/[pcre]/code/trunk/pcretest.c
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revision 31 by nigel, Sat Feb 24 21:38:57 2007 UTC revision 226 by ph10, Tue Aug 21 11:46:08 2007 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    
52    /* A number of things vary for Windows builds. Originally, pcretest opened its
53    input and output without "b"; then I was told that "b" was needed in some
54    environments, so it was added for release 5.0 to both the input and output. (It
55    makes no difference on Unix-like systems.) Later I was told that it is wrong
56    for the input on Windows. I've now abstracted the modes into two macros that
57    are set here, to make it easier to fiddle with them, and removed "b" from the
58    input mode under Windows. */
59    
60    #if defined(_WIN32) || defined(WIN32)
61    #include <io.h>                /* For _setmode() */
62    #include <fcntl.h>             /* For _O_BINARY */
63    #define INPUT_MODE   "r"
64    #define OUTPUT_MODE  "wb"
65    
66    #else
67    #include <sys/time.h>          /* These two includes are needed */
68    #include <sys/resource.h>      /* for setrlimit(). */
69    #define INPUT_MODE   "rb"
70    #define OUTPUT_MODE  "wb"
71    #endif
72    
73    
74    /* We have to include pcre_internal.h because we need the internal info for
75    displaying the results of pcre_study() and we also need to know about the
76    internal macros, structures, and other internal data values; pcretest has
77    "inside information" compared to a program that strictly follows the PCRE API.
78    
79    Although pcre_internal.h does itself include pcre.h, we explicitly include it
80    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
81    appropriately for an application, not for building PCRE. */
82    
83    #include "pcre.h"
84    #include "pcre_internal.h"
85    
86  /* Use the internal info for displaying the results of pcre_study(). */  /* We need access to the data tables that PCRE uses. So as not to have to keep
87    two copies, we include the source file here, changing the names of the external
88    symbols to prevent clashes. */
89    
90  #include "internal.h"  #define _pcre_utf8_table1      utf8_table1
91    #define _pcre_utf8_table1_size utf8_table1_size
92    #define _pcre_utf8_table2      utf8_table2
93    #define _pcre_utf8_table3      utf8_table3
94    #define _pcre_utf8_table4      utf8_table4
95    #define _pcre_utt              utt
96    #define _pcre_utt_size         utt_size
97    #define _pcre_OP_lengths       OP_lengths
98    
99    #include "pcre_tables.c"
100    
101    /* We also need the pcre_printint() function for printing out compiled
102    patterns. This function is in a separate file so that it can be included in
103    pcre_compile.c when that module is compiled with debugging enabled.
104    
105    The definition of the macro PRINTABLE, which determines whether to print an
106    output character as-is or as a hex value when showing compiled patterns, is
107    contained in this file. We uses it here also, in cases when the locale has not
108    been explicitly changed, so as to get consistent output from systems that
109    differ in their output from isprint() even in the "C" locale. */
110    
111    #include "pcre_printint.src"
112    
113    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
114    
115    
116    /* It is possible to compile this test program without including support for
117    testing the POSIX interface, though this is not available via the standard
118    Makefile. */
119    
120    #if !defined NOPOSIX
121  #include "pcreposix.h"  #include "pcreposix.h"
122    #endif
123    
124    /* It is also possible, for the benefit of the version currently imported into
125    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
126    interface to the DFA matcher (NODFA), and without the doublecheck of the old
127    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
128    UTF8 support if PCRE is built without it. */
129    
130    #ifndef SUPPORT_UTF8
131    #ifndef NOUTF8
132    #define NOUTF8
133    #endif
134    #endif
135    
136    
137    /* Other parameters */
138    
139  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
140  #ifdef CLK_TCK  #ifdef CLK_TCK
# Line 22  Line 144 
144  #endif  #endif
145  #endif  #endif
146    
147  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
148    
149    #define LOOPREPEAT 500000
150    
151    /* Static variables */
152    
153  static FILE *outfile;  static FILE *outfile;
154  static int log_store = 0;  static int log_store = 0;
155    static int callout_count;
156    static int callout_extra;
157    static int callout_fail_count;
158    static int callout_fail_id;
159    static int debug_lengths;
160    static int first_callout;
161    static int locale_set = 0;
162    static int show_malloc;
163    static int use_utf8;
164    static size_t gotten_store;
165    
166    /* The buffers grow automatically if very long input lines are encountered. */
167    
168    static int buffer_size = 50000;
169    static uschar *buffer = NULL;
170    static uschar *dbuffer = NULL;
171    static uschar *pbuffer = NULL;
172    
173    
174    
175  /* Debugging function to print the internal form of the regex. This is the same  /*************************************************
176  code as contained in pcre.c under the DEBUG macro. */  *        Read or extend an input line            *
177    *************************************************/
178    
179  static const char *OP_names[] = {  /* Input lines are read into buffer, but both patterns and data lines can be
180    "End", "\\A", "\\B", "\\b", "\\D", "\\d",  continued over multiple input lines. In addition, if the buffer fills up, we
181    "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  want to automatically expand it so as to be able to handle extremely large
182    "Opt", "^", "$", "Any", "chars", "not",  lines that are needed for certain stress tests. When the input buffer is
183    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  expanded, the other two buffers must also be expanded likewise, and the
184    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  contents of pbuffer, which are a copy of the input for callouts, must be
185    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  preserved (for when expansion happens for a data line). This is not the most
186    "*", "*?", "+", "+?", "?", "??", "{", "{",  optimal way of handling this, but hey, this is just a test program!
187    "class", "Ref",  
188    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",  Arguments:
189    "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",    f            the file to read
190    "Brazero", "Braminzero", "Bra"    start        where in buffer to start (this *must* be within buffer)
191  };  
192    Returns:       pointer to the start of new data
193                   could be a copy of start, or could be moved
194  static void print_internals(pcre *re, FILE *outfile)                 NULL if no data read and EOF reached
195  {  */
 unsigned char *code = ((real_pcre *)re)->code;  
   
 fprintf(outfile, "------------------------------------------------------------------\n");  
   
 for(;;)  
   {  
   int c;  
   int charlength;  
   
   fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  
   
   if (*code >= OP_BRA)  
     {  
     fprintf(outfile, "%3d Bra %d", (code[1] << 8) + code[2], *code - OP_BRA);  
     code += 2;  
     }  
   
   else switch(*code)  
     {  
     case OP_END:  
     fprintf(outfile, "    %s\n", OP_names[*code]);  
     fprintf(outfile, "------------------------------------------------------------------\n");  
     return;  
   
     case OP_OPT:  
     fprintf(outfile, " %.2x %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_COND:  
     fprintf(outfile, "%3d Cond", (code[1] << 8) + code[2]);  
     code += 2;  
     break;  
   
     case OP_CREF:  
     fprintf(outfile, " %.2d %s", code[1], OP_names[*code]);  
     code++;  
     break;  
   
     case OP_CHARS:  
     charlength = *(++code);  
     fprintf(outfile, "%3d ", charlength);  
     while (charlength-- > 0)  
       if (isprint(c = *(++code))) fprintf(outfile, "%c", c);  
         else fprintf(outfile, "\\x%02x", c);  
     break;  
   
     case OP_KETRMAX:  
     case OP_KETRMIN:  
     case OP_ALT:  
     case OP_KET:  
     case OP_ASSERT:  
     case OP_ASSERT_NOT:  
     case OP_ASSERTBACK:  
     case OP_ASSERTBACK_NOT:  
     case OP_ONCE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_REVERSE:  
     fprintf(outfile, "%3d %s", (code[1] << 8) + code[2], OP_names[*code]);  
     code += 2;  
     break;  
   
     case OP_STAR:  
     case OP_MINSTAR:  
     case OP_PLUS:  
     case OP_MINPLUS:  
     case OP_QUERY:  
     case OP_MINQUERY:  
     case OP_TYPESTAR:  
     case OP_TYPEMINSTAR:  
     case OP_TYPEPLUS:  
     case OP_TYPEMINPLUS:  
     case OP_TYPEQUERY:  
     case OP_TYPEMINQUERY:  
     if (*code >= OP_TYPESTAR)  
       fprintf(outfile, "    %s", OP_names[code[1]]);  
     else if (isprint(c = code[1])) fprintf(outfile, "    %c", c);  
       else fprintf(outfile, "    \\x%02x", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_EXACT:  
     case OP_UPTO:  
     case OP_MINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    %c{", c);  
       else fprintf(outfile, "    \\x%02x{", c);  
     if (*code != OP_EXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_MINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_TYPEEXACT:  
     case OP_TYPEUPTO:  
     case OP_TYPEMINUPTO:  
     fprintf(outfile, "    %s{", OP_names[code[3]]);  
     if (*code != OP_TYPEEXACT) fprintf(outfile, "0,");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_TYPEMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_NOT:  
     if (isprint(c = *(++code))) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     break;  
   
     case OP_NOTSTAR:  
     case OP_NOTMINSTAR:  
     case OP_NOTPLUS:  
     case OP_NOTMINPLUS:  
     case OP_NOTQUERY:  
     case OP_NOTMINQUERY:  
     if (isprint(c = code[1])) fprintf(outfile, "    [^%c]", c);  
       else fprintf(outfile, "    [^\\x%02x]", c);  
     fprintf(outfile, "%s", OP_names[*code++]);  
     break;  
   
