/[pcre]/code/branches/pcre16/pcretest.c
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revision 41 by nigel, Sat Feb 24 21:39:17 2007 UTC revision 512 by ph10, Tue Mar 30 11:11:52 2010 UTC
# Line 2  Line 2 
2  *             PCRE testing program               *  *             PCRE testing program               *
3  *************************************************/  *************************************************/
4    
5    /* This program was hacked up as a tester for PCRE. I really should have
6    written it more tidily in the first place. Will I ever learn? It has grown and
7    been extended and consequently is now rather, er, *very* untidy in places.
8    
9    -----------------------------------------------------------------------------
10    Redistribution and use in source and binary forms, with or without
11    modification, are permitted provided that the following conditions are met:
12    
13        * Redistributions of source code must retain the above copyright notice,
14          this list of conditions and the following disclaimer.
15    
16        * Redistributions in binary form must reproduce the above copyright
17          notice, this list of conditions and the following disclaimer in the
18          documentation and/or other materials provided with the distribution.
19    
20        * Neither the name of the University of Cambridge nor the names of its
21          contributors may be used to endorse or promote products derived from
22          this software without specific prior written permission.
23    
24    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34    POSSIBILITY OF SUCH DAMAGE.
35    -----------------------------------------------------------------------------
36    */
37    
38    
39    #ifdef HAVE_CONFIG_H
40    #include "config.h"
41    #endif
42    
43  #include <ctype.h>  #include <ctype.h>
44  #include <stdio.h>  #include <stdio.h>
45  #include <string.h>  #include <string.h>
46  #include <stdlib.h>  #include <stdlib.h>
47  #include <time.h>  #include <time.h>
48  #include <locale.h>  #include <locale.h>
49    #include <errno.h>
50    
51    #ifdef SUPPORT_LIBREADLINE
52    #ifdef HAVE_UNISTD_H
53    #include <unistd.h>
54    #endif
55    #include <readline/readline.h>
56    #include <readline/history.h>
57    #endif
58    
59    
60    /* A number of things vary for Windows builds. Originally, pcretest opened its
61    input and output without "b"; then I was told that "b" was needed in some
62    environments, so it was added for release 5.0 to both the input and output. (It
63    makes no difference on Unix-like systems.) Later I was told that it is wrong
64    for the input on Windows. I've now abstracted the modes into two macros that
65    are set here, to make it easier to fiddle with them, and removed "b" from the
66    input mode under Windows. */
67    
68    #if defined(_WIN32) || defined(WIN32)
69    #include <io.h>                /* For _setmode() */
70    #include <fcntl.h>             /* For _O_BINARY */
71    #define INPUT_MODE   "r"
72    #define OUTPUT_MODE  "wb"
73    
74    #ifndef isatty
75    #define isatty _isatty         /* This is what Windows calls them, I'm told, */
76    #endif                         /* though in some environments they seem to   */
77                                   /* be already defined, hence the #ifndefs.    */
78    #ifndef fileno
79    #define fileno _fileno
80    #endif
81    
82    #else
83    #include <sys/time.h>          /* These two includes are needed */
84    #include <sys/resource.h>      /* for setrlimit(). */
85    #define INPUT_MODE   "rb"
86    #define OUTPUT_MODE  "wb"
87    #endif
88    
 /* Use the internal info for displaying the results of pcre_study(). */  
89    
90  #include "internal.h"  /* We have to include pcre_internal.h because we need the internal info for
91    displaying the results of pcre_study() and we also need to know about the
92    internal macros, structures, and other internal data values; pcretest has
93    "inside information" compared to a program that strictly follows the PCRE API.
94    
95    Although pcre_internal.h does itself include pcre.h, we explicitly include it
96    here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
97    appropriately for an application, not for building PCRE. */
98    
99    #include "pcre.h"
100    #include "pcre_internal.h"
101    
102    /* We need access to some of the data tables that PCRE uses. So as not to have
103    to keep two copies, we include the source file here, changing the names of the
104    external symbols to prevent clashes. */
105    
106    #define _pcre_ucp_gentype      ucp_gentype
107    #define _pcre_utf8_table1      utf8_table1
108    #define _pcre_utf8_table1_size utf8_table1_size
109    #define _pcre_utf8_table2      utf8_table2
110    #define _pcre_utf8_table3      utf8_table3
111    #define _pcre_utf8_table4      utf8_table4
112    #define _pcre_utt              utt
113    #define _pcre_utt_size         utt_size
114    #define _pcre_utt_names        utt_names
115    #define _pcre_OP_lengths       OP_lengths
116    
117    #include "pcre_tables.c"
118    
119    /* We also need the pcre_printint() function for printing out compiled
120    patterns. This function is in a separate file so that it can be included in
121    pcre_compile.c when that module is compiled with debugging enabled. It needs to
122    know which case is being compiled. */
123    
124    #define COMPILING_PCRETEST
125    #include "pcre_printint.src"
126    
127    /* The definition of the macro PRINTABLE, which determines whether to print an
128    output character as-is or as a hex value when showing compiled patterns, is
129    contained in the printint.src file. We uses it here also, in cases when the
130    locale has not been explicitly changed, so as to get consistent output from
131    systems that differ in their output from isprint() even in the "C" locale. */
132    
133    #define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
134    
135  /* It is possible to compile this test program without including support for  /* It is possible to compile this test program without including support for
136  testing the POSIX interface, though this is not available via the standard  testing the POSIX interface, though this is not available via the standard
# Line 21  Makefile. */ Line 140  Makefile. */
140  #include "pcreposix.h"  #include "pcreposix.h"
141  #endif  #endif
142    
143    /* It is also possible, for the benefit of the version currently imported into
144    Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
145    interface to the DFA matcher (NODFA), and without the doublecheck of the old
146    "info" function (define NOINFOCHECK). In fact, we automatically cut out the
147    UTF8 support if PCRE is built without it. */
148    
149    #ifndef SUPPORT_UTF8
150    #ifndef NOUTF8
151    #define NOUTF8
152    #endif
153    #endif
154    
155    
156    /* Other parameters */
157    
158  #ifndef CLOCKS_PER_SEC  #ifndef CLOCKS_PER_SEC
159  #ifdef CLK_TCK  #ifdef CLK_TCK
160  #define CLOCKS_PER_SEC CLK_TCK  #define CLOCKS_PER_SEC CLK_TCK
# Line 29  Makefile. */ Line 163  Makefile. */
163  #endif  #endif
164  #endif  #endif
165    
166  #define LOOPREPEAT 20000  /* This is the default loop count for timing. */
167    
168    #define LOOPREPEAT 500000
169    
170    /* Static variables */
171    
172  static FILE *outfile;  static FILE *outfile;
173  static int log_store = 0;  static int log_store = 0;
174    static int callout_count;
175    static int callout_extra;
176    static int callout_fail_count;
177    static int callout_fail_id;
178    static int debug_lengths;
179    static int first_callout;
180    static int locale_set = 0;
181    static int show_malloc;
182    static int use_utf8;
183    static size_t gotten_store;
184    
185    /* The buffers grow automatically if very long input lines are encountered. */
186    
187    static int buffer_size = 50000;
188    static uschar *buffer = NULL;
189    static uschar *dbuffer = NULL;
190    static uschar *pbuffer = NULL;
191    
192    
193    
194    /*************************************************
195    *        Read or extend an input line            *
196    *************************************************/
197    
198    /* Input lines are read into buffer, but both patterns and data lines can be
199    continued over multiple input lines. In addition, if the buffer fills up, we
200    want to automatically expand it so as to be able to handle extremely large
201    lines that are needed for certain stress tests. When the input buffer is
202    expanded, the other two buffers must also be expanded likewise, and the
203    contents of pbuffer, which are a copy of the input for callouts, must be
204    preserved (for when expansion happens for a data line). This is not the most
205    optimal way of handling this, but hey, this is just a test program!
206    
207    Arguments:
208      f            the file to read
209      start        where in buffer to start (this *must* be within buffer)
210      prompt       for stdin or readline()
211    
212    Returns:       pointer to the start of new data
213                   could be a copy of start, or could be moved
214                   NULL if no data read and EOF reached
215    */
216    
217    static uschar *
218    extend_inputline(FILE *f, uschar *start, const char *prompt)
219    {
220    uschar *here = start;
221    
222    for (;;)
223      {
224      int rlen = buffer_size - (here - buffer);
225    
226      if (rlen > 1000)
227        {
228        int dlen;
229    
230        /* If libreadline support is required, use readline() to read a line if the
231        input is a terminal. Note that readline() removes the trailing newline, so
232        we must put it back again, to be compatible with fgets(). */
233    
234    #ifdef SUPPORT_LIBREADLINE
235        if (isatty(fileno(f)))
236          {
237          size_t len;
238          char *s = readline(prompt);
239          if (s == NULL) return (here == start)? NULL : start;
240          len = strlen(s);
241          if (len > 0) add_history(s);
242          if (len > rlen - 1) len = rlen - 1;
243          memcpy(here, s, len);
244          here[len] = '\n';
245          here[len+1] = 0;
246          free(s);
247          }
248        else
249    #endif
250    
251        /* Read the next line by normal means, prompting if the file is stdin. */
252    
253          {
254          if (f == stdin) printf(prompt);
255          if (fgets((char *)here, rlen,  f) == NULL)
256            return (here == start)? NULL : start;
257          }
258    
259        dlen = (int)strlen((char *)here);
260        if (dlen > 0 && here[dlen - 1] == '\n') return start;
261        here += dlen;
262        }
263    
264      else
265        {
266        int new_buffer_size = 2*buffer_size;
267        uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
268        uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
269        uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
270    
271        if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
272          {
273          fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
274          exit(1);
275          }
276    
277        memcpy(new_buffer, buffer, buffer_size);
278        memcpy(new_pbuffer, pbuffer, buffer_size);
279    
280        buffer_size = new_buffer_size;
281    
282        start = new_buffer + (start - buffer);
283        here = new_buffer + (here - buffer);
284    
285        free(buffer);
286        free(dbuffer);
287        free(pbuffer);
288    
289        buffer = new_buffer;
290        dbuffer = new_dbuffer;
291        pbuffer = new_pbuffer;
292        }
293      }
294    
295    return NULL;  /* Control never gets here */
296    }
297    
298    
299    
 /* Debugging function to print the internal form of the regex. This is the same  
 code as contained in pcre.c under the DEBUG macro. */  
300    
 static const char *OP_names[] = {  
   "End", "\\A", "\\B", "\\b", "\\D", "\\d",  
   "\\S", "\\s", "\\W", "\\w", "\\Z", "\\z",  
   "Opt", "^", "$", "Any", "chars", "not",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{", "{",  
   "*", "*?", "+", "+?", "?", "??", "{", "{",  
   "class", "Ref",  
   "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",  
   "AssertB", "AssertB not", "Reverse", "Once", "Cond", "Cref",  
   "Brazero", "Braminzero", "Bra"  
 };  
301    
302    
303  static void print_internals(pcre *re)  
304    /*************************************************
305    *          Read number from string               *
306    *************************************************/
307    
308    /* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
309    around with conditional compilation, just do the job by hand. It is only used
310    for unpicking arguments, so just keep it simple.
