
764    
765    /* i now has a value in the range 1-5 */
766    
767    s = 6*i;
768    d = (c & utf8_table3[i]) << s;
769    
770    for (j = 0; j < i; j++)
771      {
772      c = *utf8bytes++;
773      if ((c & 0xc0) != 0x80) return -(j+1);
774      s -= 6;
775      d |= (c & 0x3f) << s;
776      }
777    
778    /* Check that encoding was the correct unique one */
779    
780    for (j = 0; j < utf8_table1_size; j++)
781      if (d <= utf8_table1[j]) break;
782    if (j != i) return -(i+1);
783    
784    /* Valid value */
785    
786    *vptr = d;
787    return i+1;
788    }
789    
790    #endif
791    
792    
793    
794    /*************************************************
795    *       Convert character value to UTF-8         *
796    *************************************************/
797    
798    /* This function takes an integer value in the range 0 - 0x7fffffff
799    and encodes it as a UTF-8 character in 0 to 6 bytes.
800    
801    Arguments:
802      cvalue     the character value
803      utf8bytes  pointer to buffer for result - at least 6 bytes long
804    
805    Returns:     number of characters placed in the buffer
806    */
807    
808    #if !defined NOUTF8
809    
810    static int
811    ord2utf8(int cvalue, uschar *utf8bytes)
812    {
813    register int i, j;
814    for (i = 0; i < utf8_table1_size; i++)
815      if (cvalue <= utf8_table1[i]) break;
816    utf8bytes += i;
817    for (j = i; j > 0; j--)
818     {
819     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
820     cvalue >>= 6;
821     }
822    *utf8bytes = utf8_table2[i] | cvalue;
823    return i + 1;
824    }
825    
826    #endif
827    
828    
829    
830    /*************************************************
831    *             Print character string             *
832    *************************************************/
833    
834    /* Character string printing function. Must handle UTF-8 strings in utf8
835    mode. Yields number of characters printed. If handed a NULL file, just counts
836    chars without printing. */
837    
838    static int pchars(unsigned char *p, int length, FILE *f)
839    {
840    int c = 0;
841    int yield = 0;
842    
843    while (length-- > 0)
844      {
845    #if !defined NOUTF8
846      if (use_utf8)
847        {
848        int rc = utf82ord(p, &c);
849    
850        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
851          {
852          length -= rc - 1;
853          p += rc;
854          if (PRINTHEX(c))
855            {
856            if (f != NULL) fprintf(f, "%c", c);
857            yield++;
858            }
859          else
860            {
861            int n = 4;
862            if (f != NULL) fprintf(f, "\\x{%02x}", c);
863            yield += (n <= 0x000000ff)? 2 :
864                     (n <= 0x00000fff)? 3 :
865                     (n <= 0x0000ffff)? 4 :
866                     (n <= 0x000fffff)? 5 : 6;
867          }          }
868          continue;
869        }        }
870      break;      }
871    #endif
872    
873       /* Not UTF-8, or malformed UTF-8  */
874    
875      c = *p++;
876      if (PRINTHEX(c))
877        {
878        if (f != NULL) fprintf(f, "%c", c);
879        yield++;
880        }
881      else
882        {
883        if (f != NULL) fprintf(f, "\\x%02x", c);
884        yield += 4;
885        }
886      }
887    
888    return yield;
889    }
890    
891    
892    
893    /*************************************************
894    *              Callout function                  *
895    *************************************************/
896    
897    /* Called from PCRE as a result of the (?C) item. We print out where we are in
898    the match. Yield zero unless more callouts than the fail count, or the callout
899    data is not zero. */
900    
901    static int callout(pcre_callout_block *cb)
902    {
903    FILE *f = (first_callout | callout_extra)? outfile : NULL;
904    int i, pre_start, post_start, subject_length;
905    
906      /* Anything else is just a one-node item */  if (callout_extra)
907      {
908      fprintf(f, "Callout %d: last capture = %d\n",
909        cb->callout_number, cb->capture_last);
910    
911      default:    for (i = 0; i < cb->capture_top * 2; i += 2)
912      fprintf(outfile, "    %s", OP_names[*code]);      {
913      break;      if (cb->offset_vector[i] < 0)
914          fprintf(f, "%2d: <unset>\n", i/2);
915        else
916          {
917          fprintf(f, "%2d: ", i/2);
918          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
919            cb->offset_vector[i+1] - cb->offset_vector[i], f);
920          fprintf(f, "\n");
921          }
922      }      }
923      }
924    
925    /* Re-print the subject in canonical form, the first time or if giving full
926    datails. On subsequent calls in the same match, we use pchars just to find the
927    printed lengths of the substrings. */
928    
929    if (f != NULL) fprintf(f, "--->");
930    
931    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
932    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
933      cb->current_position - cb->start_match, f);
934    
935    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
936    
937    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
938      cb->subject_length - cb->current_position, f);
939    
940    if (f != NULL) fprintf(f, "\n");
941    
942    /* Always print appropriate indicators, with callout number if not already
943    shown. For automatic callouts, show the pattern offset. */
944    
945    if (cb->callout_number == 255)
946      {
947      fprintf(outfile, "%+3d ", cb->pattern_position);
948      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
949      }
950    else
951      {
952      if (callout_extra) fprintf(outfile, "    ");
953        else fprintf(outfile, "%3d ", cb->callout_number);
954      }
955    
956    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
957    fprintf(outfile, "^");
958    
959    if (post_start > 0)
960      {
961      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
962      fprintf(outfile, "^");
963      }
964    
965    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
966      fprintf(outfile, " ");
967    
968    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
969      pbuffer + cb->pattern_position);
970    
971    fprintf(outfile, "\n");
972    first_callout = 0;
973    
974    if (cb->mark != last_callout_mark)
975      {
976      fprintf(outfile, "Latest Mark: %s\n",
977        (cb->mark == NULL)? "<unset>" : (char *)(cb->mark));
978      last_callout_mark = cb->mark;
979      }
980    
981    if (cb->callout_data != NULL)
982      {
983      int callout_data = *((int *)(cb->callout_data));
984      if (callout_data != 0)
985        {
986        fprintf(outfile, "Callout data = %d\n", callout_data);
987        return callout_data;
988        }
989      }
990    
991    return (cb->callout_number != callout_fail_id)? 0 :
992           (++callout_count >= callout_fail_count)? 1 : 0;
993    }
994    
995    
996    /*************************************************
997    *            Local malloc functions              *
998    *************************************************/
999    
1000    /* Alternative malloc function, to test functionality and save the size of a
1001    compiled re. The show_malloc variable is set only during matching. */
1002    
1003    static void *new_malloc(size_t size)
1004    {
1005    void *block = malloc(size);
1006    gotten_store = size;
1007    if (show_malloc)
1008      fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
1009    return block;
1010    }
1011    
1012    static void new_free(void *block)
1013    {
1014    if (show_malloc)
1015      fprintf(outfile, "free             %p\n", block);
1016    free(block);
1017    }
1018    
1019    /* For recursion malloc/free, to test stacking calls */
1020    
1021    static void *stack_malloc(size_t size)
1022    {
1023    void *block = malloc(size);
1024    if (show_malloc)
1025      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1026    return block;
1027    }
1028    
1029    static void stack_free(void *block)
1030    {
1031    if (show_malloc)
1032      fprintf(outfile, "stack_free       %p\n", block);
1033    free(block);
1034    }
1035    
1036    
1037    /*************************************************
1038    *          Call pcre_fullinfo()                  *
1039    *************************************************/
1040    
1041    /* Get one piece of information from the pcre_fullinfo() function */
1042    
1043    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
1044    {
1045    int rc;
1046    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
1047      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
1048    }
1049    
1050    
1051    
1052    /*************************************************
1053    *         Byte flipping function                 *
1054    *************************************************/
1055    
1056    static unsigned long int
1057    byteflip(unsigned long int value, int n)
1058    {
1059    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1060    return ((value & 0x000000ff) << 24) |
1061           ((value & 0x0000ff00) <<  8) |
1062           ((value & 0x00ff0000) >>  8) |
1063           ((value & 0xff000000) >> 24);
1064    }
1065    
1066    
1067    
1068    
1069    /*************************************************
1070    *        Check match or recursion limit          *
1071    *************************************************/
1072    
1073    static int
1074    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1075      int start_offset, int options, int *use_offsets, int use_size_offsets,
1076      int flag, unsigned long int *limit, int errnumber, const char *msg)
1077    {
1078    int count;
1079    int min = 0;
1080    int mid = 64;
1081    int max = -1;
1082    
1083    extra->flags |= flag;
1084    
1085    for (;;)
1086      {
1087      *limit = mid;
1088    
1089      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1090        use_offsets, use_size_offsets);
1091    
1092      if (count == errnumber)
1093        {
1094        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1095        min = mid;
1096        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1097        }
1098    
1099      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1100                             count == PCRE_ERROR_PARTIAL)
1101        {
1102        if (mid == min + 1)
1103          {
1104          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1105          break;
1106          }
1107        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1108        max = mid;
1109        mid = (min + mid)/2;
1110        }
1111      else break;    /* Some other error */
1112      }
1113    
1114    extra->flags &= ~flag;
1115    return count;
1116    }
1117    
1118    
1119    
1120    /*************************************************
1121    *         Case-independent strncmp() function    *
1122    *************************************************/
1123    
1124    /*
1125    Arguments:
1126      s         first string
1127      t         second string
1128      n         number of characters to compare
1129    
1130    Returns:    < 0, = 0, or > 0, according to the comparison
1131    */
1132    
1133    code++;  static int
1134    fprintf(outfile, "\n");  strncmpic(uschar *s, uschar *t, int n)
1135    {
1136    while (n--)
1137      {
1138      int c = tolower(*s++) - tolower(*t++);
1139      if (c) return c;
1140    }    }
1141    return 0;
1142  }  }
1143    
1144    
1145    
1146  /* Character string printing function. */  /*************************************************
1147    *         Check newline indicator                *
1148    *************************************************/
1149    
1150    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1151    a message and return 0 if there is no match.
