/[pcre]/code/trunk/pcretest.c
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revision 49 by nigel, Sat Feb 24 21:39:33 2007 UTC revision 576 by ph10, Sun Nov 21 18:45:10 2010 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    #else
83    #include <sys/time.h>          /* These two includes are needed */
84    #include <sys/resource.h>      /* for setrlimit(). */
85    #define INPUT_MODE   "rb"
86    #define OUTPUT_MODE  "wb"
87    #endif
88    
89    
90  /* Use the internal info for displaying the results of pcre_study(). */  /* We have to include pcre_internal.h because we need the internal info for
91    displaying the results of pcre_study() and we also need to know about the
92    internal macros, structures, and other internal data values; pcretest has
93    "inside information" compared to a program that strictly follows the PCRE API.
94    
95    Although pcre_internal.h does itself include pcre.h, we explicitly include it
96    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
97    appropriately for an application, not for building PCRE. */
98    
99    #include "pcre.h"
100    #include "pcre_internal.h"
101    
102    /* We need access to some of the data tables that PCRE uses. So as not to have
103    to keep two copies, we include the source file here, changing the names of the
104    external symbols to prevent clashes. */
105    
106    #define _pcre_ucp_gentype      ucp_gentype
107    #define _pcre_utf8_table1      utf8_table1
108    #define _pcre_utf8_table1_size utf8_table1_size
109    #define _pcre_utf8_table2      utf8_table2
110    #define _pcre_utf8_table3      utf8_table3
111    #define _pcre_utf8_table4      utf8_table4
112    #define _pcre_utt              utt
113    #define _pcre_utt_size         utt_size
114    #define _pcre_utt_names        utt_names
115    #define _pcre_OP_lengths       OP_lengths
116    
117    #include "pcre_tables.c"
118    
119    /* We also need the pcre_printint() function for printing out compiled
120    patterns. This function is in a separate file so that it can be included in
121    pcre_compile.c when that module is compiled with debugging enabled. It needs to
122    know which case is being compiled. */
123    
124    #define COMPILING_PCRETEST
125    #include "pcre_printint.src"
126    
127    /* The definition of the macro PRINTABLE, which determines whether to print an
128    output character as-is or as a hex value when showing compiled patterns, is
129    contained in the printint.src file. We uses it here also, in cases when the
130    locale has not been explicitly changed, so as to get consistent output from
131    systems that differ in their output from isprint() even in the "C" locale. */
132    
133  #include "internal.h"  #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
134    
135  /* It is possible to compile this test program without including support for  /* It is possible to compile this test program without including support for
136  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 140  Makefile. */
140  #include "pcreposix.h"  #include "pcreposix.h"
141  #endif  #endif
142    
143    /* It is also possible, for the benefit of the version currently imported into
144    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
145    interface to the DFA matcher (NODFA), and without the doublecheck of the old
146    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
147    UTF8 support if PCRE is built without it. */
148    
149    #ifndef SUPPORT_UTF8
150    #ifndef NOUTF8
151    #define NOUTF8
152    #endif
153    #endif
154    
155    
156    /* Other parameters */
157    
158  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
159  #ifdef CLK_TCK  #ifdef CLK_TCK
160  #define CLOCKS_PER_SEC CLK_TCK  #define CLOCKS_PER_SEC CLK_TCK
# Line 29  Makefile. */ Line 163  Makefile. */
163  #endif  #endif
164  #endif  #endif
165    
166  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
167    
168    #define LOOPREPEAT 500000
169    
170    /* Static variables */
171    
172  static FILE *outfile;  static FILE *outfile;
173  static int log_store = 0;  static int log_store = 0;
174    static int callout_count;
175    static int callout_extra;
176    static int callout_fail_count;
177    static int callout_fail_id;
178    static int debug_lengths;
179    static int first_callout;
180    static int locale_set = 0;
181    static int show_malloc;
182    static int use_utf8;
183  static size_t gotten_store;  static size_t gotten_store;
184    
185    /* The buffers grow automatically if very long input lines are encountered. */
186    
187    static int buffer_size = 50000;
188    static uschar *buffer = NULL;
189    static uschar *dbuffer = NULL;
190    static uschar *pbuffer = NULL;
191    
192    
193    /*************************************************
194    *         Alternate character tables             *
195    *************************************************/
196    
197    /* By default, the "tables" pointer when calling PCRE is set to NULL, thereby
198    using the default tables of the library. However, the T option can be used to
199    select alternate sets of tables, for different kinds of testing. Note also that
200    the L (locale) option also adjusts the tables. */
201    
202    /* This is the set of tables distributed as default with PCRE. It recognizes
203    only ASCII characters. */
204    
205    static const unsigned char tables0[] = {
206    
207    /* This table is a lower casing table. */
208    
209        0,  1,  2,  3,  4,  5,  6,  7,
210        8,  9, 10, 11, 12, 13, 14, 15,
211       16, 17, 18, 19, 20, 21, 22, 23,
212       24, 25, 26, 27, 28, 29, 30, 31,
213       32, 33, 34, 35, 36, 37, 38, 39,
214       40, 41, 42, 43, 44, 45, 46, 47,
215       48, 49, 50, 51, 52, 53, 54, 55,
216       56, 57, 58, 59, 60, 61, 62, 63,
217       64, 97, 98, 99,100,101,102,103,
218      104,105,106,107,108,109,110,111,
219      112,113,114,115,116,117,118,119,
220      120,121,122, 91, 92, 93, 94, 95,
221       96, 97, 98, 99,100,101,102,103,
222      104,105,106,107,108,109,110,111,
223      112,113,114,115,116,117,118,119,
224      120,121,122,123,124,125,126,127,
225      128,129,130,131,132,133,134,135,
226      136,137,138,139,140,141,142,143,
227      144,145,146,147,148,149,150,151,
228      152,153,154,155,156,157,158,159,
229      160,161,162,163,164,165,166,167,
230      168,169,170,171,172,173,174,175,
231      176,177,178,179,180,181,182,183,
232      184,185,186,187,188,189,190,191,
233      192,193,194,195,196,197,198,199,
234      200,201,202,203,204,205,206,207,
235      208,209,210,211,212,213,214,215,
236      216,217,218,219,220,221,222,223,
237      224,225,226,227,228,229,230,231,
238      232,233,234,235,236,237,238,239,
239      240,241,242,243,244,245,246,247,
240      248,249,250,251,252,253,254,255,
241    
242    /* This table is a case flipping table. */
243    
244        0,  1,  2,  3,  4,  5,  6,  7,
245        8,  9, 10, 11, 12, 13, 14, 15,
246       16, 17, 18, 19, 20, 21, 22, 23,
247       24, 25, 26, 27, 28, 29, 30, 31,
248       32, 33, 34, 35, 36, 37, 38, 39,
249       40, 41, 42, 43, 44, 45, 46, 47,
250       48, 49, 50, 51, 52, 53, 54, 55,
251       56, 57, 58, 59, 60, 61, 62, 63,
252       64, 97, 98, 99,100,101,102,103,
253      104,105,106,107,108,109,110,111,
254      112,113,114,115,116,117,118,119,
255      120,121,122, 91, 92, 93, 94, 95,
256       96, 65, 66, 67, 68, 69, 70, 71,
257       72, 73, 74, 75, 76, 77, 78, 79,
258       80, 81, 82, 83, 84, 85, 86, 87,
259       88, 89, 90,123,124,125,126,127,
260      128,129,130,131,132,133,134,135,
261      136,137,138,139,140,141,142,143,
262      144,145,146,147,148,149,150,151,
263      152,153,154,155,156,157,158,159,
264      160,161,162,163,164,165,166,167,
265      168,169,170,171,172,173,174,175,
266      176,177,178,179,180,181,182,183,
267      184,185,186,187,188,189,190,191,
268      192,193,194,195,196,197,198,199,
269      200,201,202,203,204,205,206,207,
270      208,209,210,211,212,213,214,215,
271      216,217,218,219,220,221,222,223,
272      224,225,226,227,228,229,230,231,
273      232,233,234,235,236,237,238,239,
274      240,241,242,243,244,245,246,247,
275      248,249,250,251,252,253,254,255,
276    
277    /* This table contains bit maps for various character classes. Each map is 32
278    bytes long and the bits run from the least significant end of each byte. The
279    classes that have their own maps are: space, xdigit, digit, upper, lower, word,
280    graph, print, punct, and cntrl. Other classes are built from combinations. */
281    
282      0x00,0x3e,0x00,0x00,0x01,0x00,0x00,0x00,
283      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
284      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
285      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
286    
287      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
288      0x7e,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,
289      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
290      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
291    
292      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
293      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
294      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
295      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
296    
297      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
298      0xfe,0xff,0xff,0x07,0x00,0x00,0x00,0x00,
299      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
300      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
301    
302      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
303      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0x07,
304      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
305      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
306    
307      0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x03,
308      0xfe,0xff,0xff,0x87,0xfe,0xff,0xff,0x07,
309      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
310      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
311    
312      0x00,0x00,0x00,0x00,0xfe,0xff,0xff,0xff,
313      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
314      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
315      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
316    
317      0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,
318      0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,
319      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
320      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
321    
322      0x00,0x00,0x00,0x00,0xfe,0xff,0x00,0xfc,
323      0x01,0x00,0x00,0xf8,0x01,0x00,0x00,0x78,
324      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
325      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
326    
327      0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
328      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,
329      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
330      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
331    
332    /* This table identifies various classes of character by individual bits:
333      0x01   white space character
334      0x02   letter
335      0x04   decimal digit
336      0x08   hexadecimal digit
337      0x10   alphanumeric or '_'
338      0x80   regular expression metacharacter or binary zero
339    */
340    
341      0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*   0-  7 */
342      0x00,0x01,0x01,0x00,0x01,0x01,0x00,0x00, /*   8- 15 */
343      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  16- 23 */
344      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*  24- 31 */
345      0x01,0x00,0x00,0x00,0x80,0x00,0x00,0x00, /*    - '  */
346      0x80,0x80,0x80,0x80,0x00,0x00,0x80,0x00, /*  ( - /  */
347      0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c,0x1c, /*  0 - 7  */
348      0x1c,0x1c,0x00,0x00,0x00,0x00,0x00,0x80, /*  8 - ?  */
349      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  @ - G  */
350      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  H - O  */
351      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  P - W  */
352      0x12,0x12,0x12,0x80,0x80,0x00,0x80,0x10, /*  X - _  */
353      0x00,0x1a,0x1a,0x1a,0x1a,0x1a,0x1a,0x12, /*  ` - g  */
354      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  h - o  */
355      0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12, /*  p - w  */
356      0x12,0x12,0x12,0x80,0x80,0x00,0x00,0x00, /*  x -127 */
357      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 128-135 */
358      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 136-143 */
359      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 144-151 */