     case OP_NOTEXACT:  
     case OP_NOTUPTO:  
     case OP_NOTMINUPTO:  
     if (isprint(c = code[3])) fprintf(outfile, "    [^%c]{", c);  
       else fprintf(outfile, "    [^\\x%02x]{", c);  
     if (*code != OP_NOTEXACT) fprintf(outfile, ",");  
     fprintf(outfile, "%d}", (code[1] << 8) + code[2]);  
     if (*code == OP_NOTMINUPTO) fprintf(outfile, "?");  
     code += 3;  
     break;  
   
     case OP_REF:  
     fprintf(outfile, "    \\%d", *(++code));  
     code++;  
     goto CLASS_REF_REPEAT;  
   
     case OP_CLASS:  
       {  
       int i, min, max;  
       code++;  
       fprintf(outfile, "    [");  
   
       for (i = 0; i < 256; i++)  
         {  
         if ((code[i/8] & (1 << (i&7))) != 0)  
           {  
           int j;  
           for (j = i+1; j < 256; j++)  
             if ((code[j/8] & (1 << (j&7))) == 0) break;  
           if (i == '-' || i == ']') fprintf(outfile, "\\");  
           if (isprint(i)) fprintf(outfile, "%c", i); else fprintf(outfile, "\\x%02x", i);  
           if (--j > i)  
             {  
             fprintf(outfile, "-");  
             if (j == '-' || j == ']') fprintf(outfile, "\\");  
             if (isprint(j)) fprintf(outfile, "%c", j); else fprintf(outfile, "\\x%02x", j);  
             }  
           i = j;  
           }  
         }  
       fprintf(outfile, "]");  
       code += 32;  
   
       CLASS_REF_REPEAT:  
   
