/[pcre]/code/trunk/pcretest.c
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revision 43 by nigel, Sat Feb 24 21:39:21 2007 UTC revision 604 by ph10, Thu Jun 2 19:04:54 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  /* Use the internal info for displaying the results of pcre_study(). */  /* Not Windows */
89    
90  #include "internal.h"  #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    
97    
98    /* 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_utf8_table1      utf8_table1
116    #define _pcre_utf8_table1_size utf8_table1_size
117    #define _pcre_utf8_table2      utf8_table2
118    #define _pcre_utf8_table3      utf8_table3
119    #define _pcre_utf8_table4      utf8_table4
120    #define _pcre_utt              utt
121    #define _pcre_utt_size         utt_size
122    #define _pcre_utt_names        utt_names
123    #define _pcre_OP_lengths       OP_lengths
124    
125    #include "pcre_tables.c"
126    
127    /* We also need the pcre_printint() function for printing out compiled
128    patterns. This function is in a separate file so that it can be included in
129    pcre_compile.c when that module is compiled with debugging enabled. It needs to
130    know which case is being compiled. */
131    
132    #define COMPILING_PCRETEST
133    #include "pcre_printint.src"
134    
135    /* The definition of the macro PRINTABLE, which determines whether to print an
136    output character as-is or as a hex value when showing compiled patterns, is
137    contained in the printint.src file. We uses it here also, in cases when the
138    locale has not been explicitly changed, so as to get consistent output from
139    systems that differ in their output from isprint() even in the "C" locale. */
140    
141    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
142    
143  /* It is possible to compile this test program without including support for  /* It is possible to compile this test program without including support for
144  testing the POSIX interface, though this is not available via the standard  testing the POSIX interface, though this is not available via the standard
# Line 21  Makefile. */ Line 148  Makefile. */
148  #include "pcreposix.h"  #include "pcreposix.h"
149  #endif  #endif
150    
151    /* It is also possible, for the benefit of the version currently imported into
152    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
153    interface to the DFA matcher (NODFA), and without the doublecheck of the old
154    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
155    UTF8 support if PCRE is built without it. */
156    
157    #ifndef SUPPORT_UTF8
158    #ifndef NOUTF8
159    #define NOUTF8
160    #endif
161    #endif
162    
163    
164    /* Other parameters */
165    
166  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
167  #ifdef CLK_TCK  #ifdef CLK_TCK
168  #define CLOCKS_PER_SEC CLK_TCK  #define CLOCKS_PER_SEC CLK_TCK
# Line 29  Makefile. */ Line 171  Makefile. */
171  #endif  #endif
172  #endif  #endif
173    
174  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
175    
176    #define LOOPREPEAT 500000
177    
178    /* Static variables */
179    
180  static FILE *outfile;  static FILE *outfile;
181  static int log_store = 0;  static int log_store = 0;
182    static int callout_count;
183    static int callout_extra;
184    static int callout_fail_count;
185    static int callout_fail_id;
186    static int debug_lengths;
187    static int first_callout;
188    static int locale_set = 0;
189    static int show_malloc;
190    static int use_utf8;
191  static size_t gotten_store;  static size_t gotten_store;
192    
193    /* The buffers grow automatically if very long input lines are encountered. */
194    
195    static int buffer_size = 50000;
196    static uschar *buffer = NULL;
197    static uschar *dbuffer = NULL;
198    static uschar *pbuffer = NULL;
199    
200    /* Textual explanations for runtime error codes */
201    
202    static const char *errtexts[] = {
203      NULL,  /* 0 is no error */
204      NULL,  /* NOMATCH is handled specially */
205      "NULL argument passed",
206      "bad option value",
207      "magic number missing",
208      "unknown opcode - pattern overwritten?",
209      "no more memory",
210      NULL,  /* never returned by pcre_exec() or pcre_dfa_exec() */
211      "match limit exceeded",
212      "callout error code",
213      NULL,  /* BADUTF8 is handled specially */
214      "bad UTF-8 offset",
215      NULL,  /* PARTIAL is handled specially */
216      "not used - internal error",
217      "internal error - pattern overwritten?",
218      "bad count value",
219      "item unsupported for DFA matching",
220      "backreference condition or recursion test not supported for DFA matching",
221      "match limit not supported for DFA matching",
222      "workspace size exceeded in DFA matching",
223      "too much recursion for DFA matching",
224      "recursion limit exceeded",
225      "not used - internal error",
226      "invalid combination of newline options",
227      "bad offset value",
228      NULL  /* SHORTUTF8 is handled specially */
229    };
230    
231    
232  /* Debugging function to print the internal form of the regex. This is the same  /*************************************************
233  code as contained in pcre.c under the DEBUG macro. */  *         Alternate character tables             *
234    *************************************************/
235    
236  static const char *OP_names[] = {  /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
237    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  using the default tables of the library. However, the T option can be used to
238    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  select alternate sets of tables, for different kinds of testing. Note also that
239    "Opt", "^", "$", "Any", "chars", "not",  the L (locale) option also adjusts the tables. */
240    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
241    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  /* This is the set of tables distributed as default with PCRE. It recognizes
242    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  only ASCII characters. */
243    "*", "*?", "+", "+?", "?", "??", "{", "{",  
244    "class", "Ref", "Recurse",  static const unsigned char tables0[] = {
245    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",  
246    "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",  /* This table is a lower casing table. */
247    "Brazero", "Braminzero", "Bra"  
248        0,  1,  2,  3,  4,  5,  6,  7,
249        8,  9, 10, 11, 12, 13, 14, 15,
250       16, 17, 18, 19, 20, 21, 22, 23,
251       24, 25, 26, 27, 28, 29, 30, 31,
252       32, 33, 34, 35, 36, 37, 38, 39,
253       40, 41, 42, 43, 44, 45, 46, 47,
254       48, 49, 50, 51, 52, 53, 54, 55,
255       56, 57, 58, 59, 60, 61, 62, 63,
256       64, 97, 98, 99,100,101,102,103,
257      104,105,106,107,108,109,110,111,
258      112,113,114,115,116,117,118,119,
259      120,121,122, 91, 92, 93, 94, 95,
260       96, 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      120,121,122,123,124,125,126,127,
264      128,129,130,131,132,133,134,135,
265      136,137,138,139,140,141,142,143,
266      144,145,146,147,148,149,150,151,
267      152,153,154,155,156,157,158,159,
268      160,161,162,163,164,165,166,167,
269      168,169,170,171,172,173,174,175,
270      176,177,178,179,180,181,182,183,
271      184,185,186,187,188,189,190,191,
272      192,193,194,195,196,197,198,199,
273      200,201,202,203,204,205,206,207,
274      208,209,210,211,212,213,214,215,
275      216,217,218,219,220,221,222,223,
276      224,225,226,227,228,229,230,231,
277      232,233,234,235,236,237,238,239,
278      240,241,242,243,244,245,246,247,
279      248,249,250,251,252,253,254,255,
280    
281    /* This table is a case flipping table. */
282    
283        0,  1,  2,  3,  4,  5,  6,  7,
284        8,  9, 10, 11, 12, 13, 14, 15,
285       16, 17, 18, 19, 20, 21, 22, 23,
286       24, 25, 26, 27, 28, 29, 30, 31,
287       32, 33, 34, 35, 36, 37, 38, 39,
288       40, 41, 42, 43, 44, 45, 46, 47,
289       48, 49, 50, 51, 52, 53, 54, 55,
290       56, 57, 58, 59, 60, 61, 62, 63,
291       64, 97, 98, 99,100,101,102,103,
292      104,105,106,107,108,109,110,111,
293      112,113,114,115,116,117,118,119,
294      120,121,122, 91, 92, 93, 94, 95,
295       96, 65, 66, 67, 68, 69, 70, 71,
296       72, 73, 74, 75, 76, 77, 78, 79,
297       80, 81, 82, 83, 84, 85, 86, 87,
298       88, 89, 90,123,124,125,126,127,
299      128,129,130,131,132,133,134,135,
300      136,137,138,139,140,141,142,143,
301      144,145,146,147,148,149,150,151,
302      152,153,154,155,156,157,158,159,
303      160,161,162,163,164,165,166,167,
304      168,169,170,171,172,173,174,175,
305      176,177,178,179,180,181,182,183,
306      184,185,186,187,188,189,190,191,
307      192,193,194,195,196,197,198,199,
308      200,201,202,203,204,205,206,207,
309      208,209,210,211,212,213,214,215,
310      216,217,218,219,220,221,222,223,
311      224,225,226,227,228,229,230,231,
312      232,233,234,235,236,237,238,239,
313      240,241,242,243,244,245,246,247,
314      248,249,250,251,252,253,254,255,
315    
316    /* This table contains bit maps for various character classes. Each map is 32
317    bytes long and the bits run from the least significant end of each byte. The
318    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
319    graph, print, punct, and cntrl. Other classes are built from combinations. */
320    
321      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
322      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
323      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
324      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
325    
326      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
327      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330    
331      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
332      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
333      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
334      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
335    
336      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
337      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
338      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
339      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
340    
341      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
342      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
345    
346      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
347      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
348      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
349      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
350    
351      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
352      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
353      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
354      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
355    
356      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
357      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
358      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
360    
361      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
362      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
365    
366      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
367      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
370    
371    /* This table identifies various classes of character by individual bits:
372      0x01   white space character
373      0x02   letter
374      0x04   decimal digit
375      0x08   hexadecimal digit
376      0x10   alphanumeric or '_'
377      0x80   regular expression metacharacter or binary zero
378    */
379    
380      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
381      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
382      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
383      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
384      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
385      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
386      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
387      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
388      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
389      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
390      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