1152    
1153    Arguments:
1154      p           points after the leading '<'
1155      f           file for error message
1156    
1157  static void pchars(unsigned char *p, int length)  Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1158    */
1159    
1160    static int
1161    check_newline(uschar *p, FILE *f)
1162  {  {
1163  int c;  if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1164  while (length-- > 0)  if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1165    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);  if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1166      else fprintf(outfile, "\\x%02x", c);  if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1167    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1168    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1169    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1170    fprintf(f, "Unknown newline type at: <%s\n", p);
1171    return 0;
1172  }  }
1173    
1174    
1175    
1176  /* Alternative malloc function, to test functionality and show the size of the  /*************************************************
1177  compiled re. */  *             Usage function                     *
1178    *************************************************/
1179    
1180  static void *new_malloc(size_t size)  static void
1181    usage(void)
1182  {  {
1183  if (log_store) fprintf(outfile, "Store size request: %d\n", (int)size);  printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1184  return malloc(size);  printf("Input and output default to stdin and stdout.\n");
1185    #ifdef SUPPORT_LIBREADLINE
1186    printf("If input is a terminal, readline() is used to read from it.\n");
1187    #else
1188    printf("This version of pcretest is not linked with readline().\n");
1189    #endif
1190    printf("\nOptions:\n");
1191    printf("  -b       show compiled code (bytecode)\n");
1192    printf("  -C       show PCRE compile-time options and exit\n");
1193    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1194    #if !defined NODFA
1195    printf("  -dfa     force DFA matching for all subjects\n");
1196    #endif
1197    printf("  -help    show usage information\n");
1198    printf("  -i       show information about compiled patterns\n"
1199           "  -M       find MATCH_LIMIT minimum for each subject\n"
1200           "  -m       output memory used information\n"
1201           "  -o <n>   set size of offsets vector to <n>\n");
1202    #if !defined NOPOSIX
1203    printf("  -p       use POSIX interface\n");
1204    #endif
1205    printf("  -q       quiet: do not output PCRE version number at start\n");
1206    printf("  -S <n>   set stack size to <n> megabytes\n");
1207    printf("  -s       force each pattern to be studied at basic level\n"
1208           "  -s+      force each pattern to be studied, using JIT if available\n"
1209           "  -t       time compilation and execution\n");
1210    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1211    printf("  -tm      time execution (matching) only\n");
1212    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1213  }  }
1214    
1215    
1216    
1217    /*************************************************
1218    *                Main Program                    *
1219    *************************************************/
1220    
1221  /* 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
1222  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
1223  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 289  int main(int argc, char **argv) Line 1227  int main(int argc, char **argv)
1227  FILE *infile = stdin;  FILE *infile = stdin;
1228  int options = 0;  int options = 0;
1229  int study_options = 0;  int study_options = 0;
1230    int default_find_match_limit = FALSE;
1231  int op = 1;  int op = 1;
1232  int timeit = 0;  int timeit = 0;
1233    int timeitm = 0;
1234  int showinfo = 0;  int showinfo = 0;
1235    int showstore = 0;
1236    int force_study = -1;
1237    int force_study_options = 0;
1238    int quiet = 0;
1239    int size_offsets = 45;
1240    int size_offsets_max;
1241    int *offsets = NULL;
1242    #if !defined NOPOSIX
1243  int posix = 0;  int posix = 0;
1244    #endif
1245  int debug = 0;  int debug = 0;
1246  int done = 0;  int done = 0;
1247  unsigned char buffer[30000];  int all_use_dfa = 0;
1248  unsigned char dbuffer[1024];  int yield = 0;
1249    int stack_size;
1250    
1251    pcre_jit_stack *jit_stack = NULL;
1252    
1253    
1254    /* These vectors store, end-to-end, a list of captured substring names. Assume
1255    that 1024 is plenty long enough for the few names we'll be testing. */
1256    
1257    uschar copynames[1024];
1258    uschar getnames[1024];
1259    
1260    uschar *copynamesptr;
1261    uschar *getnamesptr;
1262    
1263    /* Get buffers from malloc() so that Electric Fence will check their misuse
1264    when I am debugging. They grow automatically when very long lines are read. */
1265    
1266  /* Static so that new_malloc can use it. */  buffer = (unsigned char *)malloc(buffer_size);
1267    dbuffer = (unsigned char *)malloc(buffer_size);
1268    pbuffer = (unsigned char *)malloc(buffer_size);
1269    
1270    /* The outfile variable is static so that new_malloc can use it. */
1271    
1272  outfile = stdout;  outfile = stdout;
1273    
1274    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1275    library to translate CRLF into a single LF character. At least, that's what
1276    I've been told: never having used Windows I take this all on trust. Originally
1277    it set 0x8000, but then I was advised that _O_BINARY was better. */
1278    
1279    #if defined(_WIN32) || defined(WIN32)
1280    _setmode( _fileno( stdout ), _O_BINARY );
1281    #endif
1282    
1283  /* Scan options */  /* Scan options */
1284    
1285  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1286    {    {
1287    if (strcmp(argv[op], "-s") == 0) log_store = 1;    unsigned char *endptr;
1288    else if (strcmp(argv[op], "-t") == 0) timeit = 1;  
1289      if (strcmp(argv[op], "-m") == 0) showstore = 1;
1290      else if (strcmp(argv[op], "-s") == 0) force_study = 0;
1291      else if (strcmp(argv[op], "-s+") == 0)
1292        {
1293        force_study = 1;
1294        force_study_options = PCRE_STUDY_JIT_COMPILE;
1295        }
1296      else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1297      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1298    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1299    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1300      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1301    #if !defined NODFA
1302      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1303    #endif
1304      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1305          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1306            *endptr == 0))
1307        {
1308        op++;
1309        argc--;
1310        }
1311      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1312        {
1313        int both = argv[op][2] == 0;
1314        int temp;
1315        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1316                         *endptr == 0))
1317          {
1318          timeitm = temp;
1319          op++;
1320          argc--;
1321          }
1322        else timeitm = LOOPREPEAT;
1323        if (both) timeit = timeitm;
1324        }
1325      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1326          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1327            *endptr == 0))
1328        {
1329    #if defined(_WIN32) || defined(WIN32) || defined(__minix)
1330        printf("PCRE: -S not supported on this OS\n");
1331        exit(1);
1332    #else
1333        int rc;
1334        struct rlimit rlim;
1335        getrlimit(RLIMIT_STACK, &rlim);
1336        rlim.rlim_cur = stack_size * 1024 * 1024;
1337        rc = setrlimit(RLIMIT_STACK, &rlim);
1338        if (rc != 0)
1339          {
1340        printf("PCRE: setrlimit() failed with error %d\n", rc);
1341        exit(1);
1342          }
1343        op++;
1344        argc--;
1345    #endif
1346        }
1347    #if !defined NOPOSIX
1348    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1349    #endif
1350      else if (strcmp(argv[op], "-C") == 0)
1351        {
1352        int rc;
1353        unsigned long int lrc;
1354        printf("PCRE version %s\n", pcre_version());
1355        printf("Compiled with\n");
1356        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1357        printf("  %sUTF-8 support\n", rc? "" : "No ");
1358        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1359        printf("  %sUnicode properties support\n", rc? "" : "No ");
1360        (void)pcre_config(PCRE_CONFIG_JIT, &rc);
1361        printf("  %sJust-in-time compiler support\n", rc? "" : "No ");
1362        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1363        /* Note that these values are always the ASCII values, even
1364        in EBCDIC environments. CR is 13 and NL is 10. */
1365        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1366          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1367          (rc == -2)? "ANYCRLF" :
1368          (rc == -1)? "ANY" : "???");
1369        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1370        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1371                                         "all Unicode newlines");
1372        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1373        printf("  Internal link size = %d\n", rc);
1374        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1375        printf("  POSIX malloc threshold = %d\n", rc);
1376        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1377        printf("  Default match limit = %ld\n", lrc);
1378        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1379        printf("  Default recursion depth limit = %ld\n", lrc);
1380        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1381        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1382        goto EXIT;
1383        }
1384      else if (strcmp(argv[op], "-help") == 0 ||
1385               strcmp(argv[op], "--help") == 0)
1386        {
1387        usage();
1388        goto EXIT;
1389        }
1390    else    else
1391      {      {
1392      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1393      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1394      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1395             "  -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;  