311    
312    Arguments:
313      str           string to be converted
314      endptr        where to put the end pointer
315    
316    Returns:        the unsigned long
317    */
318    
319    static int
320    get_value(unsigned char *str, unsigned char **endptr)
321  {  {
322  unsigned char *code = ((real_pcre *)re)->code;  int result = 0;
323    while(*str != 0 && isspace(*str)) str++;
324    while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
325    *endptr = str;
326    return(result);
327    }
328    
 fprintf(outfile, "------------------------------------------------------------------\n");  
329    
330  for(;;)  
331    
332    /*************************************************
333    *            Convert UTF-8 string to value       *
334    *************************************************/
335    
336    /* This function takes one or more bytes that represents a UTF-8 character,
337    and returns the value of the character.
338    
339    Argument:
340      utf8bytes   a pointer to the byte vector
341      vptr        a pointer to an int to receive the value
342    
343    Returns:      >  0 => the number of bytes consumed
344                  -6 to 0 => malformed UTF-8 character at offset = (-return)
345    */
346    
347    #if !defined NOUTF8
348    
349    static int
350    utf82ord(unsigned char *utf8bytes, int *vptr)
351    {
352    int c = *utf8bytes++;
353    int d = c;
354    int i, j, s;
355    
356    for (i = -1; i < 6; i++)               /* i is number of additional bytes */
357    {    {
358    int c;    if ((d & 0x80) == 0) break;
359    int charlength;    d <<= 1;
360      }
361    
362    fprintf(outfile, "%3d ", (int)(code - ((real_pcre *)re)->code));  if (i == -1) { *vptr = c; return 1; }  /* ascii character */
363    if (i == 0 || i == 6) return 0;        /* invalid UTF-8 */
364    
365    if (*code >= OP_BRA)  /* i now has a value in the range 1-5 */
     {  
     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;  
366    
367        CLASS_REF_REPEAT:  s = 6*i;
368    d = (c & utf8_table3[i]) << s;
369    
370        switch(*code)  for (j = 0; j < i; j++)
371          {    {
372          case OP_CRSTAR:    c = *utf8bytes++;
373          case OP_CRMINSTAR:    if ((c & 0xc0) != 0x80) return -(j+1);
374          case OP_CRPLUS:    s -= 6;
375          case OP_CRMINPLUS:    d |= (c & 0x3f) << s;
376          case OP_CRQUERY:    }
         case OP_CRMINQUERY:  
         fprintf(outfile, "%s", OP_names[*code]);  
         break;  
377    
378          case OP_CRRANGE:  /* Check that encoding was the correct unique one */
         case OP_CRMINRANGE:  
         min = (code[1] << 8) + code[2];  
         max = (code[3] << 8) + code[4];  
         if (max == 0) fprintf(outfile, "{%d,}", min);  
         else fprintf(outfile, "{%d,%d}", min, max);  
         if (*code == OP_CRMINRANGE) fprintf(outfile, "?");  
         code += 4;  
         break;  
379    
380          default:  for (j = 0; j < utf8_table1_size; j++)
381          code--;    if (d <= utf8_table1[j]) break;
382    if (j != i) return -(i+1);
383    
384    /* Valid value */
385    
386    *vptr = d;
387    return i+1;
388    }
389    
390    #endif
391    
392    
393    
394    /*************************************************
395    *       Convert character value to UTF-8         *
396    *************************************************/
397    
398    /* This function takes an integer value in the range 0 - 0x7fffffff
399    and encodes it as a UTF-8 character in 0 to 6 bytes.
400    
401    Arguments:
402      cvalue     the character value
403      utf8bytes  pointer to buffer for result - at least 6 bytes long
404    
405    Returns:     number of characters placed in the buffer
406    */
407    
408    #if !defined NOUTF8
409    
410    static int
411    ord2utf8(int cvalue, uschar *utf8bytes)
412    {
413    register int i, j;
414    for (i = 0; i < utf8_table1_size; i++)
415      if (cvalue <= utf8_table1[i]) break;
416    utf8bytes += i;
417    for (j = i; j > 0; j--)
418     {
419     *utf8bytes-- = 0x80 | (cvalue & 0x3f);
420     cvalue >>= 6;
421     }
422    *utf8bytes = utf8_table2[i] | cvalue;
423    return i + 1;
424    }
425    
426    #endif
427    
428    
429    
430    /*************************************************
431    *             Print character string             *
432    *************************************************/
433    
434    /* Character string printing function. Must handle UTF-8 strings in utf8
435    mode. Yields number of characters printed. If handed a NULL file, just counts
436    chars without printing. */
437    
438    static int pchars(unsigned char *p, int length, FILE *f)
439    {
440    int c = 0;
441    int yield = 0;
442    
443    while (length-- > 0)
444      {
445    #if !defined NOUTF8
446      if (use_utf8)
447        {
448        int rc = utf82ord(p, &c);
449    
450        if (rc > 0 && rc <= length + 1)   /* Mustn't run over the end */
451          {
452          length -= rc - 1;
453          p += rc;
454          if (PRINTHEX(c))
455            {
456            if (f != NULL) fprintf(f, "%c", c);
457            yield++;
458          }          }
459          else
460            {
461            int n = 4;
462            if (f != NULL) fprintf(f, "\\x{%02x}", c);
463            yield += (n <= 0x000000ff)? 2 :
464                     (n <= 0x00000fff)? 3 :
465                     (n <= 0x0000ffff)? 4 :
466                     (n <= 0x000fffff)? 5 : 6;
467            }
468          continue;
469        }        }
470      break;      }
471    #endif
472    
473      /* Anything else is just a one-node item */     /* Not UTF-8, or malformed UTF-8  */
474    
475      default:    c = *p++;
476      fprintf(outfile, "    %s", OP_names[*code]);    if (PRINTHEX(c))
477      break;      {
478        if (f != NULL) fprintf(f, "%c", c);
479        yield++;
480        }
481      else
482        {
483        if (f != NULL) fprintf(f, "\\x%02x", c);
484        yield += 4;
485      }      }
   
   code++;  
   fprintf(outfile, "\n");  
486    }    }
487    
488    return yield;
489  }  }
490    
491    
492    
493  /* Character string printing function. */  /*************************************************
494    *              Callout function                  *
495    *************************************************/
496    
497    /* Called from PCRE as a result of the (?C) item. We print out where we are in
498    the match. Yield zero unless more callouts than the fail count, or the callout
499    data is not zero. */
500    
501  static void pchars(unsigned char *p, int length)  static int callout(pcre_callout_block *cb)
502  {  {
503  int c;  FILE *f = (first_callout | callout_extra)? outfile : NULL;
504  while (length-- > 0)  int i, pre_start, post_start, subject_length;
505    if (isprint(c = *(p++))) fprintf(outfile, "%c", c);  
506      else fprintf(outfile, "\\x%02x", c);  if (callout_extra)
507      {
508      fprintf(f, "Callout %d: last capture = %d\n",
509        cb->callout_number, cb->capture_last);
510    
511      for (i = 0; i < cb->capture_top * 2; i += 2)
512        {
513        if (cb->offset_vector[i] < 0)
514          fprintf(f, "%2d: <unset>\n", i/2);
515        else
516          {
517          fprintf(f, "%2d: ", i/2);
518          (void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
519            cb->offset_vector[i+1] - cb->offset_vector[i], f);
520          fprintf(f, "\n");
521          }
522        }
523      }
524    
525    /* Re-print the subject in canonical form, the first time or if giving full
526    datails. On subsequent calls in the same match, we use pchars just to find the
527    printed lengths of the substrings. */
528    
529    if (f != NULL) fprintf(f, "--->");
530    
531    pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
532    post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
533      cb->current_position - cb->start_match, f);
534    
535    subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
536    
537    (void)pchars((unsigned char *)(cb->subject + cb->current_position),
538      cb->subject_length - cb->current_position, f);
539    
540    if (f != NULL) fprintf(f, "\n");
541    
542    /* Always print appropriate indicators, with callout number if not already
543    shown. For automatic callouts, show the pattern offset. */
544    
545    if (cb->callout_number == 255)
546      {
547      fprintf(outfile, "%+3d ", cb->pattern_position);
548      if (cb->pattern_position > 99) fprintf(outfile, "\n    ");
549      }
550    else
551      {
552      if (callout_extra) fprintf(outfile, "    ");
553        else fprintf(outfile, "%3d ", cb->callout_number);
554      }
555    
556    for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
557    fprintf(outfile, "^");
558    
559    if (post_start > 0)
560      {
561      for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
562      fprintf(outfile, "^");
563      }
564    
565    for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
566      fprintf(outfile, " ");
567    
568    fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
569      pbuffer + cb->pattern_position);
570    
571    fprintf(outfile, "\n");
572    first_callout = 0;
573    
574    if (cb->callout_data != NULL)
575      {
576      int callout_data = *((int *)(cb->callout_data));
577      if (callout_data != 0)
578        {
579        fprintf(outfile, "Callout data = %d\n", callout_data);
580        return callout_data;
581        }
582      }
583    
584    return (cb->callout_number != callout_fail_id)? 0 :
585           (++callout_count >= callout_fail_count)? 1 : 0;
586  }  }
587    
588    
589    /*************************************************
590    *            Local malloc functions              *
591    *************************************************/
592    
593  /* Alternative malloc function, to test functionality and show the size of the  /* Alternative malloc function, to test functionality and show the size of the
594  compiled re. */  compiled re. */
595    
596  static void *new_malloc(size_t size)  static void *new_malloc(size_t size)
597  {  {
598  if (log_store)  void *block = malloc(size);
599    fprintf(outfile, "Memory allocation (code space): %d\n",  gotten_store = size;
600      (int)((int)size - offsetof(real_pcre, code[0])));  if (show_malloc)
601  return malloc(size);    fprintf(outfile, "malloc       %3d %p\n", (int)size, block);
602    return block;
603  }  }
604    
605    static void new_free(void *block)
606    {
607    if (show_malloc)
608      fprintf(outfile, "free             %p\n", block);
609    free(block);
610    }
611    
612    
613    /* For recursion malloc/free, to test stacking calls */
614    
615    static void *stack_malloc(size_t size)
616    {
617    void *block = malloc(size);
618    if (show_malloc)
619      fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
620    return block;
621    }
622    
623    static void stack_free(void *block)
624    {
625    if (show_malloc)
626      fprintf(outfile, "stack_free       %p\n", block);
627    free(block);
628    }
629    
630    
631    /*************************************************
632    *          Call pcre_fullinfo()                  *
633    *************************************************/
634    
635    /* Get one piece of information from the pcre_fullinfo() function */
636    
637    static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
638    {
639    int rc;
640    if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
641      fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
642    }
643    
644    
645    
646    /*************************************************
647    *         Byte flipping function                 *
648    *************************************************/
649    
650    static unsigned long int
651    byteflip(unsigned long int value, int n)
652    {
653    if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
654    return ((value & 0x000000ff) << 24) |
655           ((value & 0x0000ff00) <<  8) |
656           ((value & 0x00ff0000) >>  8) |
657           ((value & 0xff000000) >> 24);
658    }
659    
660    
661    
662    
663    /*************************************************
664    *        Check match or recursion limit          *
665    *************************************************/
666    
667    static int
668    check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
669      int start_offset, int options, int *use_offsets, int use_size_offsets,
670      int flag, unsigned long int *limit, int errnumber, const char *msg)
671    {
672    int count;
673    int min = 0;
674    int mid = 64;
675    int max = -1;
676    
677    extra->flags |= flag;
678    
679    for (;;)
680      {
681      *limit = mid;
682    
683      count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
684        use_offsets, use_size_offsets);
685    
686      if (count == errnumber)
687        {
688        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
689        min = mid;
690        mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
691        }
692    
693      else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
694                             count == PCRE_ERROR_PARTIAL)
695        {
696        if (mid == min + 1)
697          {
698          fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
699          break;
700          }
701        /* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
702        max = mid;
703        mid = (min + mid)/2;
704        }
705      else break;    /* Some other error */
706      }
707    
708    extra->flags &= ~flag;
709    return count;
710    }
711    
712    
713    
714    /*************************************************
715    *         Case-independent strncmp() function    *
716    *************************************************/
717    
718    /*
719    Arguments:
720      s         first string
721      t         second string
722      n         number of characters to compare
723    
724    Returns:    < 0, = 0, or > 0, according to the comparison
725    */
726    
727    static int
728    strncmpic(uschar *s, uschar *t, int n)
729    {
730    while (n--)
731      {
732      int c = tolower(*s++) - tolower(*t++);
733      if (c) return c;
734      }
735    return 0;
736    }
737    
738    
739    
740    /*************************************************
741    *         Check newline indicator                *
742    *************************************************/
743    
744    /* This is used both at compile and run-time to check for <xxx> escapes, where
745    xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is
746    no match.