360      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 152-159 */
361      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 160-167 */
362      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 168-175 */
363      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 176-183 */
364      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 184-191 */
365      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 192-199 */
366      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 200-207 */
367      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 208-215 */
368      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 216-223 */
369      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 224-231 */
370      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 232-239 */
371      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 240-247 */
372      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};/* 248-255 */
373    
374    /* This is a set of tables that came orginally from a Windows user. It seems to
375    be at least an approximation of ISO 8859. In particular, there are characters
376    greater than 128 that are marked as spaces, letters, etc. */
377    
378    static const unsigned char tables1[] = {
379    0,1,2,3,4,5,6,7,
380    8,9,10,11,12,13,14,15,
381    16,17,18,19,20,21,22,23,
382    24,25,26,27,28,29,30,31,
383    32,33,34,35,36,37,38,39,
384    40,41,42,43,44,45,46,47,
385    48,49,50,51,52,53,54,55,
386    56,57,58,59,60,61,62,63,
387    64,97,98,99,100,101,102,103,
388    104,105,106,107,108,109,110,111,
389    112,113,114,115,116,117,118,119,
390    120,121,122,91,92,93,94,95,
391    96,97,98,99,100,101,102,103,
392    104,105,106,107,108,109,110,111,
393    112,113,114,115,116,117,118,119,
394    120,121,122,123,124,125,126,127,
395    128,129,130,131,132,133,134,135,
396    136,137,138,139,140,141,142,143,
397    144,145,146,147,148,149,150,151,
398    152,153,154,155,156,157,158,159,
399    160,161,162,163,164,165,166,167,
400    168,169,170,171,172,173,174,175,
401    176,177,178,179,180,181,182,183,
402    184,185,186,187,188,189,190,191,
403    224,225,226,227,228,229,230,231,
404    232,233,234,235,236,237,238,239,
405    240,241,242,243,244,245,246,215,
406    248,249,250,251,252,253,254,223,
407    224,225,226,227,228,229,230,231,
408    232,233,234,235,236,237,238,239,
409    240,241,242,243,244,245,246,247,
410    248,249,250,251,252,253,254,255,
411    0,1,2,3,4,5,6,7,
412    8,9,10,11,12,13,14,15,
413    16,17,18,19,20,21,22,23,
414    24,25,26,27,28,29,30,31,
415    32,33,34,35,36,37,38,39,
416    40,41,42,43,44,45,46,47,
417    48,49,50,51,52,53,54,55,
418    56,57,58,59,60,61,62,63,
419    64,97,98,99,100,101,102,103,
420    104,105,106,107,108,109,110,111,
421    112,113,114,115,116,117,118,119,
422    120,121,122,91,92,93,94,95,
423    96,65,66,67,68,69,70,71,
424    72,73,74,75,76,77,78,79,
425    80,81,82,83,84,85,86,87,
426    88,89,90,123,124,125,126,127,
427    128,129,130,131,132,133,134,135,
428    136,137,138,139,140,141,142,143,
429    144,145,146,147,148,149,150,151,
430    152,153,154,155,156,157,158,159,
431    160,161,162,163,164,165,166,167,
432    168,169,170,171,172,173,174,175,
433    176,177,178,179,180,181,182,183,
434    184,185,186,187,188,189,190,191,
435    224,225,226,227,228,229,230,231,
436    232,233,234,235,236,237,238,239,
437    240,241,242,243,244,245,246,215,
438    248,249,250,251,252,253,254,223,
439    192,193,194,195,196,197,198,199,
440    200,201,202,203,204,205,206,207,
441    208,209,210,211,212,213,214,247,
442    216,217,218,219,220,221,222,255,
443    0,62,0,0,1,0,0,0,
444    0,0,0,0,0,0,0,0,
445    32,0,0,0,1,0,0,0,
446    0,0,0,0,0,0,0,0,
447    0,0,0,0,0,0,255,3,
448    126,0,0,0,126,0,0,0,
449    0,0,0,0,0,0,0,0,
450    0,0,0,0,0,0,0,0,
451    0,0,0,0,0,0,255,3,
452    0,0,0,0,0,0,0,0,
453    0,0,0,0,0,0,12,2,
454    0,0,0,0,0,0,0,0,
455    0,0,0,0,0,0,0,0,
456    254,255,255,7,0,0,0,0,
457    0,0,0,0,0,0,0,0,
458    255,255,127,127,0,0,0,0,
459    0,0,0,0,0,0,0,0,
460    0,0,0,0,254,255,255,7,
461    0,0,0,0,0,4,32,4,
462    0,0,0,128,255,255,127,255,
463    0,0,0,0,0,0,255,3,
464    254,255,255,135,254,255,255,7,
465    0,0,0,0,0,4,44,6,
466    255,255,127,255,255,255,127,255,
467    0,0,0,0,254,255,255,255,
468    255,255,255,255,255,255,255,127,
469    0,0,0,0,254,255,255,255,
470    255,255,255,255,255,255,255,255,
471    0,2,0,0,255,255,255,255,
472    255,255,255,255,255,255,255,127,
473    0,0,0,0,255,255,255,255,
474    255,255,255,255,255,255,255,255,
475    0,0,0,0,254,255,0,252,
476    1,0,0,248,1,0,0,120,
477    0,0,0,0,254,255,255,255,
478    0,0,128,0,0,0,128,0,
479    255,255,255,255,0,0,0,0,
480    0,0,0,0,0,0,0,128,
481    255,255,255,255,0,0,0,0,
482    0,0,0,0,0,0,0,0,
483    128,0,0,0,0,0,0,0,
484    0,1,1,0,1,1,0,0,
485    0,0,0,0,0,0,0,0,
486    0,0,0,0,0,0,0,0,
487    1,0,0,0,128,0,0,0,
488    128,128,128,128,0,0,128,0,
489    28,28,28,28,28,28,28,28,
490    28,28,0,0,0,0,0,128,
491    0,26,26,26,26,26,26,18,
492    18,18,18,18,18,18,18,18,
493    18,18,18,18,18,18,18,18,
494    18,18,18,128,128,0,128,16,
495    0,26,26,26,26,26,26,18,
496    18,18,18,18,18,18,18,18,
497    18,18,18,18,18,18,18,18,
498    18,18,18,128,128,0,0,0,
499    0,0,0,0,0,1,0,0,
500    0,0,0,0,0,0,0,0,
501    0,0,0,0,0,0,0,0,
502    0,0,0,0,0,0,0,0,
503    1,0,0,0,0,0,0,0,
504    0,0,18,0,0,0,0,0,
505    0,0,20,20,0,18,0,0,
506    0,20,18,0,0,0,0,0,
507    18,18,18,18,18,18,18,18,
508    18,18,18,18,18,18,18,18,
509    18,18,18,18,18,18,18,0,
510    18,18,18,18,18,18,18,18,
511    18,18,18,18,18,18,18,18,
512    18,18,18,18,18,18,18,18,
513    18,18,18,18,18,18,18,0,
514    18,18,18,18,18,18,18,18
515    };
516    
517    
 static int utf8_table1[] = {  
   0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff};  
518    
 static int utf8_table2[] = {  
   0, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc};  
519    
520  static int utf8_table3[] = {  #ifndef HAVE_STRERROR
521    0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01};  /*************************************************
522    *     Provide strerror() for non-ANSI libraries  *
523    *************************************************/
524    
525    /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
526    in their libraries, but can provide the same facility by this simple
527    alternative function. */
528    
529    extern int   sys_nerr;
530    extern char *sys_errlist[];
531    
532    char *
533    strerror(int n)
534    {
535    if (n < 0 || n >= sys_nerr) return "unknown error number";
536    return sys_errlist[n];
537    }
538    #endif /* HAVE_STRERROR */
539    
540    
541    
542    
543  /*************************************************  /*************************************************
544  *       Convert character value to UTF-8         *  *        Read or extend an input line            *
545  *************************************************/  *************************************************/
546    
547  /* This function takes an integer value in the range 0 - 0x7fffffff  /* Input lines are read into buffer, but both patterns and data lines can be
548  and encodes it as a UTF-8 character in 0 to 6 bytes.  continued over multiple input lines. In addition, if the buffer fills up, we
549    want to automatically expand it so as to be able to handle extremely large
550    lines that are needed for certain stress tests. When the input buffer is
551    expanded, the other two buffers must also be expanded likewise, and the
552    contents of pbuffer, which are a copy of the input for callouts, must be
553    preserved (for when expansion happens for a data line). This is not the most
554    optimal way of handling this, but hey, this is just a test program!
555    
556  Arguments:  Arguments:
557    cvalue     the character value    f            the file to read
558    buffer     pointer to buffer for result - at least 6 bytes long    start        where in buffer to start (this *must* be within buffer)
559      prompt       for stdin or readline()
560  Returns:     number of characters placed in the buffer  
561               -1 if input character is negative  Returns:       pointer to the start of new data
562               0 if input character is positive but too big (only when                 could be a copy of start, or could be moved
563               int is longer than 32 bits)                 NULL if no data read and EOF reached
564  */  */
565    
566  static int  static uschar *
567  ord2utf8(int cvalue, unsigned char *buffer)  extend_inputline(FILE *f, uschar *start, const char *prompt)
568  {  {
569  register int i, j;  uschar *here = start;
570  for (i = 0; i < sizeof(utf8_table1)/sizeof(int); i++)  
571    if (cvalue <= utf8_table1[i]) break;  for (;;)
 if (i >= sizeof(utf8_table1)/sizeof(int)) return 0;  
 if (cvalue < 0) return -1;  
 *buffer++ = utf8_table2[i] | (cvalue & utf8_table3[i]);  
 cvalue >>= 6 - i;  
 for (j = 0; j < i; j++)  
572    {    {
573    *buffer++ = 0x80 | (cvalue & 0x3f);    int rlen = (int)(buffer_size - (here - buffer));
574    cvalue >>= 6;  
575      if (rlen > 1000)
576        {
577        int dlen;
578    
579        /* If libreadline support is required, use readline() to read a line if the
580        input is a terminal. Note that readline() removes the trailing newline, so
581        we must put it back again, to be compatible with fgets(). */
582    
583    #ifdef SUPPORT_LIBREADLINE
584        if (isatty(fileno(f)))
585          {
586          size_t len;
587          char *s = readline(prompt);
588          if (s == NULL) return (here == start)? NULL : start;
589          len = strlen(s);
590          if (len > 0) add_history(s);
591          if (len > rlen - 1) len = rlen - 1;
592          memcpy(here, s, len);
593          here[len] = '\n';
594          here[len+1] = 0;
595          free(s);
596          }
597        else
598    #endif
599    
600        /* Read the next line by normal means, prompting if the file is stdin. */
601    
602          {
603          if (f == stdin) printf("%s", prompt);
604          if (fgets((char *)here, rlen,  f) == NULL)
605            return (here == start)? NULL : start;
606          }
607    
608        dlen = (int)strlen((char *)here);
609        if (dlen > 0 && here[dlen - 1] == '\n') return start;
610        here += dlen;
611        }
612    
613      else
614        {
615        int new_buffer_size = 2*buffer_size;
616        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
617        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
618        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
619    
620        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
621          {
622          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
623          exit(1);
624          }
625    
626        memcpy(new_buffer, buffer, buffer_size);
627        memcpy(new_pbuffer, pbuffer, buffer_size);
628    
629        buffer_size = new_buffer_size;
630    
631        start = new_buffer + (start - buffer);
632        here = new_buffer + (here - buffer);
633    
634        free(buffer);
635        free(dbuffer);
636        free(pbuffer);
637    
638        buffer = new_buffer;
639        dbuffer = new_dbuffer;
640        pbuffer = new_pbuffer;
641        }
642    }    }
643  return i + 1;  
644    return NULL;  /* Control never gets here */
645  }  }
646    
647    
648    
649    
650    
651    
652    
653    /*************************************************
654    *          Read number from string               *
655    *************************************************/
656    
657    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
658    around with conditional compilation, just do the job by hand. It is only used
659    for unpicking arguments, so just keep it simple.
660    
661    Arguments:
662      str           string to be converted
663      endptr        where to put the end pointer
664    
665    Returns:        the unsigned long
666    */
667    
668    static int
669    get_value(unsigned char *str, unsigned char **endptr)
670    {
671    int result = 0;
672    while(*str != 0 && isspace(*str)) str++;
673    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
674    *endptr = str;
675    return(result);
676    }
677    
678    
679    
680    
681  /*************************************************  /*************************************************
682  *            Convert UTF-8 string to value       *  *            Convert UTF-8 string to value       *
683  *************************************************/  *************************************************/
# Line 92  return i + 1; Line 686  return i + 1;
686  and returns the value of the character.  and returns the value of the character.