1396      }      }
1397    op++;    op++;
1398    argc--;    argc--;
1399    }    }
1400    
1401    /* Get the store for the offsets vector, and remember what it was */
1402    
1403    size_offsets_max = size_offsets;
1404    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1405    if (offsets == NULL)
1406      {
1407      printf("** Failed to get %d bytes of memory for offsets vector\n",
1408        (int)(size_offsets_max * sizeof(int)));
1409      yield = 1;
1410      goto EXIT;
1411      }
1412    
1413  /* Sort out the input and output files */  /* Sort out the input and output files */
1414    
1415  if (argc > 1)  if (argc > 1)
1416    {    {
1417    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1418    if (infile == NULL)    if (infile == NULL)
1419      {      {
1420      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1421      return 1;      yield = 1;
1422        goto EXIT;
1423      }      }
1424    }    }
1425    
1426  if (argc > 2)  if (argc > 2)
1427    {    {
1428    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1429    if (outfile == NULL)    if (outfile == NULL)
1430      {      {
1431      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1432      return 1;      yield = 1;
1433        goto EXIT;
1434      }      }
1435    }    }
1436    
1437  /* Set alternative malloc function */  /* Set alternative malloc function */
1438    
1439  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1440    pcre_free = new_free;
1441    pcre_stack_malloc = stack_malloc;
1442    pcre_stack_free = stack_free;
1443    
1444  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1445    
1446  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1447    
1448  /* Main loop */  /* Main loop */
1449    
# Line 362  while (!done) Line 1451  while (!done)
1451    {    {
1452    pcre *re = NULL;    pcre *re = NULL;
1453    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
1454    
1455    #if !defined NOPOSIX  /* There are still compilers that require no indent */
1456    regex_t preg;    regex_t preg;
1457      int do_posix = 0;
1458    #endif
1459    
1460    const char *error;    const char *error;
1461      unsigned char *markptr;
1462    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1463    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1464      const unsigned char *tables = NULL;
1465      unsigned long int true_size, true_study_size = 0;
1466      size_t size, regex_gotten_store;
1467      int do_allcaps = 0;
1468      int do_mark = 0;
1469    int do_study = 0;    int do_study = 0;
1470      int no_force_study = 0;
1471    int do_debug = debug;    int do_debug = debug;
1472      int do_G = 0;
1473      int do_g = 0;
1474    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1475    int do_posix = 0;    int do_showrest = 0;
1476    int erroroffset, len, delimiter;    int do_showcaprest = 0;
1477      int do_flip = 0;
1478      int erroroffset, len, delimiter, poffset;
1479    
1480    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1481    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1482    
1483      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1484    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1485      fflush(outfile);
1486    
1487    p = buffer;    p = buffer;
1488    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1489    if (*p == 0) continue;    if (*p == 0) continue;
1490    
1491    /* 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. */
1492    complete, read more. */  
1493      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1494        {
1495        unsigned long int magic, get_options;
1496        uschar sbuf[8];
1497        FILE *f;
1498    
1499        p++;
1500        pp = p + (int)strlen((char *)p);
1501        while (isspace(pp[-1])) pp--;
1502        *pp = 0;
1503    
1504        f = fopen((char *)p, "rb");
1505        if (f == NULL)
1506          {
1507          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1508          continue;
1509          }
1510    
1511        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1512    
1513        true_size =
1514          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1515        true_study_size =
1516          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1517    
1518        re = (real_pcre *)new_malloc(true_size);
1519        regex_gotten_store = gotten_store;
1520    
1521        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1522    
1523        magic = ((real_pcre *)re)->magic_number;
1524        if (magic != MAGIC_NUMBER)
1525          {
1526          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1527            {
1528            do_flip = 1;
1529            }
1530          else
1531            {
1532            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1533            fclose(f);
1534            continue;
1535            }
1536          }
1537    
1538        fprintf(outfile, "Compiled pattern%s loaded from %s\n",
1539          do_flip? " (byte-inverted)" : "", p);
1540    
1541        /* Need to know if UTF-8 for printing data strings */
1542    
1543        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1544        use_utf8 = (get_options & PCRE_UTF8) != 0;
1545    
1546        /* Now see if there is any following study data. */
1547    
1548        if (true_study_size != 0)
1549          {
1550          pcre_study_data *psd;
1551    
1552          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1553          extra->flags = PCRE_EXTRA_STUDY_DATA;
1554    
1555          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1556          extra->study_data = psd;
1557    
1558          if (fread(psd, 1, true_study_size, f) != true_study_size)
1559            {
1560            FAIL_READ:
1561            fprintf(outfile, "Failed to read data from %s\n", p);
1562            if (extra != NULL) pcre_free_study(extra);
1563            if (re != NULL) new_free(re);
1564            fclose(f);
1565            continue;
1566            }
1567          fprintf(outfile, "Study data loaded from %s\n", p);
1568          do_study = 1;     /* To get the data output if requested */
1569          }
1570        else fprintf(outfile, "No study data\n");
1571    
1572        fclose(f);
1573        goto SHOW_INFO;
1574        }
1575    
1576      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1577      the pattern; if is isn't complete, read more. */
1578    
1579    delimiter = *p++;    delimiter = *p++;
1580    
1581    if (isalnum(delimiter))    if (isalnum(delimiter) || delimiter == '\\')
1582      {      {
1583      fprintf(outfile, "** Delimiter must not be alphameric\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1584      goto SKIP_DATA;      goto SKIP_DATA;
1585      }      }
1586    
1587    pp = p;    pp = p;
1588      poffset = (int)(p - buffer);
1589    
1590    for(;;)    for(;;)
1591      {      {
1592      while (*pp != 0 && *pp != delimiter) pp++;      while (*pp != 0)
     if (*pp != 0) break;  
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
1593        {        {
1594        fprintf(outfile, "** Expression too long - missing delimiter?\n");        if (*pp == '\\' && pp[1] != 0) pp++;
1595        goto SKIP_DATA;          else if (*pp == delimiter) break;
1596          pp++;
1597        }        }
1598        if (*pp != 0) break;
1599      if (infile == stdin) printf("    > ");      if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     if (fgets((char *)pp, len, infile) == NULL)  
1600        {        {
1601        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1602        done = 1;        done = 1;
# Line 415  while (!done) Line 1605  while (!done)
1605      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1606      }      }
1607    
1608    /* Terminate the pattern at the delimiter */    /* The buffer may have moved while being extended; reset the start of data
1609      pointer to the correct relative point in the buffer. */
1610    
1611      p = buffer + poffset;
1612    
1613      /* If the first character after the delimiter is backslash, make
1614      the pattern end with backslash. This is purely to provide a way
1615      of testing for the error message when a pattern ends with backslash. */
1616    
1617      if (pp[1] == '\\') *pp++ = '\\';
1618    
1619      /* Terminate the pattern at the delimiter, and save a copy of the pattern
1620      for callouts. */
1621    
1622    *pp++ = 0;    *pp++ = 0;
1623      strcpy((char *)pbuffer, (char *)p);
1624    
1625    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1626    
1627    options = 0;    options = 0;
1628    study_options = 0;    log_store = showstore;  /* default from command line */
1629    
1630    while (*pp != 0)    while (*pp != 0)
1631      {      {
1632      switch (*pp++)      switch (*pp++)
1633        {        {
1634          case 'f': options |= PCRE_FIRSTLINE; break;
1635          case 'g': do_g = 1; break;
1636        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1637        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1638        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1639        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1640    
1641          case '+':
1642          if (do_showrest) do_showcaprest = 1; else do_showrest = 1;
1643          break;
1644    
1645          case '=': do_allcaps = 1; break;
1646        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1647          case 'B': do_debug = 1; break;
1648          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1649        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1650        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1651          case 'F': do_flip = 1; break;
1652          case 'G': do_G = 1; break;
1653        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1654          case 'J': options |= PCRE_DUPNAMES; break;
1655          case 'K': do_mark = 1; break;
1656          case 'M': log_store = 1; break;
1657          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1658    
1659    #if !defined NOPOSIX
1660        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1661        case 'S': do_study = 1; break;  #endif
1662    
1663          case 'S':
1664          if (do_study == 0)
1665            {
1666            do_study = 1;
1667            if (*pp == '+')
1668              {
1669              study_options |= PCRE_STUDY_JIT_COMPILE;
1670              pp++;
1671              }
1672            }
1673          else