       switch(*code)  
         {  
         case OP_CRSTAR:  
         case OP_CRMINSTAR:  
         case OP_CRPLUS:  
         case OP_CRMINPLUS:  
         case OP_CRQUERY:  
         case OP_CRMINQUERY:  
         fprintf(outfile, "%s", OP_names[*code]);  
         break;  
196    
197          case OP_CRRANGE:  static uschar *
198          case OP_CRMINRANGE:  extend_inputline(FILE *f, uschar *start)
199          min = (code[1] << 8) + code[2];  {
200          max = (code[3] << 8) + code[4];  uschar *here = start;
         if (max == 0) fprintf(outfile, "{%d,}", min);  
         else fprintf(outfile, "{%d,%d}", min, max);  
         if (*code == OP_CRMINRANGE) fprintf(outfile, "?");  
         code += 4;  
         break;  
201    
202          default:  for (;;)
203          code--;    {
204          }    int rlen = buffer_size - (here - buffer);
205    
206      if (rlen > 1000)
207        {
208        int dlen;
209        if (fgets((char *)here, rlen,  f) == NULL)
210          return (here == start)? NULL : start;
211        dlen = (int)strlen((char *)here);
212        if (dlen > 0 && here[dlen - 1] == '\n') return start;
213        here += dlen;
214        }
215    
216      else
217        {
218        int new_buffer_size = 2*buffer_size;
219        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
220        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
221        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
222    
223        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
224          {
225          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
226          exit(1);
227        }        }
     break;  
228    
229      /* Anything else is just a one-node item */      memcpy(new_buffer, buffer, buffer_size);
230        memcpy(new_pbuffer, pbuffer, buffer_size);
231    
232        buffer_size = new_buffer_size;
233    
234        start = new_buffer + (start - buffer);
235        here = new_buffer + (here - buffer);
236    
237      default:      free(buffer);
238      fprintf(outfile, "    %s", OP_names[*code]);      free(dbuffer);
239      break;      free(pbuffer);
240    
241        buffer = new_buffer;
242        dbuffer = new_dbuffer;
243        pbuffer = new_pbuffer;
244      }      }
245      }
246    
247    return NULL;  /* Control never gets here */
248    }
249    
250    
251    
252    code++;  
253    fprintf(outfile, "\n");  
254    
255    
256    /*************************************************
257    *          Read number from string               *
258    *************************************************/
259    
260    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
261    around with conditional compilation, just do the job by hand. It is only used
262    for unpicking arguments, so just keep it simple.
263    
264    Arguments:
265      str           string to be converted
266      endptr        where to put the end pointer
267    
268    Returns:        the unsigned long
269    */
270    
271    static int
272    get_value(unsigned char *str, unsigned char **endptr)
273    {
274    int result = 0;
275    while(*str != 0 && isspace(*str)) str++;
276    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
277    *endptr = str;
278    return(result);
279    }
280    
281    
282    
283    
284    /*************************************************
285    *            Convert UTF-8 string to value       *
286    *************************************************/
287    
288    /* This function takes one or more bytes that represents a UTF-8 character,
289    and returns the value of the character.
290    
291    Argument:
292      utf8bytes   a pointer to the byte vector
293      vptr        a pointer to an int to receive the value
294    
295    Returns:      >  0 => the number of bytes consumed
296                  -6 to 0 => malformed UTF-8 character at offset = (-return)
297    */
298    
299    #if !defined NOUTF8
300    
301    static int
302    utf82ord(unsigned char *utf8bytes, int *vptr)
303    {
304    int c = *utf8bytes++;
305    int d = c;
306    int i, j, s;
307    
308    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
309      {
310      if ((d & 0x80) == 0) break;
311      d <<= 1;
312      }
313    
314    if (i == -1) { *vptr = c; return 1; }  /* ascii character */
315    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
316    
317    /* i now has a value in the range 1-5 */
318    
319    s = 6*i;
320    d = (c & utf8_table3[i]) << s;
321    
322    for (j = 0; j < i; j++)
323      {
324      c = *utf8bytes++;
325      if ((c & 0xc0) != 0x80) return -(j+1);
326      s -= 6;
327      d |= (c & 0x3f) << s;
328    }    }
329    
330    /* Check that encoding was the correct unique one */
331    
332    for (j = 0; j < utf8_table1_size; j++)
333      if (d <= utf8_table1[j]) break;
334    if (j != i) return -(i+1);
335    
336    /* Valid value */
337    
338    *vptr = d;
339    return i+1;
340  }  }
341    
342    #endif
343    
344    
345    
346    /*************************************************
347    *       Convert character value to UTF-8         *
348    *************************************************/
349    
350    /* This function takes an integer value in the range 0 - 0x7fffffff
351    and encodes it as a UTF-8 character in 0 to 6 bytes.
352    
353    Arguments:
354      cvalue     the character value
355      utf8bytes  pointer to buffer for result - at least 6 bytes long
356    
357    Returns:     number of characters placed in the buffer
358    */
359    
360    #if !defined NOUTF8
361    
362    static int
363    ord2utf8(int cvalue, uschar *utf8bytes)
364    {
365    register int i, j;
366    for (i = 0; i < utf8_table1_size; i++)
367      if (cvalue <= utf8_table1[i]) break;
368    utf8bytes += i;
369    for (j = i; j > 0; j--)
370     {
371     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
372     cvalue >>= 6;
373     }
374    *utf8bytes = utf8_table2[i] | cvalue;
375    return i + 1;
376    }
377    
378    #endif
379    
380    
381    
382    /*************************************************
383    *             Print character string             *
384    *************************************************/
385    
386  /* Character string printing function. */  /* Character string printing function. Must handle UTF-8 strings in utf8
387    mode. Yields number of characters printed. If handed a NULL file, just counts
388    chars without printing. */
389    
390  static void pchars(unsigned char *p, int length)  static int pchars(unsigned char *p, int length, FILE *f)
391  {  {
392  int c;  int c = 0;
393    int yield = 0;
394    
395  while (length-- > 0)  while (length-- > 0)
396    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);    {
397      else fprintf(outfile, "\\x%02x", c);  #if !defined NOUTF8
398      if (use_utf8)
399        {
400        int rc = utf82ord(p, &c);
401    
402        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
403          {
404          length -= rc - 1;
405          p += rc;
406          if (PRINTHEX(c))
407            {
408            if (f != NULL) fprintf(f, "%c", c);
409            yield++;
410            }
411          else
412            {
413            int n = 4;
414            if (f != NULL) fprintf(f, "\\x{%02x}", c);
415            yield += (n <= 0x000000ff)? 2 :
416                     (n <= 0x00000fff)? 3 :
417                     (n <= 0x0000ffff)? 4 :
418                     (n <= 0x000fffff)? 5 : 6;
419            }
420          continue;
421          }
422        }
423    #endif
424    
425       /* Not UTF-8, or malformed UTF-8  */
426    
427      c = *p++;
428      if (PRINTHEX(c))
429        {
430        if (f != NULL) fprintf(f, "%c", c);
431        yield++;
432        }
433      else
434        {
435        if (f != NULL) fprintf(f, "\\x%02x", c);
436        yield += 4;
437        }
438      }
439    
440    return yield;
441    }
442    
443    
444    
445    /*************************************************
446    *              Callout function                  *
447    *************************************************/
448    
449    /* Called from PCRE as a result of the (?C) item. We print out where we are in
450    the match. Yield zero unless more callouts than the fail count, or the callout
451    data is not zero. */
452    
453    static int callout(pcre_callout_block *cb)
454    {
455    FILE *f = (first_callout | callout_extra)? outfile : NULL;
456    int i, pre_start, post_start, subject_length;
457    
458    if (callout_extra)
459      {
460      fprintf(f, "Callout %d: last capture = %d\n",
461        cb->callout_number, cb->capture_last);
462    
463      for (i = 0; i < cb->capture_top * 2; i += 2)
464        {
465        if (cb->offset_vector[i] < 0)
466          fprintf(f, "%2d: <unset>\n", i/2);
467        else
468          {
469          fprintf(f, "%2d: ", i/2);
470          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
471            cb->offset_vector[i+1] - cb->offset_vector[i], f);
472          fprintf(f, "\n");
473          }
474        }
475      }
476    
477    /* Re-print the subject in canonical form, the first time or if giving full
478    datails. On subsequent calls in the same match, we use pchars just to find the
479    printed lengths of the substrings. */
480    
481    if (f != NULL) fprintf(f, "--->");
482    
483    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
484    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
485      cb->current_position - cb->start_match, f);
486    
487    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
488    
489    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
490      cb->subject_length - cb->current_position, f);
491    
492    if (f != NULL) fprintf(f, "\n");
493    
494    /* Always print appropriate indicators, with callout number if not already
495    shown. For automatic callouts, show the pattern offset. */
496    
497    if (cb->callout_number == 255)
498      {
499      fprintf(outfile, "%+3d ", cb->pattern_position);
500      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
501      }
502    else
503      {