687    
688  Argument:  Argument:
689    buffer   a pointer to the byte vector    utf8bytes   a pointer to the byte vector
690    vptr     a pointer to an int to receive the value    vptr        a pointer to an int to receive the value
691    
692  Returns:   >  0 => the number of bytes consumed  Returns:      >  0 => the number of bytes consumed
693             -6 to 0 => malformed UTF-8 character at offset = (-return)                -6 to 0 => malformed UTF-8 character at offset = (-return)
694  */  */
695    
696  int  #if !defined NOUTF8
697  utf82ord(unsigned char *buffer, int *vptr)  
698    static int
699    utf82ord(unsigned char *utf8bytes, int *vptr)
700  {  {
701  int c = *buffer++;  int c = *utf8bytes++;
702  int d = c;  int d = c;
703  int i, j, s;  int i, j, s;
704    
# Line 117  if (i == 0 || i == 6) return 0; / Line 713  if (i == 0 || i == 6) return 0; /
713    
714  /* i now has a value in the range 1-5 */  /* i now has a value in the range 1-5 */
715    
716  d = c & utf8_table3[i];  s = 6*i;
717  s = 6 - i;  d = (c & utf8_table3[i]) << s;
718    
719  for (j = 0; j < i; j++)  for (j = 0; j < i; j++)
720    {    {
721    c = *buffer++;    c = *utf8bytes++;
722    if ((c & 0xc0) != 0x80) return -(j+1);    if ((c & 0xc0) != 0x80) return -(j+1);
723      s -= 6;
724    d |= (c & 0x3f) << s;    d |= (c & 0x3f) << s;
   s += 6;  
725    }    }
726    
727  /* Check that encoding was the correct unique one */  /* Check that encoding was the correct unique one */
728    
729  for (j = 0; j < sizeof(utf8_table1)/sizeof(int); j++)  for (j = 0; j < utf8_table1_size; j++)
730    if (d <= utf8_table1[j]) break;    if (d <= utf8_table1[j]) break;
731  if (j != i) return -(i+1);  if (j != i) return -(i+1);
732    
# Line 140  if (j != i) return -(i+1); Line 736  if (j != i) return -(i+1);
736  return i+1;  return i+1;
737  }  }
738    
739    #endif
740    
741    
742    
743    /*************************************************
744    *       Convert character value to UTF-8         *
745    *************************************************/
746    
747    /* This function takes an integer value in the range 0 - 0x7fffffff
748    and encodes it as a UTF-8 character in 0 to 6 bytes.
749    
750  /* Debugging function to print the internal form of the regex. This is the same  Arguments:
751  code as contained in pcre.c under the DEBUG macro. */    cvalue     the character value
752      utf8bytes  pointer to buffer for result - at least 6 bytes long
753    
754  static const char *OP_names[] = {  Returns:     number of characters placed in the buffer
755    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  */
   "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  
   "Opt", "^", "$", "Any", "chars", "not",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{",  
   "class", "Ref", "Recurse",  
   "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",  
   "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",  
   "Brazero", "Braminzero", "Bra"  
 };  
756    
757    #if !defined NOUTF8
758    
759  static void print_internals(pcre *re)  static int
760    ord2utf8(int cvalue, uschar *utf8bytes)
761  {  {
762  unsigned char *code = ((real_pcre *)re)->code;  register int i, j;
763    for (i = 0; i < utf8_table1_size; i++)
764      if (cvalue <= utf8_table1[i]) break;
765    utf8bytes += i;
766    for (j = i; j > 0; j--)
767     {
768     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
769     cvalue >>= 6;
770     }
771    *utf8bytes = utf8_table2[i] | cvalue;
772    return i + 1;
773    }
774    
775  fprintf(outfile, "------------------------------------------------------------------\n");  #endif
776    
 for(;;)  
   {  
   int c;  
   int charlength;  
777    
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
778    
779    if (*code >= OP_BRA)  /*************************************************
780      {  *             Print character string             *
781      fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);  *************************************************/
     code += 2;  
     }  
   
   else switch(*code)  
     {  
     case OP_END:  
     fprintf(outfile, "    %s\n", OP_names[*code]);  
     fprintf(outfile, "------------------------------------------------------------------\n");  
     return;  
   
     case OP_OPT:  
     fprintf(outfile, " %.2x %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_COND:  
     fprintf(outfile, "%3d Cond", (code[1] << 8) + code[2]);  
     code += 2;  
     break;  
   
     case OP_CREF:  
     fprintf(outfile, " %.2d %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_CHARS:  
     charlength = *(++code);  
     fprintf(outfile, "%3d ", charlength);  
     while (charlength-- > 0)  
       if (isprint(c = *(++code))) fprintf(outfile, "%c", c);  
         else fprintf(outfile, "\\x%02x", c);  
     break;  
   
     case OP_KETRMAX:  
     case OP_KETRMIN:  
     case OP_ALT:  
     case OP_KET:  
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_REVERSE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_STAR:  
     case OP_MINSTAR:  
     case OP_PLUS:  
     case OP_MINPLUS:  
     case OP_QUERY:  
     case OP_MINQUERY:  
     case OP_TYPESTAR:  
     case OP_TYPEMINSTAR:  
     case OP_TYPEPLUS:  
     case OP_TYPEMINPLUS:  
     case OP_TYPEQUERY:  
     case OP_TYPEMINQUERY:  
     if (*code >= OP_TYPESTAR)  
       fprintf(outfile, "    %s", OP_names[code[1]]);  
     else if (isprint(c = code[1])) fprintf(outfile, "    %c", c);  
       else fprintf(outfile, "    \\x%02x", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_EXACT:  
     case OP_UPTO:  
     case OP_MINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    %c{", c);  
       else fprintf(outfile, "    \\x%02x{", c);  
     if (*code != OP_EXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_MINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_TYPEEXACT:  
     case OP_TYPEUPTO:  
     case OP_TYPEMINUPTO:  
     fprintf(outfile, "    %s{", OP_names[code[3]]);  
     if (*code != OP_TYPEEXACT) fprintf(outfile, "0,");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_TYPEMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_NOT:  
     if (isprint(c = *(++code))) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     break;  
   
     case OP_NOTSTAR:  
     case OP_NOTMINSTAR:  
     case OP_NOTPLUS:  
     case OP_NOTMINPLUS:  
     case OP_NOTQUERY:  
     case OP_NOTMINQUERY:  
     if (isprint(c = code[1])) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_NOTEXACT:  
     case OP_NOTUPTO:  
     case OP_NOTMINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    [^%c]{", c);  
       else fprintf(outfile, "    [^\\x%02x]{", c);  
     if (*code != OP_NOTEXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_NOTMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_REF:  
     fprintf(outfile, "    \\%d", *(++code));  
     code++;  
     goto CLASS_REF_REPEAT;  
   
     case OP_CLASS:  
       {  
       int i, min, max;  
       code++;  
       fprintf(outfile, "    [");  
   
       for (i = 0; i < 256; i++)  
         {  
         if ((code[i/8] & (1 << (i&7))) != 0)  
           {  
           int j;  
           for (j = i+1; j < 256; j++)  
             if ((code[j/8] & (1 << (j&7))) == 0) break;  
           if (i == '-' || i == ']') fprintf(outfile, "\\");  
           if (isprint(i)) fprintf(outfile, "%c", i); else fprintf(outfile, "\\x%02x", i);  
           if (--j > i)  
             {  
             fprintf(outfile, "-");  
             if (j == '-' || j == ']') fprintf(outfile, "\\");  
             if (isprint(j)) fprintf(outfile, "%c", j); else fprintf(outfile, "\\x%02x", j);  
             }  
           i = j;  
           }  
         }  
       fprintf(outfile, "]");  
       code += 32;  
782    
783        CLASS_REF_REPEAT:  /* Character string printing function. Must handle UTF-8 strings in utf8
784    mode. Yields number of characters printed. If handed a NULL file, just counts
785    chars without printing. */
786    
787        switch(*code)  static int pchars(unsigned char *p, int length, FILE *f)
788          {  {
789          case OP_CRSTAR:  int c = 0;
790          case OP_CRMINSTAR:  int yield = 0;
         case OP_CRPLUS:  
         case OP_CRMINPLUS:  
         case OP_CRQUERY:  
         case OP_CRMINQUERY:  
         fprintf(outfile, "%s", OP_names[*code]);  
         break;  
791    
792          case OP_CRRANGE:  while (length-- > 0)
793          case OP_CRMINRANGE:    {
794          min = (code[1] << 8) + code[2];  #if !defined NOUTF8
795          max = (code[3] << 8) + code[4];    if (use_utf8)
796          if (max == 0) fprintf(outfile, "{%d,}", min);      {
797          else fprintf(outfile, "{%d,%d}", min, max);      int rc = utf82ord(p, &c);
         if (*code == OP_CRMINRANGE) fprintf(outfile, "?");  
         code += 4;  
         break;  
798    
799          default:      if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
800          code--;        {
801          length -= rc - 1;
802          p += rc;
803          if (PRINTHEX(c))
804            {
805            if (f != NULL) fprintf(f, "%c", c);
806            yield++;
807            }
808          else
809            {
810            int n = 4;
811            if (f != NULL) fprintf(f, "\\x{%02x}", c);
812            yield += (n <= 0x000000ff)? 2 :
813                     (n <= 0x00000fff)? 3 :
814                     (n <= 0x0000ffff)? 4 :
815                     (n <= 0x000fffff)? 5 : 6;
816          }          }
817          continue;
818        }        }
819      break;      }
820    #endif
821    
822      /* Anything else is just a one-node item */     /* Not UTF-8, or malformed UTF-8  */
823    
824      default:    c = *p++;
825      fprintf(outfile, "    %s", OP_names[*code]);    if (PRINTHEX(c))
826      break;      {
827        if (f != NULL) fprintf(f, "%c", c);
828        yield++;
829        }
830      else
831        {
832        if (f != NULL) fprintf(f, "\\x%02x", c);
833        yield += 4;
834      }      }
   
   code++;  
   fprintf(outfile, "\n");  
835    }    }
836    
837    return yield;
838  }  }
839    
840    
841    
842  /* Character string printing function. A "normal" and a UTF-8 version. */  /*************************************************
843    *              Callout function                  *
844    *************************************************/
845    
846    /* Called from PCRE as a result of the (?C) item. We print out where we are in
847    the match. Yield zero unless more callouts than the fail count, or the callout
848    data is not zero. */
849    
850  static void pchars(unsigned char *p, int length, int utf8)  static int callout(pcre_callout_block *cb)
851  {  {
852  int c;  FILE *f = (first_callout | callout_extra)? outfile : NULL;
853  while (length-- > 0)  int i, pre_start, post_start, subject_length;
854    
855    if (callout_extra)
856    {    {
857    if (utf8)    fprintf(f, "Callout %d: last capture = %d\n",
858        cb->callout_number, cb->capture_last);
859    
860      for (i = 0; i < cb->capture_top * 2; i += 2)
861      {      {
862      int rc = utf82ord(p, &c);      if (cb->offset_vector[i] < 0)
863      if (rc > 0)        fprintf(f, "%2d: <unset>\n", i/2);
864        else
865        {        {
866        length -= rc - 1;        fprintf(f, "%2d: ", i/2);
867        p += rc;        (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
868        if (c < 256 && isprint(c)) fprintf(outfile, "%c", c);          cb->offset_vector[i+1] - cb->offset_vector[i], f);
869          else fprintf(outfile, "\\x{%02x}", c);        fprintf(f, "\n");
       continue;  
870        }        }
871      }      }
872      }
873    
874     /* Not UTF-8, or malformed UTF-8  */  /* Re-print the subject in canonical form, the first time or if giving full
875    datails. On subsequent calls in the same match, we use pchars just to find the
876    printed lengths of the substrings. */
877    
878    if (f != NULL) fprintf(f, "--->");
879    
880    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
881    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
882      cb->current_position - cb->start_match, f);
883    
884    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
885    
886    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
887      cb->subject_length - cb->current_position, f);
888    
889    if (f != NULL) fprintf(f, "\n");
890    
891    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);  /* Always print appropriate indicators, with callout number if not already
892      else fprintf(outfile, "\\x%02x", c);  shown. For automatic callouts, show the pattern offset. */
893    
894    if (cb->callout_number == 255)
895      {
896      fprintf(outfile, "%+3d ", cb->pattern_position);
897      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
898      }
899    else
900      {
901      if (callout_extra) fprintf(outfile, "    ");
902        else fprintf(outfile, "%3d ", cb->callout_number);
903    }    }
904    
905    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
906    fprintf(outfile, "^");
907    
908    if (post_start > 0)
909      {
910      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
911      fprintf(outfile, "^");
912      }
913    
914    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
915      fprintf(outfile, " ");
916    
917    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
918      pbuffer + cb->pattern_position);
919    
920    fprintf(outfile, "\n");
921    first_callout = 0;
922    
923    if (cb->callout_data != NULL)
924      {
925      int callout_data = *((int *)(cb->callout_data));
926      if (callout_data != 0)
927        {
928        fprintf(outfile, "Callout data = %d\n", callout_data);
929        return callout_data;
930        }
931      }
932    
933    return (cb->callout_number != callout_fail_id)? 0 :
934           (++callout_count >= callout_fail_count)? 1 : 0;
935  }  }
936    
937    
938    /*************************************************
939    *            Local malloc functions              *
940    *************************************************/
941    
942  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
943  compiled re. */  compiled re. */
944    
945  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
946  {  {
947    void *block = malloc(size);
948  gotten_store = size;  gotten_store = size;
949  if (log_store)  if (show_malloc)
950    fprintf(outfile, "Memory allocation (code space): %d\n",    fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
951      (int)((int)size - offsetof(real_pcre, code[0])));  return block;
952  return malloc(size);  }
953    
954    static void new_free(void *block)
955    {
956    if (show_malloc)
957      fprintf(outfile, "free             %p\n", block);
958    free(block);
959  }  }
960    
961    
962    /* For recursion malloc/free, to test stacking calls */
963    
964    static void *stack_malloc(size_t size)
965    {
966    void *block = malloc(size);
967    if (show_malloc)
968      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
969    return block;
970    }
971    
972    static void stack_free(void *block)
973    {
974    if (show_malloc)
975      fprintf(outfile, "stack_free       %p\n", block);
976    free(block);
977    }
978    
979    
980    /*************************************************
981    *          Call pcre_fullinfo()                  *
982    *************************************************/
983    
984  /* Get one piece of information from the pcre_fullinfo() function */  /* Get one piece of information from the pcre_fullinfo() function */
985    
# Line 427  if ((rc = pcre_fullinfo(re, study, optio Line 992  if ((rc = pcre_fullinfo(re, study, optio
992    
993    
994    
995    /*************************************************
996    *         Byte flipping function                 *
997    *************************************************/
998    
999    static unsigned long int
1000    byteflip(unsigned long int value, int n)
1001    {