1674            {
1675            do_study = 0;
1676            no_force_study = 1;
1677            }
1678          break;
1679    
1680        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1681          case 'W': options |= PCRE_UCP; break;
1682        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1683          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1684          case 'Z': debug_lengths = 0; break;
1685          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1686          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1687    
1688          case 'T':
1689          switch (*pp++)
1690            {
1691            case '0': tables = tables0; break;
1692            case '1': tables = tables1; break;
1693    
1694            case '\r':
1695            case '\n':
1696            case ' ':
1697            case 0:
1698            fprintf(outfile, "** Missing table number after /T\n");
1699            goto SKIP_DATA;
1700    
1701            default:
1702            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1703            goto SKIP_DATA;
1704            }
1705          break;
1706    
1707        case 'L':        case 'L':
1708        ppp = pp;        ppp = pp;
1709        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1710          /* The '0' test is just in case this is an unterminated line. */
1711          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1712        *ppp = 0;        *ppp = 0;
1713        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1714          {          {
1715          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1716          goto SKIP_DATA;          goto SKIP_DATA;
1717          }          }
1718          locale_set = 1;
1719        tables = pcre_maketables();        tables = pcre_maketables();
1720        pp = ppp;        pp = ppp;
1721        break;        break;
1722    
1723        case '\n': case ' ': break;        case '>':
1724          to_file = pp;
1725          while (*pp != 0) pp++;
1726          while (isspace(pp[-1])) pp--;
1727          *pp = 0;
1728          break;
1729    
1730          case '<':
1731            {
1732            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1733              {
1734              options |= PCRE_JAVASCRIPT_COMPAT;
1735              pp += 3;
1736              }
1737            else
1738              {
1739              int x = check_newline(pp, outfile);
1740              if (x == 0) goto SKIP_DATA;
1741              options |= x;
1742              while (*pp++ != '>');
1743              }
1744            }
1745          break;
1746    
1747          case '\r':                      /* So that it works in Windows */
1748          case '\n':
1749          case ' ':
1750          break;
1751    
1752        default:        default:
1753        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1754        goto SKIP_DATA;        goto SKIP_DATA;
# Line 465  while (!done) Line 1759  while (!done)
1759    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1760    local character tables. */    local character tables. */
1761    
1762    #if !defined NOPOSIX
1763    if (posix || do_posix)    if (posix || do_posix)
1764      {      {
1765      int rc;      int rc;
1766      int cflags = 0;      int cflags = 0;
1767    
1768      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1769      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1770        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1771        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1772        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1773        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1774        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1775    
1776      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1777    
1778      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 478  while (!done) Line 1780  while (!done)
1780    
1781      if (rc != 0)      if (rc != 0)
1782        {        {
1783        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1784        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1785        goto SKIP_DATA;        goto SKIP_DATA;
1786        }        }
# Line 487  while (!done) Line 1789  while (!done)
1789    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1790    
1791    else    else
1792    #endif  /* !defined NOPOSIX */
1793    
1794      {      {
1795      if (timeit)      unsigned long int get_options;
1796    
1797        if (timeit > 0)
1798        {        {
1799        register int i;        register int i;
1800        clock_t time_taken;        clock_t time_taken;
1801        clock_t start_time = clock();        clock_t start_time = clock();
1802        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1803          {          {
1804          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1805          if (re != NULL) free(re);          if (re != NULL) free(re);
1806          }          }
1807        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1808        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1809          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1810          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1811        }        }
1812    
1813      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 517  while (!done) Line 1823  while (!done)
1823          {          {
1824          for (;;)          for (;;)
1825            {            {
1826            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1827              {              {
1828              done = 1;              done = 1;
1829              goto CONTINUE;              goto CONTINUE;
# Line 531  while (!done) Line 1837  while (!done)
1837        goto CONTINUE;        goto CONTINUE;
1838        }        }
1839    
1840      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1841        within the regex; check for this so that we know how to process the data
1842        lines. */
1843    
1844        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1845        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1846    
1847        /* Print information if required. There are now two info-returning
1848        functions. The old one has a limited interface and returns only limited
1849        data. Check that it agrees with the newer one. */
1850    
1851        if (log_store)
1852          fprintf(outfile, "Memory allocation (code space): %d\n",
1853            (int)(gotten_store -
1854                  sizeof(real_pcre) -
1855                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
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 = gotten_store;
1862    
1863        /* If -s or /S was present, study the regex to generate additional info to
1864        help with the matching, unless the pattern has the SS option, which
1865        suppresses the effect of /S (used for a few test patterns where studying is
1866        never sensible). */
1867    
1868      if (do_showinfo)      if (do_study || (force_study >= 0 && !no_force_study))
1869          {
1870          if (timeit > 0)
1871            {
1872            register int i;
1873            clock_t time_taken;
1874            clock_t start_time = clock();
1875            for (i = 0; i < timeit; i++)
1876              extra = pcre_study(re, study_options | force_study_options, &error);
1877            time_taken = clock() - start_time;
1878            if (extra != NULL) pcre_free_study(extra);
1879            fprintf(outfile, "  Study time %.4f milliseconds\n",
1880              (((double)time_taken * 1000.0) / (double)timeit) /
1881                (double)CLOCKS_PER_SEC);
1882            }
1883          extra = pcre_study(re, study_options | force_study_options, &error);
1884          if (error != NULL)
1885            fprintf(outfile, "Failed to study: %s\n", error);
1886          else if (extra != NULL)
1887            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1888          }
1889    
1890        /* If /K was present, we set up for handling MARK data. */
1891    
1892        if (do_mark)
1893          {
1894          if (extra == NULL)
1895            {
1896            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1897            extra->flags = 0;
1898            }
1899          extra->mark = &markptr;
1900          extra->flags |= PCRE_EXTRA_MARK;
1901          }
1902    
1903        /* If the 'F' option was present, we flip the bytes of all the integer
1904        fields in the regex data block and the study block. This is to make it
1905        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1906        compiled on a different architecture. */
1907    
1908        if (do_flip)
1909          {
1910          real_pcre *rre = (real_pcre *)re;
1911          rre->magic_number =
1912            byteflip(rre->magic_number, sizeof(rre->magic_number));
1913          rre->size = byteflip(rre->size, sizeof(rre->size));
1914          rre->options = byteflip(rre->options, sizeof(rre->options));
1915          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1916          rre->top_bracket =
1917            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1918          rre->top_backref =
1919            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1920          rre->first_byte =
1921            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1922          rre->req_byte =
1923            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1924          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1925            sizeof(rre->name_table_offset));
1926          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1927            sizeof(rre->name_entry_size));
1928          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1929            sizeof(rre->name_count));
1930    
1931          if (extra != NULL)
1932            {
1933            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1934            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1935            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1936            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1937            }
1938          }
1939    
1940        /* Extract information from the compiled data if required */
1941    
1942        SHOW_INFO:
1943    
1944        if (do_debug)
1945        {        {
1946        int first_char, count;        fprintf(outfile, "------------------------------------------------------------------\n");
1947          pcre_printint(re, outfile, debug_lengths);