504      if (callout_extra) fprintf(outfile, "    ");
505        else fprintf(outfile, "%3d ", cb->callout_number);
506      }
507    
508    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
509    fprintf(outfile, "^");
510    
511    if (post_start > 0)
512      {
513      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
514      fprintf(outfile, "^");
515      }
516    
517    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
518      fprintf(outfile, " ");
519    
520    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
521      pbuffer + cb->pattern_position);
522    
523    fprintf(outfile, "\n");
524    first_callout = 0;
525    
526    if (cb->callout_data != NULL)
527      {
528      int callout_data = *((int *)(cb->callout_data));
529      if (callout_data != 0)
530        {
531        fprintf(outfile, "Callout data = %d\n", callout_data);
532        return callout_data;
533        }
534      }
535    
536    return (cb->callout_number != callout_fail_id)? 0 :
537           (++callout_count >= callout_fail_count)? 1 : 0;
538  }  }
539    
540    
541    /*************************************************
542    *            Local malloc functions              *
543    *************************************************/
544    
545  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
546  compiled re. */  compiled re. */
547    
548  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
549  {  {
550  if (log_store)  void *block = malloc(size);
551    fprintf(outfile, "Memory allocation request: %d (code space %d)\n",  gotten_store = size;
552      (int)size, (int)size - offsetof(real_pcre, code[0]));  if (show_malloc)
553  return malloc(size);    fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
554    return block;
555    }
556    
557    static void new_free(void *block)
558    {
559    if (show_malloc)
560      fprintf(outfile, "free             %p\n", block);
561    free(block);
562    }
563    
564    
565    /* For recursion malloc/free, to test stacking calls */
566    
567    static void *stack_malloc(size_t size)
568    {
569    void *block = malloc(size);
570    if (show_malloc)
571      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
572    return block;
573    }
574    
575    static void stack_free(void *block)
576    {
577    if (show_malloc)
578      fprintf(outfile, "stack_free       %p\n", block);
579    free(block);
580  }  }
581    
582    
583    /*************************************************
584    *          Call pcre_fullinfo()                  *
585    *************************************************/
586    
587    /* Get one piece of information from the pcre_fullinfo() function */
588    
589    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
590    {
591    int rc;
592    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
593      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
594    }
595    
596    
597    
598    /*************************************************
599    *         Byte flipping function                 *
600    *************************************************/
601    
602    static unsigned long int
603    byteflip(unsigned long int value, int n)
604    {
605    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
606    return ((value & 0x000000ff) << 24) |
607           ((value & 0x0000ff00) <<  8) |
608           ((value & 0x00ff0000) >>  8) |
609           ((value & 0xff000000) >> 24);
610    }
611    
612    
613    
614    
615    /*************************************************
616    *        Check match or recursion limit          *
617    *************************************************/
618    
619    static int
620    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
621      int start_offset, int options, int *use_offsets, int use_size_offsets,
622      int flag, unsigned long int *limit, int errnumber, const char *msg)
623    {
624    int count;
625    int min = 0;
626    int mid = 64;
627    int max = -1;
628    
629    extra->flags |= flag;
630    
631    for (;;)
632      {
633      *limit = mid;
634    
635      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
636        use_offsets, use_size_offsets);
637    
638      if (count == errnumber)
639        {
640        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
641        min = mid;
642        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
643        }
644    
645      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
646                             count == PCRE_ERROR_PARTIAL)
647        {
648        if (mid == min + 1)
649          {
650          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
651          break;
652          }
653        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
654        max = mid;
655        mid = (min + mid)/2;
656        }
657      else break;    /* Some other error */
658      }
659    
660    extra->flags &= ~flag;
661    return count;
662    }
663    
664    
665    
666    /*************************************************
667    *         Check newline indicator                *
668    *************************************************/
669    
670    /* This is used both at compile and run-time to check for <xxx> escapes, where
671    xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is
672    no match.
673    
674    Arguments:
675      p           points after the leading '<'
676      f           file for error message
677    
678    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
679    */
680    
681    static int
682    check_newline(uschar *p, FILE *f)
683    {
684    if (strncmp((char *)p, "cr>", 3) == 0) return PCRE_NEWLINE_CR;
685    if (strncmp((char *)p, "lf>", 3) == 0) return PCRE_NEWLINE_LF;
686    if (strncmp((char *)p, "crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
687    if (strncmp((char *)p, "anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
688    if (strncmp((char *)p, "any>", 4) == 0) return PCRE_NEWLINE_ANY;
689    fprintf(f, "Unknown newline type at: <%s\n", p);
690    return 0;
691    }
692    
693    
694    
695    /*************************************************
696    *             Usage function                     *
697    *************************************************/
698    
699    static void
700    usage(void)
701    {
702    printf("Usage:     pcretest [options] [<input> [<output>]]\n");
703    printf("  -b       show compiled code (bytecode)\n");
704    printf("  -C       show PCRE compile-time options and exit\n");
705    printf("  -d       debug: show compiled code and information (-b and -i)\n");
706    #if !defined NODFA
707    printf("  -dfa     force DFA matching for all subjects\n");
708    #endif
709    printf("  -help    show usage information\n");
710    printf("  -i       show information about compiled patterns\n"
711           "  -m       output memory used information\n"
712           "  -o <n>   set size of offsets vector to <n>\n");
713    #if !defined NOPOSIX
714    printf("  -p       use POSIX interface\n");
715    #endif
716    printf("  -q       quiet: do not output PCRE version number at start\n");
717    printf("  -S <n>   set stack size to <n> megabytes\n");
718    printf("  -s       output store (memory) used information\n"
719           "  -t       time compilation and execution\n");
720    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
721    printf("  -tm      time execution (matching) only\n");
722    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
723    }
724    
725    
726    
727    /*************************************************
728    *                Main Program                    *
729    *************************************************/
730    
731  /* 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
732  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
# Line 293  int options = 0; Line 739  int options = 0;
739  int study_options = 0;  int study_options = 0;
740  int op = 1;  int op = 1;
741  int timeit = 0;  int timeit = 0;
742    int timeitm = 0;
743  int showinfo = 0;  int showinfo = 0;
744  int showstore = 0;  int showstore = 0;
745    int quiet = 0;
746    int size_offsets = 45;
747    int size_offsets_max;
748    int *offsets = NULL;
749    #if !defined NOPOSIX
750  int posix = 0;  int posix = 0;
751    #endif
752  int debug = 0;  int debug = 0;
753  int done = 0;  int done = 0;
754  unsigned char buffer[30000];  int all_use_dfa = 0;
755  unsigned char dbuffer[1024];  int yield = 0;
756    int stack_size;
757    
758    /* These vectors store, end-to-end, a list of captured substring names. Assume
759    that 1024 is plenty long enough for the few names we'll be testing. */
760    
761    uschar copynames[1024];
762    uschar getnames[1024];
763    
764  /* Static so that new_malloc can use it. */  uschar *copynamesptr;
765    uschar *getnamesptr;
766    
767    /* Get buffers from malloc() so that Electric Fence will check their misuse
768    when I am debugging. They grow automatically when very long lines are read. */
769    
770    buffer = (unsigned char *)malloc(buffer_size);
771    dbuffer = (unsigned char *)malloc(buffer_size);
772    pbuffer = (unsigned char *)malloc(buffer_size);
773    
774    /* The outfile variable is static so that new_malloc can use it. */
775    
776  outfile = stdout;  outfile = stdout;
777    
778    /* The following  _setmode() stuff is some Windows magic that tells its runtime
779    library to translate CRLF into a single LF character. At least, that's what
780    I've been told: never having used Windows I take this all on trust. Originally
781    it set 0x8000, but then I was advised that _O_BINARY was better. */
782    
783    #if defined(_WIN32) || defined(WIN32)
784    _setmode( _fileno( stdout ), _O_BINARY );
785    #endif
786    
787  /* Scan options */  /* Scan options */
788    
789  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
790    {    {
791      unsigned char *endptr;
792    
793    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
794      showstore = 1;      showstore = 1;
795    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-q") == 0) quiet = 1;
796      else if (strcmp(argv[op], "-b") == 0) debug = 1;