1002    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
1003    return ((value & 0x000000ff) << 24) |
1004           ((value & 0x0000ff00) <<  8) |
1005           ((value & 0x00ff0000) >>  8) |
1006           ((value & 0xff000000) >> 24);
1007    }
1008    
1009    
1010    
1011    
1012    /*************************************************
1013    *        Check match or recursion limit          *
1014    *************************************************/
1015    
1016    static int
1017    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
1018      int start_offset, int options, int *use_offsets, int use_size_offsets,
1019      int flag, unsigned long int *limit, int errnumber, const char *msg)
1020    {
1021    int count;
1022    int min = 0;
1023    int mid = 64;
1024    int max = -1;
1025    
1026    extra->flags |= flag;
1027    
1028    for (;;)
1029      {
1030      *limit = mid;
1031    
1032      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
1033        use_offsets, use_size_offsets);
1034    
1035      if (count == errnumber)
1036        {
1037        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1038        min = mid;
1039        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
1040        }
1041    
1042      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
1043                             count == PCRE_ERROR_PARTIAL)
1044        {
1045        if (mid == min + 1)
1046          {
1047          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
1048          break;
1049          }
1050        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
1051        max = mid;
1052        mid = (min + mid)/2;
1053        }
1054      else break;    /* Some other error */
1055      }
1056    
1057    extra->flags &= ~flag;
1058    return count;
1059    }
1060    
1061    
1062    
1063    /*************************************************
1064    *         Case-independent strncmp() function    *
1065    *************************************************/
1066    
1067    /*
1068    Arguments:
1069      s         first string
1070      t         second string
1071      n         number of characters to compare
1072    
1073    Returns:    < 0, = 0, or > 0, according to the comparison
1074    */
1075    
1076    static int
1077    strncmpic(uschar *s, uschar *t, int n)
1078    {
1079    while (n--)
1080      {
1081      int c = tolower(*s++) - tolower(*t++);
1082      if (c) return c;
1083      }
1084    return 0;
1085    }
1086    
1087    
1088    
1089    /*************************************************
1090    *         Check newline indicator                *
1091    *************************************************/
1092    
1093    /* This is used both at compile and run-time to check for <xxx> escapes. Print
1094    a message and return 0 if there is no match.
1095    
1096    Arguments:
1097      p           points after the leading '<'
1098      f           file for error message
1099    
1100    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
1101    */
1102    
1103    static int
1104    check_newline(uschar *p, FILE *f)
1105    {
1106    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
1107    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
1108    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
1109    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
1110    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
1111    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
1112    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
1113    fprintf(f, "Unknown newline type at: <%s\n", p);
1114    return 0;
1115    }
1116    
1117    
1118    
1119    /*************************************************
1120    *             Usage function                     *
1121    *************************************************/
1122    
1123    static void
1124    usage(void)
1125    {
1126    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
1127    printf("Input and output default to stdin and stdout.\n");
1128    #ifdef SUPPORT_LIBREADLINE
1129    printf("If input is a terminal, readline() is used to read from it.\n");
1130    #else
1131    printf("This version of pcretest is not linked with readline().\n");
1132    #endif
1133    printf("\nOptions:\n");
1134    printf("  -b       show compiled code (bytecode)\n");
1135    printf("  -C       show PCRE compile-time options and exit\n");
1136    printf("  -d       debug: show compiled code and information (-b and -i)\n");
1137    #if !defined NODFA
1138    printf("  -dfa     force DFA matching for all subjects\n");
1139    #endif
1140    printf("  -help    show usage information\n");
1141    printf("  -i       show information about compiled patterns\n"
1142           "  -M       find MATCH_LIMIT minimum for each subject\n"
1143           "  -m       output memory used information\n"
1144           "  -o <n>   set size of offsets vector to <n>\n");
1145    #if !defined NOPOSIX
1146    printf("  -p       use POSIX interface\n");
1147    #endif
1148    printf("  -q       quiet: do not output PCRE version number at start\n");
1149    printf("  -S <n>   set stack size to <n> megabytes\n");
1150    printf("  -s       output store (memory) used information\n"
1151           "  -t       time compilation and execution\n");
1152    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
1153    printf("  -tm      time execution (matching) only\n");
1154    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
1155    }
1156    
1157    
1158    
1159    /*************************************************
1160    *                Main Program                    *
1161    *************************************************/
1162    
1163  /* 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
1164  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
# Line 437  int main(int argc, char **argv) Line 1169  int main(int argc, char **argv)
1169  FILE *infile = stdin;  FILE *infile = stdin;
1170  int options = 0;  int options = 0;
1171  int study_options = 0;  int study_options = 0;
1172    int default_find_match_limit = FALSE;
1173  int op = 1;  int op = 1;
1174  int timeit = 0;  int timeit = 0;
1175    int timeitm = 0;
1176  int showinfo = 0;  int showinfo = 0;
1177  int showstore = 0;  int showstore = 0;
1178    int quiet = 0;
1179    int size_offsets = 45;
1180    int size_offsets_max;
1181    int *offsets = NULL;
1182    #if !defined NOPOSIX
1183  int posix = 0;  int posix = 0;
1184    #endif
1185  int debug = 0;  int debug = 0;
1186  int done = 0;  int done = 0;
1187  unsigned char buffer[30000];  int all_use_dfa = 0;
1188  unsigned char dbuffer[1024];  int yield = 0;
1189    int stack_size;
1190    
1191    /* These vectors store, end-to-end, a list of captured substring names. Assume
1192    that 1024 is plenty long enough for the few names we'll be testing. */
1193    
1194    uschar copynames[1024];
1195    uschar getnames[1024];
1196    
1197    uschar *copynamesptr;
1198    uschar *getnamesptr;
1199    
1200  /* Static so that new_malloc can use it. */  /* Get buffers from malloc() so that Electric Fence will check their misuse
1201    when I am debugging. They grow automatically when very long lines are read. */
1202    
1203    buffer = (unsigned char *)malloc(buffer_size);
1204    dbuffer = (unsigned char *)malloc(buffer_size);
1205    pbuffer = (unsigned char *)malloc(buffer_size);
1206    
1207    /* The outfile variable is static so that new_malloc can use it. */
1208    
1209  outfile = stdout;  outfile = stdout;
1210    
1211    /* The following  _setmode() stuff is some Windows magic that tells its runtime
1212    library to translate CRLF into a single LF character. At least, that's what
1213    I've been told: never having used Windows I take this all on trust. Originally
1214    it set 0x8000, but then I was advised that _O_BINARY was better. */
1215    
1216    #if defined(_WIN32) || defined(WIN32)
1217    _setmode( _fileno( stdout ), _O_BINARY );
1218    #endif
1219    
1220  /* Scan options */  /* Scan options */
1221    
1222  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
1223    {    {
1224      unsigned char *endptr;
1225    
1226    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
1227      showstore = 1;      showstore = 1;
1228    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-q") == 0) quiet = 1;
1229      else if (strcmp(argv[op], "-b") == 0) debug = 1;
1230    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
1231    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
1232      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
1233    #if !defined NODFA
1234      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
1235    #endif
1236      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
1237          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
1238            *endptr == 0))
1239        {
1240        op++;
1241        argc--;
1242        }
1243      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
1244        {
1245        int both = argv[op][2] == 0;
1246        int temp;
1247        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
1248                         *endptr == 0))
1249          {
1250          timeitm = temp;
1251          op++;
1252          argc--;
1253          }
1254        else timeitm = LOOPREPEAT;
1255        if (both) timeit = timeitm;
1256        }
1257      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
1258          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
1259            *endptr == 0))
1260        {
1261    #if defined(_WIN32) || defined(WIN32)
1262        printf("PCRE: -S not supported on this OS\n");
1263        exit(1);
1264    #else
1265        int rc;
1266        struct rlimit rlim;
1267        getrlimit(RLIMIT_STACK, &rlim);
1268        rlim.rlim_cur = stack_size * 1024 * 1024;
1269        rc = setrlimit(RLIMIT_STACK, &rlim);
1270        if (rc != 0)
1271          {
1272        printf("PCRE: setrlimit() failed with error %d\n", rc);
1273        exit(1);
1274          }
1275        op++;
1276        argc--;
1277    #endif
1278        }
1279    #if !defined NOPOSIX
1280    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
1281    #endif
1282      else if (strcmp(argv[op], "-C") == 0)
1283        {
1284        int rc;
1285        unsigned long int lrc;
1286        printf("PCRE version %s\n", pcre_version());
1287        printf("Compiled with\n");
1288        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
1289        printf("  %sUTF-8 support\n", rc? "" : "No ");
1290        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
1291        printf("  %sUnicode properties support\n", rc? "" : "No ");
1292        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
1293        /* Note that these values are always the ASCII values, even
1294        in EBCDIC environments. CR is 13 and NL is 10. */
1295        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
1296          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
1297          (rc == -2)? "ANYCRLF" :
1298          (rc == -1)? "ANY" : "???");
1299        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
1300        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
1301                                         "all Unicode newlines");
1302        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
1303        printf("  Internal link size = %d\n", rc);
1304        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
1305        printf("  POSIX malloc threshold = %d\n", rc);
1306        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
1307        printf("  Default match limit = %ld\n", lrc);
1308        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
1309        printf("  Default recursion depth limit = %ld\n", lrc);
1310        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
1311        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
1312        goto EXIT;
1313        }
1314      else if (strcmp(argv[op], "-help") == 0 ||
1315               strcmp(argv[op], "--help") == 0)
1316        {
1317        usage();
1318        goto EXIT;
1319        }
1320    else    else
1321      {      {
1322      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
1323      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
1324      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
1325             "  -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;  
1326      }      }
1327    op++;    op++;
1328    argc--;    argc--;
1329    }    }
1330    
1331    /* Get the store for the offsets vector, and remember what it was */
1332    
1333    size_offsets_max = size_offsets;
1334    offsets = (int *)malloc(size_offsets_max * sizeof(int));
1335    if (offsets == NULL)
1336      {
1337      printf("** Failed to get %d bytes of memory for offsets vector\n",
1338        (int)(size_offsets_max * sizeof(int)));
1339      yield = 1;
1340      goto EXIT;
1341      }
1342    
1343  /* Sort out the input and output files */  /* Sort out the input and output files */
1344    
1345  if (argc > 1)  if (argc > 1)
1346    {    {
1347    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1348    if (infile == NULL)    if (infile == NULL)
1349      {      {
1350      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1351      return 1;      yield = 1;
1352        goto EXIT;
1353      }      }
1354    }    }
1355    
1356  if (argc > 2)  if (argc > 2)
1357    {    {
1358    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1359    if (outfile == NULL)    if (outfile == NULL)
1360      {      {
1361      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1362      return 1;      yield = 1;
1363        goto EXIT;
1364      }      }
1365    }    }
1366    
1367  /* Set alternative malloc function */  /* Set alternative malloc function */
1368    
1369  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1370    pcre_free = new_free;
1371    pcre_stack_malloc = stack_malloc;
1372    pcre_stack_free = stack_free;
1373    
1374  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1375    
1376  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1377    
1378  /* Main loop */  /* Main loop */
1379    
# Line 519  while (!done) Line 1388  while (!done)
1388  #endif  #endif
1389    
1390    const char *error;    const char *error;
1391      unsigned char *markptr;
1392    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1393    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1394      const unsigned char *tables = NULL;
1395      unsigned long int true_size, true_study_size = 0;
1396      size_t size, regex_gotten_store;
1397      int do_mark = 0;
1398    int do_study = 0;    int do_study = 0;
1399    int do_debug = debug;    int do_debug = debug;
1400    int do_G = 0;    int do_G = 0;
1401    int do_g = 0;    int do_g = 0;
1402    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1403    int do_showrest = 0;    int do_showrest = 0;
1404    int utf8 = 0;    int do_flip = 0;
1405    int erroroffset, len, delimiter;    int erroroffset, len, delimiter, poffset;
1406    
1407      use_utf8 = 0;
1408      debug_lengths = 1;
1409    
1410    if (infile == stdin) printf("  re> ");    if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
   if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;  
1411    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1412      fflush(outfile);
1413    
1414    p = buffer;    p = buffer;
1415    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1416    if (*p == 0) continue;    if (*p == 0) continue;
1417    
1418    /* 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. */
1419    complete, read more. */  
1420      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1421        {
1422        unsigned long int magic, get_options;
1423        uschar sbuf[8];
1424        FILE *f;
1425    
1426        p++;
1427        pp = p + (int)strlen((char *)p);
1428        while (isspace(pp[-1])) pp--;
1429        *pp = 0;
1430    
1431        f = fopen((char *)p, "rb");
1432        if (f == NULL)
1433          {