391      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
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      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
396      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
397      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
398      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
399      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
400      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
401      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
402      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
403      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
404      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
405      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
406      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
407      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
408      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
409      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
410      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
411      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
412    
413    /* This is a set of tables that came orginally from a Windows user. It seems to
414    be at least an approximation of ISO 8859. In particular, there are characters
415    greater than 128 that are marked as spaces, letters, etc. */
416    
417    static const unsigned char tables1[] = {
418    0,1,2,3,4,5,6,7,
419    8,9,10,11,12,13,14,15,
420    16,17,18,19,20,21,22,23,
421    24,25,26,27,28,29,30,31,
422    32,33,34,35,36,37,38,39,
423    40,41,42,43,44,45,46,47,
424    48,49,50,51,52,53,54,55,
425    56,57,58,59,60,61,62,63,
426    64,97,98,99,100,101,102,103,
427    104,105,106,107,108,109,110,111,
428    112,113,114,115,116,117,118,119,
429    120,121,122,91,92,93,94,95,
430    96,97,98,99,100,101,102,103,
431    104,105,106,107,108,109,110,111,
432    112,113,114,115,116,117,118,119,
433    120,121,122,123,124,125,126,127,
434    128,129,130,131,132,133,134,135,
435    136,137,138,139,140,141,142,143,
436    144,145,146,147,148,149,150,151,
437    152,153,154,155,156,157,158,159,
438    160,161,162,163,164,165,166,167,
439    168,169,170,171,172,173,174,175,
440    176,177,178,179,180,181,182,183,
441    184,185,186,187,188,189,190,191,
442    224,225,226,227,228,229,230,231,
443    232,233,234,235,236,237,238,239,
444    240,241,242,243,244,245,246,215,
445    248,249,250,251,252,253,254,223,
446    224,225,226,227,228,229,230,231,
447    232,233,234,235,236,237,238,239,
448    240,241,242,243,244,245,246,247,
449    248,249,250,251,252,253,254,255,
450    0,1,2,3,4,5,6,7,
451    8,9,10,11,12,13,14,15,
452    16,17,18,19,20,21,22,23,
453    24,25,26,27,28,29,30,31,
454    32,33,34,35,36,37,38,39,
455    40,41,42,43,44,45,46,47,
456    48,49,50,51,52,53,54,55,
457    56,57,58,59,60,61,62,63,
458    64,97,98,99,100,101,102,103,
459    104,105,106,107,108,109,110,111,
460    112,113,114,115,116,117,118,119,
461    120,121,122,91,92,93,94,95,
462    96,65,66,67,68,69,70,71,
463    72,73,74,75,76,77,78,79,
464    80,81,82,83,84,85,86,87,
465    88,89,90,123,124,125,126,127,
466    128,129,130,131,132,133,134,135,
467    136,137,138,139,140,141,142,143,
468    144,145,146,147,148,149,150,151,
469    152,153,154,155,156,157,158,159,
470    160,161,162,163,164,165,166,167,
471    168,169,170,171,172,173,174,175,
472    176,177,178,179,180,181,182,183,
473    184,185,186,187,188,189,190,191,
474    224,225,226,227,228,229,230,231,
475    232,233,234,235,236,237,238,239,
476    240,241,242,243,244,245,246,215,
477    248,249,250,251,252,253,254,223,
478    192,193,194,195,196,197,198,199,
479    200,201,202,203,204,205,206,207,
480    208,209,210,211,212,213,214,247,
481    216,217,218,219,220,221,222,255,
482    0,62,0,0,1,0,0,0,
483    0,0,0,0,0,0,0,0,
484    32,0,0,0,1,0,0,0,
485    0,0,0,0,0,0,0,0,
486    0,0,0,0,0,0,255,3,
487    126,0,0,0,126,0,0,0,
488    0,0,0,0,0,0,0,0,
489    0,0,0,0,0,0,0,0,
490    0,0,0,0,0,0,255,3,
491    0,0,0,0,0,0,0,0,
492    0,0,0,0,0,0,12,2,
493    0,0,0,0,0,0,0,0,
494    0,0,0,0,0,0,0,0,
495    254,255,255,7,0,0,0,0,
496    0,0,0,0,0,0,0,0,
497    255,255,127,127,0,0,0,0,
498    0,0,0,0,0,0,0,0,
499    0,0,0,0,254,255,255,7,
500    0,0,0,0,0,4,32,4,
501    0,0,0,128,255,255,127,255,
502    0,0,0,0,0,0,255,3,
503    254,255,255,135,254,255,255,7,
504    0,0,0,0,0,4,44,6,
505    255,255,127,255,255,255,127,255,
506    0,0,0,0,254,255,255,255,
507    255,255,255,255,255,255,255,127,
508    0,0,0,0,254,255,255,255,
509    255,255,255,255,255,255,255,255,
510    0,2,0,0,255,255,255,255,
511    255,255,255,255,255,255,255,127,
512    0,0,0,0,255,255,255,255,
513    255,255,255,255,255,255,255,255,
514    0,0,0,0,254,255,0,252,
515    1,0,0,248,1,0,0,120,
516    0,0,0,0,254,255,255,255,
517    0,0,128,0,0,0,128,0,
518    255,255,255,255,0,0,0,0,
519    0,0,0,0,0,0,0,128,
520    255,255,255,255,0,0,0,0,
521    0,0,0,0,0,0,0,0,
522    128,0,0,0,0,0,0,0,
523    0,1,1,0,1,1,0,0,
524    0,0,0,0,0,0,0,0,
525    0,0,0,0,0,0,0,0,
526    1,0,0,0,128,0,0,0,
527    128,128,128,128,0,0,128,0,
528    28,28,28,28,28,28,28,28,
529    28,28,0,0,0,0,0,128,
530    0,26,26,26,26,26,26,18,
531    18,18,18,18,18,18,18,18,
532    18,18,18,18,18,18,18,18,
533    18,18,18,128,128,0,128,16,
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    18,18,18,128,128,0,0,0,
538    0,0,0,0,0,1,0,0,
539    0,0,0,0,0,0,0,0,
540    0,0,0,0,0,0,0,0,
541    0,0,0,0,0,0,0,0,
542    1,0,0,0,0,0,0,0,
543    0,0,18,0,0,0,0,0,
544    0,0,20,20,0,18,0,0,
545    0,20,18,0,0,0,0,0,
546    18,18,18,18,18,18,18,18,
547    18,18,18,18,18,18,18,18,
548    18,18,18,18,18,18,18,0,
549    18,18,18,18,18,18,18,18,
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  };  };
555    
556    
557  static void print_internals(pcre *re)  
558    
559    #ifndef HAVE_STRERROR
560    /*************************************************
561    *     Provide strerror() for non-ANSI libraries  *
562    *************************************************/
563    
564    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
565    in their libraries, but can provide the same facility by this simple
566    alternative function. */
567    
568    extern int   sys_nerr;
569    extern char *sys_errlist[];
570    
571    char *
572    strerror(int n)
573  {  {
574  unsigned char *code = ((real_pcre *)re)->code;  if (n < 0 || n >= sys_nerr) return "unknown error number";
575    return sys_errlist[n];
576    }
577    #endif /* HAVE_STRERROR */
578    
 fprintf(outfile, "------------------------------------------------------------------\n");  
579    
 for(;;)  
   {  
   int c;  
   int charlength;  
580    
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
581    
582    if (*code >= OP_BRA)  /*************************************************
583    *        Read or extend an input line            *
584    *************************************************/
585    
586    /* Input lines are read into buffer, but both patterns and data lines can be
587    continued over multiple input lines. In addition, if the buffer fills up, we
588    want to automatically expand it so as to be able to handle extremely large
589    lines that are needed for certain stress tests. When the input buffer is
590    expanded, the other two buffers must also be expanded likewise, and the
591    contents of pbuffer, which are a copy of the input for callouts, must be
592    preserved (for when expansion happens for a data line). This is not the most
593    optimal way of handling this, but hey, this is just a test program!
594    
595    Arguments:
596      f            the file to read
597      start        where in buffer to start (this *must* be within buffer)
598      prompt       for stdin or readline()
599    
600    Returns:       pointer to the start of new data
601                   could be a copy of start, or could be moved
602                   NULL if no data read and EOF reached
603    */
604    
605    static uschar *
606    extend_inputline(FILE *f, uschar *start, const char *prompt)
607    {
608    uschar *here = start;
609    
610    for (;;)
611      {
612      int rlen = (int)(buffer_size - (here - buffer));
613    
614      if (rlen > 1000)
615      {      {
616      fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);      int dlen;
     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;  
617    
618        CLASS_REF_REPEAT:      /* If libreadline support is required, use readline() to read a line if the
619        input is a terminal. Note that readline() removes the trailing newline, so
620        we must put it back again, to be compatible with fgets(). */
621    
622        switch(*code)  #ifdef SUPPORT_LIBREADLINE
623          {      if (isatty(fileno(f)))
624          case OP_CRSTAR:        {
625          case OP_CRMINSTAR:        size_t len;
626          case OP_CRPLUS:        char *s = readline(prompt);
627          case OP_CRMINPLUS:        if (s == NULL) return (here == start)? NULL : start;
628          case OP_CRQUERY:        len = strlen(s);
629          case OP_CRMINQUERY:        if (len > 0) add_history(s);
630          fprintf(outfile, "%s", OP_names[*code]);        if (len > rlen - 1) len = rlen - 1;
631          break;        memcpy(here, s, len);
632          here[len] = '\n';
633          here[len+1] = 0;
634          free(s);
635          }
636        else
637    #endif
638    
639          case OP_CRRANGE:      /* Read the next line by normal means, prompting if the file is stdin. */
         case OP_CRMINRANGE:  
         min = (code[1] << 8) + code[2];  
         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;  
640    
641          default:        {
642          code--;        if (f == stdin) printf("%s", prompt);
643          }        if (fgets((char *)here, rlen,  f) == NULL)
644            return (here == start)? NULL : start;
645        }        }
     break;  
646    
647      /* Anything else is just a one-node item */      dlen = (int)strlen((char *)here);
648        if (dlen > 0 && here[dlen - 1] == '\n') return start;
649        here += dlen;
650        }
651    
652      else
653        {
654        int new_buffer_size = 2*buffer_size;
655        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
656        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
657        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
658    
659        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
660          {
661          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
662          exit(1);
663          }
664    
665        memcpy(new_buffer, buffer, buffer_size);
666        memcpy(new_pbuffer, pbuffer, buffer_size);
667    
668        buffer_size = new_buffer_size;
669    
670      default:      start = new_buffer + (start - buffer);
671      fprintf(outfile, "    %s", OP_names[*code]);      here = new_buffer + (here - buffer);
672      break;  
673        free(buffer);
674        free(dbuffer);
675        free(pbuffer);
676    
677        buffer = new_buffer;
678        dbuffer = new_dbuffer;
679        pbuffer = new_pbuffer;
680      }      }
681      }
682    
683    return NULL;  /* Control never gets here */
684    }
685    
686    
687    
688    
689    
690    
691    
692    /*************************************************
693    *          Read number from string               *
694    *************************************************/
695    
696    code++;  /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
697    fprintf(outfile, "\n");  around with conditional compilation, just do the job by hand. It is only used
698    for unpicking arguments, so just keep it simple.
699    
700    Arguments:
701      str           string to be converted
702      endptr        where to put the end pointer
703    
704    Returns:        the unsigned long
705    */
706    
707    static int
708    get_value(unsigned char *str, unsigned char **endptr)
709    {
710    int result = 0;
711    while(*str != 0 && isspace(*str)) str++;
712    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
713    *endptr = str;
714    return(result);
715    }
716    
717    
718    
719    
720    /*************************************************
721    *            Convert UTF-8 string to value       *
722    *************************************************/
723    
724    /* This function takes one or more bytes that represents a UTF-8 character,
725    and returns the value of the character.