747    
748    Arguments:
749      p           points after the leading '<'
750      f           file for error message
751    
752    Returns:      appropriate PCRE_NEWLINE_xxx flags, or 0
753    */
754    
755    static int
756    check_newline(uschar *p, FILE *f)
757    {
758    if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
759    if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
760    if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
761    if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
762    if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
763    if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
764    if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
765    fprintf(f, "Unknown newline type at: <%s\n", p);
766    return 0;
767    }
768    
769    
770    
771    /*************************************************
772    *             Usage function                     *
773    *************************************************/
774    
775    static void
776    usage(void)
777    {
778    printf("Usage:     pcretest [options] [<input file> [<output file>]]\n\n");
779    printf("Input and output default to stdin and stdout.\n");
780    #ifdef SUPPORT_LIBREADLINE
781    printf("If input is a terminal, readline() is used to read from it.\n");
782    #else
783    printf("This version of pcretest is not linked with readline().\n");
784    #endif
785    printf("\nOptions:\n");
786    printf("  -b       show compiled code (bytecode)\n");
787    printf("  -C       show PCRE compile-time options and exit\n");
788    printf("  -d       debug: show compiled code and information (-b and -i)\n");
789    #if !defined NODFA
790    printf("  -dfa     force DFA matching for all subjects\n");
791    #endif
792    printf("  -help    show usage information\n");
793    printf("  -i       show information about compiled patterns\n"
794           "  -M       find MATCH_LIMIT minimum for each subject\n"
795           "  -m       output memory used information\n"
796           "  -o <n>   set size of offsets vector to <n>\n");
797    #if !defined NOPOSIX
798    printf("  -p       use POSIX interface\n");
799    #endif
800    printf("  -q       quiet: do not output PCRE version number at start\n");
801    printf("  -S <n>   set stack size to <n> megabytes\n");
802    printf("  -s       output store (memory) used information\n"
803           "  -t       time compilation and execution\n");
804    printf("  -t <n>   time compilation and execution, repeating <n> times\n");
805    printf("  -tm      time execution (matching) only\n");
806    printf("  -tm <n>  time execution (matching) only, repeating <n> times\n");
807    }
808    
809    
810    
811    /*************************************************
812    *                Main Program                    *
813    *************************************************/
814    
815  /* 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
816  consist of a regular expression, in delimiters and optionally followed by  consist of a regular expression, in delimiters and optionally followed by
817  options, followed by a set of test data, terminated by an empty line. */  options, followed by a set of test data, terminated by an empty line. */
# Line 298  int main(int argc, char **argv) Line 821  int main(int argc, char **argv)
821  FILE *infile = stdin;  FILE *infile = stdin;
822  int options = 0;  int options = 0;
823  int study_options = 0;  int study_options = 0;
824    int default_find_match_limit = FALSE;
825  int op = 1;  int op = 1;
826  int timeit = 0;  int timeit = 0;
827    int timeitm = 0;
828  int showinfo = 0;  int showinfo = 0;
829  int showstore = 0;  int showstore = 0;
830    int quiet = 0;
831    int size_offsets = 45;
832    int size_offsets_max;
833    int *offsets = NULL;
834    #if !defined NOPOSIX
835  int posix = 0;  int posix = 0;
836    #endif
837  int debug = 0;  int debug = 0;
838  int done = 0;  int done = 0;
839  unsigned char buffer[30000];  int all_use_dfa = 0;
840  unsigned char dbuffer[1024];  int yield = 0;
841    int stack_size;
842    
843    /* These vectors store, end-to-end, a list of captured substring names. Assume
844    that 1024 is plenty long enough for the few names we'll be testing. */
845    
846  /* Static so that new_malloc can use it. */  uschar copynames[1024];
847    uschar getnames[1024];
848    
849    uschar *copynamesptr;
850    uschar *getnamesptr;
851    
852    /* Get buffers from malloc() so that Electric Fence will check their misuse
853    when I am debugging. They grow automatically when very long lines are read. */
854    
855    buffer = (unsigned char *)malloc(buffer_size);
856    dbuffer = (unsigned char *)malloc(buffer_size);
857    pbuffer = (unsigned char *)malloc(buffer_size);
858    
859    /* The outfile variable is static so that new_malloc can use it. */
860    
861  outfile = stdout;  outfile = stdout;
862    
863    /* The following  _setmode() stuff is some Windows magic that tells its runtime
864    library to translate CRLF into a single LF character. At least, that's what
865    I've been told: never having used Windows I take this all on trust. Originally
866    it set 0x8000, but then I was advised that _O_BINARY was better. */
867    
868    #if defined(_WIN32) || defined(WIN32)
869    _setmode( _fileno( stdout ), _O_BINARY );
870    #endif
871    
872  /* Scan options */  /* Scan options */
873    
874  while (argc > 1 && argv[op][0] == '-')  while (argc > 1 && argv[op][0] == '-')
875    {    {
876      unsigned char *endptr;
877    
878    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)    if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
879      showstore = 1;      showstore = 1;
880    else if (strcmp(argv[op], "-t") == 0) timeit = 1;    else if (strcmp(argv[op], "-q") == 0) quiet = 1;
881      else if (strcmp(argv[op], "-b") == 0) debug = 1;
882    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;    else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
883    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;    else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
884      else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
885    #if !defined NODFA
886      else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
887    #endif
888      else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
889          ((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
890            *endptr == 0))
891        {
892        op++;
893        argc--;
894        }
895      else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
896        {
897        int both = argv[op][2] == 0;
898        int temp;
899        if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
900                         *endptr == 0))
901          {
902          timeitm = temp;
903          op++;
904          argc--;
905          }
906        else timeitm = LOOPREPEAT;
907        if (both) timeit = timeitm;
908        }
909      else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
910          ((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
911            *endptr == 0))
912        {
913    #if defined(_WIN32) || defined(WIN32)
914        printf("PCRE: -S not supported on this OS\n");
915        exit(1);
916    #else
917        int rc;
918        struct rlimit rlim;
919        getrlimit(RLIMIT_STACK, &rlim);
920        rlim.rlim_cur = stack_size * 1024 * 1024;
921        rc = setrlimit(RLIMIT_STACK, &rlim);
922        if (rc != 0)
923          {
924        printf("PCRE: setrlimit() failed with error %d\n", rc);
925        exit(1);
926          }
927        op++;
928        argc--;
929    #endif
930        }
931    #if !defined NOPOSIX
932    else if (strcmp(argv[op], "-p") == 0) posix = 1;    else if (strcmp(argv[op], "-p") == 0) posix = 1;
933    #endif
934      else if (strcmp(argv[op], "-C") == 0)
935        {
936        int rc;
937        unsigned long int lrc;
938        printf("PCRE version %s\n", pcre_version());
939        printf("Compiled with\n");
940        (void)pcre_config(PCRE_CONFIG_UTF8, &rc);
941        printf("  %sUTF-8 support\n", rc? "" : "No ");
942        (void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
943        printf("  %sUnicode properties support\n", rc? "" : "No ");
944        (void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
945        /* Note that these values are always the ASCII values, even
946        in EBCDIC environments. CR is 13 and NL is 10. */
947        printf("  Newline sequence is %s\n", (rc == 13)? "CR" :
948          (rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
949          (rc == -2)? "ANYCRLF" :
950          (rc == -1)? "ANY" : "???");
951        (void)pcre_config(PCRE_CONFIG_BSR, &rc);
952        printf("  \\R matches %s\n", rc? "CR, LF, or CRLF only" :
953                                         "all Unicode newlines");
954        (void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
955        printf("  Internal link size = %d\n", rc);
956        (void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
957        printf("  POSIX malloc threshold = %d\n", rc);
958        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
959        printf("  Default match limit = %ld\n", lrc);
960        (void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
961        printf("  Default recursion depth limit = %ld\n", lrc);
962        (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
963        printf("  Match recursion uses %s\n", rc? "stack" : "heap");
964        goto EXIT;
965        }
966      else if (strcmp(argv[op], "-help") == 0 ||
967               strcmp(argv[op], "--help") == 0)
968        {
969        usage();
970        goto EXIT;
971        }
972    else    else
973      {      {
974      printf("*** Unknown option %s\n", argv[op]);      printf("** Unknown or malformed option %s\n", argv[op]);
975      printf("Usage: pcretest [-d] [-i] [-p] [-s] [-t] [<input> [<output>]]\n");      usage();
976      printf("  -d   debug: show compiled code; implies -i\n"      yield = 1;
977             "  -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;  
978      }      }
979    op++;    op++;
980    argc--;    argc--;
981    }    }
982    
983    /* Get the store for the offsets vector, and remember what it was */
984    
985    size_offsets_max = size_offsets;
986    offsets = (int *)malloc(size_offsets_max * sizeof(int));
987    if (offsets == NULL)
988      {
989      printf("** Failed to get %d bytes of memory for offsets vector\n",
990        (int)(size_offsets_max * sizeof(int)));
991      yield = 1;
992      goto EXIT;
993      }
994    
995  /* Sort out the input and output files */  /* Sort out the input and output files */
996    
997  if (argc > 1)  if (argc > 1)
998    {    {
999    infile = fopen(argv[op], "r");    infile = fopen(argv[op], INPUT_MODE);
1000    if (infile == NULL)    if (infile == NULL)
1001      {      {
1002      printf("** Failed to open %s\n", argv[op]);      printf("** Failed to open %s\n", argv[op]);
1003      return 1;      yield = 1;
1004        goto EXIT;
1005      }      }
1006    }    }
1007    
1008  if (argc > 2)  if (argc > 2)
1009    {    {
1010    outfile = fopen(argv[op+1], "w");    outfile = fopen(argv[op+1], OUTPUT_MODE);
1011    if (outfile == NULL)    if (outfile == NULL)
1012      {      {
1013      printf("** Failed to open %s\n", argv[op+1]);      printf("** Failed to open %s\n", argv[op+1]);
1014      return 1;      yield = 1;
1015        goto EXIT;
1016      }      }
1017    }    }
1018    
1019  /* Set alternative malloc function */  /* Set alternative malloc function */
1020    
1021  pcre_malloc = new_malloc;  pcre_malloc = new_malloc;
1022    pcre_free = new_free;
1023    pcre_stack_malloc = stack_malloc;
1024    pcre_stack_free = stack_free;
1025    
1026  /* Heading line, then prompt for first regex if stdin */  /* Heading line unless quiet, then prompt for first regex if stdin */
1027    
1028  fprintf(outfile, "PCRE version %s\n\n", pcre_version());  if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
1029    
1030  /* Main loop */  /* Main loop */
1031    
# Line 376  while (!done) Line 1036  while (!done)
1036    
1037  #if !defined NOPOSIX  /* There are still compilers that require no indent */  #if !defined NOPOSIX  /* There are still compilers that require no indent */
1038    regex_t preg;    regex_t preg;
1039      int do_posix = 0;
1040  #endif  #endif
1041    
1042    const char *error;    const char *error;
1043      unsigned char *markptr;
1044    unsigned char *p, *pp, *ppp;    unsigned char *p, *pp, *ppp;