1434          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1435          continue;
1436          }
1437    
1438        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1439    
1440        true_size =
1441          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1442        true_study_size =
1443          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1444    
1445        re = (real_pcre *)new_malloc(true_size);
1446        regex_gotten_store = gotten_store;
1447    
1448        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1449    
1450        magic = ((real_pcre *)re)->magic_number;
1451        if (magic != MAGIC_NUMBER)
1452          {
1453          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1454            {
1455            do_flip = 1;
1456            }
1457          else
1458            {
1459            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1460            fclose(f);
1461            continue;
1462            }
1463          }
1464    
1465        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1466          do_flip? " (byte-inverted)" : "", p);
1467    
1468        /* Need to know if UTF-8 for printing data strings */
1469    
1470        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1471        use_utf8 = (get_options & PCRE_UTF8) != 0;
1472    
1473        /* Now see if there is any following study data */
1474    
1475        if (true_study_size != 0)
1476          {
1477          pcre_study_data *psd;
1478    
1479          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1480          extra->flags = PCRE_EXTRA_STUDY_DATA;
1481    
1482          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1483          extra->study_data = psd;
1484    
1485          if (fread(psd, 1, true_study_size, f) != true_study_size)
1486            {
1487            FAIL_READ:
1488            fprintf(outfile, "Failed to read data from %s\n", p);
1489            if (extra != NULL) new_free(extra);
1490            if (re != NULL) new_free(re);
1491            fclose(f);
1492            continue;
1493            }
1494          fprintf(outfile, "Study data loaded from %s\n", p);
1495          do_study = 1;     /* To get the data output if requested */
1496          }
1497        else fprintf(outfile, "No study data\n");
1498    
1499        fclose(f);
1500        goto SHOW_INFO;
1501        }
1502    
1503      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1504      the pattern; if is isn't complete, read more. */
1505    
1506    delimiter = *p++;    delimiter = *p++;
1507    
1508    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1509      {      {
1510      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1511      goto SKIP_DATA;      goto SKIP_DATA;
1512      }      }
1513    
1514    pp = p;    pp = p;
1515      poffset = (int)(p - buffer);
1516    
1517    for(;;)    for(;;)
1518      {      {
# Line 560  while (!done) Line 1523  while (!done)
1523        pp++;        pp++;
1524        }        }
1525      if (*pp != 0) break;      if (*pp != 0) break;
1526        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)  
1527        {        {
1528        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1529        done = 1;        done = 1;
# Line 578  while (!done) Line 1532  while (!done)
1532      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1533      }      }
1534    
1535      /* The buffer may have moved while being extended; reset the start of data
1536      pointer to the correct relative point in the buffer. */
1537    
1538      p = buffer + poffset;
1539    
1540    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1541    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1542    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1543    
1544    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1545    
1546    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1547      for callouts. */
1548    
1549    *pp++ = 0;    *pp++ = 0;
1550      strcpy((char *)pbuffer, (char *)p);
1551    
1552    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1553    
# Line 598  while (!done) Line 1559  while (!done)
1559      {      {
1560      switch (*pp++)      switch (*pp++)
1561        {        {
1562          case 'f': options |= PCRE_FIRSTLINE; break;
1563        case 'g': do_g = 1; break;        case 'g': do_g = 1; break;
1564        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1565        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
# Line 606  while (!done) Line 1568  while (!done)
1568    
1569        case '+': do_showrest = 1; break;        case '+': do_showrest = 1; break;
1570        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1571          case 'B': do_debug = 1; break;
1572          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1573        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1574        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1575          case 'F': do_flip = 1; break;
1576        case 'G': do_G = 1; break;        case 'G': do_G = 1; break;
1577        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1578          case 'J': options |= PCRE_DUPNAMES; break;
1579          case 'K': do_mark = 1; break;
1580        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1581          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1582    
1583  #if !defined NOPOSIX  #if !defined NOPOSIX
1584        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
# Line 618  while (!done) Line 1586  while (!done)
1586    
1587        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1588        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1589          case 'W': options |= PCRE_UCP; break;
1590        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1591        case '8': options |= PCRE_UTF8; utf8 = 1; break;        case 'Y': options |= PCRE_NO_START_OPTIMISE; break;
1592          case 'Z': debug_lengths = 0; break;
1593          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1594          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1595    
1596          case 'T':
1597          switch (*pp++)
1598            {
1599            case '0': tables = tables0; break;
1600            case '1': tables = tables1; break;
1601    
1602            case '\r':
1603            case '\n':
1604            case ' ':
1605            case 0:
1606            fprintf(outfile, "** Missing table number after /T\n");
1607            goto SKIP_DATA;
1608    
1609            default:
1610            fprintf(outfile, "** Bad table number \"%c\" after /T\n", pp[-1]);
1611            goto SKIP_DATA;
1612            }
1613          break;
1614    
1615        case 'L':        case 'L':
1616        ppp = pp;        ppp = pp;
1617        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1618          /* The '0' test is just in case this is an unterminated line. */
1619          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1620        *ppp = 0;        *ppp = 0;
1621        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1622          {          {
1623          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1624          goto SKIP_DATA;          goto SKIP_DATA;
1625          }          }
1626          locale_set = 1;
1627        tables = pcre_maketables();        tables = pcre_maketables();
1628        pp = ppp;        pp = ppp;
1629        break;        break;
1630    
1631        case '\n': case ' ': break;        case '>':
1632          to_file = pp;
1633          while (*pp != 0) pp++;
1634          while (isspace(pp[-1])) pp--;
1635          *pp = 0;
1636          break;
1637    
1638          case '<':
1639            {
1640            if (strncmpic(pp, (uschar *)"JS>", 3) == 0)
1641              {
1642              options |= PCRE_JAVASCRIPT_COMPAT;
1643              pp += 3;
1644              }
1645            else
1646              {
1647              int x = check_newline(pp, outfile);
1648              if (x == 0) goto SKIP_DATA;
1649              options |= x;
1650              while (*pp++ != '>');
1651              }
1652            }
1653          break;
1654    
1655          case '\r':                      /* So that it works in Windows */
1656          case '\n':
1657          case ' ':
1658          break;
1659    
1660        default:        default:
1661        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1662        goto SKIP_DATA;        goto SKIP_DATA;
# Line 650  while (!done) Line 1672  while (!done)
1672      {      {
1673      int rc;      int rc;
1674      int cflags = 0;      int cflags = 0;
1675    
1676      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1677      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1678        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1679        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1680        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1681        if ((options & PCRE_UCP) != 0) cflags |= REG_UCP;
1682        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1683    
1684      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1685    
1686      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 659  while (!done) Line 1688  while (!done)
1688    
1689      if (rc != 0)      if (rc != 0)
1690        {        {
1691        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1692        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1693        goto SKIP_DATA;        goto SKIP_DATA;
1694        }        }
# Line 671  while (!done) Line 1700  while (!done)
1700  #endif  /* !defined NOPOSIX */  #endif  /* !defined NOPOSIX */
1701    
1702      {      {
1703      if (timeit)      unsigned long int get_options;
1704    
1705        if (timeit > 0)
1706        {        {
1707        register int i;        register int i;
1708        clock_t time_taken;        clock_t time_taken;
1709        clock_t start_time = clock();        clock_t start_time = clock();
1710        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1711          {          {
1712          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1713          if (re != NULL) free(re);          if (re != NULL) free(re);
1714          }          }
1715        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1716        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1717          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1718          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1719        }        }
1720    
1721      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 700  while (!done) Line 1731  while (!done)
1731          {          {
1732          for (;;)          for (;;)
1733            {            {
1734            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1735              {              {
1736              done = 1;              done = 1;
1737              goto CONTINUE;              goto CONTINUE;
# Line 711  while (!done) Line 1742  while (!done)
1742            }            }
1743          fprintf(outfile, "\n");          fprintf(outfile, "\n");
1744          }          }
1745        goto CONTINUE;        goto CONTINUE;
1746          }
1747    
1748        /* Compilation succeeded. It is now possible to set the UTF-8 option from
1749        within the regex; check for this so that we know how to process the data
1750        lines. */
1751    
1752        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1753        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1754    
1755        /* Print information if required. There are now two info-returning
1756        functions. The old one has a limited interface and returns only limited
1757        data. Check that it agrees with the newer one. */
1758    
1759        if (log_store)
1760          fprintf(outfile, "Memory allocation (code space): %d\n",
1761            (int)(gotten_store -
1762                  sizeof(real_pcre) -
1763                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1764    
1765        /* Extract the size for possible writing before possibly flipping it,
1766        and remember the store that was got. */
1767    
1768        true_size = ((real_pcre *)re)->size;
1769        regex_gotten_store = gotten_store;
1770    
1771        /* If /S was present, study the regexp to generate additional info to
1772        help with the matching. */
1773    
1774        if (do_study)
1775          {
1776          if (timeit > 0)
1777            {
1778            register int i;
1779            clock_t time_taken;
1780            clock_t start_time = clock();
1781            for (i = 0; i < timeit; i++)
1782              extra = pcre_study(re, study_options, &error);
1783            time_taken = clock() - start_time;
1784            if (extra != NULL) free(extra);
1785            fprintf(outfile, "  Study time %.4f milliseconds\n",
1786              (((double)time_taken * 1000.0) / (double)timeit) /
1787                (double)CLOCKS_PER_SEC);
1788            }
1789          extra = pcre_study(re, study_options, &error);
1790          if (error != NULL)
1791            fprintf(outfile, "Failed to study: %s\n", error);
1792          else if (extra != NULL)
1793            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1794          }
1795    
1796        /* If /K was present, we set up for handling MARK data. */
1797    
1798        if (do_mark)
1799          {
1800          if (extra == NULL)
1801            {
1802            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1803            extra->flags = 0;
1804            }
1805          extra->mark = &markptr;
1806          extra->flags |= PCRE_EXTRA_MARK;
1807          }
1808    
1809        /* If the 'F' option was present, we flip the bytes of all the integer
1810        fields in the regex data block and the study block. This is to make it
1811        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1812        compiled on a different architecture. */
1813    
1814        if (do_flip)
1815          {
1816          real_pcre *rre = (real_pcre *)re;
1817          rre->magic_number =
1818            byteflip(rre->magic_number, sizeof(rre->magic_number));
1819          rre->size = byteflip(rre->size, sizeof(rre->size));
1820          rre->options = byteflip(rre->options, sizeof(rre->options));
1821          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1822          rre->top_bracket =
1823            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1824          rre->top_backref =
1825            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1826          rre->first_byte =
1827            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1828          rre->req_byte =
1829            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1830          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1831            sizeof(rre->name_table_offset));
1832          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1833            sizeof(rre->name_entry_size));
1834          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1835            sizeof(rre->name_count));
1836    
1837          if (extra != NULL)
1838            {
1839            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1840            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1841            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1842            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1843            }
1844          }
1845    
1846        /* Extract information from the compiled data if required */
1847    
1848        SHOW_INFO:
1849    
1850        if (do_debug)
1851          {
1852          fprintf(outfile, "------------------------------------------------------------------\n");
1853          pcre_printint(re, outfile, debug_lengths);
1854        }        }
1855    
1856      /* Compilation succeeded; print data if required. There are now two      /* We already have the options in get_options (see above) */
     info-returning functions. The old one has a limited interface and  
     returns only limited data. Check that it agrees with the newer one. */  