726    
727    Argument:
728      utf8bytes   a pointer to the byte vector
729      vptr        a pointer to an int to receive the value
730    
731    Returns:      >  0 => the number of bytes consumed
732                  -6 to 0 => malformed UTF-8 character at offset = (-return)
733    */
734    
735    #if !defined NOUTF8
736    
737    static int
738    utf82ord(unsigned char *utf8bytes, int *vptr)
739    {
740    int c = *utf8bytes++;
741    int d = c;
742    int i, j, s;
743    
744    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
745      {
746      if ((d & 0x80) == 0) break;
747      d <<= 1;
748      }
749    
750    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
751    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
752    
753    /* i now has a value in the range 1-5 */
754    
755    s = 6*i;
756    d = (c & utf8_table3[i]) << s;
757    
758    for (j = 0; j < i; j++)
759      {
760      c = *utf8bytes++;
761      if ((c & 0xc0) != 0x80) return -(j+1);
762      s -= 6;
763      d |= (c & 0x3f) << s;
764    }    }
765    
766    /* Check that encoding was the correct unique one */
767    
768    for (j = 0; j < utf8_table1_size; j++)
769      if (d <= utf8_table1[j]) break;
770    if (j != i) return -(i+1);
771    
772    /* Valid value */
773    
774    *vptr = d;
775    return i+1;
776    }
777    
778    #endif
779    
780    
781    
782    /*************************************************
783    *       Convert character value to UTF-8         *
784    *************************************************/
785    
786    /* This function takes an integer value in the range 0 - 0x7fffffff
787    and encodes it as a UTF-8 character in 0 to 6 bytes.
788    
789    Arguments:
790      cvalue     the character value
791      utf8bytes  pointer to buffer for result - at least 6 bytes long
792    
793    Returns:     number of characters placed in the buffer
794    */
795    
796    #if !defined NOUTF8
797    
798    static int
799    ord2utf8(int cvalue, uschar *utf8bytes)
800    {
801    register int i, j;
802    for (i = 0; i < utf8_table1_size; i++)
803      if (cvalue <= utf8_table1[i]) break;
804    utf8bytes += i;
805    for (j = i; j > 0; j--)
806     {
807     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
808     cvalue >>= 6;
809     }
810    *utf8bytes = utf8_table2[i] | cvalue;
811    return i + 1;
812  }  }
813    
814    #endif
815    
816    
 /* Character string printing function. */  
817    
818  static void pchars(unsigned char *p, int length)  /*************************************************
819    *             Print character string             *
820    *************************************************/
821    
822    /* Character string printing function. Must handle UTF-8 strings in utf8
823    mode. Yields number of characters printed. If handed a NULL file, just counts
824    chars without printing. */
825    
826    static int pchars(unsigned char *p, int length, FILE *f)
827  {  {
828  int c;  int c = 0;
829    int yield = 0;
830    
831  while (length-- > 0)  while (length-- > 0)
832    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);    {
833      else fprintf(outfile, "\\x%02x", c);  #if !defined NOUTF8
834      if (use_utf8)
835        {
836        int rc = utf82ord(p, &c);
837    
838        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
839          {
840          length -= rc - 1;
841          p += rc;
842          if (PRINTHEX(c))
843            {
844            if (f != NULL) fprintf(f, "%c", c);
845            yield++;
846            }
847          else
848            {
849            int n = 4;
850            if (f != NULL) fprintf(f, "\\x{%02x}", c);
851            yield += (n <= 0x000000ff)? 2 :
852                     (n <= 0x00000fff)? 3 :
853                     (n <= 0x0000ffff)? 4 :
854                     (n <= 0x000fffff)? 5 : 6;
855            }
856          continue;
857          }
858        }
859    #endif
860    
861       /* Not UTF-8, or malformed UTF-8  */
862    
863      c = *p++;
864      if (PRINTHEX(c))
865        {
866        if (f != NULL) fprintf(f, "%c", c);
867        yield++;
868        }
869      else
870        {
871        if (f != NULL) fprintf(f, "\\x%02x", c);
872        yield += 4;
873        }
874      }
875    
876    return yield;
877    }
878    
879    
880    
881    /*************************************************
882    *              Callout function                  *
883    *************************************************/
884    
885    /* Called from PCRE as a result of the (?C) item. We print out where we are in
886    the match. Yield zero unless more callouts than the fail count, or the callout
887    data is not zero. */
888    
889    static int callout(pcre_callout_block *cb)
890    {
891    FILE *f = (first_callout | callout_extra)? outfile : NULL;
892    int i, pre_start, post_start, subject_length;
893    
894    if (callout_extra)
895      {
896      fprintf(f, "Callout %d: last capture = %d\n",
897        cb->callout_number, cb->capture_last);
898    
899      for (i = 0; i < cb->capture_top * 2; i += 2)
900        {
901        if (cb->offset_vector[i] < 0)
902          fprintf(f, "%2d: <unset>\n", i/2);
903        else
904          {
905          fprintf(f, "%2d: ", i/2);
906          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
907            cb->offset_vector[i+1] - cb->offset_vector[i], f);
908          fprintf(f, "\n");
909          }
910        }
911      }
912    
913    /* Re-print the subject in canonical form, the first time or if giving full
914    datails. On subsequent calls in the same match, we use pchars just to find the
915    printed lengths of the substrings. */
916    
917    if (f != NULL) fprintf(f, "--->");
918    
919    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
920    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
921      cb->current_position - cb->start_match, f);
922    
923    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
924    
925    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
926      cb->subject_length - cb->current_position, f);
927    
928    if (f != NULL) fprintf(f, "\n");
929    
930    /* Always print appropriate indicators, with callout number if not already
931    shown. For automatic callouts, show the pattern offset. */
932    
933    if (cb->callout_number == 255)
934      {
935      fprintf(outfile, "%+3d ", cb->pattern_position);
936      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
937      }
938    else
939      {
940      if (callout_extra) fprintf(outfile, "    ");
941        else fprintf(outfile, "%3d ", cb->callout_number);
942      }
943    
944    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
945    fprintf(outfile, "^");
946    
947    if (post_start > 0)
948      {
949      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
950      fprintf(outfile, "^");
951      }
952    
953    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
954      fprintf(outfile, " ");
955    
956    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
957      pbuffer + cb->pattern_position);
958    
959    fprintf(outfile, "\n");
960    first_callout = 0;
961    
962    if (cb->callout_data != NULL)
963      {
964      int callout_data = *((int *)(cb->callout_data));
965      if (callout_data != 0)
966        {
967        fprintf(outfile, "Callout data = %d\n", callout_data);
968        return callout_data;
969        }
970      }
971    
972    return (cb->callout_number != callout_fail_id)? 0 :
973           (++callout_count >= callout_fail_count)? 1 : 0;
974  }  }
975    
976    
977    /*************************************************
978    *            Local malloc functions              *
979    *************************************************/
980    
981  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
982  compiled re. */  compiled re. */
983    
984  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
985  {  {
986    void *block = malloc(size);
987  gotten_store = size;  gotten_store = size;
988  if (log_store)  if (show_malloc)
989    fprintf(outfile, "Memory allocation (code space): %d\n",    fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
990      (int)((int)size - offsetof(real_pcre, code[0])));  return block;
991  return malloc(size);  }
992    
993    static void new_free(void *block)
994    {
995    if (show_malloc)
996      fprintf(outfile, "free             %p\n", block);
997    free(block);
998  }  }
999    
1000    
1001    /* For recursion malloc/free, to test stacking calls */
1002    
1003    static void *stack_malloc(size_t size)
1004    {
1005    void *block = malloc(size);
1006    if (show_malloc)
1007      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
1008    return block;
1009    }
1010    
1011    static void stack_free(void *block)
1012    {
1013    if (show_malloc)
1014      fprintf(outfile, "stack_free       %p\n", block);
1015    free(block);
1016    }
1017    
1018    
1019    /*************************************************
1020    *          Call pcre_fullinfo()                  *
1021    *************************************************/
1022    
1023  /* Get one piece of information from the pcre_fullinfo() function */  /* Get one piece of information from the pcre_fullinfo() function */
1024    
# Line 303  if ((rc = pcre_fullinfo(re, study, optio Line 1031  if ((rc = pcre_fullinfo(re, study, optio
1031    
1032    
1033    
1034    /*************************************************
1035    *         Byte flipping function                 *
1036    *************************************************/
1037    
1038    static unsigned long int
1039    byteflip(unsigned long int value, int n)
1040    {
1041    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1042    return ((value & 0x000000ff) << 24) |
1043           ((value & 0x0000ff00) <<  8) |
1044           ((value & 0x00ff0000) >>  8) |
1045           ((value & 0xff000000) >> 24);
1046    }
1047    
1048    
1049    
1050    
1051    /*************************************************
1052    *        Check match or recursion limit          *
1053    *************************************************/
1054    
1055    static int
1056    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1057      int start_offset, int options, int *use_offsets, int use_size_offsets,
1058      int flag, unsigned long int *limit, int errnumber, const char *msg)
1059    {
1060    int count;
1061    int min = 0;
1062    int mid = 64;
1063    int max = -1;
1064    
1065    extra->flags |= flag;
1066    
1067    for (;;)
1068      {
1069      *limit = mid;
1070    
1071      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1072        use_offsets, use_size_offsets);
1073    
1074      if (count == errnumber)
1075        {
1076        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1077        min = mid;
1078        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1079        }
1080    
1081      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1082                             count == PCRE_ERROR_PARTIAL)
1083        {
1084        if (mid == min + 1)
1085          {
1086          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1087          break;
1088          }
1089        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1090        max = mid;
1091        mid = (min + mid)/2;
1092        }
1093      else break;    /* Some other error */
1094      }
1095    
1096    extra->flags &= ~flag;
1097    return count;
1098    }
1099    
1100    
1101    
1102    /*************************************************
1103    *         Case-independent strncmp() function    *
1104    *************************************************/
1105    
1106    /*
1107    Arguments:
1108      s         first string
1109      t         second string
1110      n         number of characters to compare
1111    
1112    Returns:    < 0, = 0, or > 0, according to the comparison
1113    */
1114    
1115    static int
1116    strncmpic(uschar *s, uschar *t, int n)
1117    {
1118    while (n--)
1119      {
1120      int c = tolower(*s++) - tolower(*t++);
1121      if (c) return c;
1122      }
1123    return 0;
1124    }
1125    
1126    
1127    
1128    /*************************************************
1129    *         Check newline indicator                *
1130    *************************************************/
1131    
1132    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1133    a message and return 0 if there is no match.