1045    unsigned const char *tables = NULL;    unsigned char *to_file = NULL;
1046      const unsigned char *tables = NULL;
1047      unsigned long int true_size, true_study_size = 0;
1048      size_t size, regex_gotten_store;
1049      int do_mark = 0;
1050    int do_study = 0;    int do_study = 0;
1051    int do_debug = debug;    int do_debug = debug;
1052    int do_G = 0;    int do_G = 0;
1053    int do_g = 0;    int do_g = 0;
1054    int do_showinfo = showinfo;    int do_showinfo = showinfo;
1055    int do_showrest = 0;    int do_showrest = 0;
1056    int do_posix = 0;    int do_flip = 0;
1057    int erroroffset, len, delimiter;    int erroroffset, len, delimiter, poffset;
1058    
1059    if (infile == stdin) printf("  re> ");    use_utf8 = 0;
1060    if (fgets((char *)buffer, sizeof(buffer), infile) == NULL) break;    debug_lengths = 1;
1061    
1062      if (extend_inputline(infile, buffer, "  re> ") == NULL) break;
1063    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);    if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1064      fflush(outfile);
1065    
1066    p = buffer;    p = buffer;
1067    while (isspace(*p)) p++;    while (isspace(*p)) p++;
1068    if (*p == 0) continue;    if (*p == 0) continue;
1069    
1070    /* 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. */
1071    complete, read more. */  
1072      if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
1073        {
1074        unsigned long int magic, get_options;
1075        uschar sbuf[8];
1076        FILE *f;
1077    
1078        p++;
1079        pp = p + (int)strlen((char *)p);
1080        while (isspace(pp[-1])) pp--;
1081        *pp = 0;
1082    
1083        f = fopen((char *)p, "rb");
1084        if (f == NULL)
1085          {
1086          fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
1087          continue;
1088          }
1089    
1090        if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
1091    
1092        true_size =
1093          (sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
1094        true_study_size =
1095          (sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
1096    
1097        re = (real_pcre *)new_malloc(true_size);
1098        regex_gotten_store = gotten_store;
1099    
1100        if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
1101    
1102        magic = ((real_pcre *)re)->magic_number;
1103        if (magic != MAGIC_NUMBER)
1104          {
1105          if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
1106            {
1107            do_flip = 1;
1108            }
1109          else
1110            {
1111            fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
1112            fclose(f);
1113            continue;
1114            }
1115          }
1116    
1117        fprintf(outfile, "Compiled regex%s loaded from %s\n",
1118          do_flip? " (byte-inverted)" : "", p);
1119    
1120        /* Need to know if UTF-8 for printing data strings */
1121    
1122        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1123        use_utf8 = (get_options & PCRE_UTF8) != 0;
1124    
1125        /* Now see if there is any following study data */
1126    
1127        if (true_study_size != 0)
1128          {
1129          pcre_study_data *psd;
1130    
1131          extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
1132          extra->flags = PCRE_EXTRA_STUDY_DATA;
1133    
1134          psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
1135          extra->study_data = psd;
1136    
1137          if (fread(psd, 1, true_study_size, f) != true_study_size)
1138            {
1139            FAIL_READ:
1140            fprintf(outfile, "Failed to read data from %s\n", p);
1141            if (extra != NULL) new_free(extra);
1142            if (re != NULL) new_free(re);
1143            fclose(f);
1144            continue;
1145            }
1146          fprintf(outfile, "Study data loaded from %s\n", p);
1147          do_study = 1;     /* To get the data output if requested */
1148          }
1149        else fprintf(outfile, "No study data\n");
1150    
1151        fclose(f);
1152        goto SHOW_INFO;
1153        }
1154    
1155      /* In-line pattern (the usual case). Get the delimiter and seek the end of
1156      the pattern; if is isn't complete, read more. */
1157    
1158    delimiter = *p++;    delimiter = *p++;
1159    
1160    if (isalnum(delimiter) || delimiter == '\\')    if (isalnum(delimiter) || delimiter == '\\')
1161      {      {
1162      fprintf(outfile, "** Delimiter must not be alphameric or \\\n");      fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
1163      goto SKIP_DATA;      goto SKIP_DATA;
1164      }      }
1165    
1166    pp = p;    pp = p;
1167      poffset = p - buffer;
1168    
1169    for(;;)    for(;;)
1170      {      {
# Line 420  while (!done) Line 1175  while (!done)
1175        pp++;        pp++;
1176        }        }
1177      if (*pp != 0) break;      if (*pp != 0) break;
1178        if ((pp = extend_inputline(infile, pp, "    > ")) == NULL)
     len = sizeof(buffer) - (pp - buffer);  
     if (len < 256)  
       {  
       fprintf(outfile, "** Expression too long - missing delimiter?\n");  
       goto SKIP_DATA;  
       }  
   
     if (infile == stdin) printf("    > ");  
     if (fgets((char *)pp, len, infile) == NULL)  
1179        {        {
1180        fprintf(outfile, "** Unexpected EOF\n");        fprintf(outfile, "** Unexpected EOF\n");
1181        done = 1;        done = 1;
# Line 438  while (!done) Line 1184  while (!done)
1184      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);      if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
1185      }      }
1186    
1187      /* The buffer may have moved while being extended; reset the start of data
1188      pointer to the correct relative point in the buffer. */
1189    
1190      p = buffer + poffset;
1191    
1192    /* If the first character after the delimiter is backslash, make    /* If the first character after the delimiter is backslash, make
1193    the pattern end with backslash. This is purely to provide a way    the pattern end with backslash. This is purely to provide a way
1194    of testing for the error message when a pattern ends with backslash. */    of testing for the error message when a pattern ends with backslash. */
1195    
1196    if (pp[1] == '\\') *pp++ = '\\';    if (pp[1] == '\\') *pp++ = '\\';
1197    
1198    /* Terminate the pattern at the delimiter */    /* Terminate the pattern at the delimiter, and save a copy of the pattern
1199      for callouts. */
1200    
1201    *pp++ = 0;    *pp++ = 0;
1202      strcpy((char *)pbuffer, (char *)p);
1203    
1204    /* Look for options after final delimiter */    /* Look for options after final delimiter */
1205    
# Line 458  while (!done) Line 1211  while (!done)
1211      {      {
1212      switch (*pp++)      switch (*pp++)
1213        {        {
1214          case 'f': options |= PCRE_FIRSTLINE; break;
1215        case 'g': do_g = 1; break;        case 'g': do_g = 1; break;
1216        case 'i': options |= PCRE_CASELESS; break;        case 'i': options |= PCRE_CASELESS; break;
1217        case 'm': options |= PCRE_MULTILINE; break;        case 'm': options |= PCRE_MULTILINE; break;
# Line 466  while (!done) Line 1220  while (!done)
1220    
1221        case '+': do_showrest = 1; break;        case '+': do_showrest = 1; break;
1222        case 'A': options |= PCRE_ANCHORED; break;        case 'A': options |= PCRE_ANCHORED; break;
1223          case 'B': do_debug = 1; break;
1224          case 'C': options |= PCRE_AUTO_CALLOUT; break;
1225        case 'D': do_debug = do_showinfo = 1; break;        case 'D': do_debug = do_showinfo = 1; break;
1226        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;        case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
1227          case 'F': do_flip = 1; break;
1228        case 'G': do_G = 1; break;        case 'G': do_G = 1; break;
1229        case 'I': do_showinfo = 1; break;        case 'I': do_showinfo = 1; break;
1230          case 'J': options |= PCRE_DUPNAMES; break;
1231          case 'K': do_mark = 1; break;
1232        case 'M': log_store = 1; break;        case 'M': log_store = 1; break;
1233          case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
1234    
1235  #if !defined NOPOSIX  #if !defined NOPOSIX
1236        case 'P': do_posix = 1; break;        case 'P': do_posix = 1; break;
# Line 479  while (!done) Line 1239  while (!done)
1239        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1240        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1241        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1242          case 'Z': debug_lengths = 0; break;
1243          case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1244          case '?': options |= PCRE_NO_UTF8_CHECK; break;
1245    
1246        case 'L':        case 'L':
1247        ppp = pp;        ppp = pp;
1248        while (*ppp != '\n' && *ppp != ' ') ppp++;        /* The '\r' test here is so that it works on Windows. */
1249          /* The '0' test is just in case this is an unterminated line. */
1250          while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
1251        *ppp = 0;        *ppp = 0;
1252        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)        if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
1253          {          {
1254          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);          fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
1255          goto SKIP_DATA;          goto SKIP_DATA;
1256          }          }
1257          locale_set = 1;
1258        tables = pcre_maketables();        tables = pcre_maketables();
1259        pp = ppp;        pp = ppp;
1260        break;        break;
1261    
1262        case '\n': case ' ': break;        case '>':
1263          to_file = pp;
1264          while (*pp != 0) pp++;
1265          while (isspace(pp[-1])) pp--;
1266          *pp = 0;
1267          break;
1268    
1269          case '<':
1270            {
1271            if (strncmp((char *)pp, "JS>", 3) == 0)
1272              {
1273              options |= PCRE_JAVASCRIPT_COMPAT;
1274              pp += 3;
1275              }
1276            else
1277              {
1278              int x = check_newline(pp, outfile);
1279              if (x == 0) goto SKIP_DATA;
1280              options |= x;
1281              while (*pp++ != '>');
1282              }
1283            }
1284          break;
1285    
1286          case '\r':                      /* So that it works in Windows */
1287          case '\n':
1288          case ' ':
1289          break;
1290    
1291        default:        default:
1292        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);        fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
1293        goto SKIP_DATA;        goto SKIP_DATA;
# Line 509  while (!done) Line 1303  while (!done)
1303      {      {
1304      int rc;      int rc;
1305      int cflags = 0;      int cflags = 0;
1306    
1307      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;      if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
1308      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;      if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
1309        if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
1310        if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
1311        if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
1312        if ((options & PCRE_UNGREEDY) != 0) cflags |= REG_UNGREEDY;
1313    
1314      rc = regcomp(&preg, (char *)p, cflags);      rc = regcomp(&preg, (char *)p, cflags);
1315    
1316      /* Compilation failed; go back for another re, skipping to blank line      /* Compilation failed; go back for another re, skipping to blank line
# Line 518  while (!done) Line 1318  while (!done)
1318    
1319      if (rc != 0)      if (rc != 0)
1320        {        {
1321        (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));        (void)regerror(rc, &preg, (char *)buffer, buffer_size);
1322        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);        fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
1323        goto SKIP_DATA;        goto SKIP_DATA;
1324        }        }
# Line 530  while (!done) Line 1330  while (!done)
1330  #endif  /* !defined NOPOSIX */  #endif  /* !defined NOPOSIX */
1331    
1332      {      {
1333      if (timeit)      unsigned long int get_options;
1334    
1335        if (timeit > 0)
1336        {        {