1857    
1858      if (do_showinfo)      if (do_showinfo)
1859        {        {
1860          unsigned long int all_options;
1861    #if !defined NOINFOCHECK
1862        int old_first_char, old_options, old_count;        int old_first_char, old_options, old_count;
1863        int count, backrefmax, first_char, need_char;  #endif
1864        size_t size;        int count, backrefmax, first_char, need_char, okpartial, jchanged,
1865            hascrorlf;
1866        if (do_debug) print_internals(re);        int nameentrysize, namecount;
1867          const uschar *nametable;
1868    
       new_info(re, NULL, PCRE_INFO_OPTIONS, &options);  
1869        new_info(re, NULL, PCRE_INFO_SIZE, &size);        new_info(re, NULL, PCRE_INFO_SIZE, &size);
1870        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);        new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1871        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);        new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1872        new_info(re, NULL, PCRE_INFO_FIRSTCHAR, &first_char);        new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1873        new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);        new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1874          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1875          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1876          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1877          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1878          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1879          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1880    
1881    #if !defined NOINFOCHECK
1882        old_count = pcre_info(re, &old_options, &old_first_char);        old_count = pcre_info(re, &old_options, &old_first_char);
1883        if (count < 0) fprintf(outfile,        if (count < 0) fprintf(outfile,
1884          "Error %d from pcre_info()\n", count);          "Error %d from pcre_info()\n", count);
# Line 746  while (!done) Line 1892  while (!done)
1892            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",            "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1893              first_char, old_first_char);              first_char, old_first_char);
1894    
1895          if (old_options != options) fprintf(outfile,          if (old_options != (int)get_options) fprintf(outfile,
1896            "Options disagreement: pcre_fullinfo=%d pcre_info=%d\n", options,            "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1897              old_options);              get_options, old_options);
1898          }          }
1899    #endif
1900    
1901        if (size != gotten_store) fprintf(outfile,        if (size != regex_gotten_store) fprintf(outfile,
1902          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",          "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1903          size, gotten_store);          (int)size, (int)regex_gotten_store);
1904    
1905        fprintf(outfile, "Capturing subpattern count = %d\n", count);        fprintf(outfile, "Capturing subpattern count = %d\n", count);
1906        if (backrefmax > 0)        if (backrefmax > 0)
1907          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%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" : "",  
           ((options & PCRE_UTF8) != 0)? " utf8" : "");  
1908    
1909        if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)        if (namecount > 0)
1910          fprintf(outfile, "Case state changes\n");          {
1911            fprintf(outfile, "Named capturing subpatterns:\n");
1912            while (namecount-- > 0)
1913              {
1914              fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1915                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1916                GET2(nametable, 0));
1917              nametable += nameentrysize;
1918              }
1919            }
1920    
1921          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1922          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1923    
1924          all_options = ((real_pcre *)re)->options;
1925          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1926    
1927          if (get_options == 0) fprintf(outfile, "No options\n");
1928            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1929              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1930              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1931              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1932              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1933              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1934              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1935              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1936              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1937              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1938              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1939              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1940              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1941              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1942              ((get_options & PCRE_UCP) != 0)? " ucp" : "",
1943              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1944              ((get_options & PCRE_NO_START_OPTIMIZE) != 0)? " no_start_optimize" : "",
1945              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1946    
1947          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1948    
1949          switch (get_options & PCRE_NEWLINE_BITS)
1950            {
1951            case PCRE_NEWLINE_CR:
1952            fprintf(outfile, "Forced newline sequence: CR\n");
1953            break;
1954    
1955            case PCRE_NEWLINE_LF:
1956            fprintf(outfile, "Forced newline sequence: LF\n");
1957            break;
1958    
1959            case PCRE_NEWLINE_CRLF:
1960            fprintf(outfile, "Forced newline sequence: CRLF\n");
1961            break;
1962    
1963            case PCRE_NEWLINE_ANYCRLF:
1964            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
1965            break;
1966    
1967            case PCRE_NEWLINE_ANY:
1968            fprintf(outfile, "Forced newline sequence: ANY\n");
1969            break;
1970    
1971            default:
1972            break;
1973            }
1974    
1975        if (first_char == -1)        if (first_char == -1)
1976          {          {
1977          fprintf(outfile, "First char at start or follows \\n\n");          fprintf(outfile, "First char at start or follows newline\n");
1978          }          }
1979        else if (first_char < 0)        else if (first_char < 0)
1980          {          {
# Line 783  while (!done) Line 1982  while (!done)
1982          }          }
1983        else        else
1984          {          {
1985          if (isprint(first_char))          int ch = first_char & 255;
1986            fprintf(outfile, "First char = \'%c\'\n", first_char);          const char *caseless = ((first_char & REQ_CASELESS) == 0)?
1987              "" : " (caseless)";
1988            if (PRINTHEX(ch))
1989              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
1990          else          else
1991            fprintf(outfile, "First char = %d\n", first_char);            fprintf(outfile, "First char = %d%s\n", ch, caseless);
1992          }          }
1993    
1994        if (need_char < 0)        if (need_char < 0)
# Line 795  while (!done) Line 1997  while (!done)
1997          }          }
1998        else        else
1999          {          {
2000          if (isprint(need_char))          int ch = need_char & 255;
2001            fprintf(outfile, "Need char = \'%c\'\n", need_char);          const char *caseless = ((need_char & REQ_CASELESS) == 0)?
2002              "" : " (caseless)";
2003            if (PRINTHEX(ch))
2004              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
2005          else          else
2006            fprintf(outfile, "Need char = %d\n", need_char);            fprintf(outfile, "Need char = %d%s\n", ch, caseless);
2007          }          }
       }  
2008    
2009      /* 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
2010      help with the matching. */        value, but it varies, depending on the computer architecture, and
2011          so messes up the test suite. (And with the /F option, it might be
2012          flipped.) */
2013    
2014      if (do_study)        if (do_study)
       {  
       if (timeit)  
2015          {          {
2016          register int i;          if (extra == NULL)
2017          clock_t time_taken;            fprintf(outfile, "Study returned NULL\n");
2018          clock_t start_time = clock();          else
2019          for (i = 0; i < LOOPREPEAT; i++)            {
2020            extra = pcre_study(re, study_options, &error);            uschar *start_bits = NULL;
2021          time_taken = clock() - start_time;            int minlength;
2022          if (extra != NULL) free(extra);  
2023          fprintf(outfile, "  Study time %.3f milliseconds\n",            new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
2024            ((double)time_taken * 1000.0)/            fprintf(outfile, "Subject length lower bound = %d\n", minlength);
2025            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));  
2026              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
2027              if (start_bits == NULL)
2028                fprintf(outfile, "No set of starting bytes\n");
2029              else
2030                {
2031                int i;
2032                int c = 24;
2033                fprintf(outfile, "Starting byte set: ");
2034                for (i = 0; i < 256; i++)
2035                  {
2036                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
2037                    {
2038                    if (c > 75)
2039                      {
2040                      fprintf(outfile, "\n  ");
2041                      c = 2;
2042                      }
2043                    if (PRINTHEX(i) && i != ' ')
2044                      {
2045                      fprintf(outfile, "%c ", i);
2046                      c += 2;
2047                      }
2048                    else
2049                      {
2050                      fprintf(outfile, "\\x%02x ", i);
2051                      c += 5;
2052                      }
2053                    }
2054                  }
2055                fprintf(outfile, "\n");
2056                }
2057              }
2058          }          }
2059          }
2060    
2061        extra = pcre_study(re, study_options, &error);      /* If the '>' option was present, we write out the regex to a file, and
2062        if (error != NULL)      that is all. The first 8 bytes of the file are the regex length and then
2063          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");  
2064    
2065        else if (do_showinfo)      if (to_file != NULL)
2066          {
2067          FILE *f = fopen((char *)to_file, "wb");
2068          if (f == NULL)
2069            {
2070            fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
2071            }
2072          else
2073          {          {
2074          uschar *start_bits = NULL;          uschar sbuf[8];
2075          new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);          sbuf[0] = (uschar)((true_size >> 24) & 255);
2076          if (start_bits == NULL)          sbuf[1] = (uschar)((true_size >> 16) & 255);
2077            fprintf(outfile, "No starting character set\n");          sbuf[2] = (uschar)((true_size >>  8) & 255);
2078            sbuf[3] = (uschar)((true_size) & 255);
2079    
2080            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
2081            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
2082            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
2083            sbuf[7] = (uschar)((true_study_size) & 255);
2084    
2085            if (fwrite(sbuf, 1, 8, f) < 8 ||
2086                fwrite(re, 1, true_size, f) < true_size)
2087              {
2088              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
2089              }
2090          else          else
2091            {            {
2092            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
2093            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
2094              {              {
2095              if ((start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
2096                    true_study_size)
2097                {                {
2098                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
2099                  {                  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;  
                 }  
2100                }                }
2101                else fprintf(outfile, "Study data written to %s\n", to_file);
2102    
2103              }              }
           fprintf(outfile, "\n");  
2104            }            }
2105            fclose(f);
2106          }          }
2107    
2108          new_free(re);
2109          if (extra != NULL) new_free(extra);
2110          if (locale_set)
2111            {
2112            new_free((void *)tables);
2113            setlocale(LC_CTYPE, "C");
2114            locale_set = 0;
2115            }
2116          continue;  /* With next regex */
2117        }        }
2118      }      }        /* End of non-POSIX compile */
2119    
2120    /* Read data lines and test them */    /* Read data lines and test them */
2121    
2122    for (;;)    for (;;)
2123      {      {
2124      unsigned char *q;      uschar *q;
2125      unsigned char *bptr = dbuffer;      uschar *bptr;
2126        int *use_offsets = offsets;
2127        int use_size_offsets = size_offsets;
2128        int callout_data = 0;
2129        int callout_data_set = 0;
2130      int count, c;      int count, c;
2131      int copystrings = 0;      int copystrings = 0;
2132        int find_match_limit = default_find_match_limit;
2133      int getstrings = 0;      int getstrings = 0;
2134      int getlist = 0;      int getlist = 0;
2135      int gmatched = 0;      int gmatched = 0;
2136      int start_offset = 0;      int start_offset = 0;
2137        int start_offset_sign = 1;
2138      int g_notempty = 0;      int g_notempty = 0;
2139      int offsets[45];      int use_dfa = 0;
     int size_offsets = sizeof(offsets)/sizeof(int);  
2140    
2141      options = 0;      options = 0;
2142    
2143      if (infile == stdin) printf("data> ");      *copynames = 0;
2144      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
2145    
2146        copynamesptr = copynames;
2147        getnamesptr = getnames;
2148    
2149        pcre_callout = callout;
2150        first_callout = 1;
2151        callout_extra = 0;
2152        callout_count = 0;
2153        callout_fail_count = 999999;
2154        callout_fail_id = -1;
2155        show_malloc = 0;
2156    
2157        if (extra != NULL) extra->flags &=
2158          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
2159    
2160        len = 0;
2161        for (;;)
2162        {        {
2163        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
2164        goto CONTINUE;          {
2165            if (len > 0)    /* Reached EOF without hitting a newline */
2166              {
2167              fprintf(outfile, "\n");
2168              break;
2169              }
2170            done = 1;
2171            goto CONTINUE;
2172            }
2173          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
2174          len = (int)strlen((char *)buffer);
2175          if (buffer[len-1] == '\n') break;
2176        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
2177    
     len = (int)strlen((char *)buffer);  
2178      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