1134    
1135    Arguments:
1136      p           points after the leading '<'
1137      f           file for error message
1138    
1139    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1140    */
1141    
1142    static int
1143    check_newline(uschar *p, FILE *f)
1144    {
1145    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1146    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1147    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1148    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1149    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1150    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1151    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1152    fprintf(f, "Unknown newline type at: <%s\n", p);
1153    return 0;
1154    }
1155    
1156    
1157    
1158    /*************************************************
1159    *             Usage function                     *
1160    *************************************************/
1161    
1162    static void
1163    usage(void)
1164    {
1165    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1166    printf("Input and output default to stdin and stdout.\n");
1167    #ifdef SUPPORT_LIBREADLINE
1168    printf("If input is a terminal, readline() is used to read from it.\n");
1169    #else
1170    printf("This version of pcretest is not linked with readline().\n");
1171    #endif
1172    printf("\nOptions:\n");
1173    printf("  -b       show compiled code (bytecode)\n");
1174    printf("  -C       show PCRE compile-time options and exit\n");
1175    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1176    #if !defined NODFA
1177    printf("  -dfa     force DFA matching for all subjects\n");
1178    #endif
1179    printf("  -help    show usage information\n");
1180    printf("  -i       show information about compiled patterns\n"
1181           "  -M       find MATCH_LIMIT minimum for each subject\n"
1182           "  -m       output memory used information\n"
1183           "  -o <n>   set size of offsets vector to <n>\n");
1184    #if !defined NOPOSIX
1185    printf("  -p       use POSIX interface\n");
1186    #endif
1187    printf("  -q       quiet: do not output PCRE version number at start\n");
1188    printf("  -S <n>   set stack size to <n> megabytes\n");
1189    printf("  -s       output store (memory) used information\n"
1190           "  -t       time compilation and execution\n");
1191    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1192    printf("  -tm      time execution (matching) only\n");
1193    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1194    }
1195    
1196    
1197    
1198    /*************************************************
1199    *                Main Program                    *
1200    *************************************************/
1201    
1202  /* 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
1203  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
# Line 313  int main(int argc, char **argv) Line 1208  int main(int argc, char **argv)
1208  FILE *infile = stdin;  FILE *infile = stdin;
1209  int options = 0;  int options = 0;
1210  int study_options = 0;  int study_options = 0;
1211    int default_find_match_limit = FALSE;
1212  int op = 1;  int op = 1;
1213  int timeit = 0;  int timeit = 0;
1214    int timeitm = 0;
1215  int showinfo = 0;  int showinfo = 0;
1216  int showstore = 0;  int showstore = 0;
1217    int quiet = 0;
1218    int size_offsets = 45;
1219    int size_offsets_max;
1220    int *offsets = NULL;
1221    #if !defined NOPOSIX
1222  int posix = 0;  int posix = 0;
1223    #endif
1224  int debug = 0;  int debug = 0;
1225  int done = 0;  int done = 0;
1226  unsigned char buffer[30000];  int all_use_dfa = 0;
1227  unsigned char dbuffer[1024];  int yield = 0;
1228    int stack_size;
1229    
1230    /* These vectors store, end-to-end, a list of captured substring names. Assume
1231    that 1024 is plenty long enough for the few names we'll be testing. */
1232    
1233    uschar copynames[1024];
1234    uschar getnames[1024];
1235    
1236  /* Static so that new_malloc can use it. */  uschar *copynamesptr;
1237    uschar *getnamesptr;
1238    
1239    /* Get buffers from malloc() so that Electric Fence will check their misuse
1240    when I am debugging. They grow automatically when very long lines are read. */
1241    
1242    buffer = (unsigned char *)malloc(buffer_size);
1243    dbuffer = (unsigned char *)malloc(buffer_size);
1244    pbuffer = (unsigned char *)malloc(buffer_size);
1245    
1246    /* The outfile variable is static so that new_malloc can use it. */
1247    
1248  outfile = stdout;  outfile = stdout;
1249    
1250    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1251    library to translate CRLF into a single LF character. At least, that's what
1252    I've been told: never having used Windows I take this all on trust. Originally
1253    it set 0x8000, but then I was advised that _O_BINARY was better. */
1254    
1255    #if defined(_WIN32) || defined(WIN32)
1256    _setmode( _fileno( stdout ), _O_BINARY );
1257    #endif
1258    
1259  /* Scan options */  /* Scan options */
1260    
1261  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1262    {    {
1263      unsigned char *endptr;
1264    
1265    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
1266      showstore = 1;      showstore = 1;
1267    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1268      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1269    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1270    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1271      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1272    #if !defined NODFA
1273      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1274    #endif
1275      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1276          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1277            *endptr == 0))
1278        {
1279        op++;
1280        argc--;
1281        }
1282      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1283        {
1284        int both = argv[op][2] == 0;
1285        int temp;
1286        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1287                         *endptr == 0))
1288          {
1289          timeitm = temp;
1290          op++;
1291          argc--;
1292          }
1293        else timeitm = LOOPREPEAT;
1294        if (both) timeit = timeitm;
1295        }
1296      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1297          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1298            *endptr == 0))
1299        {
1300    #if defined(_WIN32) || defined(WIN32)
1301        printf("PCRE: -S not supported on this OS\n");
1302        exit(1);
1303    #else
1304        int rc;
1305        struct rlimit rlim;
1306        getrlimit(RLIMIT_STACK, &rlim);
1307        rlim.rlim_cur = stack_size * 1024 * 1024;
1308        rc = setrlimit(RLIMIT_STACK, &rlim);
1309        if (rc != 0)
1310          {
1311        printf("PCRE: setrlimit() failed with error %d\n", rc);
1312        exit(1);
1313          }
1314        op++;
1315        argc--;
1316    #endif
1317        }
1318    #if !defined NOPOSIX
1319    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1320    #endif
1321      else if (strcmp(argv[op], "-C") == 0)
1322        {
1323        int rc;
1324        unsigned long int lrc;
1325        printf("PCRE version %s\n", pcre_version());
1326        printf("Compiled with\n");
1327        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1328        printf("  %sUTF-8 support\n", rc? "" : "No ");
1329        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1330        printf("  %sUnicode properties support\n", rc? "" : "No ");
1331        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1332        /* Note that these values are always the ASCII values, even
1333        in EBCDIC environments. CR is 13 and NL is 10. */
1334        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1335          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1336          (rc == -2)? "ANYCRLF" :
1337          (rc == -1)? "ANY" : "???");
1338        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1339        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1340                                         "all Unicode newlines");
1341        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1342        printf("  Internal link size = %d\n", rc);
1343        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1344        printf("  POSIX malloc threshold = %d\n", rc);
1345        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1346        printf("  Default match limit = %ld\n", lrc);
1347        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1348        printf("  Default recursion depth limit = %ld\n", lrc);
1349        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1350        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1351        goto EXIT;
1352        }
1353      else if (strcmp(argv[op], "-help") == 0 ||
1354               strcmp(argv[op], "--help") == 0)
1355        {
1356        usage();
1357        goto EXIT;
1358        }
1359    else    else
1360      {      {
1361      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1362      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1363      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1364             "  -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;  
1365      }      }
1366    op++;    op++;
1367    argc--;    argc--;
1368    }    }
1369    
1370    /* Get the store for the offsets vector, and remember what it was */
1371    
1372    size_offsets_max = size_offsets;
1373    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1374    if (offsets == NULL)
1375      {
1376      printf("** Failed to get %d bytes of memory for offsets vector\n",
1377        (int)(size_offsets_max * sizeof(int)));
1378      yield = 1;
1379      goto EXIT;
1380      }
1381    
1382  /* Sort out the input and output files */  /* Sort out the input and output files */
1383    
1384  if (argc > 1)  if (argc > 1)
1385    {    {
1386    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1387    if (infile == NULL)    if (infile == NULL)
1388      {      {
1389      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1390      return 1;      yield = 1;
1391        goto EXIT;
1392      }      }
1393    }    }
1394    
1395  if (argc > 2)  if (argc > 2)
1396    {    {
1397    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1398    if (outfile == NULL)    if (outfile == NULL)
1399      {      {
1400      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1401      return 1;      yield = 1;
1402        goto EXIT;
1403      }      }
1404    }    }
1405    
1406  /* Set alternative malloc function */  /* Set alternative malloc function */
1407    
1408  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1409    pcre_free = new_free;
1410    pcre_stack_malloc = stack_malloc;
1411    pcre_stack_free = stack_free;
1412    
1413  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1414    
1415  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1416    
1417  /* Main loop */  /* Main loop */
1418    
# Line 391  while (!done) Line 1423  while (!done)
1423    
1424  #if !defined NOPOSIX  /* There are still compilers that require no indent */  #if !defined NOPOSIX  /* There are still compilers that require no indent */
1425    regex_t preg;    regex_t preg;
1426      int do_posix = 0;
1427  #endif  #endif
1428    
1429    const char *error;    const char *error;
1430      unsigned char *markptr;
1431    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1432    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1433      const unsigned char *tables = NULL;
1434      unsigned long int true_size, true_study_size = 0;
1435      size_t size, regex_gotten_store;
1436      int do_mark = 0;
1437    int do_study = 0;    int do_study = 0;
1438    int do_debug = debug;    int do_debug = debug;
1439    int do_G = 0;    int do_G = 0;
1440    int do_g = 0;    int do_g = 0;
1441    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1442    int do_showrest = 0;    int do_showrest = 0;
1443    int do_posix = 0;    int do_flip = 0;
1444    int erroroffset, len, delimiter;    int erroroffset, len, delimiter, poffset;
1445    
1446    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1447    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1448    
1449      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1450    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1451      fflush(outfile);
1452    
1453    p = buffer;    p = buffer;
1454    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1455    if (*p == 0) continue;    if (*p == 0) continue;
1456    
1457    /* 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. */
1458    complete, read more. */  
1459      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1460        {
1461        unsigned long int magic, get_options;
1462        uschar sbuf[8];
1463        FILE *f;
1464    
1465        p++;
1466        pp = p + (int)strlen((char *)p);
1467        while (isspace(pp[-1])) pp--;
1468        *pp = 0;
1469    
1470        f = fopen((char *)p, "rb");
1471        if (f == NULL)
1472          {
1473          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1474          continue;
1475          }
1476    
1477        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1478    
1479        true_size =
1480          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1481        true_study_size =
1482          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1483    
1484        re = (real_pcre *)new_malloc(true_size);
1485        regex_gotten_store = gotten_store;
1486    
1487        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1488    
1489        magic = ((real_pcre *)re)->magic_number;
1490        if (magic != MAGIC_NUMBER)
1491          {
1492          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1493            {
1494            do_flip = 1;
1495            }
1496          else
1497            {
1498            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1499            fclose(f);
1500            continue;
1501            }
1502          }
1503    
1504        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1505          do_flip? " (byte-inverted)" : "", p);
1506    
1507        /* Need to know if UTF-8 for printing data strings */
1508    
1509        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1510        use_utf8 = (get_options & PCRE_UTF8) != 0;
1511    
1512        /* Now see if there is any following study data */
1513    
1514        if (true_study_size != 0)
1515          {
1516          pcre_study_data *psd;
1517    
1518          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1519          extra->flags = PCRE_EXTRA_STUDY_DATA;
1520    
1521          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1522          extra->study_data = psd;
1523    
1524          if (fread(psd, 1, true_study_size, f) != true_study_size)
1525            {
1526            FAIL_READ:
1527            fprintf(outfile, "Failed to read data from %s\n", p);
1528            if (extra != NULL) new_free(extra);
1529            if (re != NULL) new_free(re);
1530            fclose(f);
1531            continue;
1532            }
1533          fprintf(outfile, "Study data loaded from %s\n", p);
1534          do_study = 1;     /* To get the data output if requested */
1535          }
1536        else fprintf(outfile, "No study data\n");
1537    
1538        fclose(f);
1539        goto SHOW_INFO;
1540        }
1541    
1542      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1543      the pattern; if is isn't complete, read more. */
1544    
1545    delimiter = *p++;    delimiter = *p++;
1546    
1547    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1548      {      {
1549      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1550      goto SKIP_DATA;      goto SKIP_DATA;
1551      }      }
1552    
1553    pp = p;    pp = p;
1554      poffset = (int)(p - buffer);
1555    
1556    for(;;)    for(;;)
1557      {      {
# Line 435  while (!done) Line 1562  while (!done)
1562        pp++;        pp++;
1563        }        }
1564      if (*pp != 0) break;      if (*pp != 0) break;
1565        if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
       {  
       fprintf(outfile, "** Expression too long - missing delimiter?\n");  
       goto SKIP_DATA;  
       }  
   
     if (infile == stdin) printf("    > ");  
     if (fgets((char *)pp, len, infile) == NULL)  
1566        {        {
1567        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1568        done = 1;        done = 1;
# Line 453  while (!done) Line 1571  while (!done)
1571      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1572      }      }
1573    
1574      /* The buffer may have moved while being extended; reset the start of data
1575      pointer to the correct relative point in the buffer. */
1576    
1577      p = buffer + poffset;
1578    
1579    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1580    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1581    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1582    
1583    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1584    
1585    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1586      for callouts. */
1587    
1588    *pp++ = 0;    *pp++ = 0;
1589      strcpy((char *)pbuffer, (char *)p);
1590    
1591    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1592    
# Line 473  while (!done) Line 1598  while (!done)
1598      {      {
1599      switch (*pp++)      switch (*pp++)
1600        {        {
1601          case 'f': options |= PCRE_FIRSTLINE; break;
1602        case 'g': do_g = 1; break;        case 'g': do_g = 1; break;
1603        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1604        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
# Line 481  while (!done) Line 1607  while (!done)
1607    
1608        case '+': do_showrest = 1; break;        case '+': do_showrest = 1; break;
1609        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1610          case 'B': do_debug = 1; break;
1611          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1612        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1613        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1614          case 'F': do_flip = 1; break;