1948          }
1949    
1950        /* We already have the options in get_options (see above) */
1951    
1952        if (do_debug) print_internals(re, outfile);      if (do_showinfo)
1953          {
1954          unsigned long int all_options;
1955    #if !defined NOINFOCHECK
1956          int old_first_char, old_options, old_count;
1957    #endif
1958          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1959            hascrorlf;
1960          int nameentrysize, namecount;
1961          const uschar *nametable;
1962    
1963          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1964          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1965          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1966          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1967          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1968          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1969          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1970          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1971          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1972          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1973          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1974    
1975        count = pcre_info(re, &options, &first_char);  #if !defined NOINFOCHECK
1976          old_count = pcre_info(re, &old_options, &old_first_char);
1977        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1978          "Error %d while reading info\n", count);          "Error %d from pcre_info()\n", count);
1979        else        else
1980          {          {
1981          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (old_count != count) fprintf(outfile,
1982          if (options == 0) fprintf(outfile, "No options\n");            "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1983            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",              old_count);
1984              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
1985              ((options & PCRE_CASELESS) != 0)? " caseless" : "",          if (old_first_char != first_char) fprintf(outfile,
1986              ((options & PCRE_EXTENDED) != 0)? " extended" : "",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1987              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",              first_char, old_first_char);
1988              ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
1989              ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",          if (old_options != (int)get_options) fprintf(outfile,
1990              ((options & PCRE_EXTRA) != 0)? " extra" : "",            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1991              ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");              get_options, old_options);
1992          if (first_char == -1)          }
1993            {  #endif
1994            fprintf(outfile, "First char at start or follows \\n\n");  
1995            }        if (size != regex_gotten_store) fprintf(outfile,
1996          else if (first_char < 0)          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1997            (int)size, (int)regex_gotten_store);
1998    
1999          fprintf(outfile, "Capturing subpattern count = %d\n", count);
2000          if (backrefmax > 0)
2001            fprintf(outfile, "Max back reference = %d\n", backrefmax);
2002    
2003          if (namecount > 0)
2004            {
2005            fprintf(outfile, "Named capturing subpatterns:\n");
2006            while (namecount-- > 0)
2007            {            {
2008            fprintf(outfile, "No first char\n");            fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
2009                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
2010                GET2(nametable, 0));
2011              nametable += nameentrysize;
2012            }            }
2013            }
2014    
2015          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
2016          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
2017    
2018          all_options = ((real_pcre *)re)->options;
2019          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
2020    
2021          if (get_options == 0) fprintf(outfile, "No options\n");
2022            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
2023              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
2024              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
2025              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
2026              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
2027              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
2028              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
2029              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
2030              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
2031              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
2032              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
2033              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
2034              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
2035              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
2036              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
2037              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
2038              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
2039              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
2040    
2041          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
2042    
2043          switch (get_options & PCRE_NEWLINE_BITS)
2044            {
2045            case PCRE_NEWLINE_CR:
2046            fprintf(outfile, "Forced newline sequence: CR\n");
2047            break;
2048    
2049            case PCRE_NEWLINE_LF:
2050            fprintf(outfile, "Forced newline sequence: LF\n");
2051            break;
2052    
2053            case PCRE_NEWLINE_CRLF:
2054            fprintf(outfile, "Forced newline sequence: CRLF\n");
2055            break;
2056    
2057            case PCRE_NEWLINE_ANYCRLF:
2058            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2059            break;
2060    
2061            case PCRE_NEWLINE_ANY:
2062            fprintf(outfile, "Forced newline sequence: ANY\n");
2063            break;
2064    
2065            default:
2066            break;
2067            }
2068    
2069          if (first_char == -1)
2070            {
2071            fprintf(outfile, "First char at start or follows newline\n");
2072            }
2073          else if (first_char < 0)
2074            {
2075            fprintf(outfile, "No first char\n");
2076            }
2077          else
2078            {
2079            int ch = first_char & 255;
2080            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2081              "" : " (caseless)";
2082            if (PRINTHEX(ch))
2083              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2084            else
2085              fprintf(outfile, "First char = %d%s\n", ch, caseless);
2086            }
2087    
2088          if (need_char < 0)
2089            {
2090            fprintf(outfile, "No need char\n");
2091            }
2092          else
2093            {
2094            int ch = need_char & 255;
2095            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2096              "" : " (caseless)";
2097            if (PRINTHEX(ch))
2098              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2099            else
2100              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2101            }
2102    
2103          /* Don't output study size; at present it is in any case a fixed
2104          value, but it varies, depending on the computer architecture, and
2105          so messes up the test suite. (And with the /F option, it might be
2106          flipped.) If study was forced by an external -s, don't show this
2107          information unless -i or -d was also present. This means that, except
2108          when auto-callouts are involved, the output from runs with and without
2109          -s should be identical. */
2110    
2111          if (do_study || (force_study >= 0 && showinfo && !no_force_study))
2112            {
2113            if (extra == NULL)
2114              fprintf(outfile, "Study returned NULL\n");
2115          else          else
2116            {            {
2117            if (isprint(first_char))            uschar *start_bits = NULL;
2118              fprintf(outfile, "First char = \'%c\'\n", first_char);            int minlength;
2119    
2120              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2121              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2122    
2123              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2124              if (start_bits == NULL)
2125                fprintf(outfile, "No set of starting bytes\n");
2126            else            else
2127              fprintf(outfile, "First char = %d\n", first_char);              {
2128                int i;
2129                int c = 24;
2130                fprintf(outfile, "Starting byte set: ");
2131                for (i = 0; i < 256; i++)
2132                  {
2133                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2134                    {
2135                    if (c > 75)
2136                      {
2137                      fprintf(outfile, "\n  ");
2138                      c = 2;
2139                      }
2140                    if (PRINTHEX(i) && i != ' ')
2141                      {
2142                      fprintf(outfile, "%c ", i);
2143                      c += 2;
2144                      }
2145                    else
2146                      {
2147                      fprintf(outfile, "\\x%02x ", i);
2148                      c += 5;
2149                      }
2150                    }
2151                  }
2152                fprintf(outfile, "\n");
2153                }
2154            }            }
2155    
2156            /* Show this only if the JIT was set by /S, not by -s. */
2157    
2158            if ((study_options & PCRE_STUDY_JIT_COMPILE) != 0)
2159              {
2160              int jit;
2161              new_info(re, extra, PCRE_INFO_JIT, &jit);
2162              if (jit)
2163                fprintf(outfile, "JIT study was successful\n");
2164              else
2165    #ifdef SUPPORT_JIT