1337        register int i;        register int i;
1338        clock_t time_taken;        clock_t time_taken;
1339        clock_t start_time = clock();        clock_t start_time = clock();
1340        for (i = 0; i < LOOPREPEAT; i++)        for (i = 0; i < timeit; i++)
1341          {          {
1342          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);          re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
1343          if (re != NULL) free(re);          if (re != NULL) free(re);
1344          }          }
1345        time_taken = clock() - start_time;        time_taken = clock() - start_time;
1346        fprintf(outfile, "Compile time %.3f milliseconds\n",        fprintf(outfile, "Compile time %.4f milliseconds\n",
1347          ((double)time_taken * 1000.0) /          (((double)time_taken * 1000.0) / (double)timeit) /
1348          ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));            (double)CLOCKS_PER_SEC);
1349        }        }
1350    
1351      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);      re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
# Line 559  while (!done) Line 1361  while (!done)
1361          {          {
1362          for (;;)          for (;;)
1363            {            {
1364            if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)            if (extend_inputline(infile, buffer, NULL) == NULL)
1365              {              {
1366              done = 1;              done = 1;
1367              goto CONTINUE;              goto CONTINUE;
# Line 573  while (!done) Line 1375  while (!done)
1375        goto CONTINUE;        goto CONTINUE;
1376        }        }
1377    
1378      /* Compilation succeeded; print data if required */      /* Compilation succeeded. It is now possible to set the UTF-8 option from
1379        within the regex; check for this so that we know how to process the data
1380        lines. */
1381    
1382        new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
1383        if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
1384    
1385        /* Print information if required. There are now two info-returning
1386        functions. The old one has a limited interface and returns only limited
1387        data. Check that it agrees with the newer one. */
1388    
1389        if (log_store)
1390          fprintf(outfile, "Memory allocation (code space): %d\n",
1391            (int)(gotten_store -
1392                  sizeof(real_pcre) -
1393                  ((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
1394    
1395        /* Extract the size for possible writing before possibly flipping it,
1396        and remember the store that was got. */
1397    
1398        true_size = ((real_pcre *)re)->size;
1399        regex_gotten_store = gotten_store;
1400    
1401        /* If /S was present, study the regexp to generate additional info to
1402        help with the matching. */
1403    
1404        if (do_study)
1405          {
1406          if (timeit > 0)
1407            {
1408            register int i;
1409            clock_t time_taken;
1410            clock_t start_time = clock();
1411            for (i = 0; i < timeit; i++)
1412              extra = pcre_study(re, study_options, &error);
1413            time_taken = clock() - start_time;
1414            if (extra != NULL) free(extra);
1415            fprintf(outfile, "  Study time %.4f milliseconds\n",
1416              (((double)time_taken * 1000.0) / (double)timeit) /
1417                (double)CLOCKS_PER_SEC);
1418            }
1419          extra = pcre_study(re, study_options, &error);
1420          if (error != NULL)
1421            fprintf(outfile, "Failed to study: %s\n", error);
1422          else if (extra != NULL)
1423            true_study_size = ((pcre_study_data *)(extra->study_data))->size;
1424          }
1425    
1426        /* If /K was present, we set up for handling MARK data. */
1427    
1428        if (do_mark)
1429          {
1430          if (extra == NULL)
1431            {
1432            extra = (pcre_extra *)malloc(sizeof(pcre_extra));
1433            extra->flags = 0;
1434            }
1435          extra->mark = &markptr;
1436          extra->flags |= PCRE_EXTRA_MARK;
1437          }
1438    
1439        /* If the 'F' option was present, we flip the bytes of all the integer
1440        fields in the regex data block and the study block. This is to make it
1441        possible to test PCRE's handling of byte-flipped patterns, e.g. those
1442        compiled on a different architecture. */
1443    
1444        if (do_flip)
1445          {
1446          real_pcre *rre = (real_pcre *)re;
1447          rre->magic_number =
1448            byteflip(rre->magic_number, sizeof(rre->magic_number));
1449          rre->size = byteflip(rre->size, sizeof(rre->size));
1450          rre->options = byteflip(rre->options, sizeof(rre->options));
1451          rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
1452          rre->top_bracket =
1453            (pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
1454          rre->top_backref =
1455            (pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
1456          rre->first_byte =
1457            (pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
1458          rre->req_byte =
1459            (pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
1460          rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
1461            sizeof(rre->name_table_offset));
1462          rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
1463            sizeof(rre->name_entry_size));
1464          rre->name_count = (pcre_uint16)byteflip(rre->name_count,
1465            sizeof(rre->name_count));
1466    
1467          if (extra != NULL)
1468            {
1469            pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
1470            rsd->size = byteflip(rsd->size, sizeof(rsd->size));
1471            rsd->flags = byteflip(rsd->flags, sizeof(rsd->flags));
1472            rsd->minlength = byteflip(rsd->minlength, sizeof(rsd->minlength));
1473            }
1474          }
1475    
1476        /* Extract information from the compiled data if required */
1477    
1478        SHOW_INFO:
1479    
1480        if (do_debug)
1481          {
1482          fprintf(outfile, "------------------------------------------------------------------\n");
1483          pcre_printint(re, outfile, debug_lengths);
1484          }
1485    
1486        /* We already have the options in get_options (see above) */
1487    
1488        if (do_showinfo)
1489          {
1490          unsigned long int all_options;
1491    #if !defined NOINFOCHECK
1492          int old_first_char, old_options, old_count;
1493    #endif
1494          int count, backrefmax, first_char, need_char, okpartial, jchanged,
1495            hascrorlf;
1496          int nameentrysize, namecount;
1497          const uschar *nametable;
1498    
1499          new_info(re, NULL, PCRE_INFO_SIZE, &size);
1500          new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
1501          new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
1502          new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
1503          new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
1504          new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
1505          new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
1506          new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
1507          new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
1508          new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
1509          new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
1510    
1511    #if !defined NOINFOCHECK
1512          old_count = pcre_info(re, &old_options, &old_first_char);
1513          if (count < 0) fprintf(outfile,
1514            "Error %d from pcre_info()\n", count);
1515          else
1516            {
1517            if (old_count != count) fprintf(outfile,
1518              "Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
1519                old_count);
1520    
1521            if (old_first_char != first_char) fprintf(outfile,
1522              "First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
1523                first_char, old_first_char);
1524    
1525            if (old_options != (int)get_options) fprintf(outfile,
1526              "Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
1527                get_options, old_options);
1528            }
1529    #endif
1530    
1531          if (size != regex_gotten_store) fprintf(outfile,
1532            "Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
1533            (int)size, (int)regex_gotten_store);
1534    
1535          fprintf(outfile, "Capturing subpattern count = %d\n", count);
1536          if (backrefmax > 0)
1537            fprintf(outfile, "Max back reference = %d\n", backrefmax);
1538    
1539          if (namecount > 0)
1540            {
1541            fprintf(outfile, "Named capturing subpatterns:\n");
1542            while (namecount-- > 0)
1543              {
1544              fprintf(outfile, "  %s %*s%3d\n", nametable + 2,
1545                nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
1546                GET2(nametable, 0));
1547              nametable += nameentrysize;
1548              }
1549            }
1550    
1551          if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
1552          if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
1553    
1554          all_options = ((real_pcre *)re)->options;
1555          if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
1556    
1557          if (get_options == 0) fprintf(outfile, "No options\n");
1558            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1559              ((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
1560              ((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
1561              ((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
1562              ((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
1563              ((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
1564              ((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
1565              ((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
1566              ((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
1567              ((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
1568              ((get_options & PCRE_EXTRA) != 0)? " extra" : "",
1569              ((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
1570              ((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
1571              ((get_options & PCRE_UTF8) != 0)? " utf8" : "",
1572              ((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
1573              ((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
1574    
1575      if (do_showinfo)        if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
1576        {  
1577        int first_char, count;        switch (get_options & PCRE_NEWLINE_BITS)
1578            {
1579            case PCRE_NEWLINE_CR:
1580            fprintf(outfile, "Forced newline sequence: CR\n");
1581            break;
1582    
1583        if (do_debug) print_internals(re);          case PCRE_NEWLINE_LF:
1584            fprintf(outfile, "Forced newline sequence: LF\n");
1585            break;
1586    
1587        count = pcre_info(re, &options, &first_char);          case PCRE_NEWLINE_CRLF:
1588        if (count < 0) fprintf(outfile,          fprintf(outfile, "Forced newline sequence: CRLF\n");
1589          "Error %d while reading info\n", count);          break;
1590    
1591            case PCRE_NEWLINE_ANYCRLF:
1592            fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
1593            break;
1594    
1595            case PCRE_NEWLINE_ANY:
1596            fprintf(outfile, "Forced newline sequence: ANY\n");
1597            break;
1598    
1599            default:
1600            break;
1601            }
1602    
1603          if (first_char == -1)
1604            {
1605            fprintf(outfile, "First char at start or follows newline\n");
1606            }
1607          else if (first_char < 0)
1608            {
1609            fprintf(outfile, "No first char\n");
1610            }
1611        else        else
1612          {          {
1613          fprintf(outfile, "Identifying subpattern count = %d\n", count);          int ch = first_char & 255;
1614          if (options == 0) fprintf(outfile, "No options\n");          const char *caseless = ((first_char & REQ_CASELESS) == 0)?