1615        case 'G': do_G = 1; break;        case 'G': do_G = 1; break;
1616        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1617          case 'J': options |= PCRE_DUPNAMES; break;
1618          case 'K': do_mark = 1; break;
1619        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1620          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1621    
1622  #if !defined NOPOSIX  #if !defined NOPOSIX
1623        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
# Line 493  while (!done) Line 1625  while (!done)
1625    
1626        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1627        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1628          case 'W': options |= PCRE_UCP; break;
1629        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1630          case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1631          case 'Z': debug_lengths = 0; break;
1632          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1633          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1634    
1635          case 'T':
1636          switch (*pp++)
1637            {
1638            case '0': tables = tables0; break;
1639            case '1': tables = tables1; break;
1640    
1641            case '\r':
1642            case '\n':
1643            case ' ':
1644            case 0:
1645            fprintf(outfile, "** Missing table number after /T\n");
1646            goto SKIP_DATA;
1647    
1648            default:
1649            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1650            goto SKIP_DATA;
1651            }
1652          break;
1653    
1654        case 'L':        case 'L':
1655        ppp = pp;        ppp = pp;
1656        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1657          /* The '0' test is just in case this is an unterminated line. */
1658          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1659        *ppp = 0;        *ppp = 0;
1660        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1661          {          {
1662          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1663          goto SKIP_DATA;          goto SKIP_DATA;
1664          }          }
1665          locale_set = 1;
1666        tables = pcre_maketables();        tables = pcre_maketables();
1667        pp = ppp;        pp = ppp;
1668        break;        break;
1669    
1670        case '\n': case ' ': break;        case '>':
1671          to_file = pp;
1672          while (*pp != 0) pp++;
1673          while (isspace(pp[-1])) pp--;
1674          *pp = 0;
1675          break;
1676    
1677          case '<':
1678            {
1679            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1680              {
1681              options |= PCRE_JAVASCRIPT_COMPAT;
1682              pp += 3;
1683              }
1684            else
1685              {
1686              int x = check_newline(pp, outfile);
1687              if (x == 0) goto SKIP_DATA;
1688              options |= x;
1689              while (*pp++ != '>');
1690              }
1691            }
1692          break;
1693    
1694          case '\r':                      /* So that it works in Windows */
1695          case '\n':
1696          case ' ':
1697          break;
1698    
1699        default:        default:
1700        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1701        goto SKIP_DATA;        goto SKIP_DATA;
# Line 524  while (!done) Line 1711  while (!done)
1711      {      {
1712      int rc;      int rc;
1713      int cflags = 0;      int cflags = 0;
1714    
1715      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1716      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1717        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1718        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1719        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1720        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1721        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1722    
1723      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1724    
1725      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 533  while (!done) Line 1727  while (!done)
1727    
1728      if (rc != 0)      if (rc != 0)
1729        {        {
1730        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1731        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1732        goto SKIP_DATA;        goto SKIP_DATA;
1733        }        }
# Line 545  while (!done) Line 1739  while (!done)
1739  #endif  /* !defined NOPOSIX */  #endif  /* !defined NOPOSIX */
1740    
1741      {      {
1742      if (timeit)      unsigned long int get_options;
1743    
1744        if (timeit > 0)
1745        {        {
1746        register int i;        register int i;
1747        clock_t time_taken;        clock_t time_taken;
1748        clock_t start_time = clock();        clock_t start_time = clock();
1749        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1750          {          {
1751          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1752          if (re != NULL) free(re);          if (re != NULL) free(re);
1753          }          }
1754        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1755        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1756          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1757          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1758        }        }
1759    
1760      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 574  while (!done) Line 1770  while (!done)
1770          {          {
1771          for (;;)          for (;;)
1772            {            {
1773            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1774              {              {
1775              done = 1;              done = 1;
1776              goto CONTINUE;              goto CONTINUE;
# Line 588  while (!done) Line 1784  while (!done)
1784        goto CONTINUE;        goto CONTINUE;
1785        }        }
1786    
1787      /* Compilation succeeded; print data if required. There are now two      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1788      info-returning functions. The old one has a limited interface and      within the regex; check for this so that we know how to process the data
1789      returns only limited data. Check that it agrees with the newer one. */      lines. */
1790    
1791        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1792        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1793    
1794        /* Print information if required. There are now two info-returning
1795        functions. The old one has a limited interface and returns only limited
1796        data. Check that it agrees with the newer one. */
1797    
1798        if (log_store)
1799          fprintf(outfile, "Memory allocation (code space): %d\n",
1800            (int)(gotten_store -
1801                  sizeof(real_pcre) -
1802                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1803    
1804        /* Extract the size for possible writing before possibly flipping it,
1805        and remember the store that was got. */
1806    
1807        true_size = ((real_pcre *)re)->size;
1808        regex_gotten_store = gotten_store;
1809    
1810        /* If /S was present, study the regexp to generate additional info to
1811        help with the matching. */
1812    
1813        if (do_study)
1814          {
1815          if (timeit > 0)
1816            {
1817            register int i;
1818            clock_t time_taken;
1819            clock_t start_time = clock();
1820            for (i = 0; i < timeit; i++)
1821              extra = pcre_study(re, study_options, &error);
1822            time_taken = clock() - start_time;
1823            if (extra != NULL) free(extra);
1824            fprintf(outfile, "  Study time %.4f milliseconds\n",
1825              (((double)time_taken * 1000.0) / (double)timeit) /
1826                (double)CLOCKS_PER_SEC);
1827            }
1828          extra = pcre_study(re, study_options, &error);
1829          if (error != NULL)
1830            fprintf(outfile, "Failed to study: %s\n", error);
1831          else if (extra != NULL)
1832            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1833          }
1834    
1835        /* If /K was present, we set up for handling MARK data. */
1836    
1837        if (do_mark)
1838          {
1839          if (extra == NULL)
1840            {
1841            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1842            extra->flags = 0;
1843            }
1844          extra->mark = &markptr;
1845          extra->flags |= PCRE_EXTRA_MARK;
1846          }
1847    
1848        /* If the 'F' option was present, we flip the bytes of all the integer
1849        fields in the regex data block and the study block. This is to make it
1850        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1851        compiled on a different architecture. */
1852    
1853        if (do_flip)
1854          {
1855          real_pcre *rre = (real_pcre *)re;
1856          rre->magic_number =
1857            byteflip(rre->magic_number, sizeof(rre->magic_number));
1858          rre->size = byteflip(rre->size, sizeof(rre->size));
1859          rre->options = byteflip(rre->options, sizeof(rre->options));
1860          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1861          rre->top_bracket =
1862            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1863          rre->top_backref =
1864            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1865          rre->first_byte =
1866            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1867          rre->req_byte =
1868            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1869          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1870            sizeof(rre->name_table_offset));
1871          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1872            sizeof(rre->name_entry_size));
1873          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1874            sizeof(rre->name_count));
1875    
1876          if (extra != NULL)
1877            {
1878            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1879            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1880            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1881            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1882            }
1883          }
1884    
1885        /* Extract information from the compiled data if required */
1886    
1887        SHOW_INFO:
1888    
1889        if (do_debug)
1890          {
1891          fprintf(outfile, "------------------------------------------------------------------\n");
1892          pcre_printint(re, outfile, debug_lengths);
1893          }
1894    
1895        /* We already have the options in get_options (see above) */
1896    
1897      if (do_showinfo)      if (do_showinfo)
1898        {        {
1899          unsigned long int all_options;
1900    #if !defined NOINFOCHECK
1901        int old_first_char, old_options, old_count;        int old_first_char, old_options, old_count;
1902        int count, backrefmax, first_char, need_char;  #endif
1903        size_t size;        int count, backrefmax, first_char, need_char, okpartial, jchanged,
1904            hascrorlf;
1905        if (do_debug) print_internals(re);        int nameentrysize, namecount;
1906          const uschar *nametable;
1907    
       new_info(re, NULL, PCRE_INFO_OPTIONS, &options);  
1908        new_info(re, NULL, PCRE_INFO_SIZE, &size);        new_info(re, NULL, PCRE_INFO_SIZE, &size);
1909        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1910        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1911        new_info(re, NULL, PCRE_INFO_FIRSTCHAR, &first_char);        new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1912        new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);        new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1913          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1914          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1915          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1916          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1917          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1918          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1919    
1920    #if !defined NOINFOCHECK
1921        old_count = pcre_info(re, &old_options, &old_first_char);        old_count = pcre_info(re, &old_options, &old_first_char);
1922        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1923          "Error %d from pcre_info()\n", count);          "Error %d from pcre_info()\n", count);
# Line 620  while (!done) Line 1931  while (!done)
1931            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1932              first_char, old_first_char);              first_char, old_first_char);
1933    
1934          if (old_options != options) fprintf(outfile,          if (old_options != (int)get_options) fprintf(outfile,
1935            "Options disagreement: pcre_fullinfo=%d pcre_info=%d\n", options,            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1936              old_options);              get_options, old_options);
1937          }          }
1938    #endif
1939    
1940        if (size != gotten_store) fprintf(outfile,        if (size != regex_gotten_store) fprintf(outfile,
1941          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1942          size, gotten_store);          (int)size, (int)regex_gotten_store);
1943    
1944        fprintf(outfile, "Capturing subpattern count = %d\n", count);        fprintf(outfile, "Capturing subpattern count = %d\n", count);
1945        if (backrefmax > 0)        if (backrefmax > 0)
1946          fprintf(outfile, "Max back reference = %d\n", backrefmax);          fprintf(outfile, "Max back reference = %d\n", backrefmax);
       if (options == 0) fprintf(outfile, "No options\n");  
         else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",  
           ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
           ((options & PCRE_CASELESS) != 0)? " caseless" : "",  
           ((options & PCRE_EXTENDED) != 0)? " extended" : "",  
           ((options & PCRE_MULTILINE) != 0)? " multiline" : "",  
           ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
           ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",  
           ((options & PCRE_EXTRA) != 0)? " extra" : "",  
           ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");  
1947    
1948        if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)        if (namecount > 0)
1949          fprintf(outfile, "Case state changes\n");          {
1950            fprintf(outfile, "Named capturing subpatterns:\n");
1951            while (namecount-- > 0)
1952              {
1953              fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1954                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1955                GET2(nametable, 0));
1956              nametable += nameentrysize;
1957              }
1958            }
1959    
1960          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1961          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1962    
1963          all_options = ((real_pcre *)re)->options;
1964          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1965    
1966          if (get_options == 0) fprintf(outfile, "No options\n");
1967            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1968              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1969              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1970              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1971              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1972              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1973              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1974              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1975              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1976              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1977              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1978              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1979              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1980              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1981              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
1982              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1983              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
1984              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1985    
1986          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1987    
1988          switch (get_options & PCRE_NEWLINE_BITS)
1989            {
1990            case PCRE_NEWLINE_CR:
1991            fprintf(outfile, "Forced newline sequence: CR\n");
1992            break;
1993    
1994            case PCRE_NEWLINE_LF:
1995            fprintf(outfile, "Forced newline sequence: LF\n");
1996            break;
1997    
1998            case PCRE_NEWLINE_CRLF:
1999            fprintf(outfile, "Forced newline sequence: CRLF\n");
2000            break;
2001    
2002            case PCRE_NEWLINE_ANYCRLF:
2003            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
2004            break;
2005    
2006            case PCRE_NEWLINE_ANY:
2007            fprintf(outfile, "Forced newline sequence: ANY\n");
2008            break;
2009    
2010            default:
2011            break;
2012            }
2013    
2014        if (first_char == -1)        if (first_char == -1)
2015          {          {
2016          fprintf(outfile, "First char at start or follows \\n\n");          fprintf(outfile, "First char at start or follows newline\n");
2017          }          }
2018        else if (first_char < 0)        else if (first_char < 0)
2019          {          {
# Line 656  while (!done) Line 2021  while (!done)
2021          }          }
2022        else        else
2023          {          {
2024          if (isprint(first_char))          int ch = first_char & 255;
2025            fprintf(outfile, "First char = \'%c\'\n", first_char);          const char *caseless = ((first_char & REQ_CASELESS) == 0)?