2179      buffer[len] = 0;      buffer[len] = 0;
2180      if (len == 0) break;      if (len == 0) break;
# Line 899  while (!done) Line 2182  while (!done)
2182      p = buffer;      p = buffer;
2183      while (isspace(*p)) p++;      while (isspace(*p)) p++;
2184    
2185      q = dbuffer;      bptr = q = dbuffer;
2186      while ((c = *p++) != 0)      while ((c = *p++) != 0)
2187        {        {
2188        int i = 0;        int i = 0;
2189        int n = 0;        int n = 0;
2190    
2191        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
2192          {          {
2193          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 920  while (!done) Line 2204  while (!done)
2204          c -= '0';          c -= '0';
2205          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
2206            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
2207    
2208    #if !defined NOUTF8
2209            if (use_utf8 && c > 255)
2210              {
2211              unsigned char buff8[8];
2212              int ii, utn;
2213              utn = ord2utf8(c, buff8);
2214              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2215              c = buff8[ii];   /* Last byte */
2216              }
2217    #endif
2218          break;          break;
2219    
2220          case 'x':          case 'x':
2221    
2222          /* Handle \x{..} specially - new Perl thing for utf8 */          /* Handle \x{..} specially - new Perl thing for utf8 */
2223    
2224    #if !defined NOUTF8
2225          if (*p == '{')          if (*p == '{')
2226            {            {
2227            unsigned char *pt = p;            unsigned char *pt = p;
# Line 934  while (!done) Line 2230  while (!done)
2230              c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');              c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
2231            if (*pt == '}')            if (*pt == '}')
2232              {              {
2233              unsigned char buffer[8];              unsigned char buff8[8];
2234              int ii, utn;              int ii, utn;
2235              utn = ord2utf8(c, buffer);              if (use_utf8)
2236              for (ii = 0; ii < utn - 1; ii++) *q++ = buffer[ii];                {
2237              c = buffer[ii];   /* Last byte */                utn = ord2utf8(c, buff8);
2238                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
2239                  c = buff8[ii];   /* Last byte */
2240                  }
2241                else
2242                 {
2243                 if (c > 255)
2244                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
2245                     "UTF-8 mode is not enabled.\n"
2246                     "** Truncation will probably give the wrong result.\n", c);
2247                 }
2248              p = pt + 1;              p = pt + 1;
2249              break;              break;
2250              }              }
2251            /* Not correct form; fall through */            /* Not correct form; fall through */
2252            }            }
2253    #endif
2254    
2255          /* Ordinary \x */          /* Ordinary \x */
2256    
# Line 955  while (!done) Line 2262  while (!done)
2262            }            }
2263          break;          break;
2264    
2265          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
2266          p--;          p--;
2267          continue;          continue;
2268    
2269            case '>':
2270            if (*p == '-')
2271              {
2272              start_offset_sign = -1;
2273              p++;
2274              }
2275            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
2276            start_offset *= start_offset_sign;
2277            continue;
2278    
2279          case 'A':  /* Option setting */          case 'A':  /* Option setting */
2280          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
2281          continue;          continue;
# Line 968  while (!done) Line 2285  while (!done)
2285          continue;          continue;
2286    
2287          case 'C':          case 'C':
2288          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
2289          copystrings |= 1 << n;            {
2290              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2291              copystrings |= 1 << n;
2292              }
2293            else if (isalnum(*p))
2294              {
2295              uschar *npp = copynamesptr;
2296              while (isalnum(*p)) *npp++ = *p++;
2297              *npp++ = 0;
2298              *npp = 0;
2299              n = pcre_get_stringnumber(re, (char *)copynamesptr);
2300              if (n < 0)
2301                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
2302              copynamesptr = npp;
2303              }
2304            else if (*p == '+')
2305              {
2306              callout_extra = 1;
2307              p++;
2308              }
2309            else if (*p == '-')
2310              {
2311              pcre_callout = NULL;
2312              p++;
2313              }
2314            else if (*p == '!')
2315              {
2316              callout_fail_id = 0;
2317              p++;
2318              while(isdigit(*p))
2319                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
2320              callout_fail_count = 0;
2321              if (*p == '!')
2322                {
2323                p++;
2324                while(isdigit(*p))
2325                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
2326                }
2327              }
2328            else if (*p == '*')
2329              {
2330              int sign = 1;
2331              callout_data = 0;
2332              if (*(++p) == '-') { sign = -1; p++; }
2333              while(isdigit(*p))
2334                callout_data = callout_data * 10 + *p++ - '0';
2335              callout_data *= sign;
2336              callout_data_set = 1;
2337              }
2338            continue;
2339    
2340    #if !defined NODFA
2341            case 'D':
2342    #if !defined NOPOSIX
2343            if (posix || do_posix)
2344              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
2345            else
2346    #endif
2347              use_dfa = 1;
2348            continue;
2349    #endif
2350    
2351    #if !defined NODFA
2352            case 'F':
2353            options |= PCRE_DFA_SHORTEST;
2354          continue;          continue;
2355    #endif
2356    
2357          case 'G':          case 'G':
2358          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))
2359          getstrings |= 1 << n;            {
2360              while(isdigit(*p)) n = n * 10 + *p++ - '0';
2361              getstrings |= 1 << n;
2362              }
2363            else if (isalnum(*p))
2364              {
2365              uschar *npp = getnamesptr;
2366              while (isalnum(*p)) *npp++ = *p++;
2367              *npp++ = 0;
2368              *npp = 0;
2369              n = pcre_get_stringnumber(re, (char *)getnamesptr);
2370              if (n < 0)
2371                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
2372              getnamesptr = npp;
2373              }
2374          continue;          continue;
2375    
2376          case 'L':          case 'L':
2377          getlist = 1;          getlist = 1;
2378          continue;          continue;
2379    
2380            case 'M':
2381            find_match_limit = 1;
2382            continue;
2383    
2384          case 'N':          case 'N':
2385          options |= PCRE_NOTEMPTY;          if ((options & PCRE_NOTEMPTY) != 0)
2386              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
2387            else
2388              options |= PCRE_NOTEMPTY;
2389          continue;          continue;
2390    
2391          case 'O':          case 'O':
2392          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2393          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2394              {
2395              size_offsets_max = n;
2396              free(offsets);
2397              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2398              if (offsets == NULL)
2399                {
2400                printf("** Failed to get %d bytes of memory for offsets vector\n",
2401                  (int)(size_offsets_max * sizeof(int)));
2402                yield = 1;
2403                goto EXIT;
2404                }
2405              }
2406            use_size_offsets = n;
2407            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2408            continue;
2409    
2410            case 'P':
2411            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2412              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2413            continue;
2414    
2415            case 'Q':
2416            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2417            if (extra == NULL)
2418              {
2419              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2420              extra->flags = 0;
2421              }
2422            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2423            extra->match_limit_recursion = n;
2424            continue;
2425    
2426            case 'q':
2427            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2428            if (extra == NULL)
2429              {
2430              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2431              extra->flags = 0;
2432              }
2433            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2434            extra->match_limit = n;
2435            continue;
2436    
2437    #if !defined NODFA
2438            case 'R':
2439            options |= PCRE_DFA_RESTART;
2440            continue;
2441    #endif
2442    
2443            case 'S':
2444            show_malloc = 1;
2445            continue;
2446    
2447            case 'Y':
2448            options |= PCRE_NO_START_OPTIMIZE;
2449          continue;          continue;
2450    
2451          case 'Z':          case 'Z':
2452          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2453          continue;          continue;
2454    
2455            case '?':
2456            options |= PCRE_NO_UTF8_CHECK;
2457            continue;
2458    
2459            case '<':
2460              {
2461              int x = check_newline(p, outfile);
2462              if (x == 0) goto NEXT_DATA;
2463              options |= x;
2464              while (*p++ != '>');
2465              }
2466            continue;
2467          }          }
2468        *q++ = c;        *q++ = c;
2469        }        }
2470      *q = 0;      *q = 0;
2471      len = q - dbuffer;      len = (int)(q - dbuffer);
2472    
2473        /* Move the data to the end of the buffer so that a read over the end of
2474        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2475        we are using the POSIX interface, we must include the terminating zero. */
2476    
2477    #if !defined NOPOSIX
2478        if (posix || do_posix)
2479          {
2480          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2481          bptr += buffer_size - len - 1;
2482          }
2483        else
2484    #endif
2485          {
2486          memmove(bptr + buffer_size - len, bptr, len);
2487          bptr += buffer_size - len;
2488          }
2489    
2490        if ((all_use_dfa || use_dfa) && find_match_limit)
2491          {
2492          printf("**Match limit not relevant for DFA matching: ignored\n");
2493          find_match_limit = 0;
2494          }
2495    
2496      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2497      support timing. */      support timing or playing with the match limit or callout data. */
2498    
2499  #if !defined NOPOSIX  #if !defined NOPOSIX
2500      if (posix || do_posix)      if (posix || do_posix)
2501        {        {
2502        int rc;        int rc;
2503        int eflags = 0;        int eflags = 0;
2504        regmatch_t pmatch[sizeof(offsets)/sizeof(int)];        regmatch_t *pmatch = NULL;
2505          if (use_size_offsets > 0)
2506            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2507        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2508        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2509          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2510    
2511        rc = regexec(&preg, (const char *)bptr, size_offsets, pmatch, eflags);        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
2512    
2513        if (rc != 0)        if (rc != 0)
2514          {          {
2515          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2516          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2517          }          }
2518          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2519                  != 0)
2520            {
2521            fprintf(outfile, "Matched with REG_NOSUB\n");
2522            }
2523        else        else
2524          {          {
2525          size_t i;          size_t i;
2526          for (i = 0; i < size_offsets; i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2527            {            {
2528            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2529              {              {
2530              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2531              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2532                pmatch[i].rm_eo - pmatch[i].rm_so, utf8);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2533              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2534              if (i == 0 && do_showrest)              if (i == 0 && do_showrest)
2535                {                {
2536                fprintf(outfile, " 0+ ");                fprintf(outfile, " 0+ ");
2537                pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo, utf8);                (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2538                    outfile);
2539                fprintf(outfile, "\n");                fprintf(outfile, "\n");
2540                }                }
2541              }              }
2542            }            }
2543          }          }
2544          free(pmatch);
2545        }        }
2546    
2547      /* Handle matching via the native interface - repeats for /g and /G */      /* Handle matching via the native interface - repeats for /g and /G */
# Line 1047  while (!done) Line 2551  while (!done)
2551    
2552      for (;; gmatched++)    /* Loop for /g or /G */      for (;; gmatched++)    /* Loop for /g or /G */
2553        {        {
2554        if (timeit)        markptr = NULL;
2555    
2556          if (timeitm > 0)
2557          {          {
2558          register int i;          register int i;
2559          clock_t time_taken;          clock_t time_taken;
2560          clock_t start_time = clock();          clock_t start_time = clock();
2561          for (i = 0; i < LOOPREPEAT; i++)  
2562    #if !defined NODFA
2563            if (all_use_dfa || use_dfa)
2564              {
2565              int workspace[1000];
2566              for (i = 0; i < timeitm; i++)
2567                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2568                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2569                  sizeof(workspace)/sizeof(int));
2570              }
2571            else
2572    #endif
2573    
2574            for (i = 0; i < timeitm; i++)
2575            count = pcre_exec(re, extra, (char *)bptr, len,            count = pcre_exec(re, extra, (char *)bptr, len,
2576              start_offset, options | g_notempty, offsets, size_offsets);              start_offset, options | g_notempty, use_offsets, use_size_offsets);
2577    
2578          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2579          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2580            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2581            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2582            }
2583    
2584          /* If find_match_limit is set, we want to do repeated matches with