1615            else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s\n",            "" : " (caseless)";
1616              ((options & PCRE_ANCHORED) != 0)? " anchored" : "",          if (PRINTHEX(ch))
1617              ((options & PCRE_CASELESS) != 0)? " caseless" : "",            fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
1618              ((options & PCRE_EXTENDED) != 0)? " extended" : "",          else
1619              ((options & PCRE_MULTILINE) != 0)? " multiline" : "",            fprintf(outfile, "First char = %d%s\n", ch, caseless);
1620              ((options & PCRE_DOTALL) != 0)? " dotall" : "",          }
             ((options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",  
             ((options & PCRE_EXTRA) != 0)? " extra" : "",  
             ((options & PCRE_UNGREEDY) != 0)? " ungreedy" : "");  
   
         if (((((real_pcre *)re)->options) & PCRE_ICHANGED) != 0)  
           fprintf(outfile, "Case state changes\n");  
1621    
1622          if (first_char == -1)        if (need_char < 0)
1623            {          {
1624            fprintf(outfile, "First char at start or follows \\n\n");          fprintf(outfile, "No need char\n");
1625            }          }
1626          else if (first_char < 0)        else
1627            {          {
1628            fprintf(outfile, "No first char\n");          int ch = need_char & 255;
1629            }          const char *caseless = ((need_char & REQ_CASELESS) == 0)?
1630              "" : " (caseless)";
1631            if (PRINTHEX(ch))
1632              fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
1633          else          else
1634            {            fprintf(outfile, "Need char = %d%s\n", ch, caseless);
1635            if (isprint(first_char))          }
1636              fprintf(outfile, "First char = \'%c\'\n", first_char);  
1637            else        /* Don't output study size; at present it is in any case a fixed
1638              fprintf(outfile, "First char = %d\n", first_char);        value, but it varies, depending on the computer architecture, and
1639            }        so messes up the test suite. (And with the /F option, it might be
1640          flipped.) */
1641    
1642          if (((((real_pcre *)re)->options) & PCRE_REQCHSET) != 0)        if (do_study)
1643            {
1644            if (extra == NULL)
1645              fprintf(outfile, "Study returned NULL\n");
1646            else
1647            {            {
1648            int req_char = ((real_pcre *)re)->req_char;            uschar *start_bits = NULL;
1649            if (isprint(req_char))            int minlength;
1650              fprintf(outfile, "Req char = \'%c\'\n", req_char);  
1651              new_info(re, extra, PCRE_INFO_MINLENGTH, &minlength);
1652              fprintf(outfile, "Subject length lower bound = %d\n", minlength);
1653    
1654              new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
1655              if (start_bits == NULL)
1656                fprintf(outfile, "No set of starting bytes\n");
1657            else            else
1658              fprintf(outfile, "Req char = %d\n", req_char);              {
1659                int i;
1660                int c = 24;
1661                fprintf(outfile, "Starting byte set: ");
1662                for (i = 0; i < 256; i++)
1663                  {
1664                  if ((start_bits[i/8] & (1<<(i&7))) != 0)
1665                    {
1666                    if (c > 75)
1667                      {
1668                      fprintf(outfile, "\n  ");
1669                      c = 2;
1670                      }
1671                    if (PRINTHEX(i) && i != ' ')
1672                      {
1673                      fprintf(outfile, "%c ", i);
1674                      c += 2;
1675                      }
1676                    else
1677                      {
1678                      fprintf(outfile, "\\x%02x ", i);
1679                      c += 5;
1680                      }
1681                    }
1682                  }
1683                fprintf(outfile, "\n");
1684                }
1685            }            }
         else fprintf(outfile, "No req char\n");  
1686          }          }
1687        }        }
1688    
1689      /* 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
1690      help with the matching. */      that is all. The first 8 bytes of the file are the regex length and then
1691        the study length, in big-endian order. */
1692    
1693      if (do_study)      if (to_file != NULL)
1694        {        {
1695        if (timeit)        FILE *f = fopen((char *)to_file, "wb");
1696          if (f == NULL)
1697          {          {
1698          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));  
1699          }          }
1700          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)  
1701          {          {
1702          real_pcre_extra *xx = (real_pcre_extra *)extra;          uschar sbuf[8];
1703          if ((xx->options & PCRE_STUDY_MAPPED) == 0)          sbuf[0] = (uschar)((true_size >> 24) & 255);
1704            fprintf(outfile, "No starting character set\n");          sbuf[1] = (uschar)((true_size >> 16) & 255);
1705            sbuf[2] = (uschar)((true_size >>  8) & 255);
1706            sbuf[3] = (uschar)((true_size) & 255);
1707    
1708            sbuf[4] = (uschar)((true_study_size >> 24) & 255);
1709            sbuf[5] = (uschar)((true_study_size >> 16) & 255);
1710            sbuf[6] = (uschar)((true_study_size >>  8) & 255);
1711            sbuf[7] = (uschar)((true_study_size) & 255);
1712    
1713            if (fwrite(sbuf, 1, 8, f) < 8 ||
1714                fwrite(re, 1, true_size, f) < true_size)
1715              {
1716              fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
1717              }
1718          else          else
1719            {            {
1720            int i;            fprintf(outfile, "Compiled regex written to %s\n", to_file);
1721            int c = 24;            if (extra != NULL)
           fprintf(outfile, "Starting character set: ");  
           for (i = 0; i < 256; i++)  
1722              {              {
1723              if ((xx->start_bits[i/8] & (1<<(i%8))) != 0)              if (fwrite(extra->study_data, 1, true_study_size, f) <
1724                    true_study_size)
1725                {                {
1726                if (c > 75)                fprintf(outfile, "Write error on %s: %s\n", to_file,
1727                  {                  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;  
                 }  
1728                }                }
1729                else fprintf(outfile, "Study data written to %s\n", to_file);
1730    
1731              }              }
           fprintf(outfile, "\n");  
1732            }            }
1733            fclose(f);
1734          }          }
1735    
1736          new_free(re);
1737          if (extra != NULL) new_free(extra);
1738          if (tables != NULL) new_free((void *)tables);
1739          continue;  /* With next regex */
1740        }        }
1741      }      }        /* End of non-POSIX compile */
1742    
1743    /* Read data lines and test them */    /* Read data lines and test them */
1744    
1745    for (;;)    for (;;)
1746      {      {
1747      unsigned char *q;      uschar *q;
1748      unsigned char *bptr = dbuffer;      uschar *bptr;
1749        int *use_offsets = offsets;
1750        int use_size_offsets = size_offsets;
1751        int callout_data = 0;
1752        int callout_data_set = 0;
1753      int count, c;      int count, c;
1754      int copystrings = 0;      int copystrings = 0;
1755        int find_match_limit = default_find_match_limit;
1756      int getstrings = 0;      int getstrings = 0;
1757      int getlist = 0;      int getlist = 0;
1758      int gmatched = 0;      int gmatched = 0;
1759      int start_offset = 0;      int start_offset = 0;
1760      int g_notempty = 0;      int g_notempty = 0;
1761      int offsets[45];      int use_dfa = 0;
     int size_offsets = sizeof(offsets)/sizeof(int);  
1762    
1763      options = 0;      options = 0;
1764    
1765      if (infile == stdin) printf("data> ");      *copynames = 0;
1766      if (fgets((char *)buffer, sizeof(buffer), infile) == NULL)      *getnames = 0;
1767    
1768        copynamesptr = copynames;
1769        getnamesptr = getnames;
1770    
1771        pcre_callout = callout;
1772        first_callout = 1;
1773        callout_extra = 0;
1774        callout_count = 0;
1775        callout_fail_count = 999999;
1776        callout_fail_id = -1;
1777        show_malloc = 0;
1778    
1779        if (extra != NULL) extra->flags &=
1780          ~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
1781    
1782        len = 0;
1783        for (;;)
1784        {        {
1785        done = 1;        if (extend_inputline(infile, buffer + len, "data> ") == NULL)
1786        goto CONTINUE;          {
1787            if (len > 0) break;
1788            done = 1;
1789            goto CONTINUE;
1790            }
1791          if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
1792          len = (int)strlen((char *)buffer);
1793          if (buffer[len-1] == '\n') break;
1794        }        }
     if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);  
1795    
     len = (int)strlen((char *)buffer);  
1796      while (len > 0 && isspace(buffer[len-1])) len--;      while (len > 0 && isspace(buffer[len-1])) len--;
1797      buffer[len] = 0;      buffer[len] = 0;
1798      if (len == 0) break;      if (len == 0) break;
# Line 728  while (!done) Line 1800  while (!done)
1800      p = buffer;      p = buffer;
1801      while (isspace(*p)) p++;      while (isspace(*p)) p++;
1802    
1803      q = dbuffer;      bptr = q = dbuffer;
1804      while ((c = *p++) != 0)      while ((c = *p++) != 0)
1805        {        {
1806        int i = 0;        int i = 0;
1807        int n = 0;        int n = 0;
1808    
1809        if (c == '\\') switch ((c = *p++))        if (c == '\\') switch ((c = *p++))
1810          {          {
1811          case 'a': c =    7; break;          case 'a': c =    7; break;
# Line 749  while (!done) Line 1822  while (!done)
1822          c -= '0';          c -= '0';
1823          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')          while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
1824            c = c * 8 + *p++ - '0';            c = c * 8 + *p++ - '0';
1825    
1826    #if !defined NOUTF8
1827            if (use_utf8 && c > 255)
1828              {
1829              unsigned char buff8[8];
1830              int ii, utn;
1831              utn = ord2utf8(c, buff8);
1832              for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1833              c = buff8[ii];   /* Last byte */
1834              }
1835    #endif
1836          break;          break;
1837    
1838          case 'x':          case 'x':
1839    
1840            /* Handle \x{..} specially - new Perl thing for utf8 */
1841    
1842    #if !defined NOUTF8
1843            if (*p == '{')
1844              {
1845              unsigned char *pt = p;
1846              c = 0;
1847              while (isxdigit(*(++pt)))
1848                c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
1849              if (*pt == '}')
1850                {
1851                unsigned char buff8[8];
1852                int ii, utn;
1853                if (use_utf8)
1854                  {
1855                  utn = ord2utf8(c, buff8);
1856                  for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
1857                  c = buff8[ii];   /* Last byte */
1858                  }
1859                else
1860                 {
1861                 if (c > 255)
1862                   fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
1863                     "UTF-8 mode is not enabled.\n"
1864                     "** Truncation will probably give the wrong result.\n", c);
1865                 }
1866                p = pt + 1;
1867                break;
1868                }
1869              /* Not correct form; fall through */
1870              }
1871    #endif
1872    
1873            /* Ordinary \x */
1874    
1875          c = 0;          c = 0;
1876          while (i++ < 2 && isxdigit(*p))          while (i++ < 2 && isxdigit(*p))
1877            {            {
# Line 760  while (!done) Line 1880  while (!done)
1880            }            }
1881          break;          break;
1882    
1883          case 0:   /* Allows for an empty line */          case 0:   /* \ followed by EOF allows for an empty line */
1884          p--;          p--;
1885          continue;          continue;
1886    
1887            case '>':
1888            while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
1889            continue;
1890    
1891          case 'A':  /* Option setting */          case 'A':  /* Option setting */
1892          options |= PCRE_ANCHORED;          options |= PCRE_ANCHORED;
1893          continue;          continue;
# Line 773  while (!done) Line 1897  while (!done)
1897          continue;          continue;
1898    
1899          case 'C':          case 'C':
1900          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))    /* Set copy string */
1901          copystrings |= 1 << n;            {
1902              while(isdigit(*p)) n = n * 10 + *p++ - '0';
1903              copystrings |= 1 << n;
1904              }
1905            else if (isalnum(*p))
1906              {
1907              uschar *npp = copynamesptr;
1908              while (isalnum(*p)) *npp++ = *p++;
1909              *npp++ = 0;
1910              *npp = 0;
1911              n = pcre_get_stringnumber(re, (char *)copynamesptr);
1912              if (n < 0)
1913                fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
1914              copynamesptr = npp;
1915              }
1916            else if (*p == '+')
1917              {
1918              callout_extra = 1;
1919              p++;
1920              }
1921            else if (*p == '-')
1922              {
1923              pcre_callout = NULL;
1924              p++;
1925              }
1926            else if (*p == '!')