2026              "" : " (caseless)";
2027            if (PRINTHEX(ch))
2028              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
2029          else          else
2030            fprintf(outfile, "First char = %d\n", first_char);            fprintf(outfile, "First char = %d%s\n", ch, caseless);
2031          }          }
2032    
2033        if (need_char < 0)        if (need_char < 0)
# Line 668  while (!done) Line 2036  while (!done)
2036          }          }
2037        else        else
2038          {          {
2039          if (isprint(need_char))          int ch = need_char & 255;
2040            fprintf(outfile, "Need char = \'%c\'\n", need_char);          const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2041              "" : " (caseless)";
2042            if (PRINTHEX(ch))
2043              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2044          else          else
2045            fprintf(outfile, "Need char = %d\n", need_char);            fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2046          }          }
       }  
2047    
2048      /* If /S was present, study the regexp to generate additional info to        /* Don't output study size; at present it is in any case a fixed
2049      help with the matching. */        value, but it varies, depending on the computer architecture, and
2050          so messes up the test suite. (And with the /F option, it might be
2051          flipped.) */
2052    
2053      if (do_study)        if (do_study)
       {  
       if (timeit)  
2054          {          {
2055          register int i;          if (extra == NULL)
2056          clock_t time_taken;            fprintf(outfile, "Study returned NULL\n");
2057          clock_t start_time = clock();          else
2058          for (i = 0; i < LOOPREPEAT; i++)            {
2059            extra = pcre_study(re, study_options, &error);            uschar *start_bits = NULL;
2060          time_taken = clock() - start_time;            int minlength;
2061          if (extra != NULL) free(extra);  
2062          fprintf(outfile, "  Study time %.3f milliseconds\n",            new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2063            ((double)time_taken * 1000.0)/            fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2064            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));  
2065              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2066              if (start_bits == NULL)
2067                fprintf(outfile, "No set of starting bytes\n");
2068              else
2069                {
2070                int i;
2071                int c = 24;
2072                fprintf(outfile, "Starting byte set: ");
2073                for (i = 0; i < 256; i++)
2074                  {
2075                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2076                    {
2077                    if (c > 75)
2078                      {
2079                      fprintf(outfile, "\n  ");
2080                      c = 2;
2081                      }
2082                    if (PRINTHEX(i) && i != ' ')
2083                      {
2084                      fprintf(outfile, "%c ", i);
2085                      c += 2;
2086                      }
2087                    else
2088                      {
2089                      fprintf(outfile, "\\x%02x ", i);
2090                      c += 5;
2091                      }
2092                    }
2093                  }
2094                fprintf(outfile, "\n");
2095                }
2096              }
2097          }          }
2098          }
2099    
2100        extra = pcre_study(re, study_options, &error);      /* If the '>' option was present, we write out the regex to a file, and
2101        if (error != NULL)      that is all. The first 8 bytes of the file are the regex length and then
2102          fprintf(outfile, "Failed to study: %s\n", error);      the study length, in big-endian order. */
       else if (extra == NULL)  
         fprintf(outfile, "Study returned NULL\n");  
2103    
2104        else if (do_showinfo)      if (to_file != NULL)
2105          {
2106          FILE *f = fopen((char *)to_file, "wb");
2107          if (f == NULL)
2108          {          {
2109          uschar *start_bits = NULL;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2110          new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);          }
2111          if (start_bits == NULL)        else
2112            fprintf(outfile, "No starting character set\n");          {
2113            uschar sbuf[8];
2114            sbuf[0] = (uschar)((true_size >> 24) & 255);
2115            sbuf[1] = (uschar)((true_size >> 16) & 255);
2116            sbuf[2] = (uschar)((true_size >>  8) & 255);
2117            sbuf[3] = (uschar)((true_size) & 255);
2118    
2119            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2120            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2121            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2122            sbuf[7] = (uschar)((true_study_size) & 255);
2123    
2124            if (fwrite(sbuf, 1, 8, f) < 8 ||
2125                fwrite(re, 1, true_size, f) < true_size)
2126              {
2127              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2128              }
2129          else          else
2130            {            {
2131            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
2132            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
2133              {              {
2134              if ((start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2135                    true_study_size)
2136                {                {
2137                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2138                  {                  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;  
                 }  
2139                }                }
2140                else fprintf(outfile, "Study data written to %s\n", to_file);
2141    
2142              }              }
           fprintf(outfile, "\n");  
2143            }            }
2144            fclose(f);
2145            }
2146    
2147          new_free(re);
2148          if (extra != NULL) new_free(extra);
2149          if (locale_set)
2150            {
2151            new_free((void *)tables);
2152            setlocale(LC_CTYPE, "C");
2153            locale_set = 0;
2154          }          }
2155          continue;  /* With next regex */
2156        }        }
2157      }      }        /* End of non-POSIX compile */
2158    
2159    /* Read data lines and test them */    /* Read data lines and test them */
2160    
2161    for (;;)    for (;;)
2162      {      {
2163      unsigned char *q;      uschar *q;
2164      unsigned char *bptr = dbuffer;      uschar *bptr;
2165        int *use_offsets = offsets;
2166        int use_size_offsets = size_offsets;
2167        int callout_data = 0;
2168        int callout_data_set = 0;
2169      int count, c;      int count, c;
2170      int copystrings = 0;      int copystrings = 0;
2171        int find_match_limit = default_find_match_limit;
2172      int getstrings = 0;      int getstrings = 0;
2173      int getlist = 0;      int getlist = 0;
2174      int gmatched = 0;      int gmatched = 0;
2175      int start_offset = 0;      int start_offset = 0;
2176        int start_offset_sign = 1;
2177      int g_notempty = 0;      int g_notempty = 0;
2178      int offsets[45];      int use_dfa = 0;
     int size_offsets = sizeof(offsets)/sizeof(int);  
2179    
2180      options = 0;      options = 0;
2181    
2182      if (infile == stdin) printf("data> ");      *copynames = 0;
2183      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2184    
2185        copynamesptr = copynames;
2186        getnamesptr = getnames;
2187    
2188        pcre_callout = callout;
2189        first_callout = 1;
2190        callout_extra = 0;
2191        callout_count = 0;
2192        callout_fail_count = 999999;
2193        callout_fail_id = -1;
2194        show_malloc = 0;
2195    
2196        if (extra != NULL) extra->flags &=
2197          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2198    
2199        len = 0;
2200        for (;;)
2201        {        {
2202        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2203        goto CONTINUE;          {
2204            if (len > 0)    /* Reached EOF without hitting a newline */
2205              {
2206              fprintf(outfile, "\n");
2207              break;
2208              }
2209            done = 1;
2210            goto CONTINUE;
2211            }
2212          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2213          len = (int)strlen((char *)buffer);
2214          if (buffer[len-1] == '\n') break;
2215        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2216    
     len = (int)strlen((char *)buffer);  
2217      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2218      buffer[len] = 0;      buffer[len] = 0;
2219      if (len == 0) break;      if (len == 0) break;
# Line 772  while (!done) Line 2221  while (!done)
2221      p = buffer;      p = buffer;
2222      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2223    
2224      q = dbuffer;      bptr = q = dbuffer;
2225      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2226        {        {
2227        int i = 0;        int i = 0;
2228        int n = 0;        int n = 0;
2229    
2230        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2231          {          {
2232          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 793  while (!done) Line 2243  while (!done)
2243          c -= '0';          c -= '0';
2244          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2245            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2246    
2247    #if !defined NOUTF8
2248            if (use_utf8 && c > 255)
2249              {
2250              unsigned char buff8[8];
2251              int ii, utn;
2252              utn = ord2utf8(c, buff8);
2253              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2254              c = buff8[ii];   /* Last byte */
2255              }
2256    #endif
2257          break;          break;
2258    
2259          case 'x':          case 'x':
2260    
2261            /* Handle \x{..} specially - new Perl thing for utf8 */
2262    
2263    #if !defined NOUTF8
2264            if (*p == '{')
2265              {
2266              unsigned char *pt = p;
2267              c = 0;
2268              while (isxdigit(*(++pt)))
2269                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2270              if (*pt == '}')
2271                {
2272                unsigned char buff8[8];
2273                int ii, utn;
2274                if (use_utf8)
2275                  {
2276                  utn = ord2utf8(c, buff8);
2277                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2278                  c = buff8[ii];   /* Last byte */
2279                  }
2280                else
2281                 {
2282                 if (c > 255)
2283                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2284                     "UTF-8 mode is not enabled.\n"
2285                     "** Truncation will probably give the wrong result.\n", c);
2286                 }
2287                p = pt + 1;
2288                break;
2289                }
2290              /* Not correct form; fall through */
2291              }
2292    #endif
2293    
2294            /* Ordinary \x */
2295    
2296          c = 0;          c = 0;
2297          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
2298            {            {
# Line 804  while (!done) Line 2301  while (!done)
2301            }            }
2302          break;          break;
2303    
2304          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2305          p--;          p--;
2306          continue;          continue;
2307    
2308            case '>':
2309            if (*p == '-')
2310              {
2311              start_offset_sign = -1;
2312              p++;
2313              }
2314            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2315            start_offset *= start_offset_sign;
2316            continue;
2317    
2318          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2319          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2320          continue;          continue;
# Line 817  while (!done) Line 2324  while (!done)
2324          continue;          continue;
2325    
2326          case 'C':          case 'C':
2327          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
2328          copystrings |= 1 << n;            {
2329              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2330              copystrings |= 1 << n;
2331              }
2332            else if (isalnum(*p))
2333              {
2334              uschar *npp = copynamesptr;
2335              while (isalnum(*p)) *npp++ = *p++;
2336              *npp++ = 0;
2337              *npp = 0;
2338              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2339              if (n < 0)
2340                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2341              copynamesptr = npp;
2342              }
2343            else if (*p == '+')
2344              {
2345              callout_extra = 1;
2346              p++;
2347              }
2348            else if (*p == '-')
2349              {
2350              pcre_callout = NULL;
2351              p++;
2352              }
2353            else if (*p == '!')