797    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
798    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
799    #if !defined NODFA
800      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
801    #endif
802      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
803          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
804            *endptr == 0))
805        {
806        op++;
807        argc--;
808        }
809      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
810        {
811        int both = argv[op][2] == 0;
812        int temp;
813        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
814                         *endptr == 0))
815          {
816          timeitm = temp;
817          op++;
818          argc--;
819          }
820        else timeitm = LOOPREPEAT;
821        if (both) timeit = timeitm;
822        }
823      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
824          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
825            *endptr == 0))
826        {
827    #if defined(_WIN32) || defined(WIN32)
828        printf("PCRE: -S not supported on this OS\n");
829        exit(1);
830    #else
831        int rc;
832        struct rlimit rlim;
833        getrlimit(RLIMIT_STACK, &rlim);
834        rlim.rlim_cur = stack_size * 1024 * 1024;
835        rc = setrlimit(RLIMIT_STACK, &rlim);
836        if (rc != 0)
837          {
838        printf("PCRE: setrlimit() failed with error %d\n", rc);
839        exit(1);
840          }
841        op++;
842        argc--;
843    #endif
844        }
845    #if !defined NOPOSIX
846    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
847    #endif
848      else if (strcmp(argv[op], "-C") == 0)
849        {
850        int rc;
851        printf("PCRE version %s\n", pcre_version());
852        printf("Compiled with\n");
853        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
854        printf("  %sUTF-8 support\n", rc? "" : "No ");
855        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
856        printf("  %sUnicode properties support\n", rc? "" : "No ");
857        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
858        printf("  Newline sequence is %s\n", (rc == '\r')? "CR" :
859          (rc == '\n')? "LF" : (rc == ('\r'<<8 | '\n'))? "CRLF" :
860          (rc == -2)? "ANYCRLF" :
861          (rc == -1)? "ANY" : "???");
862        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
863        printf("  Internal link size = %d\n", rc);
864        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
865        printf("  POSIX malloc threshold = %d\n", rc);
866        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &rc);
867        printf("  Default match limit = %d\n", rc);
868        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &rc);
869        printf("  Default recursion depth limit = %d\n", rc);
870        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
871        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
872        goto EXIT;
873        }
874      else if (strcmp(argv[op], "-help") == 0 ||
875               strcmp(argv[op], "--help") == 0)
876        {
877        usage();
878        goto EXIT;
879        }
880    else    else
881      {      {
882      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
883      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
884      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
885             "  -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;  
886      }      }
887    op++;    op++;
888    argc--;    argc--;
889    }    }
890    
891    /* Get the store for the offsets vector, and remember what it was */
892    
893    size_offsets_max = size_offsets;
894    offsets = (int *)malloc(size_offsets_max * sizeof(int));
895    if (offsets == NULL)
896      {
897      printf("** Failed to get %d bytes of memory for offsets vector\n",
898        (int)(size_offsets_max * sizeof(int)));
899      yield = 1;
900      goto EXIT;
901      }
902    
903  /* Sort out the input and output files */  /* Sort out the input and output files */
904    
905  if (argc > 1)  if (argc > 1)
906    {    {
907    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
908    if (infile == NULL)    if (infile == NULL)
909      {      {
910      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
911      return 1;      yield = 1;
912        goto EXIT;
913      }      }
914    }    }
915    
916  if (argc > 2)  if (argc > 2)
917    {    {
918    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
919    if (outfile == NULL)    if (outfile == NULL)
920      {      {
921      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
922      return 1;      yield = 1;
923        goto EXIT;
924      }      }
925    }    }
926    
927  /* Set alternative malloc function */  /* Set alternative malloc function */
928    
929  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
930    pcre_free = new_free;
931    pcre_stack_malloc = stack_malloc;
932    pcre_stack_free = stack_free;
933    
934  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
935    
936  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
937    
938  /* Main loop */  /* Main loop */
939    
# Line 366  while (!done) Line 941  while (!done)
941    {    {
942    pcre *re = NULL;    pcre *re = NULL;
943    pcre_extra *extra = NULL;    pcre_extra *extra = NULL;
944    
945    #if !defined NOPOSIX  /* There are still compilers that require no indent */
946    regex_t preg;    regex_t preg;
947      int do_posix = 0;
948    #endif
949    
950    const char *error;    const char *error;
951    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
952    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
953      const unsigned char *tables = NULL;
954      unsigned long int true_size, true_study_size = 0;
955      size_t size, regex_gotten_store;
956    int do_study = 0;    int do_study = 0;
957    int do_debug = debug;    int do_debug = debug;
958      int do_G = 0;
959      int do_g = 0;
960    int do_showinfo = showinfo;    int do_showinfo = showinfo;
961    int do_posix = 0;    int do_showrest = 0;
962    int erroroffset, len, delimiter;    int do_flip = 0;
963      int erroroffset, len, delimiter, poffset;
964    
965      use_utf8 = 0;
966      debug_lengths = 1;
967    
968    if (infile == stdin) printf("  re> ");    if (infile == stdin) printf("  re> ");
969    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    if (extend_inputline(infile, buffer) == NULL) break;
970    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
971      fflush(outfile);
972    
973    p = buffer;    p = buffer;
974    while (isspace(*p)) p++;    while (isspace(*p)) p++;
975    if (*p == 0) continue;    if (*p == 0) continue;
976    
977    /* 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. */
978    complete, read more. */  
979      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
980        {
981        unsigned long int magic, get_options;
982        uschar sbuf[8];
983        FILE *f;
984    
985        p++;
986        pp = p + (int)strlen((char *)p);
987        while (isspace(pp[-1])) pp--;
988        *pp = 0;
989    
990        f = fopen((char *)p, "rb");
991        if (f == NULL)
992          {
993          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
994          continue;
995          }
996    
997        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
998    
999        true_size =
1000          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1001        true_study_size =
1002          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1003    
1004        re = (real_pcre *)new_malloc(true_size);
1005        regex_gotten_store = gotten_store;
1006    
1007        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1008    
1009        magic = ((real_pcre *)re)->magic_number;
1010        if (magic != MAGIC_NUMBER)
1011          {
1012          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1013            {
1014            do_flip = 1;
1015            }
1016          else
1017            {
1018            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1019            fclose(f);
1020            continue;
1021            }
1022          }
1023    
1024        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1025          do_flip? " (byte-inverted)" : "", p);
1026    
1027        /* Need to know if UTF-8 for printing data strings */
1028    
1029        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1030        use_utf8 = (get_options & PCRE_UTF8) != 0;
1031    
1032        /* Now see if there is any following study data */
1033    
1034        if (true_study_size != 0)
1035          {
1036          pcre_study_data *psd;
1037    
1038          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1039          extra->flags = PCRE_EXTRA_STUDY_DATA;
1040    
1041          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1042          extra->study_data = psd;
1043    
1044          if (fread(psd, 1, true_study_size, f) != true_study_size)
1045            {
1046            FAIL_READ:
1047            fprintf(outfile, "Failed to read data from %s\n", p);
1048            if (extra != NULL) new_free(extra);
1049            if (re != NULL) new_free(re);
1050            fclose(f);
1051            continue;
1052            }
1053          fprintf(outfile, "Study data loaded from %s\n", p);
1054          do_study = 1;     /* To get the data output if requested */
1055          }
1056        else fprintf(outfile, "No study data\n");
1057    
1058        fclose(f);
1059        goto SHOW_INFO;
1060        }
1061    
1062      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1063      the pattern; if is isn't complete, read more. */
1064    
1065    delimiter = *p++;    delimiter = *p++;
1066    
# Line 396  while (!done) Line 1071  while (!done)
1071      }      }
1072    
1073    pp = p;    pp = p;
1074      poffset = p - buffer;
1075    
1076    for(;;)    for(;;)
1077      {      {
# Line 406  while (!done) Line 1082  while (!done)
1082        pp++;        pp++;
1083        }        }
1084      if (*pp != 0) break;      if (*pp != 0) break;
   