2585          varying limits in order to find the minimum value for the match limit and
2586          for the recursion limit. */
2587    
2588          if (find_match_limit)
2589            {
2590            if (extra == NULL)
2591              {
2592              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2593              extra->flags = 0;
2594              }
2595    
2596            (void)check_match_limit(re, extra, bptr, len, start_offset,
2597              options|g_notempty, use_offsets, use_size_offsets,
2598              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2599              PCRE_ERROR_MATCHLIMIT, "match()");
2600    
2601            count = check_match_limit(re, extra, bptr, len, start_offset,
2602              options|g_notempty, use_offsets, use_size_offsets,
2603              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2604              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2605          }          }
2606    
2607        count = pcre_exec(re, extra, (char *)bptr, len,        /* If callout_data is set, use the interface with additional data */
2608          start_offset, options | g_notempty, offsets, size_offsets);  
2609          else if (callout_data_set)
2610            {
2611            if (extra == NULL)
2612              {
2613              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2614              extra->flags = 0;
2615              }
2616            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2617            extra->callout_data = &callout_data;
2618            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2619              options | g_notempty, use_offsets, use_size_offsets);
2620            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2621            }
2622    
2623          /* The normal case is just to do the match once, with the default
2624          value of match_limit. */
2625    
2626    #if !defined NODFA
2627          else if (all_use_dfa || use_dfa)
2628            {
2629            int workspace[1000];
2630            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2631              options | g_notempty, use_offsets, use_size_offsets, workspace,
2632              sizeof(workspace)/sizeof(int));
2633            if (count == 0)
2634              {
2635              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2636              count = use_size_offsets/2;
2637              }
2638            }
2639    #endif
2640    
2641        if (count == 0)        else
2642          {          {
2643          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2644          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2645            if (count == 0)
2646              {
2647              fprintf(outfile, "Matched, but too many substrings\n");
2648              count = use_size_offsets/3;
2649              }
2650          }          }
2651    
2652        /* Matched */        /* Matched */
2653    
2654        if (count >= 0)        if (count >= 0)
2655          {          {
2656          int i;          int i, maxcount;
2657    
2658    #if !defined NODFA
2659            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2660    #endif
2661              maxcount = use_size_offsets/3;
2662    
2663            /* This is a check against a lunatic return value. */
2664    
2665            if (count > maxcount)
2666              {
2667              fprintf(outfile,
2668                "** PCRE error: returned count %d is too big for offset size %d\n",
2669                count, use_size_offsets);
2670              count = use_size_offsets/3;
2671              if (do_g || do_G)
2672                {
2673                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2674                do_g = do_G = FALSE;        /* Break g/G loop */
2675                }
2676              }
2677    
2678          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2679            {            {
2680            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2681              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2682            else            else
2683              {              {
2684              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2685              pchars(bptr + offsets[i], offsets[i+1] - offsets[i], utf8);              (void)pchars(bptr + use_offsets[i],
2686                  use_offsets[i+1] - use_offsets[i], outfile);
2687              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2688              if (i == 0)              if (i == 0)
2689                {                {
2690                if (do_showrest)                if (do_showrest)
2691                  {                  {
2692                  fprintf(outfile, " 0+ ");                  fprintf(outfile, " 0+ ");
2693                  pchars(bptr + offsets[i+1], len - offsets[i+1], utf8);                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2694                      outfile);
2695                  fprintf(outfile, "\n");                  fprintf(outfile, "\n");
2696                  }                  }
2697                }                }
2698              }              }
2699            }            }
2700    
2701            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2702    
2703          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2704            {            {
2705            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2706              {              {
2707              char copybuffer[16];              char copybuffer[256];
2708              int rc = pcre_copy_substring((char *)bptr, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2709                i, copybuffer, sizeof(copybuffer));                i, copybuffer, sizeof(copybuffer));
2710              if (rc < 0)              if (rc < 0)
2711                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
# Line 1110  while (!done) Line 2714  while (!done)
2714              }              }
2715            }            }
2716    
2717            for (copynamesptr = copynames;
2718                 *copynamesptr != 0;
2719                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2720              {
2721              char copybuffer[256];
2722              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2723                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2724              if (rc < 0)
2725                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2726              else
2727                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2728              }
2729    
2730          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2731            {            {
2732            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2733              {              {
2734              const char *substring;              const char *substring;
2735              int rc = pcre_get_substring((char *)bptr, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2736                i, &substring);                i, &substring);
2737              if (rc < 0)              if (rc < 0)
2738                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2739              else              else
2740                {                {
2741                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
               /* free((void *)substring); */  
2742                pcre_free_substring(substring);                pcre_free_substring(substring);
2743                }                }
2744              }              }
2745            }            }
2746    
2747            for (getnamesptr = getnames;
2748                 *getnamesptr != 0;
2749                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2750              {
2751              const char *substring;
2752              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2753                count, (char *)getnamesptr, &substring);
2754              if (rc < 0)
2755                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2756              else
2757                {
2758                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2759                pcre_free_substring(substring);
2760                }
2761              }
2762    
2763          if (getlist)          if (getlist)
2764            {            {
2765            const char **stringlist;            const char **stringlist;
2766            int rc = pcre_get_substring_list((char *)bptr, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2767              &stringlist);              &stringlist);
2768            if (rc < 0)            if (rc < 0)
2769              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 1147  while (!done) Line 2779  while (!done)
2779            }            }
2780          }          }
2781    
2782          /* There was a partial match */
2783    
2784          else if (count == PCRE_ERROR_PARTIAL)
2785            {
2786            if (markptr == NULL) fprintf(outfile, "Partial match");
2787              else fprintf(outfile, "Partial match, mark=%s", markptr);
2788            if (use_size_offsets > 1)
2789              {
2790              fprintf(outfile, ": ");
2791              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2792                outfile);
2793              }
2794            fprintf(outfile, "\n");
2795            break;  /* Out of the /g loop */
2796            }
2797    
2798        /* 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
2799        g_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
2800        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
2801        values to achieve this. We won't be at the end of the string - that        string - that was checked before setting g_notempty.
2802        was checked before setting g_notempty. */  
2803          Complication arises in the case when the newline convention is "any",
2804          "crlf", or "anycrlf". If the previous match was at the end of a line
2805          terminated by CRLF, an advance of one character just passes the \r,
2806          whereas we should prefer the longer newline sequence, as does the code in
2807          pcre_exec(). Fudge the offset value to achieve this. We check for a
2808          newline setting in the pattern; if none was set, use pcre_config() to
2809          find the default.
2810    
2811          Otherwise, in the case of UTF-8 matching, the advance must be one
2812          character, not one byte. */
2813    
2814        else        else
2815          {          {
2816          if (g_notempty != 0)          if (g_notempty != 0)
2817            {            {
2818            offsets[0] = start_offset;            int onechar = 1;
2819            offsets[1] = start_offset + 1;            unsigned int obits = ((real_pcre *)re)->options;
2820              use_offsets[0] = start_offset;
2821              if ((obits & PCRE_NEWLINE_BITS) == 0)
2822                {
2823                int d;
2824                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2825                /* Note that these values are always the ASCII ones, even in
2826                EBCDIC environments. CR = 13, NL = 10. */
2827                obits = (d == 13)? PCRE_NEWLINE_CR :
2828                        (d == 10)? PCRE_NEWLINE_LF :
2829                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2830                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2831                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2832                }
2833              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2834                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_CRLF ||
2835                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2836                  &&
2837                  start_offset < len - 1 &&
2838                  bptr[start_offset] == '\r' &&
2839                  bptr[start_offset+1] == '\n')
2840                onechar++;
2841              else if (use_utf8)
2842                {
2843                while (start_offset + onechar < len)
2844                  {
2845                  if ((bptr[start_offset+onechar] & 0xc0) != 0x80) break;
2846                  onechar++;
2847                  }
2848                }
2849              use_offsets[1] = start_offset + onechar;
2850            }            }
2851          else          else
2852            {            {
2853            if (gmatched == 0)   /* Error if no previous matches */            if (count == PCRE_ERROR_NOMATCH)
2854              {              {
2855              if (count == -1) fprintf(outfile, "No match\n");              if (gmatched == 0)
2856                else fprintf(outfile, "Error %d\n", count);                {
2857                  if (markptr == NULL) fprintf(outfile, "No match\n");
2858                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2859                  }
2860              }              }
2861              else fprintf(outfile, "Error %d\n", count);
2862            break;  /* Out of the /g loop */            break;  /* Out of the /g loop */
2863            }            }
2864          }          }
# Line 1176  while (!done) Line 2868  while (!done)
2868        if (!do_g && !do_G) break;        if (!do_g && !do_G) break;
2869    
2870        /* 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
2871        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
2872        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
2873        we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the        PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2874        same point. If this fails (picked up above) we advance to the next        same point. If this fails (picked up above) we advance to the next
2875        character. */        character. */
2876    
2877        g_notempty = 0;        g_notempty = 0;
2878        if (offsets[0] == offsets[1])  
2879          if (use_offsets[0] == use_offsets[1])
2880          {          {
2881          if (offsets[0] == len) break;          if (use_offsets[0] == len) break;
2882          g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;          g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2883          }          }
2884    
2885        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
2886    
2887        if (do_g) start_offset = offsets[1];        if (do_g) start_offset = use_offsets[1];
2888    
2889        /* For /G, update the pointer and length */        /* For /G, update the pointer and length */
2890    
2891        else        else
2892          {          {
2893          bptr += offsets[1];          bptr += use_offsets[1];
2894          len -= offsets[1];          len -= use_offsets[1];
2895          }          }
2896        }  /* End of loop for /g and /G */        }  /* End of loop for /g and /G */
2897    
2898        NEXT_DATA: continue;
2899      }    /* End of loop for data lines */      }    /* End of loop for data lines */
2900    
2901    CONTINUE:    CONTINUE:
# Line 1209  while (!done) Line 2904  while (!done)
2904    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2905  #endif  #endif
2906    
2907    if (re != NULL) free(re);    if (re != NULL) new_free(re);
2908    if (extra != NULL) free(extra);    if (extra != NULL) new_free(extra);
2909    if (tables != NULL)    if (locale_set)
2910      {      {
2911      free((void *)tables);      new_free((void *)tables);
2912      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2913        locale_set = 0;
2914      }      }
2915    }    }
2916    
2917  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2918  return 0;  
2919    EXIT:
2920    
2921    if (infile != NULL && infile != stdin) fclose(infile);
2922    if (outfile != NULL && outfile != stdout) fclose(outfile);
2923    
2924    free(buffer);
2925    free(dbuffer);
2926    free(pbuffer);
2927    free(offsets);
2928    
2929    return yield;
2930  }  }
2931    
2932  /* End */  /* End of pcretest.c */

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