2354              {
2355              callout_fail_id = 0;
2356              p++;
2357              while(isdigit(*p))
2358                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2359              callout_fail_count = 0;
2360              if (*p == '!')
2361                {
2362                p++;
2363                while(isdigit(*p))
2364                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2365                }
2366              }
2367            else if (*p == '*')
2368              {
2369              int sign = 1;
2370              callout_data = 0;
2371              if (*(++p) == '-') { sign = -1; p++; }
2372              while(isdigit(*p))
2373                callout_data = callout_data * 10 + *p++ - '0';
2374              callout_data *= sign;
2375              callout_data_set = 1;
2376              }
2377            continue;
2378    
2379    #if !defined NODFA
2380            case 'D':
2381    #if !defined NOPOSIX
2382            if (posix || do_posix)
2383              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2384            else
2385    #endif
2386              use_dfa = 1;
2387            continue;
2388    #endif
2389    
2390    #if !defined NODFA
2391            case 'F':
2392            options |= PCRE_DFA_SHORTEST;
2393          continue;          continue;
2394    #endif
2395    
2396          case 'G':          case 'G':
2397          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))
2398          getstrings |= 1 << n;            {
2399              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2400              getstrings |= 1 << n;
2401              }
2402            else if (isalnum(*p))
2403              {
2404              uschar *npp = getnamesptr;
2405              while (isalnum(*p)) *npp++ = *p++;
2406              *npp++ = 0;
2407              *npp = 0;
2408              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2409              if (n < 0)
2410                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2411              getnamesptr = npp;
2412              }
2413          continue;          continue;
2414    
2415          case 'L':          case 'L':
2416          getlist = 1;          getlist = 1;
2417          continue;          continue;
2418    
2419            case 'M':
2420            find_match_limit = 1;
2421            continue;
2422    
2423          case 'N':          case 'N':
2424          options |= PCRE_NOTEMPTY;          if ((options & PCRE_NOTEMPTY) != 0)
2425              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2426            else
2427              options |= PCRE_NOTEMPTY;
2428          continue;          continue;
2429    
2430          case 'O':          case 'O':
2431          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2432          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2433              {
2434              size_offsets_max = n;
2435              free(offsets);
2436              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2437              if (offsets == NULL)
2438                {
2439                printf("** Failed to get %d bytes of memory for offsets vector\n",
2440                  (int)(size_offsets_max * sizeof(int)));
2441                yield = 1;
2442                goto EXIT;
2443                }
2444              }
2445            use_size_offsets = n;
2446            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2447            continue;
2448    
2449            case 'P':
2450            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2451              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2452            continue;
2453    
2454            case 'Q':
2455            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2456            if (extra == NULL)
2457              {
2458              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2459              extra->flags = 0;
2460              }
2461            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2462            extra->match_limit_recursion = n;
2463            continue;
2464    
2465            case 'q':
2466            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2467            if (extra == NULL)
2468              {
2469              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2470              extra->flags = 0;
2471              }
2472            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2473            extra->match_limit = n;
2474            continue;
2475    
2476    #if !defined NODFA
2477            case 'R':
2478            options |= PCRE_DFA_RESTART;
2479            continue;
2480    #endif
2481    
2482            case 'S':
2483            show_malloc = 1;
2484            continue;
2485    
2486            case 'Y':
2487            options |= PCRE_NO_START_OPTIMIZE;
2488          continue;          continue;
2489    
2490          case 'Z':          case 'Z':
2491          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2492          continue;          continue;
2493    
2494            case '?':
2495            options |= PCRE_NO_UTF8_CHECK;
2496            continue;
2497    
2498            case '<':
2499              {
2500              int x = check_newline(p, outfile);
2501              if (x == 0) goto NEXT_DATA;
2502              options |= x;
2503              while (*p++ != '>');
2504              }
2505            continue;
2506          }          }
2507        *q++ = c;        *q++ = c;
2508        }        }
2509      *q = 0;      *q = 0;
2510      len = q - dbuffer;      len = (int)(q - dbuffer);
2511    
2512        /* Move the data to the end of the buffer so that a read over the end of
2513        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2514        we are using the POSIX interface, we must include the terminating zero. */
2515    
2516    #if !defined NOPOSIX
2517        if (posix || do_posix)
2518          {
2519          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2520          bptr += buffer_size - len - 1;
2521          }
2522        else
2523    #endif
2524          {
2525          memmove(bptr + buffer_size - len, bptr, len);
2526          bptr += buffer_size - len;
2527          }
2528    
2529        if ((all_use_dfa || use_dfa) && find_match_limit)
2530          {
2531          printf("**Match limit not relevant for DFA matching: ignored\n");
2532          find_match_limit = 0;
2533          }
2534    
2535      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2536      support timing. */      support timing or playing with the match limit or callout data. */
2537    
2538  #if !defined NOPOSIX  #if !defined NOPOSIX
2539      if (posix || do_posix)      if (posix || do_posix)
2540        {        {
2541        int rc;        int rc;
2542        int eflags = 0;        int eflags = 0;
2543        regmatch_t pmatch[sizeof(offsets)/sizeof(int)];        regmatch_t *pmatch = NULL;
2544          if (use_size_offsets > 0)
2545            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2546        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2547        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2548          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2549    
2550        rc = regexec(&preg, (const char *)bptr, size_offsets, pmatch, eflags);        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
2551    
2552        if (rc != 0)        if (rc != 0)
2553          {          {
2554          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2555          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2556          }          }
2557          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2558                  != 0)
2559            {
2560            fprintf(outfile, "Matched with REG_NOSUB\n");
2561            }
2562        else        else
2563          {          {
2564          size_t i;          size_t i;
2565          for (i = 0; i < size_offsets; i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2566            {            {
2567            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2568              {              {
2569              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2570              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2571                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2572              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2573              if (i == 0 && do_showrest)              if (i == 0 && do_showrest)
2574                {                {
2575                fprintf(outfile, " 0+ ");                fprintf(outfile, " 0+ ");
2576                pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo);                (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2577                    outfile);
2578                fprintf(outfile, "\n");                fprintf(outfile, "\n");
2579                }                }
2580              }              }
2581            }            }
2582          }          }
2583          free(pmatch);
2584        }        }
2585    
2586      /* Handle matching via the native interface - repeats for /g and /G */      /* Handle matching via the native interface - repeats for /g and /G */
# Line 896  while (!done) Line 2590  while (!done)
2590    
2591      for (;; gmatched++)    /* Loop for /g or /G */      for (;; gmatched++)    /* Loop for /g or /G */
2592        {        {
2593        if (timeit)        markptr = NULL;
2594    
2595          if (timeitm > 0)
2596          {          {
2597          register int i;          register int i;
2598          clock_t time_taken;          clock_t time_taken;
2599          clock_t start_time = clock();          clock_t start_time = clock();
2600          for (i = 0; i < LOOPREPEAT; i++)  
2601    #if !defined NODFA
2602            if (all_use_dfa || use_dfa)
2603              {
2604              int workspace[1000];
2605              for (i = 0; i < timeitm; i++)
2606                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2607                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2608                  sizeof(workspace)/sizeof(int));
2609              }
2610            else
2611    #endif
2612    
2613            for (i = 0; i < timeitm; i++)
2614            count = pcre_exec(re, extra, (char *)bptr, len,            count = pcre_exec(re, extra, (char *)bptr, len,
2615              start_offset, options | g_notempty, offsets, size_offsets);              start_offset, options | g_notempty, use_offsets, use_size_offsets);
2616    
2617          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2618          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2619            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2620            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2621            }
2622    
2623          /* If find_match_limit is set, we want to do repeated matches with
2624          varying limits in order to find the minimum value for the match limit and
2625          for the recursion limit. */
2626    
2627          if (find_match_limit)
2628            {
2629            if (extra == NULL)
2630              {
2631              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2632              extra->flags = 0;
2633              }
2634    
2635            (void)check_match_limit(re, extra, bptr, len, start_offset,
2636              options|g_notempty, use_offsets, use_size_offsets,
2637              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2638              PCRE_ERROR_MATCHLIMIT, "match()");
2639    
2640            count = check_match_limit(re, extra, bptr, len, start_offset,
2641              options|g_notempty, use_offsets, use_size_offsets,
2642              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2643              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2644          }          }
2645    
2646        count = pcre_exec(re, extra, (char *)bptr, len,        /* If callout_data is set, use the interface with additional data */
2647          start_offset, options | g_notempty, offsets, size_offsets);  
2648          else if (callout_data_set)
2649            {
2650            if (extra == NULL)
2651              {
2652              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2653              extra->flags = 0;
2654              }
2655            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2656            extra->callout_data = &callout_data;
2657            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2658              options | g_notempty, use_offsets, use_size_offsets);
2659            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2660            }
2661    
2662          /* The normal case is just to do the match once, with the default
2663          value of match_limit. */
2664    
2665    #if !defined NODFA
2666          else if (all_use_dfa || use_dfa)
2667            {
2668            int workspace[1000];
2669            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2670              options | g_notempty, use_offsets, use_size_offsets, workspace,
2671              sizeof(workspace)/sizeof(int));
2672            if (count == 0)
2673              {
2674              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2675              count = use_size_offsets/2;
2676              }
2677            }
2678    #endif
2679    
2680        if (count == 0)        else
2681          {          {
2682          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2683          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2684            if (count == 0)
2685              {
2686              fprintf(outfile, "Matched, but too many substrings\n");
2687              count = use_size_offsets/3;
2688              }
2689          }          }
2690    
2691        /* Matched */        /* Matched */
2692    
2693        if (count >= 0)        if (count >= 0)
2694          {          {
2695          int i;          int i, maxcount;
2696    
2697    #if !defined NODFA
2698            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2699    #endif
2700              maxcount = use_size_offsets/3;
2701    
2702            /* This is a check against a lunatic return value. */
2703    
2704            if (count > maxcount)
2705              {