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
       {  
       fprintf(outfile, "** Expression too long - missing delimiter?\n");  
       goto SKIP_DATA;  
       }  
   
1085      if (infile == stdin) printf("    > ");      if (infile == stdin) printf("    > ");
1086      if (fgets((char *)pp, len, infile) == NULL)      if ((pp = extend_inputline(infile, pp)) == NULL)
1087        {        {
1088        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1089        done = 1;        done = 1;
# Line 424  while (!done) Line 1092  while (!done)
1092      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1093      }      }
1094    
1095      /* The buffer may have moved while being extended; reset the start of data
1096      pointer to the correct relative point in the buffer. */
1097    
1098      p = buffer + poffset;
1099    
1100    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1101    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1102    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1103    
1104    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1105    
1106    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1107      for callouts. */
1108    
1109    *pp++ = 0;    *pp++ = 0;
1110      strcpy((char *)pbuffer, (char *)p);
1111    
1112    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1113    
# Line 444  while (!done) Line 1119  while (!done)
1119      {      {
1120      switch (*pp++)      switch (*pp++)
1121        {        {
1122          case 'f': options |= PCRE_FIRSTLINE; break;
1123          case 'g': do_g = 1; break;
1124        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1125        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
1126        case 's': options |= PCRE_DOTALL; break;        case 's': options |= PCRE_DOTALL; break;
1127        case 'x': options |= PCRE_EXTENDED; break;        case 'x': options |= PCRE_EXTENDED; break;
1128    
1129          case '+': do_showrest = 1; break;
1130        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1131          case 'B': do_debug = 1; break;
1132          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1133        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1134        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1135          case 'F': do_flip = 1; break;
1136          case 'G': do_G = 1; break;
1137        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1138          case 'J': options |= PCRE_DUPNAMES; break;
1139        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1140          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1141    
1142    #if !defined NOPOSIX
1143        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
1144    #endif
1145    
1146        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1147        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1148        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1149          case 'Z': debug_lengths = 0; break;
1150          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1151          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1152    
1153        case 'L':        case 'L':
1154        ppp = pp;        ppp = pp;
1155        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1156          /* The '0' test is just in case this is an unterminated line. */
1157          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1158        *ppp = 0;        *ppp = 0;
1159        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1160          {          {
1161          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1162          goto SKIP_DATA;          goto SKIP_DATA;
1163          }          }
1164          locale_set = 1;
1165        tables = pcre_maketables();        tables = pcre_maketables();
1166        pp = ppp;        pp = ppp;
1167        break;        break;
1168    
1169        case '\n': case ' ': break;        case '>':
1170          to_file = pp;
1171          while (*pp != 0) pp++;
1172          while (isspace(pp[-1])) pp--;
1173          *pp = 0;
1174          break;
1175    
1176          case '<':
1177            {
1178            int x = check_newline(pp, outfile);
1179            if (x == 0) goto SKIP_DATA;
1180            options |= x;
1181            while (*pp++ != '>');
1182            }
1183          break;
1184    
1185          case '\r':                      /* So that it works in Windows */
1186          case '\n':
1187          case ' ':
1188          break;
1189    
1190        default:        default:
1191        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1192        goto SKIP_DATA;        goto SKIP_DATA;
# Line 483  while (!done) Line 1197  while (!done)
1197    timing, showing, or debugging options, nor the ability to pass over    timing, showing, or debugging options, nor the ability to pass over
1198    local character tables. */    local character tables. */
1199    
1200    #if !defined NOPOSIX
1201    if (posix || do_posix)    if (posix || do_posix)
1202      {      {
1203      int rc;      int rc;
1204      int cflags = 0;      int cflags = 0;
1205    
1206      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1207      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1208        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1209        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1210        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1211    
1212      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1213    
1214      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 496  while (!done) Line 1216  while (!done)
1216    
1217      if (rc != 0)      if (rc != 0)
1218        {        {
1219        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1220        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1221        goto SKIP_DATA;        goto SKIP_DATA;
1222        }        }
# Line 505  while (!done) Line 1225  while (!done)
1225    /* Handle compiling via the native interface */    /* Handle compiling via the native interface */
1226    
1227    else    else
1228    #endif  /* !defined NOPOSIX */
1229    
1230      {      {
1231      if (timeit)      if (timeit > 0)
1232        {        {
1233        register int i;        register int i;
1234        clock_t time_taken;        clock_t time_taken;
1235        clock_t start_time = clock();        clock_t start_time = clock();
1236        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1237          {          {
1238          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1239          if (re != NULL) free(re);          if (re != NULL) free(re);
1240          }          }
1241        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1242        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1243          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1244          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1245        }        }
1246    
1247      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 535  while (!done) Line 1257  while (!done)
1257          {          {
1258          for (;;)          for (;;)
1259            {            {
1260            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer) == NULL)
1261              {              {
1262              done = 1;              done = 1;
1263              goto CONTINUE;              goto CONTINUE;
# Line 546  while (!done) Line 1268  while (!done)
1268            }            }
1269          fprintf(outfile, "\n");          fprintf(outfile, "\n");
1270          }          }
1271        goto CONTINUE;        goto CONTINUE;
1272        }        }
1273    
1274        /* Compilation succeeded; print data if required. There are now two
1275        info-returning functions. The old one has a limited interface and
1276        returns only limited data. Check that it agrees with the newer one. */
1277    
1278        if (log_store)
1279          fprintf(outfile, "Memory allocation (code space): %d\n",
1280            (int)(gotten_store -
1281                  sizeof(real_pcre) -
1282                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1283    
1284        /* Extract the size for possible writing before possibly flipping it,
1285        and remember the store that was got. */
1286    
1287        true_size = ((real_pcre *)re)->size;
1288        regex_gotten_store = gotten_store;
1289    
1290        /* If /S was present, study the regexp to generate additional info to
1291        help with the matching. */
1292    
1293        if (do_study)
1294          {
1295          if (timeit > 0)
1296            {
1297            register int i;
1298            clock_t time_taken;
1299            clock_t start_time = clock();
1300            for (i = 0; i < timeit; i++)
1301              extra = pcre_study(re, study_options, &error);
1302            time_taken = clock() - start_time;
1303            if (extra != NULL) free(extra);
1304            fprintf(outfile, "  Study time %.4f milliseconds\n",
1305              (((double)time_taken * 1000.0) / (double)timeit) /
1306                (double)CLOCKS_PER_SEC);
1307            }
1308          extra = pcre_study(re, study_options, &error);
1309          if (error != NULL)
1310            fprintf(outfile, "Failed to study: %s\n", error);
1311          else if (extra != NULL)
1312            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1313          }
1314    
1315        /* If the 'F' option was present, we flip the bytes of all the integer
1316        fields in the regex data block and the study block. This is to make it
1317        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1318        compiled on a different architecture. */
1319    
1320        if (do_flip)
1321          {
1322          real_pcre *rre = (real_pcre *)re;
1323          rre->magic_number = byteflip(rre->magic_number, sizeof(rre->magic_number));
1324          rre->size = byteflip(rre->size, sizeof(rre->size));
1325          rre->options = byteflip(rre->options, sizeof(rre->options));
1326          rre->top_bracket = byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1327          rre->top_backref = byteflip(rre->top_backref, sizeof(rre->top_backref));
1328          rre->first_byte = byteflip(rre->first_byte, sizeof(rre->first_byte));
1329          rre->req_byte = byteflip(rre->req_byte, sizeof(rre->req_byte));
1330          rre->name_table_offset = byteflip(rre->name_table_offset,
1331            sizeof(rre->name_table_offset));
1332          rre->name_entry_size = byteflip(rre->name_entry_size,
1333            sizeof(rre->name_entry_size));
1334          rre->name_count = byteflip(rre->name_count, sizeof(rre->name_count));
1335    
1336          if (extra != NULL)
1337            {
1338            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1339            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1340            rsd->options = byteflip(rsd->options, sizeof(rsd->options));
1341            }
1342          }
1343    
1344        /* Extract information from the compiled data if required */
1345    
1346        SHOW_INFO:
1347    
1348        if (do_debug)
1349          {
1350          fprintf(outfile, "------------------------------------------------------------------\n");
1351          pcre_printint(re, outfile, debug_lengths);
1352          }
1353    
1354        if (do_showinfo)
1355          {
1356          unsigned long int get_options, all_options;
1357    #if !defined NOINFOCHECK
1358          int old_first_char, old_options, old_count;
1359    #endif
1360          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1361            hascrorlf;
1362          int nameentrysize, namecount;
1363          const uschar *nametable;
1364    
1365          new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1366          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1367          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1368          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1369          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1370          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1371          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1372          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1373          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1374          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1375          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1376          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1377    
1378    #if !defined NOINFOCHECK
1379          old_count = pcre_info(re, &old_options, &old_first_char);
1380          if (count < 0) fprintf(outfile,
1381            "Error %d from pcre_info()\n", count);
1382          else
1383            {
1384            if (old_count != count) fprintf(outfile,
1385              "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1386                old_count);
1387    
1388            if (old_first_char != first_char) fprintf(outfile,
1389              "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1390                first_char, old_first_char);
1391    
1392            if (old_options != (int)get_options) fprintf(outfile,
1393              "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1394                get_options, old_options);
1395            }
1396    #endif
1397    
1398          if (size != regex_gotten_store) fprintf(outfile,
1399            "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1400            (int)size, (int)regex_gotten_store);
1401    
1402          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1403          if (backrefmax > 0)
1404            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1405    
1406          if (namecount > 0)
1407            {
1408            fprintf(outfile, "Named capturing subpatterns:\n");
1409            while (namecount-- > 0)
1410              {
1411              fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1412                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1413                GET2(nametable, 0));
1414              nametable += nameentrysize;
1415              }
1416            }
1417    
1418          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1419          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1420    
1421          all_options = ((real_pcre *)re)->options;
1422          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1423    
1424          if (get_options == 0) fprintf(outfile, "No options\n");
1425            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1426              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1427              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1428              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1429              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1430              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1431              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1432              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1433              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1434              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1435              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1436              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1437              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1438              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1439    
1440          if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1441    
1442          switch (get_options & PCRE_NEWLINE_BITS)
1443            {
1444            case PCRE_NEWLINE_CR:
1445            fprintf(outfile, "Forced newline sequence: CR\n");
1446            break;
1447    
1448            case PCRE_NEWLINE_LF:
1449            fprintf(outfile, "Forced newline sequence: LF\n");
1450            break;
1451    
1452            case PCRE_NEWLINE_CRLF:
1453            fprintf(outfile, "Forced newline sequence: CRLF\n");
1454            break;
1455    
1456            case PCRE_NEWLINE_ANYCRLF:
1457            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
1458            break;
1459    
1460            case PCRE_NEWLINE_ANY:
1461            fprintf(outfile, "Forced newline sequence: ANY\n");
1462            break;
1463    
1464            default:
1465            break;
1466            }
1467    
1468      /* Compilation succeeded; print data if required */        if (first_char == -1)
1469            {
1470            fprintf(outfile, "First char at start or follows newline\n");
1471            }
1472          else if (first_char < 0)
1473            {
1474            fprintf(outfile, "No first char\n");
1475            }
1476          else
1477            {
1478            int ch = first_char & 255;
1479            const char *caseless = ((first_char & REQ_CASELESS) == 0)?
1480              "" : " (caseless)";
1481            if (PRINTHEX(ch))
1482              fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
1483            else
1484              fprintf(outfile, "First char = %d%s\n", ch, caseless);
1485            }
1486    
1487      if (do_showinfo)        if (need_char < 0)
1488        {          {
1489        int first_char, count;          fprintf(outfile, "No need char\n");
1490            }
1491          else
1492            {
1493            int ch = need_char & 255;
1494            const char *caseless = ((need_char & REQ_CASELESS) == 0)?
1495              "" : " (caseless)";
1496            if (PRINTHEX(ch))
1497              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
1498            else
1499              fprintf(outfile, "Need char = %d%s\n", ch, caseless);
1500            }
1501    
1502        if (do_debug) print_internals(re, outfile);        /* Don't output study size; at present it is in any case a fixed
1503          value, but it varies, depending on the computer architecture, and
1504          so messes up the test suite. (And with the /F option, it might be
1505          flipped.) */
1506    
1507        count = pcre_info(re, &options, &first_char);        if (do_study)
       if (count < 0) fprintf(outfile,  
         "Error %d while reading info\n", count);  
       else  
1508          {          {
1509          fprintf(outfile, "Identifying subpattern count = %d\n", count);          if (extra == NULL)
1510          if (options == 0) fprintf(outfile, "No options\n");            fprintf(outfile, "Study returned NULL\n");
           else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",  
             ((options & PCRE_ANCHORED) != 0)? " anchored" : "",  
             ((options & PCRE_CASELESS) != 0)? " caseless" : "",  
             ((options & PCRE_EXTENDED) != 0)? " extended" : "",  
             ((options & PCRE_MULTILINE) != 0)? " multiline" : "",  
             ((options & PCRE_DOTALL) != 0)? " dotall" : "",  
             ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",  
             ((options & PCRE_EXTRA) != 0)? " extra" : "",  
             ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");  
         if (first_char == -1)  
           {  
           fprintf(outfile, "First char at start or follows \\n\n");  
           }  
         else if (first_char < 0)  
           {  
           fprintf(outfile, "No first char\n");  
           }  
1511          else          else
1512            {            {
1513            if (isprint(first_char))            uschar *start_bits = NULL;
1514              fprintf(outfile, "First char = \'%c\'\n", first_char);            new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
1515    
1516              if (start_bits == NULL)
1517                fprintf(outfile, "No starting byte set\n");
1518            else            else
1519              fprintf(outfile, "First char = %d\n", first_char);              {
1520                int i;
1521                int c = 24;
1522                fprintf(outfile, "Starting byte set: ");
1523                for (i = 0; i < 256; i++)
1524                  {
1525                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
1526                    {
1527                    if (c > 75)
1528                      {
1529                      fprintf(outfile, "\n  ");
1530                      c = 2;
1531                      }
1532                    if (PRINTHEX(i) && i != ' ')
1533                      {
1534                      fprintf(outfile, "%c ", i);
1535                      c += 2;
1536                      }
1537                    else
1538                      {
1539                      fprintf(outfile, "\\x%02x ", i);
1540                      c += 5;
1541                      }
1542                    }
1543                  }
1544                fprintf(outfile, "\n");
1545                }
1546            }            }
1547          }          }
1548        }        }
1549    
1550      /* If /S was present, study the regexp to generate additional info to      /* If the '>' option was present, we write out the regex to a file, and
1551      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
1552        the study length, in big-endian order. */
1553    
1554      if (do_study)      if (to_file != NULL)
1555        {        {
1556        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
1557          if (f == NULL)
1558          {          {
1559          register int i;          fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
         clock_t time_taken;  
         clock_t start_time = clock();  
         for (i = 0; i < LOOPREPEAT; i++)  
           extra = pcre_study(re, study_options, &error);  
         time_taken = clock() - start_time;  
         if (extra != NULL) free(extra);  
         fprintf(outfile, "  Study time %.3f milliseconds\n",  
           ((double)time_taken * 1000.0)/  
           ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));  
1560          }          }
1561          else
       extra = pcre_study(re, study_options, &error);  
       if (error != NULL)  
         fprintf(outfile, "Failed to study: %s\n", error);  
       else if (extra == NULL)  
         fprintf(outfile, "Study returned NULL\n");  
   