2166                fprintf(outfile, "JIT study was not successful\n");
2167    #else
2168                fprintf(outfile, "JIT support is not available in this version of PCRE\n");
2169    #endif
2170              }
2171          }          }
2172        }        }
2173    
2174      /* 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
2175      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
2176        the study length, in big-endian order. */
2177    
2178      if (do_study)      if (to_file != NULL)
2179        {        {
2180        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
2181          if (f == NULL)
2182          {          {
2183          register int i;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
         clock_t time_taken;  
         clock_t start_time = clock();  
         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));  
2184          }          }
2185          else
       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)  
2186          {          {
2187          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
2188          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (uschar)((true_size >> 24) & 255);
2189            fprintf(outfile, "No starting character set\n");          sbuf[1] = (uschar)((true_size >> 16) & 255);
2190            sbuf[2] = (uschar)((true_size >>  8) & 255);
2191            sbuf[3] = (uschar)((true_size) & 255);
2192    
2193            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2194            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2195            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2196            sbuf[7] = (uschar)((true_study_size) & 255);
2197    
2198            if (fwrite(sbuf, 1, 8, f) < 8 ||
2199                fwrite(re, 1, true_size, f) < true_size)
2200              {
2201              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2202              }
2203          else          else
2204            {            {
2205            int i;            fprintf(outfile, "Compiled pattern written to %s\n", to_file);
2206            int c = 24;  
2207            fprintf(outfile, "Starting character set: ");            /* If there is study data, write it. */
2208            for (i = 0; i < 256; i++)  
2209              if (extra != NULL)
2210              {              {
2211              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2212                    true_study_size)
2213                {                {
2214                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2215                  {                  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;  
                 }  
2216                }                }
2217                else fprintf(outfile, "Study data written to %s\n", to_file);
2218              }              }
           fprintf(outfile, "\n");  
2219            }            }
2220            fclose(f);
2221            }
2222    
2223          new_free(re);
2224          if (extra != NULL) pcre_free_study(extra);
2225          if (locale_set)
2226            {
2227            new_free((void *)tables);
2228            setlocale(LC_CTYPE, "C");
2229            locale_set = 0;
2230          }          }
2231          continue;  /* With next regex */
2232        }        }
2233      }      }        /* End of non-POSIX compile */
2234    
2235    /* Read data lines and test them */    /* Read data lines and test them */
2236    
2237    for (;;)    for (;;)
2238      {      {
2239      unsigned char *q;      uschar *q;
2240        uschar *bptr;
2241        int *use_offsets = offsets;
2242        int use_size_offsets = size_offsets;
2243        int callout_data = 0;
2244        int callout_data_set = 0;
2245      int count, c;      int count, c;
2246      int offsets[45];      int copystrings = 0;
2247      int size_offsets = sizeof(offsets)/sizeof(int);      int find_match_limit = default_find_match_limit;
2248        int getstrings = 0;
2249        int getlist = 0;
2250        int gmatched = 0;
2251        int start_offset = 0;
2252        int start_offset_sign = 1;
2253        int g_notempty = 0;
2254        int use_dfa = 0;
2255    
2256      options = 0;      options = 0;
2257    
2258      if (infile == stdin) printf("  data> ");      *copynames = 0;
2259      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2260    
2261        copynamesptr = copynames;
2262        getnamesptr = getnames;
2263    
2264        pcre_callout = callout;
2265        first_callout = 1;
2266        last_callout_mark = NULL;
2267        callout_extra = 0;
2268        callout_count = 0;
2269        callout_fail_count = 999999;
2270        callout_fail_id = -1;
2271        show_malloc = 0;
2272    
2273        if (extra != NULL) extra->flags &=
2274          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2275    
2276        len = 0;
2277        for (;;)
2278        {        {
2279        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2280        goto CONTINUE;          {
2281            if (len > 0)    /* Reached EOF without hitting a newline */
2282              {
2283              fprintf(outfile, "\n");
2284              break;
2285              }
2286            done = 1;
2287            goto CONTINUE;
2288            }
2289          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2290          len = (int)strlen((char *)buffer);
2291          if (buffer[len-1] == '\n') break;
2292        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2293    
     len = (int)strlen((char *)buffer);  
2294      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2295      buffer[len] = 0;      buffer[len] = 0;
2296      if (len == 0) break;      if (len == 0) break;
# Line 665  while (!done) Line 2298  while (!done)
2298      p = buffer;      p = buffer;
2299      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2300    
2301      q = dbuffer;      bptr = q = dbuffer;
2302      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2303        {        {
2304        int i = 0;        int i = 0;
2305        int n = 0;        int n = 0;
2306    
2307        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2308          {          {
2309          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 686  while (!done) Line 2320  while (!done)
2320          c -= '0';          c -= '0';
2321          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2322            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2323    
2324    #if !defined NOUTF8
2325            if (use_utf8 && c > 255)
2326              {
2327              unsigned char buff8[8];
2328              int ii, utn;
2329              utn = ord2utf8(c, buff8);
2330              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2331              c = buff8[ii];   /* Last byte */
2332              }
2333    #endif
2334          break;          break;
2335    
2336          case 'x':          case 'x':
2337    
2338            /* Handle \x{..} specially - new Perl thing for utf8 */
2339    
2340    #if !defined NOUTF8
2341            if (*p == '{')
2342              {
2343              unsigned char *pt = p;
2344              c = 0;
2345              while (isxdigit(*(++pt)))
2346                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2347              if (*pt == '}')
2348                {
2349                unsigned char buff8[8];
2350                int ii, utn;
2351                if (use_utf8)
2352                  {
2353                  utn = ord2utf8(c, buff8);
2354                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2355                  c = buff8[ii];   /* Last byte */
2356                  }
2357                else
2358                 {
2359                 if (c > 255)
2360                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2361                     "UTF-8 mode is not enabled.\n"
2362                     "** Truncation will probably give the wrong result.\n", c);
2363                 }
2364                p = pt + 1;
2365                break;
2366                }
2367              /* Not correct form; fall through */
2368              }
2369    #endif
2370    
2371            /* Ordinary \x */
2372    
2373          c = 0;          c = 0;
2374          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2375            {            {
# Line 697  while (!done) Line 2378  while (!done)
2378            }            }
2379          break;          break;
2380    
2381          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2382          p--;          p--;
2383          continue;          continue;
2384    
2385            case '>':
2386            if (*p == '-')
2387              {
2388              start_offset_sign = -1;
2389              p++;
2390              }
2391            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2392            start_offset *= start_offset_sign;
2393            continue;
2394    
2395          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2396          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2397          continue;          continue;
# Line 709  while (!done) Line 2400  while (!done)
2400          options |= PCRE_NOTBOL;          options |= PCRE_NOTBOL;
2401          continue;          continue;
2402    
2403            case 'C':
2404            if (isdigit(*p))    /* Set copy string */
2405              {
2406              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2407              copystrings |= 1 << n;
2408              }
2409            else if (isalnum(*p))
2410              {
2411              uschar *npp = copynamesptr;
2412              while (isalnum(*p)) *npp++ = *p++;
2413              *npp++ = 0;
2414              *npp = 0;
2415              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2416              if (n < 0)
2417                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2418              copynamesptr = npp;
2419              }
2420            else if (*p == '+')
2421              {
2422              callout_extra = 1;
2423              p++;
2424              }
2425            else if (*p == '-')
2426              {
2427              pcre_callout = NULL;
2428              p++;
2429              }
2430            else if (*p == '!')
2431              {
2432              callout_fail_id = 0;
2433              p++;
2434              while(isdigit(*p))
2435                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2436              callout_fail_count = 0;
2437              if (*p == '!')