2706              fprintf(outfile,
2707                "** PCRE error: returned count %d is too big for offset size %d\n",
2708                count, use_size_offsets);
2709              count = use_size_offsets/3;
2710              if (do_g || do_G)
2711                {
2712                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2713                do_g = do_G = FALSE;        /* Break g/G loop */
2714                }
2715              }
2716    
2717          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2718            {            {
2719            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2720              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2721            else            else
2722              {              {
2723              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2724              pchars(bptr + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2725                  use_offsets[i+1] - use_offsets[i], outfile);
2726              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2727              if (i == 0)              if (i == 0)
2728                {                {
2729                if (do_showrest)                if (do_showrest)
2730                  {                  {
2731                  fprintf(outfile, " 0+ ");                  fprintf(outfile, " 0+ ");
2732                  pchars(bptr + offsets[i+1], len - offsets[i+1]);                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2733                      outfile);
2734                  fprintf(outfile, "\n");                  fprintf(outfile, "\n");
2735                  }                  }
2736                }                }
2737              }              }
2738            }            }
2739    
2740            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2741    
2742          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2743            {            {
2744            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2745              {              {
2746              char copybuffer[16];              char copybuffer[256];
2747              int rc = pcre_copy_substring((char *)bptr, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2748                i, copybuffer, sizeof(copybuffer));                i, copybuffer, sizeof(copybuffer));
2749              if (rc < 0)              if (rc < 0)
2750                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
# Line 959  while (!done) Line 2753  while (!done)
2753              }              }
2754            }            }
2755    
2756            for (copynamesptr = copynames;
2757                 *copynamesptr != 0;
2758                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2759              {
2760              char copybuffer[256];
2761              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2762                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2763              if (rc < 0)
2764                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2765              else
2766                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2767              }
2768    
2769          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2770            {            {
2771            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2772              {              {
2773              const char *substring;              const char *substring;
2774              int rc = pcre_get_substring((char *)bptr, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2775                i, &substring);                i, &substring);
2776              if (rc < 0)              if (rc < 0)
2777                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2778              else              else
2779                {                {
2780                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2781                free((void *)substring);                pcre_free_substring(substring);
2782                }                }
2783              }              }
2784            }            }
2785    
2786            for (getnamesptr = getnames;
2787                 *getnamesptr != 0;
2788                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2789              {
2790              const char *substring;
2791              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2792                count, (char *)getnamesptr, &substring);
2793              if (rc < 0)
2794                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2795              else
2796                {
2797                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2798                pcre_free_substring(substring);
2799                }
2800              }
2801    
2802          if (getlist)          if (getlist)
2803            {            {
2804            const char **stringlist;            const char **stringlist;
2805            int rc = pcre_get_substring_list((char *)bptr, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2806              &stringlist);              &stringlist);
2807            if (rc < 0)            if (rc < 0)
2808              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 989  while (!done) Line 2812  while (!done)
2812                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2813              if (stringlist[i] != NULL)              if (stringlist[i] != NULL)
2814                fprintf(outfile, "string list not terminated by NULL\n");                fprintf(outfile, "string list not terminated by NULL\n");
2815              free((void *)stringlist);              /* free((void *)stringlist); */
2816                pcre_free_substring_list(stringlist);
2817              }              }
2818            }            }
2819          }          }
2820    
2821          /* There was a partial match */
2822    
2823          else if (count == PCRE_ERROR_PARTIAL)
2824            {
2825            if (markptr == NULL) fprintf(outfile, "Partial match");
2826              else fprintf(outfile, "Partial match, mark=%s", markptr);
2827            if (use_size_offsets > 1)
2828              {
2829              fprintf(outfile, ": ");
2830              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2831                outfile);
2832              }
2833            fprintf(outfile, "\n");
2834            break;  /* Out of the /g loop */
2835            }
2836    
2837        /* Failed to match. If this is a /g or /G loop and we previously set        /* Failed to match. If this is a /g or /G loop and we previously set
2838        PCRE_NOTEMPTY after a null match, this is not necessarily the end.        g_notempty after a null match, this is not necessarily the end. We want
2839        We want to advance the start offset, and continue. Fudge the offset        to advance the start offset, and continue. We won't be at the end of the
2840        values to achieve this. We won't be at the end of the string - that        string - that was checked before setting g_notempty.
2841        was checked before setting PCRE_NOTEMPTY. */  
2842          Complication arises in the case when the newline convention is "any",
2843          "crlf", or "anycrlf". If the previous match was at the end of a line
2844          terminated by CRLF, an advance of one character just passes the \r,
2845          whereas we should prefer the longer newline sequence, as does the code in
2846          pcre_exec(). Fudge the offset value to achieve this. We check for a
2847          newline setting in the pattern; if none was set, use pcre_config() to
2848          find the default.
2849    
2850          Otherwise, in the case of UTF-8 matching, the advance must be one
2851          character, not one byte. */
2852    
2853        else        else
2854          {          {
2855          if (g_notempty != 0)          if (g_notempty != 0)
2856            {            {
2857            offsets[0] = start_offset;            int onechar = 1;
2858            offsets[1] = start_offset + 1;            unsigned int obits = ((real_pcre *)re)->options;
2859              use_offsets[0] = start_offset;
2860              if ((obits & PCRE_NEWLINE_BITS) == 0)
2861                {
2862                int d;
2863                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2864                /* Note that these values are always the ASCII ones, even in
2865                EBCDIC environments. CR = 13, NL = 10. */
2866                obits = (d == 13)? PCRE_NEWLINE_CR :
2867                        (d == 10)? PCRE_NEWLINE_LF :
2868                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2869                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2870                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2871                }
2872              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2873                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2874                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2875                  &&
2876                  start_offset < len - 1 &&
2877                  bptr[start_offset] == '\r' &&
2878                  bptr[start_offset+1] == '\n')
2879                onechar++;
2880              else if (use_utf8)
2881                {
2882                while (start_offset + onechar < len)
2883                  {
2884                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2885                  onechar++;
2886                  }
2887                }
2888              use_offsets[1] = start_offset + onechar;
2889            }            }
2890          else          else
2891            {            {
2892            if (gmatched == 0)   /* Error if no previous matches */            switch(count)
2893              {              {
2894              if (count == -1) fprintf(outfile, "No match\n");              case PCRE_ERROR_NOMATCH:
2895                else fprintf(outfile, "Error %d\n", count);              if (gmatched == 0)
2896                  {
2897                  if (markptr == NULL) fprintf(outfile, "No match\n");
2898                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2899                  }
2900                break;
2901    
2902                case PCRE_ERROR_BADUTF8:
2903                case PCRE_ERROR_SHORTUTF8:
2904                fprintf(outfile, "Error %d (%s UTF-8 string)", count,
2905                  (count == PCRE_ERROR_BADUTF8)? "bad" : "short");
2906                if (use_size_offsets >= 2)
2907                  fprintf(outfile, " offset=%d reason=%d", use_offsets[0],
2908                    use_offsets[1]);
2909                fprintf(outfile, "\n");
2910                break;
2911    
2912                default:
2913                if (count < 0 && (-count) < sizeof(errtexts)/sizeof(const char *))
2914                  fprintf(outfile, "Error %d (%s)\n", count, errtexts[-count]);
2915                else
2916                  fprintf(outfile, "Error %d (Unexpected value)\n", count);
2917                break;
2918              }              }
2919    
2920            break;  /* Out of the /g loop */            break;  /* Out of the /g loop */
2921            }            }
2922          }          }
# Line 1023  while (!done) Line 2926  while (!done)
2926        if (!do_g && !do_G) break;        if (!do_g && !do_G) break;
2927    
2928        /* If we have matched an empty string, first check to see if we are at        /* If we have matched an empty string, first check to see if we are at
2929        the end of the subject. If so, the /g loop is over. Otherwise, mimic        the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2930        what Perl's /g options does. This turns out to be rather cunning. First        Perl's /g options does. This turns out to be rather cunning. First we set
2931        we set PCRE_NOTEMPTY and try the match again at the same point. If this        PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2932        fails (picked up above) we advance to the next character. */        same point. If this fails (picked up above) we advance to the next
2933          character. */
2934    
2935        g_notempty = 0;        g_notempty = 0;
2936        if (offsets[0] == offsets[1])  
2937          if (use_offsets[0] == use_offsets[1])
2938          {          {
2939          if (offsets[0] == len) break;          if (use_offsets[0] == len) break;
2940          g_notempty = PCRE_NOTEMPTY;          g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2941          }          }
2942    
2943        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
2944    
2945        if (do_g) start_offset = offsets[1];        if (do_g) start_offset = use_offsets[1];
2946    
2947        /* For /G, update the pointer and length */        /* For /G, update the pointer and length */
2948    
2949        else        else
2950          {          {
2951          bptr += offsets[1];          bptr += use_offsets[1];
2952          len -= offsets[1];          len -= use_offsets[1];
2953          }          }
2954        }  /* End of loop for /g and /G */        }  /* End of loop for /g and /G */
2955    
2956        NEXT_DATA: continue;
2957      }    /* End of loop for data lines */      }    /* End of loop for data lines */
2958    
2959    CONTINUE:    CONTINUE:
# Line 1055  while (!done) Line 2962  while (!done)
2962    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2963  #endif  #endif
2964    
2965    if (re != NULL) free(re);    if (re != NULL) new_free(re);
2966    if (extra != NULL) free(extra);    if (extra != NULL) new_free(extra);
2967    if (tables != NULL)    if (locale_set)
2968      {      {
2969      free((void *)tables);      new_free((void *)tables);
2970      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2971        locale_set = 0;
2972      }      }
2973    }    }
2974    
2975  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2976  return 0;  
2977    EXIT:
2978    
2979    if (infile != NULL && infile != stdin) fclose(infile);
2980    if (outfile != NULL && outfile != stdout) fclose(outfile);
2981    
2982    free(buffer);
2983    free(dbuffer);
2984    free(pbuffer);
2985    free(offsets);
2986    
2987    return yield;
2988  }  }
2989    
2990  /* End */  /* End of pcretest.c */

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