       /* This looks at internal information. A bit kludgy to do it this  
       way, but it is useful for testing. */  
   
       else if (do_showinfo)  
1562          {          {
1563          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
1564          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (true_size >> 24)  & 255;
1565            fprintf(outfile, "No starting character set\n");          sbuf[1] = (true_size >> 16)  & 255;
1566            sbuf[2] = (true_size >>  8)  & 255;
1567            sbuf[3] = (true_size)  & 255;
1568    
1569            sbuf[4] = (true_study_size >> 24)  & 255;
1570            sbuf[5] = (true_study_size >> 16)  & 255;
1571            sbuf[6] = (true_study_size >>  8)  & 255;
1572            sbuf[7] = (true_study_size)  & 255;
1573    
1574            if (fwrite(sbuf, 1, 8, f) < 8 ||
1575                fwrite(re, 1, true_size, f) < true_size)
1576              {
1577              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
1578              }
1579          else          else
1580            {            {
1581            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
1582            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
1583              {              {
1584              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
1585                    true_study_size)
1586                {                {
1587                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
1588                  {                  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;  
                 }  
1589                }                }
1590                else fprintf(outfile, "Study data written to %s\n", to_file);
1591    
1592              }              }
           fprintf(outfile, "\n");  
1593            }            }
1594            fclose(f);
1595          }          }
1596    
1597          new_free(re);
1598          if (extra != NULL) new_free(extra);
1599          if (tables != NULL) new_free((void *)tables);
1600          continue;  /* With next regex */
1601        }        }
1602      }      }        /* End of non-POSIX compile */
1603    
1604    /* Read data lines and test them */    /* Read data lines and test them */
1605    
1606    for (;;)    for (;;)
1607      {      {
1608      unsigned char *q;      uschar *q;
1609        uschar *bptr;
1610        int *use_offsets = offsets;
1611        int use_size_offsets = size_offsets;
1612        int callout_data = 0;
1613        int callout_data_set = 0;
1614      int count, c;      int count, c;
1615      int copystrings = 0;      int copystrings = 0;
1616        int find_match_limit = 0;
1617      int getstrings = 0;      int getstrings = 0;
1618      int getlist = 0;      int getlist = 0;
1619      int offsets[45];      int gmatched = 0;
1620      int size_offsets = sizeof(offsets)/sizeof(int);      int start_offset = 0;
1621        int g_notempty = 0;
1622        int use_dfa = 0;
1623    
1624      options = 0;      options = 0;
1625    
1626      if (infile == stdin) printf("  data> ");      *copynames = 0;
1627      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
1628    
1629        copynamesptr = copynames;
1630        getnamesptr = getnames;
1631    
1632        pcre_callout = callout;
1633        first_callout = 1;
1634        callout_extra = 0;
1635        callout_count = 0;
1636        callout_fail_count = 999999;
1637        callout_fail_id = -1;
1638        show_malloc = 0;
1639    
1640        if (extra != NULL) extra->flags &=
1641          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
1642    
1643        len = 0;
1644        for (;;)
1645        {        {
1646        done = 1;        if (infile == stdin) printf("data> ");
1647        goto CONTINUE;        if (extend_inputline(infile, buffer + len) == NULL)
1648            {
1649            if (len > 0) break;
1650            done = 1;
1651            goto CONTINUE;
1652            }
1653          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1654          len = (int)strlen((char *)buffer);
1655          if (buffer[len-1] == '\n') break;
1656        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
1657    
     len = (int)strlen((char *)buffer);  
1658      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
1659      buffer[len] = 0;      buffer[len] = 0;
1660      if (len == 0) break;      if (len == 0) break;
# Line 686  while (!done) Line 1662  while (!done)
1662      p = buffer;      p = buffer;
1663      while (isspace(*p)) p++;      while (isspace(*p)) p++;
1664    
1665      q = dbuffer;      bptr = q = dbuffer;
1666      while ((c = *p++) != 0)      while ((c = *p++) != 0)
1667        {        {
1668        int i = 0;        int i = 0;
1669        int n = 0;        int n = 0;
1670    
1671        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
1672          {          {
1673          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 707  while (!done) Line 1684  while (!done)
1684          c -= '0';          c -= '0';
1685          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
1686            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
1687    
1688    #if !defined NOUTF8
1689            if (use_utf8 && c > 255)
1690              {
1691              unsigned char buff8[8];
1692              int ii, utn;
1693              utn = ord2utf8(c, buff8);
1694              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1695              c = buff8[ii];   /* Last byte */
1696              }
1697    #endif
1698          break;          break;
1699    
1700          case 'x':          case 'x':
1701    
1702            /* Handle \x{..} specially - new Perl thing for utf8 */
1703    
1704    #if !defined NOUTF8
1705            if (*p == '{')
1706              {
1707              unsigned char *pt = p;
1708              c = 0;
1709              while (isxdigit(*(++pt)))
1710                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
1711              if (*pt == '}')
1712                {
1713                unsigned char buff8[8];
1714                int ii, utn;
1715                utn = ord2utf8(c, buff8);
1716                for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1717                c = buff8[ii];   /* Last byte */
1718                p = pt + 1;
1719                break;
1720                }
1721              /* Not correct form; fall through */
1722              }
1723    #endif
1724    
1725            /* Ordinary \x */
1726    
1727          c = 0;          c = 0;
1728          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
1729            {            {
# Line 718  while (!done) Line 1732  while (!done)
1732            }            }
1733          break;          break;
1734    
1735          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
1736          p--;          p--;
1737          continue;          continue;
1738    
1739            case '>':
1740            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
1741            continue;
1742    
1743          case 'A':  /* Option setting */          case 'A':  /* Option setting */
1744          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
1745          continue;          continue;
# Line 731  while (!done) Line 1749  while (!done)
1749          continue;          continue;
1750    
1751          case 'C':          case 'C':
1752          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
1753          copystrings |= 1 << n;            {
1754              while(isdigit(*p)) n = n * 10 + *p++ - '0';
1755              copystrings |= 1 << n;
1756              }
1757            else if (isalnum(*p))
1758              {
1759              uschar *npp = copynamesptr;
1760              while (isalnum(*p)) *npp++ = *p++;
1761              *npp++ = 0;
1762              *npp = 0;
1763              n = pcre_get_stringnumber(re, (char *)copynamesptr);
1764              if (n < 0)
1765                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
1766              copynamesptr = npp;
1767              }
1768            else if (*p == '+')
1769              {
1770              callout_extra = 1;
1771              p++;
1772              }
1773            else if (*p == '-')
1774              {
1775              pcre_callout = NULL;
1776              p++;
1777              }
1778            else if (*p == '!')
1779              {
1780              callout_fail_id = 0;
1781              p++;
1782              while(isdigit(*p))
1783                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
1784              callout_fail_count = 0;
1785              if (*p == '!')
1786                {
1787                p++;
1788                while(isdigit(*p))
1789                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
1790                }
1791              }
1792            else if (*p == '*')
1793              {
1794              int sign = 1;
1795              callout_data = 0;
1796              if (*(++p) == '-') { sign = -1; p++; }
1797              while(isdigit(*p))
1798                callout_data = callout_data * 10 + *p++ - '0';
1799              callout_data *= sign;
1800              callout_data_set = 1;
1801              }
1802            continue;
1803    
1804    #if !defined NODFA
1805            case 'D':
1806    #if !defined NOPOSIX
1807            if (posix || do_posix)
1808              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
1809            else
1810    #endif
1811              use_dfa = 1;
1812            continue;
1813    
1814            case 'F':
1815            options |= PCRE_DFA_SHORTEST;
1816          continue;          continue;
1817    #endif
1818    
1819          case 'G':          case 'G':
1820          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))
1821          getstrings |= 1 << n;            {
1822              while(isdigit(*p)) n = n * 10 + *p++ - '0';
1823              getstrings |= 1 << n;
1824              }
1825            else if (isalnum(*p))
1826              {
1827              uschar *npp = getnamesptr;
1828              while (isalnum(*p)) *npp++ = *p++;
1829              *npp++ = 0;
1830              *npp = 0;
1831              n = pcre_get_stringnumber(re, (char *)getnamesptr);
1832              if (n < 0)
1833                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
1834              getnamesptr = npp;
1835              }
1836          continue;          continue;
1837    
1838          case 'L':          case 'L':
1839          getlist = 1;          getlist = 1;
1840          continue;          continue;
1841    
1842            case 'M':
1843            find_match_limit = 1;
1844            continue;
1845    
1846            case 'N':
1847            options |= PCRE_NOTEMPTY;
1848            continue;
1849    
1850          case 'O':          case 'O':
1851          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
1852          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
1853              {
1854              size_offsets_max = n;
1855              free(offsets);
1856              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
1857              if (offsets == NULL)
1858                {
1859                printf("** Failed to get %d bytes of memory for offsets vector\n",
1860                  (int)(size_offsets_max * sizeof(int)));
1861                yield = 1;
1862                goto EXIT;
1863                }
1864              }
1865            use_size_offsets = n;
1866            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
1867            continue;
1868    
1869            case 'P':
1870            options |= PCRE_PARTIAL;
1871            continue;
1872    
1873            case 'Q':
1874            while(isdigit(*p)) n = n * 10 + *p++ - '0';
1875            if (extra == NULL)
1876              {
1877              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1878              extra->flags = 0;
1879              }
1880            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
1881            extra->match_limit_recursion = n;
1882            continue;
1883    
1884            case 'q':
1885            while(isdigit(*p)) n = n * 10 + *p++ - '0';
1886            if (extra == NULL)
1887              {
1888              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1889              extra->flags = 0;
1890              }
1891            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
1892            extra->match_limit = n;
1893            continue;
1894    
1895    #if !defined NODFA
1896            case 'R':
1897            options |= PCRE_DFA_RESTART;
1898            continue;
1899    #endif
1900    
1901            case 'S':
1902            show_malloc = 1;
1903          continue;          continue;
1904    
1905          case 'Z':          case 'Z':
1906          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
1907          continue;          continue;
1908    
1909            case '?':
1910            options |= PCRE_NO_UTF8_CHECK;
1911            continue;
1912    
1913            case '<':
1914              {
1915              int x = check_newline(p, outfile);
1916              if (x == 0) goto NEXT_DATA;
1917              options |= x;
1918              while (*p++ != '>');
1919              }
1920            continue;
1921          }          }
1922        *q++ = c;        *q++ = c;
1923        }        }
1924      *q = 0;      *q = 0;
1925      len = q - dbuffer;      len = q - dbuffer;
1926    
1927        if ((all_use_dfa || use_dfa) && find_match_limit)
1928          {
1929          printf("**Match limit not relevant for DFA matching: ignored\n");
1930          find_match_limit = 0;
1931          }
1932    
1933      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
1934      support timing. */      support timing or playing with the match limit or callout data. */
1935    
1936    #if !defined NOPOSIX
1937      if (posix || do_posix)      if (posix || do_posix)
1938        {        {
1939        int rc;        int rc;
1940        int eflags = 0;        int eflags = 0;
1941        regmatch_t pmatch[30];        regmatch_t *pmatch = NULL;
1942          if (use_size_offsets > 0)
1943            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
1944        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
1945        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
1946    
1947        rc = regexec(&preg, (char *)dbuffer, sizeof(pmatch)/sizeof(regmatch_t),        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
         pmatch, eflags);  
1948    
1949        if (rc != 0)        if (rc != 0)
1950          {          {
1951          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1952          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
1953          }          }
1954          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
1955                  != 0)
1956            {
1957            fprintf(outfile, "Matched with REG_NOSUB\n");
1958            }
1959        else        else
1960          {          {
1961          size_t i;          size_t i;
1962          for (i = 0; i < sizeof(pmatch)/sizeof(regmatch_t); i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
1963            {            {
1964            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
1965              {              {
1966              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
1967              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
1968                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
1969              fprintf(outfile, "\n");              fprintf(outfile, "\n");
1970                if (i == 0 && do_showrest)
1971                  {
1972                  fprintf(outfile, " 0+ ");
1973                  (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
1974                    outfile);
1975                  fprintf(outfile, "\n");
1976                  }
1977              }              }
1978            }            }
1979          }          }
1980          free(pmatch);
1981        }        }
1982    
1983      /* Handle matching via the native interface */      /* Handle matching via the native interface - repeats for /g and /G */
1984    
1985      else      else
1986    #endif  /* !defined NOPOSIX */