2438                {
2439                p++;
2440                while(isdigit(*p))
2441                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2442                }
2443              }
2444            else if (*p == '*')
2445              {
2446              int sign = 1;
2447              callout_data = 0;
2448              if (*(++p) == '-') { sign = -1; p++; }
2449              while(isdigit(*p))
2450                callout_data = callout_data * 10 + *p++ - '0';
2451              callout_data *= sign;
2452              callout_data_set = 1;
2453              }
2454            continue;
2455    
2456    #if !defined NODFA
2457            case 'D':
2458    #if !defined NOPOSIX
2459            if (posix || do_posix)
2460              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2461            else
2462    #endif
2463              use_dfa = 1;
2464            continue;
2465    #endif
2466    
2467    #if !defined NODFA
2468            case 'F':
2469            options |= PCRE_DFA_SHORTEST;
2470            continue;
2471    #endif
2472    
2473            case 'G':
2474            if (isdigit(*p))
2475              {
2476              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2477              getstrings |= 1 << n;
2478              }
2479            else if (isalnum(*p))
2480              {
2481              uschar *npp = getnamesptr;
2482              while (isalnum(*p)) *npp++ = *p++;
2483              *npp++ = 0;
2484              *npp = 0;
2485              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2486              if (n < 0)
2487                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2488              getnamesptr = npp;
2489              }
2490            continue;
2491    
2492            case 'J':
2493            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2494            if (extra != NULL
2495                && (extra->flags & PCRE_EXTRA_EXECUTABLE_JIT) != 0
2496                && extra->executable_jit != NULL)
2497              {
2498              if (jit_stack != NULL) pcre_jit_stack_free(jit_stack);
2499              jit_stack = pcre_jit_stack_alloc(1, n * 1024);
2500              pcre_assign_jit_callback(extra, jit_callback, jit_stack);
2501              }
2502            continue;
2503    
2504            case 'L':
2505            getlist = 1;
2506            continue;
2507    
2508            case 'M':
2509            find_match_limit = 1;
2510            continue;
2511    
2512            case 'N':
2513            if ((options & PCRE_NOTEMPTY) != 0)
2514              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2515            else
2516              options |= PCRE_NOTEMPTY;
2517            continue;
2518    
2519          case 'O':          case 'O':
2520          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2521          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2522              {
2523              size_offsets_max = n;
2524              free(offsets);
2525              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2526              if (offsets == NULL)
2527                {
2528                printf("** Failed to get %d bytes of memory for offsets vector\n",
2529                  (int)(size_offsets_max * sizeof(int)));
2530                yield = 1;
2531                goto EXIT;
2532                }
2533              }
2534            use_size_offsets = n;
2535            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2536            continue;
2537    
2538            case 'P':
2539            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2540              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2541            continue;
2542    
2543            case 'Q':
2544            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2545            if (extra == NULL)
2546              {
2547              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2548              extra->flags = 0;
2549              }
2550            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2551            extra->match_limit_recursion = n;
2552            continue;
2553    
2554            case 'q':
2555            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2556            if (extra == NULL)
2557              {
2558              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2559              extra->flags = 0;
2560              }
2561            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2562            extra->match_limit = n;
2563            continue;
2564    
2565    #if !defined NODFA
2566            case 'R':
2567            options |= PCRE_DFA_RESTART;
2568            continue;
2569    #endif
2570    
2571            case 'S':
2572            show_malloc = 1;
2573            continue;
2574    
2575            case 'Y':
2576            options |= PCRE_NO_START_OPTIMIZE;
2577          continue;          continue;
2578    
2579          case 'Z':          case 'Z':
2580          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2581          continue;          continue;
2582    
2583            case '?':
2584            options |= PCRE_NO_UTF8_CHECK;
2585            continue;
2586    
2587            case '<':
2588              {
2589              int x = check_newline(p, outfile);
2590              if (x == 0) goto NEXT_DATA;
2591              options |= x;
2592              while (*p++ != '>');
2593              }
2594            continue;
2595          }          }
2596        *q++ = c;        *q++ = c;
2597        }        }
2598      *q = 0;      *q = 0;
2599      len = q - dbuffer;      len = (int)(q - dbuffer);
2600    
2601        /* Move the data to the end of the buffer so that a read over the end of
2602        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2603        we are using the POSIX interface, we must include the terminating zero. */
2604    
2605    #if !defined NOPOSIX
2606        if (posix || do_posix)
2607          {
2608          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2609          bptr += buffer_size - len - 1;
2610          }
2611        else
2612    #endif
2613          {
2614          memmove(bptr + buffer_size - len, bptr, len);
2615          bptr += buffer_size - len;
2616          }
2617    
2618        if ((all_use_dfa || use_dfa) && find_match_limit)
2619          {
2620          printf("**Match limit not relevant for DFA matching: ignored\n");
2621          find_match_limit = 0;
2622          }
2623    
2624      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2625      support timing. */      support timing or playing with the match limit or callout data. */
2626    
2627    #if !defined NOPOSIX
2628      if (posix || do_posix)      if (posix || do_posix)
2629        {        {
2630        int rc;        int rc;
2631        int eflags = 0;        int eflags = 0;
2632        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
2633          if (use_size_offsets > 0)
2634            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2635        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2636        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2637          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2638    
2639        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
2640    
2641        if (rc != 0)        if (rc != 0)
2642          {          {
2643          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2644          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2645          }          }
2646          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2647                  != 0)
2648            {
2649            fprintf(outfile, "Matched with REG_NOSUB\n");
2650            }
2651        else        else
2652          {          {
2653          size_t i;          size_t i;
2654          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2655            {            {
2656            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2657              {              {
2658              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2659              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2660                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2661              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2662                if (do_showcaprest || (i == 0 && do_showrest))
2663                  {
2664                  fprintf(outfile, "%2d+ ", (int)i);
2665                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2666                    outfile);
2667                  fprintf(outfile, "\n");
2668                  }
2669              }              }
2670            }            }
2671          }          }
2672          free(pmatch);
2673        }        }
2674    
2675      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
2676    
2677      else      else
2678    #endif  /* !defined NOPOSIX */
2679    
2680        for (;; gmatched++)    /* Loop for /g or /G */
2681        {        {
2682        if (timeit)        markptr = NULL;
2683    
2684          if (timeitm > 0)
2685          {          {
2686          register int i;          register int i;
2687          clock_t time_taken;          clock_t time_taken;
2688          clock_t start_time = clock();          clock_t start_time = clock();
2689          for (i = 0; i < LOOPREPEAT; i++)  
2690            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
2691              size_offsets);          if (all_use_dfa || use_dfa)
2692              {
2693              int workspace[1000];
2694              for (i = 0; i < timeitm; i++)
2695                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2696                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2697                  sizeof(workspace)/sizeof(int));
2698              }
2699            else
2700    #endif
2701    
2702            for (i = 0; i < timeitm; i++)
2703              count = pcre_exec(re, extra, (char *)bptr, len,
2704                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2705    
2706          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2707          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2708            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2709            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2710            }
2711    
2712          /* If find_match_limit is set, we want to do repeated matches with
2713          varying limits in order to find the minimum value for the match limit and
2714          for the recursion limit. The match limits are relevant only to the normal
2715          running of pcre_exec(), so disable the JIT optimization. This makes it
2716          possible to run the same set of tests with and without JIT externally
2717          requested. */
2718    
2719          if (find_match_limit)
2720            {
2721            if (extra == NULL)
2722              {
2723              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2724              extra->flags = 0;
2725              }
2726            else extra->flags &= ~PCRE_EXTRA_EXECUTABLE_JIT;
2727    
2728            (void)check_match_limit(re, extra, bptr, len, start_offset,
2729              options|g_notempty, use_offsets, use_size_offsets,
2730              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2731              PCRE_ERROR_MATCHLIMIT, "match()");
2732    
2733            count = check_match_limit(re, extra, bptr, len, start_offset,
2734              options|g_notempty, use_offsets, use_size_offsets,
2735              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2736              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2737            }
2738    
2739          /* If callout_data is set, use the interface with additional data */
2740    
2741          else if (callout_data_set)
2742            {
2743            if (extra == NULL)
2744              {
2745              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2746              extra->flags = 0;
2747              }
2748            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2749            extra->callout_data = &callout_data;
2750            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2751              options | g_notempty, use_offsets, use_size_offsets);
2752            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2753          }          }
2754    
2755        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* The normal case is just to do the match once, with the default
2756          size_offsets);        value of match_limit. */
2757    
2758    #if !defined NODFA
2759          else if (all_use_dfa || use_dfa)
2760            {
2761            int workspace[1000];
2762            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2763              options | g_notempty, use_offsets, use_size_offsets, workspace,
2764              sizeof(workspace)/sizeof(int));
2765            if (count == 0)
2766              {
2767              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2768              count = use_size_offsets/2;
2769              }
2770            }
2771    #endif
2772    
2773        if (count == 0)        else
2774          {          {
2775          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2776          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2777            if (count == 0)
2778              {
2779              fprintf(outfile, "Matched, but too many substrings\n");