1927              {
1928              callout_fail_id = 0;
1929              p++;
1930              while(isdigit(*p))
1931                callout_fail_id = callout_fail_id * 10 + *p++ - '0';
1932              callout_fail_count = 0;
1933              if (*p == '!')
1934                {
1935                p++;
1936                while(isdigit(*p))
1937                  callout_fail_count = callout_fail_count * 10 + *p++ - '0';
1938                }
1939              }
1940            else if (*p == '*')
1941              {
1942              int sign = 1;
1943              callout_data = 0;
1944              if (*(++p) == '-') { sign = -1; p++; }
1945              while(isdigit(*p))
1946                callout_data = callout_data * 10 + *p++ - '0';
1947              callout_data *= sign;
1948              callout_data_set = 1;
1949              }
1950          continue;          continue;
1951    
1952    #if !defined NODFA
1953            case 'D':
1954    #if !defined NOPOSIX
1955            if (posix || do_posix)
1956              printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
1957            else
1958    #endif
1959              use_dfa = 1;
1960            continue;
1961    
1962            case 'F':
1963            options |= PCRE_DFA_SHORTEST;
1964            continue;
1965    #endif
1966    
1967          case 'G':          case 'G':
1968          while(isdigit(*p)) n = n * 10 + *p++ - '0';          if (isdigit(*p))
1969          getstrings |= 1 << n;            {
1970              while(isdigit(*p)) n = n * 10 + *p++ - '0';
1971              getstrings |= 1 << n;
1972              }
1973            else if (isalnum(*p))
1974              {
1975              uschar *npp = getnamesptr;
1976              while (isalnum(*p)) *npp++ = *p++;
1977              *npp++ = 0;
1978              *npp = 0;
1979              n = pcre_get_stringnumber(re, (char *)getnamesptr);
1980              if (n < 0)
1981                fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
1982              getnamesptr = npp;
1983              }
1984          continue;          continue;
1985    
1986          case 'L':          case 'L':
1987          getlist = 1;          getlist = 1;
1988          continue;          continue;
1989    
1990            case 'M':
1991            find_match_limit = 1;
1992            continue;
1993    
1994          case 'N':          case 'N':
1995          options |= PCRE_NOTEMPTY;          if ((options & PCRE_NOTEMPTY) != 0)
1996              options = (options & ~PCRE_NOTEMPTY) | PCRE_NOTEMPTY_ATSTART;
1997            else
1998              options |= PCRE_NOTEMPTY;
1999          continue;          continue;
2000    
2001          case 'O':          case 'O':
2002          while(isdigit(*p)) n = n * 10 + *p++ - '0';          while(isdigit(*p)) n = n * 10 + *p++ - '0';
2003          if (n <= (int)(sizeof(offsets)/sizeof(int))) size_offsets = n;          if (n > size_offsets_max)
2004              {
2005              size_offsets_max = n;
2006              free(offsets);
2007              use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
2008              if (offsets == NULL)
2009                {
2010                printf("** Failed to get %d bytes of memory for offsets vector\n",
2011                  (int)(size_offsets_max * sizeof(int)));
2012                yield = 1;
2013                goto EXIT;
2014                }
2015              }
2016            use_size_offsets = n;
2017            if (n == 0) use_offsets = NULL;   /* Ensures it can't write to it */
2018            continue;
2019    
2020            case 'P':
2021            options |= ((options & PCRE_PARTIAL_SOFT) == 0)?
2022              PCRE_PARTIAL_SOFT : PCRE_PARTIAL_HARD;
2023            continue;
2024    
2025            case 'Q':
2026            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2027            if (extra == NULL)
2028              {
2029              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2030              extra->flags = 0;
2031              }
2032            extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
2033            extra->match_limit_recursion = n;
2034            continue;
2035    
2036            case 'q':
2037            while(isdigit(*p)) n = n * 10 + *p++ - '0';
2038            if (extra == NULL)
2039              {
2040              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2041              extra->flags = 0;
2042              }
2043            extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
2044            extra->match_limit = n;
2045            continue;
2046    
2047    #if !defined NODFA
2048            case 'R':
2049            options |= PCRE_DFA_RESTART;
2050            continue;
2051    #endif
2052    
2053            case 'S':
2054            show_malloc = 1;
2055            continue;
2056    
2057            case 'Y':
2058            options |= PCRE_NO_START_OPTIMIZE;
2059          continue;          continue;
2060    
2061          case 'Z':          case 'Z':
2062          options |= PCRE_NOTEOL;          options |= PCRE_NOTEOL;
2063          continue;          continue;
2064    
2065            case '?':
2066            options |= PCRE_NO_UTF8_CHECK;
2067            continue;
2068    
2069            case '<':
2070              {
2071              int x = check_newline(p, outfile);
2072              if (x == 0) goto NEXT_DATA;
2073              options |= x;
2074              while (*p++ != '>');
2075              }
2076            continue;
2077          }          }
2078        *q++ = c;        *q++ = c;
2079        }        }
2080      *q = 0;      *q = 0;
2081      len = q - dbuffer;      len = q - dbuffer;
2082    
2083        /* Move the data to the end of the buffer so that a read over the end of
2084        the buffer will be seen by valgrind, even if it doesn't cause a crash. If
2085        we are using the POSIX interface, we must include the terminating zero. */
2086    
2087    #if !defined NOPOSIX
2088        if (posix || do_posix)
2089          {
2090          memmove(bptr + buffer_size - len - 1, bptr, len + 1);
2091          bptr += buffer_size - len - 1;
2092          }
2093        else
2094    #endif
2095          {
2096          memmove(bptr + buffer_size - len, bptr, len);
2097          bptr += buffer_size - len;
2098          }
2099    
2100        if ((all_use_dfa || use_dfa) && find_match_limit)
2101          {
2102          printf("**Match limit not relevant for DFA matching: ignored\n");
2103          find_match_limit = 0;
2104          }
2105    
2106      /* Handle matching via the POSIX interface, which does not      /* Handle matching via the POSIX interface, which does not
2107      support timing. */      support timing or playing with the match limit or callout data. */
2108    
2109  #if !defined NOPOSIX  #if !defined NOPOSIX
2110      if (posix || do_posix)      if (posix || do_posix)
2111        {        {
2112        int rc;        int rc;
2113        int eflags = 0;        int eflags = 0;
2114        regmatch_t pmatch[sizeof(offsets)/sizeof(int)];        regmatch_t *pmatch = NULL;
2115          if (use_size_offsets > 0)
2116            pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
2117        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;        if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
2118        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;        if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
2119          if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
2120    
2121        rc = regexec(&preg, (const char *)bptr, size_offsets, pmatch, eflags);        rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
2122    
2123        if (rc != 0)        if (rc != 0)
2124          {          {
2125          (void)regerror(rc, &preg, (char *)buffer, sizeof(buffer));          (void)regerror(rc, &preg, (char *)buffer, buffer_size);
2126          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);          fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
2127          }          }
2128          else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
2129                  != 0)
2130            {
2131            fprintf(outfile, "Matched with REG_NOSUB\n");
2132            }
2133        else        else
2134          {          {
2135          size_t i;          size_t i;
2136          for (i = 0; i < size_offsets; i++)          for (i = 0; i < (size_t)use_size_offsets; i++)
2137            {            {
2138            if (pmatch[i].rm_so >= 0)            if (pmatch[i].rm_so >= 0)
2139              {              {
2140              fprintf(outfile, "%2d: ", (int)i);              fprintf(outfile, "%2d: ", (int)i);
2141              pchars(dbuffer + pmatch[i].rm_so,              (void)pchars(dbuffer + pmatch[i].rm_so,
2142                pmatch[i].rm_eo - pmatch[i].rm_so);                pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
2143              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2144              if (i == 0 && do_showrest)              if (i == 0 && do_showrest)
2145                {                {
2146                fprintf(outfile, " 0+ ");                fprintf(outfile, " 0+ ");
2147                pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo);                (void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
2148                    outfile);
2149                fprintf(outfile, "\n");                fprintf(outfile, "\n");
2150                }                }
2151              }              }
2152            }            }
2153          }          }
2154          free(pmatch);
2155        }        }
2156    
2157      /* Handle matching via the native interface - repeats for /g and /G */      /* Handle matching via the native interface - repeats for /g and /G */
# Line 852  while (!done) Line 2161  while (!done)
2161    
2162      for (;; gmatched++)    /* Loop for /g or /G */      for (;; gmatched++)    /* Loop for /g or /G */
2163        {        {
2164        if (timeit)        markptr = NULL;
2165    
2166          if (timeitm > 0)
2167          {          {
2168          register int i;          register int i;
2169          clock_t time_taken;          clock_t time_taken;
2170          clock_t start_time = clock();          clock_t start_time = clock();
2171          for (i = 0; i < LOOPREPEAT; i++)  
2172    #if !defined NODFA
2173            if (all_use_dfa || use_dfa)
2174              {
2175              int workspace[1000];
2176              for (i = 0; i < timeitm; i++)
2177                count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2178                  options | g_notempty, use_offsets, use_size_offsets, workspace,
2179                  sizeof(workspace)/sizeof(int));
2180              }
2181            else
2182    #endif
2183    
2184            for (i = 0; i < timeitm; i++)
2185            count = pcre_exec(re, extra, (char *)bptr, len,            count = pcre_exec(re, extra, (char *)bptr, len,
2186              start_offset, options | g_notempty, offsets, size_offsets);              start_offset, options | g_notempty, use_offsets, use_size_offsets);
2187    
2188          time_taken = clock() - start_time;          time_taken = clock() - start_time;
2189          fprintf(outfile, "Execute time %.3f milliseconds\n",          fprintf(outfile, "Execute time %.4f milliseconds\n",
2190            ((double)time_taken * 1000.0)/            (((double)time_taken * 1000.0) / (double)timeitm) /
2191            ((double)LOOPREPEAT * (double)CLOCKS_PER_SEC));              (double)CLOCKS_PER_SEC);
2192            }
2193    
2194          /* If find_match_limit is set, we want to do repeated matches with
2195          varying limits in order to find the minimum value for the match limit and
2196          for the recursion limit. */
2197    
2198          if (find_match_limit)
2199            {
2200            if (extra == NULL)
2201              {
2202              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2203              extra->flags = 0;
2204              }
2205    
2206            (void)check_match_limit(re, extra, bptr, len, start_offset,
2207              options|g_notempty, use_offsets, use_size_offsets,
2208              PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
2209              PCRE_ERROR_MATCHLIMIT, "match()");
2210    
2211            count = check_match_limit(re, extra, bptr, len, start_offset,
2212              options|g_notempty, use_offsets, use_size_offsets,
2213              PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
2214              PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
2215            }