1987    
1988        for (;; gmatched++)    /* Loop for /g or /G */
1989        {        {
1990        if (timeit)        if (timeitm > 0)
1991          {          {
1992          register int i;          register int i;
1993          clock_t time_taken;          clock_t time_taken;
1994          clock_t start_time = clock();          clock_t start_time = clock();
1995          for (i = 0; i < LOOPREPEAT; i++)  
1996            count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,  #if !defined NODFA
1997              size_offsets);          if (all_use_dfa || use_dfa)
1998              {
1999              int workspace[1000];
2000              for (i = 0; i < timeitm; i++)
2001                count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
2002                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2003                  sizeof(workspace)/sizeof(int));
2004              }
2005            else
2006    #endif
2007    
2008            for (i = 0; i < timeitm; i++)
2009              count = pcre_exec(re, extra, (char *)bptr, len,
2010                start_offset, options | g_notempty, use_offsets, use_size_offsets);
2011    
2012          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2013          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2014            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2015            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2016            }
2017    
2018          /* If find_match_limit is set, we want to do repeated matches with
2019          varying limits in order to find the minimum value for the match limit and
2020          for the recursion limit. */
2021    
2022          if (find_match_limit)
2023            {
2024            if (extra == NULL)
2025              {
2026              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2027              extra->flags = 0;
2028              }
2029    
2030            (void)check_match_limit(re, extra, bptr, len, start_offset,
2031              options|g_notempty, use_offsets, use_size_offsets,
2032              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2033              PCRE_ERROR_MATCHLIMIT, "match()");
2034    
2035            count = check_match_limit(re, extra, bptr, len, start_offset,
2036              options|g_notempty, use_offsets, use_size_offsets,
2037              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2038              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2039          }          }
2040    
2041        count = pcre_exec(re, extra, (char *)dbuffer, len, options, offsets,        /* If callout_data is set, use the interface with additional data */
2042          size_offsets);  
2043          else if (callout_data_set)
2044            {
2045            if (extra == NULL)
2046              {
2047              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2048              extra->flags = 0;
2049              }
2050            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2051            extra->callout_data = &callout_data;
2052            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2053              options | g_notempty, use_offsets, use_size_offsets);
2054            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2055            }
2056    
2057          /* The normal case is just to do the match once, with the default
2058          value of match_limit. */
2059    
2060    #if !defined NODFA
2061          else if (all_use_dfa || use_dfa)
2062            {
2063            int workspace[1000];
2064            count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
2065              options | g_notempty, use_offsets, use_size_offsets, workspace,
2066              sizeof(workspace)/sizeof(int));
2067            if (count == 0)
2068              {
2069              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2070              count = use_size_offsets/2;
2071              }
2072            }
2073    #endif
2074    
2075        if (count == 0)        else
2076          {          {
2077          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2078          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2079            if (count == 0)
2080              {
2081              fprintf(outfile, "Matched, but too many substrings\n");
2082              count = use_size_offsets/3;
2083              }
2084          }          }
2085    
2086          /* Matched */
2087    
2088        if (count >= 0)        if (count >= 0)
2089          {          {
2090          int i;          int i, maxcount;
2091    
2092    #if !defined NODFA
2093            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2094    #endif
2095              maxcount = use_size_offsets/3;
2096    
2097            /* This is a check against a lunatic return value. */
2098    
2099            if (count > maxcount)
2100              {
2101              fprintf(outfile,
2102                "** PCRE error: returned count %d is too big for offset size %d\n",
2103                count, use_size_offsets);
2104              count = use_size_offsets/3;
2105              if (do_g || do_G)
2106                {
2107                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2108                do_g = do_G = FALSE;        /* Break g/G loop */
2109                }
2110              }
2111    
2112          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2113            {            {
2114            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2115              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2116            else            else
2117              {              {
2118              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2119              pchars(dbuffer + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2120                  use_offsets[i+1] - use_offsets[i], outfile);
2121              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2122                if (i == 0)
2123                  {
2124                  if (do_showrest)
2125                    {
2126                    fprintf(outfile, " 0+ ");
2127                    (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2128                      outfile);
2129                    fprintf(outfile, "\n");
2130                    }
2131                  }
2132              }              }
2133            }            }
2134    
# Line 839  while (!done) Line 2136  while (!done)
2136            {            {
2137            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2138              {              {
2139              char buffer[16];              char copybuffer[256];
2140              int rc = pcre_copy_substring((char *)dbuffer, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2141                i, buffer, sizeof(buffer));                i, copybuffer, sizeof(copybuffer));
2142              if (rc < 0)              if (rc < 0)
2143                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
2144              else              else
2145                fprintf(outfile, "%2dC %s (%d)\n", i, buffer, rc);                fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
2146              }              }
2147            }            }
2148    
2149            for (copynamesptr = copynames;
2150                 *copynamesptr != 0;
2151                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2152              {
2153              char copybuffer[256];
2154              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2155                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2156              if (rc < 0)
2157                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2158              else
2159                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2160              }
2161    
2162          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2163            {            {
2164            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2165              {              {
2166              const char *substring;              const char *substring;
2167              int rc = pcre_get_substring((char *)dbuffer, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2168                i, &substring);                i, &substring);
2169              if (rc < 0)              if (rc < 0)
2170                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2171              else              else
2172                {                {
2173                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2174                free((void *)substring);                pcre_free_substring(substring);
2175                }                }
2176              }              }
2177            }            }
2178    
2179            for (getnamesptr = getnames;
2180                 *getnamesptr != 0;
2181                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2182              {
2183              const char *substring;
2184              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2185                count, (char *)getnamesptr, &substring);
2186              if (rc < 0)
2187                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2188              else
2189                {
2190                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2191                pcre_free_substring(substring);
2192                }
2193              }
2194    
2195          if (getlist)          if (getlist)
2196            {            {
2197            const char **stringlist;            const char **stringlist;
2198            int rc = pcre_get_substring_list((char *)dbuffer, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2199              &stringlist);              &stringlist);
2200            if (rc < 0)            if (rc < 0)
2201              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 879  while (!done) Line 2205  while (!done)
2205                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2206              if (stringlist[i] != NULL)              if (stringlist[i] != NULL)
2207                fprintf(outfile, "string list not terminated by NULL\n");                fprintf(outfile, "string list not terminated by NULL\n");
2208              free((void *)stringlist);              /* free((void *)stringlist); */
2209                pcre_free_substring_list(stringlist);
2210              }              }
2211            }            }
2212            }
2213    
2214          /* There was a partial match */
2215    
2216          else if (count == PCRE_ERROR_PARTIAL)
2217            {
2218            fprintf(outfile, "Partial match");
2219    #if !defined NODFA
2220            if ((all_use_dfa || use_dfa) && use_size_offsets > 2)
2221              fprintf(outfile, ": %.*s", use_offsets[1] - use_offsets[0],
2222                bptr + use_offsets[0]);
2223    #endif
2224            fprintf(outfile, "\n");
2225            break;  /* Out of the /g loop */
2226          }          }
2227    
2228          /* Failed to match. If this is a /g or /G loop and we previously set
2229          g_notempty after a null match, this is not necessarily the end. We want
2230          to advance the start offset, and continue. We won't be at the end of the
2231          string - that was checked before setting g_notempty.
2232    
2233          Complication arises in the case when the newline option is "any" or
2234          "anycrlf". If the previous match was at the end of a line terminated by
2235          CRLF, an advance of one character just passes the \r, whereas we should
2236          prefer the longer newline sequence, as does the code in pcre_exec().
2237          Fudge the offset value to achieve this.
2238    
2239          Otherwise, in the case of UTF-8 matching, the advance must be one
2240          character, not one byte. */
2241    
2242        else        else
2243          {          {
2244          if (count == -1) fprintf(outfile, "No match\n");          if (g_notempty != 0)
2245              {
2246              int onechar = 1;
2247              unsigned int obits = ((real_pcre *)re)->options;
2248              use_offsets[0] = start_offset;
2249              if ((obits & PCRE_NEWLINE_BITS) == 0)
2250                {
2251                int d;
2252                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2253                obits = (d == '\r')? PCRE_NEWLINE_CR :
2254                        (d == '\n')? PCRE_NEWLINE_LF :
2255                        (d == ('\r'<<8 | '\n'))? PCRE_NEWLINE_CRLF :
2256                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2257                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2258                }
2259              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2260                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2261                  &&
2262                  start_offset < len - 1 &&
2263                  bptr[start_offset] == '\r' &&
2264                  bptr[start_offset+1] == '\n')
2265                onechar++;
2266              else if (use_utf8)
2267                {
2268                while (start_offset + onechar < len)
2269                  {
2270                  int tb = bptr[start_offset+onechar];
2271                  if (tb <= 127) break;
2272                  tb &= 0xc0;
2273                  if (tb != 0 && tb != 0xc0) onechar++;
2274                  }
2275                }
2276              use_offsets[1] = start_offset + onechar;
2277              }
2278            else
2279              {
2280              if (count == PCRE_ERROR_NOMATCH)
2281                {
2282                if (gmatched == 0) fprintf(outfile, "No match\n");
2283                }
2284            else fprintf(outfile, "Error %d\n", count);            else fprintf(outfile, "Error %d\n", count);
2285              break;  /* Out of the /g loop */
2286              }
2287          }          }
2288        }  
2289      }        /* If not /g or /G we are done */
2290    
2291          if (!do_g && !do_G) break;
2292    
2293          /* If we have matched an empty string, first check to see if we are at
2294          the end of the subject. If so, the /g loop is over. Otherwise, mimic
2295          what Perl's /g options does. This turns out to be rather cunning. First
2296          we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the
2297          same point. If this fails (picked up above) we advance to the next
2298          character. */
2299    
2300          g_notempty = 0;
2301    
2302          if (use_offsets[0] == use_offsets[1])
2303            {
2304            if (use_offsets[0] == len) break;
2305            g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;
2306            }
2307    
2308          /* For /g, update the start offset, leaving the rest alone */
2309    
2310          if (do_g) start_offset = use_offsets[1];
2311    
2312          /* For /G, update the pointer and length */
2313    
2314          else
2315            {
2316            bptr += use_offsets[1];
2317            len -= use_offsets[1];
2318            }
2319          }  /* End of loop for /g and /G */
2320    
2321        NEXT_DATA: continue;
2322        }    /* End of loop for data lines */
2323    
2324    CONTINUE:    CONTINUE:
2325    
2326    #if !defined NOPOSIX
2327    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2328    if (re != NULL) free(re);  #endif
2329    if (extra != NULL) free(extra);  
2330      if (re != NULL) new_free(re);
2331      if (extra != NULL) new_free(extra);
2332    if (tables != NULL)    if (tables != NULL)
2333      {      {
2334      free((void *)tables);      new_free((void *)tables);
2335      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2336        locale_set = 0;
2337      }      }
2338    }    }
2339    
2340  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2341  return 0;  
2342    EXIT:
2343    
2344    if (infile != NULL && infile != stdin) fclose(infile);
2345    if (outfile != NULL && outfile != stdout) fclose(outfile);
2346    
2347    free(buffer);
2348    free(dbuffer);
2349    free(pbuffer);
2350    free(offsets);
2351    
2352    return yield;
2353  }  }
2354    
2355  /* End */  /* End of pcretest.c */

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