2780              count = use_size_offsets/3;
2781              }
2782          }          }
2783    
2784          /* Matched */
2785    
2786        if (count >= 0)        if (count >= 0)
2787          {          {
2788          int i;          int i, maxcount;
2789          count *= 2;  
2790          for (i = 0; i < count; i += 2)  #if !defined NODFA
2791            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2792    #endif
2793              maxcount = use_size_offsets/3;
2794    
2795            /* This is a check against a lunatic return value. */
2796    
2797            if (count > maxcount)
2798              {
2799              fprintf(outfile,
2800                "** PCRE error: returned count %d is too big for offset size %d\n",
2801                count, use_size_offsets);
2802              count = use_size_offsets/3;
2803              if (do_g || do_G)
2804                {
2805                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2806                do_g = do_G = FALSE;        /* Break g/G loop */
2807                }
2808              }
2809    
2810            /* do_allcaps requests showing of all captures in the pattern, to check
2811            unset ones at the end. */
2812    
2813            if (do_allcaps)
2814              {
2815              new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
2816              count++;   /* Allow for full match */
2817              if (count * 2 > use_size_offsets) count = use_size_offsets/2;
2818              }
2819    
2820            /* Output the captured substrings */
2821    
2822            for (i = 0; i < count * 2; i += 2)
2823            {            {
2824            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2825                {
2826                if (use_offsets[i] != -1)
2827                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2828                    use_offsets[i], i);
2829                if (use_offsets[i+1] != -1)
2830                  fprintf(outfile, "ERROR: bad negative value %d for offset %d\n",
2831                    use_offsets[i+1], i+1);
2832              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2833                }
2834            else            else
2835              {              {
2836              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2837              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2838                  use_offsets[i+1] - use_offsets[i], outfile);
2839                fprintf(outfile, "\n");
2840                if (do_showcaprest || (i == 0 && do_showrest))
2841                  {
2842                  fprintf(outfile, "%2d+ ", i/2);
2843                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2844                    outfile);
2845                  fprintf(outfile, "\n");
2846                  }
2847                }
2848              }
2849    
2850            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2851    
2852            for (i = 0; i < 32; i++)
2853              {
2854              if ((copystrings & (1 << i)) != 0)
2855                {
2856                char copybuffer[256];
2857                int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2858                  i, copybuffer, sizeof(copybuffer));
2859                if (rc < 0)
2860                  fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2861                else
2862                  fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2863                }
2864              }
2865    
2866            for (copynamesptr = copynames;
2867                 *copynamesptr != 0;
2868                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2869              {
2870              char copybuffer[256];
2871              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2872                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2873              if (rc < 0)
2874                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2875              else
2876                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2877              }
2878    
2879            for (i = 0; i < 32; i++)
2880              {
2881              if ((getstrings & (1 << i)) != 0)
2882                {
2883                const char *substring;
2884                int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2885                  i, &substring);
2886                if (rc < 0)
2887                  fprintf(outfile, "get substring %d failed %d\n", i, rc);
2888                else
2889                  {
2890                  fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2891                  pcre_free_substring(substring);
2892                  }
2893                }
2894              }
2895    
2896            for (getnamesptr = getnames;
2897                 *getnamesptr != 0;
2898                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2899              {
2900              const char *substring;
2901              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2902                count, (char *)getnamesptr, &substring);
2903              if (rc < 0)
2904                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2905              else
2906                {
2907                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2908                pcre_free_substring(substring);
2909                }
2910              }
2911    
2912            if (getlist)
2913              {
2914              const char **stringlist;
2915              int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2916                &stringlist);
2917              if (rc < 0)
2918                fprintf(outfile, "get substring list failed %d\n", rc);
2919              else
2920                {
2921                for (i = 0; i < count; i++)
2922                  fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2923                if (stringlist[i] != NULL)
2924                  fprintf(outfile, "string list not terminated by NULL\n");
2925                pcre_free_substring_list(stringlist);
2926                }
2927              }
2928            }
2929    
2930          /* There was a partial match */
2931    
2932          else if (count == PCRE_ERROR_PARTIAL)
2933            {
2934            if (markptr == NULL) fprintf(outfile, "Partial match");
2935              else fprintf(outfile, "Partial match, mark=%s", markptr);
2936            if (use_size_offsets > 1)
2937              {
2938              fprintf(outfile, ": ");
2939              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2940                outfile);
2941              }
2942            fprintf(outfile, "\n");
2943            break;  /* Out of the /g loop */
2944            }
2945    
2946          /* Failed to match. If this is a /g or /G loop and we previously set
2947          g_notempty after a null match, this is not necessarily the end. We want
2948          to advance the start offset, and continue. We won't be at the end of the
2949          string - that was checked before setting g_notempty.
2950    
2951          Complication arises in the case when the newline convention is "any",
2952          "crlf", or "anycrlf". If the previous match was at the end of a line
2953          terminated by CRLF, an advance of one character just passes the \r,
2954          whereas we should prefer the longer newline sequence, as does the code in
2955          pcre_exec(). Fudge the offset value to achieve this. We check for a
2956          newline setting in the pattern; if none was set, use pcre_config() to
2957          find the default.
2958    
2959          Otherwise, in the case of UTF-8 matching, the advance must be one
2960          character, not one byte. */
2961    
2962          else
2963            {
2964            if (g_notempty != 0)
2965              {
2966              int onechar = 1;
2967              unsigned int obits = ((real_pcre *)re)->options;
2968              use_offsets[0] = start_offset;
2969              if ((obits & PCRE_NEWLINE_BITS) == 0)
2970                {
2971                int d;
2972                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2973                /* Note that these values are always the ASCII ones, even in
2974                EBCDIC environments. CR = 13, NL = 10. */
2975                obits = (d == 13)? PCRE_NEWLINE_CR :
2976                        (d == 10)? PCRE_NEWLINE_LF :
2977                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2978                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2979                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2980                }
2981              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2982                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2983                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2984                  &&
2985                  start_offset < len - 1 &&
2986                  bptr[start_offset] == '\r' &&
2987                  bptr[start_offset+1] == '\n')
2988                onechar++;
2989              else if (use_utf8)
2990                {
2991                while (start_offset + onechar < len)
2992                  {
2993                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2994                  onechar++;
2995                  }
2996                }
2997              use_offsets[1] = start_offset + onechar;
2998              }
2999            else
3000              {
3001              switch(count)
3002                {
3003                case PCRE_ERROR_NOMATCH:
3004                if (gmatched == 0)
3005                  {
3006                  if (markptr == NULL) fprintf(outfile, "No match\n");
3007                    else fprintf(outfile, "No match, mark = %s\n", markptr);
3008                  }
3009                break;
3010    
3011                case PCRE_ERROR_BADUTF8:
3012                case PCRE_ERROR_SHORTUTF8:
3013                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
3014                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
3015                if (use_size_offsets >= 2)
3016                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
3017                    use_offsets[1]);
3018              fprintf(outfile, "\n");              fprintf(outfile, "\n");
3019                break;
3020    
3021                default:
3022                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
3023                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
3024                else
3025                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
3026                break;
3027              }              }
3028    
3029              break;  /* Out of the /g loop */
3030            }            }
3031          }          }
3032    
3033          /* If not /g or /G we are done */
3034    
3035          if (!do_g && !do_G) break;
3036    
3037          /* If we have matched an empty string, first check to see if we are at
3038          the end of the subject. If so, the /g loop is over. Otherwise, mimic what
3039          Perl's /g options does. This turns out to be rather cunning. First we set
3040          PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
3041          same point. If this fails (picked up above) we advance to the next
3042          character. */
3043    
3044          g_notempty = 0;
3045    
3046          if (use_offsets[0] == use_offsets[1])
3047            {
3048            if (use_offsets[0] == len) break;
3049            g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
3050            }
3051    
3052          /* For /g, update the start offset, leaving the rest alone */
3053    
3054          if (do_g) start_offset = use_offsets[1];
3055    
3056          /* For /G, update the pointer and length */
3057    
3058        else        else
3059          {          {
3060          if (count == -1) fprintf(outfile, "No match\n");          bptr += use_offsets[1];
3061            else fprintf(outfile, "Error %d\n", count);          len -= use_offsets[1];
3062          }          }
3063        }        }  /* End of loop for /g and /G */
3064      }  
3065        NEXT_DATA: continue;
3066        }    /* End of loop for data lines */
3067    
3068    CONTINUE:    CONTINUE:
3069    
3070    #if !defined NOPOSIX
3071    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
3072    if (re != NULL) free(re);  #endif
3073    if (extra != NULL) free(extra);  
3074    if (tables != NULL)    if (re != NULL) new_free(re);
3075      if (extra != NULL) pcre_free_study(extra);
3076      if (locale_set)
3077      {      {
3078      free((void *)tables);      new_free((void *)tables);
3079      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
3080        locale_set = 0;
3081      }      }
3082      if (jit_stack != NULL)
3083        {
3084        pcre_jit_stack_free(jit_stack);
3085        jit_stack = NULL;
3086        }
3087    }    }
3088    
3089  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
3090  return 0;  
3091    EXIT:
3092    
3093    if (infile != NULL && infile != stdin) fclose(infile);
3094    if (outfile != NULL && outfile != stdout) fclose(outfile);
3095    
3096    free(buffer);
3097    free(dbuffer);
3098    free(pbuffer);
3099    free(offsets);
3100    
3101    return yield;
3102  }  }
3103    
3104  /* End */  /* End of pcretest.c */

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