2216    
2217          /* If callout_data is set, use the interface with additional data */
2218    
2219          else if (callout_data_set)
2220            {
2221            if (extra == NULL)
2222              {
2223              extra = (pcre_extra *)malloc(sizeof(pcre_extra));
2224              extra->flags = 0;
2225              }
2226            extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
2227            extra->callout_data = &callout_data;
2228            count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
2229              options | g_notempty, use_offsets, use_size_offsets);
2230            extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
2231          }          }
2232    
2233        count = pcre_exec(re, extra, (char *)bptr, len,        /* The normal case is just to do the match once, with the default
2234          start_offset, options | g_notempty, offsets, size_offsets);        value of match_limit. */
2235    
2236    #if !defined NODFA
2237          else if (all_use_dfa || use_dfa)
2238            {
2239            int workspace[1000];
2240            count = pcre_dfa_exec(re, extra, (char *)bptr, len, start_offset,
2241              options | g_notempty, use_offsets, use_size_offsets, workspace,
2242              sizeof(workspace)/sizeof(int));
2243            if (count == 0)
2244              {
2245              fprintf(outfile, "Matched, but too many subsidiary matches\n");
2246              count = use_size_offsets/2;
2247              }
2248            }
2249    #endif
2250    
2251        if (count == 0)        else
2252          {          {
2253          fprintf(outfile, "Matched, but too many substrings\n");          count = pcre_exec(re, extra, (char *)bptr, len,
2254          count = size_offsets/3;            start_offset, options | g_notempty, use_offsets, use_size_offsets);
2255            if (count == 0)
2256              {
2257              fprintf(outfile, "Matched, but too many substrings\n");
2258              count = use_size_offsets/3;
2259              }
2260          }          }
2261    
2262        /* Matched */        /* Matched */
2263    
2264        if (count >= 0)        if (count >= 0)
2265          {          {
2266          int i;          int i, maxcount;
2267    
2268    #if !defined NODFA
2269            if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
2270    #endif
2271              maxcount = use_size_offsets/3;
2272    
2273            /* This is a check against a lunatic return value. */
2274    
2275            if (count > maxcount)
2276              {
2277              fprintf(outfile,
2278                "** PCRE error: returned count %d is too big for offset size %d\n",
2279                count, use_size_offsets);
2280              count = use_size_offsets/3;
2281              if (do_g || do_G)
2282                {
2283                fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
2284                do_g = do_G = FALSE;        /* Break g/G loop */
2285                }
2286              }
2287    
2288          for (i = 0; i < count * 2; i += 2)          for (i = 0; i < count * 2; i += 2)
2289            {            {
2290            if (offsets[i] < 0)            if (use_offsets[i] < 0)
2291              fprintf(outfile, "%2d: <unset>\n", i/2);              fprintf(outfile, "%2d: <unset>\n", i/2);
2292            else            else
2293              {              {
2294              fprintf(outfile, "%2d: ", i/2);              fprintf(outfile, "%2d: ", i/2);
2295              pchars(bptr + offsets[i], offsets[i+1] - offsets[i]);              (void)pchars(bptr + use_offsets[i],
2296                  use_offsets[i+1] - use_offsets[i], outfile);
2297              fprintf(outfile, "\n");              fprintf(outfile, "\n");
2298              if (i == 0)              if (i == 0)
2299                {                {
2300                if (do_showrest)                if (do_showrest)
2301                  {                  {
2302                  fprintf(outfile, " 0+ ");                  fprintf(outfile, " 0+ ");
2303                  pchars(bptr + offsets[i+1], len - offsets[i+1]);                  (void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
2304                      outfile);
2305                  fprintf(outfile, "\n");                  fprintf(outfile, "\n");
2306                  }                  }
2307                }                }
2308              }              }
2309            }            }
2310    
2311            if (markptr != NULL) fprintf(outfile, "MK: %s\n", markptr);
2312    
2313          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2314            {            {
2315            if ((copystrings & (1 << i)) != 0)            if ((copystrings & (1 << i)) != 0)
2316              {              {
2317              char copybuffer[16];              char copybuffer[256];
2318              int rc = pcre_copy_substring((char *)bptr, offsets, count,              int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
2319                i, copybuffer, sizeof(copybuffer));                i, copybuffer, sizeof(copybuffer));
2320              if (rc < 0)              if (rc < 0)
2321                fprintf(outfile, "copy substring %d failed %d\n", i, rc);                fprintf(outfile, "copy substring %d failed %d\n", i, rc);
# Line 915  while (!done) Line 2324  while (!done)
2324              }              }
2325            }            }
2326    
2327            for (copynamesptr = copynames;
2328                 *copynamesptr != 0;
2329                 copynamesptr += (int)strlen((char*)copynamesptr) + 1)
2330              {
2331              char copybuffer[256];
2332              int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
2333                count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
2334              if (rc < 0)
2335                fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
2336              else
2337                fprintf(outfile, "  C %s (%d) %s\n", copybuffer, rc, copynamesptr);
2338              }
2339    
2340          for (i = 0; i < 32; i++)          for (i = 0; i < 32; i++)
2341            {            {
2342            if ((getstrings & (1 << i)) != 0)            if ((getstrings & (1 << i)) != 0)
2343              {              {
2344              const char *substring;              const char *substring;
2345              int rc = pcre_get_substring((char *)bptr, offsets, count,              int rc = pcre_get_substring((char *)bptr, use_offsets, count,
2346                i, &substring);                i, &substring);
2347              if (rc < 0)              if (rc < 0)
2348                fprintf(outfile, "get substring %d failed %d\n", i, rc);                fprintf(outfile, "get substring %d failed %d\n", i, rc);
2349              else              else
2350                {                {
2351                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);                fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
2352                free((void *)substring);                pcre_free_substring(substring);
2353                }                }
2354              }              }
2355            }            }
2356    
2357            for (getnamesptr = getnames;
2358                 *getnamesptr != 0;
2359                 getnamesptr += (int)strlen((char*)getnamesptr) + 1)
2360              {
2361              const char *substring;
2362              int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
2363                count, (char *)getnamesptr, &substring);
2364              if (rc < 0)
2365                fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
2366              else
2367                {
2368                fprintf(outfile, "  G %s (%d) %s\n", substring, rc, getnamesptr);
2369                pcre_free_substring(substring);
2370                }
2371              }
2372    
2373          if (getlist)          if (getlist)
2374            {            {
2375            const char **stringlist;            const char **stringlist;
2376            int rc = pcre_get_substring_list((char *)bptr, offsets, count,            int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
2377              &stringlist);              &stringlist);
2378            if (rc < 0)            if (rc < 0)
2379              fprintf(outfile, "get substring list failed %d\n", rc);              fprintf(outfile, "get substring list failed %d\n", rc);
# Line 945  while (!done) Line 2383  while (!done)
2383                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);                fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
2384              if (stringlist[i] != NULL)              if (stringlist[i] != NULL)
2385                fprintf(outfile, "string list not terminated by NULL\n");                fprintf(outfile, "string list not terminated by NULL\n");
2386              free((void *)stringlist);              /* free((void *)stringlist); */
2387                pcre_free_substring_list(stringlist);
2388              }              }
2389            }            }
2390          }          }
2391    
2392          /* There was a partial match */
2393    
2394          else if (count == PCRE_ERROR_PARTIAL)
2395            {
2396            if (markptr == NULL) fprintf(outfile, "Partial match");
2397              else fprintf(outfile, "Partial match, mark=%s", markptr);
2398            if (use_size_offsets > 1)
2399              {
2400              fprintf(outfile, ": ");
2401              pchars(bptr + use_offsets[0], use_offsets[1] - use_offsets[0],
2402                outfile);
2403              }
2404            fprintf(outfile, "\n");
2405            break;  /* Out of the /g loop */
2406            }
2407    
2408        /* Failed to match. If this is a /g or /G loop and we previously set        /* Failed to match. If this is a /g or /G loop and we previously set
2409        PCRE_NOTEMPTY after a null match, this is not necessarily the end.        g_notempty after a null match, this is not necessarily the end. We want
2410        We want to advance the start offset, and continue. Fudge the offset        to advance the start offset, and continue. We won't be at the end of the
2411        values to achieve this. We won't be at the end of the string - that        string - that was checked before setting g_notempty.
2412        was checked before setting PCRE_NOTEMPTY. */  
2413          Complication arises in the case when the newline option is "any" or
2414          "anycrlf". If the previous match was at the end of a line terminated by
2415          CRLF, an advance of one character just passes the \r, whereas we should
2416          prefer the longer newline sequence, as does the code in pcre_exec().
2417          Fudge the offset value to achieve this.
2418    
2419          Otherwise, in the case of UTF-8 matching, the advance must be one
2420          character, not one byte. */
2421    
2422        else        else
2423          {          {
2424          if (g_notempty != 0)          if (g_notempty != 0)
2425            {            {
2426            offsets[0] = start_offset;            int onechar = 1;
2427            offsets[1] = start_offset + 1;            unsigned int obits = ((real_pcre *)re)->options;
2428              use_offsets[0] = start_offset;
2429              if ((obits & PCRE_NEWLINE_BITS) == 0)
2430                {
2431                int d;
2432                (void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
2433                /* Note that these values are always the ASCII ones, even in
2434                EBCDIC environments. CR = 13, NL = 10. */
2435                obits = (d == 13)? PCRE_NEWLINE_CR :
2436                        (d == 10)? PCRE_NEWLINE_LF :
2437                        (d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
2438                        (d == -2)? PCRE_NEWLINE_ANYCRLF :
2439                        (d == -1)? PCRE_NEWLINE_ANY : 0;
2440                }
2441              if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
2442                   (obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
2443                  &&
2444                  start_offset < len - 1 &&
2445                  bptr[start_offset] == '\r' &&
2446                  bptr[start_offset+1] == '\n')
2447                onechar++;
2448              else if (use_utf8)
2449                {
2450                while (start_offset + onechar < len)
2451                  {
2452                  int tb = bptr[start_offset+onechar];
2453                  if (tb <= 127) break;
2454                  tb &= 0xc0;
2455                  if (tb != 0 && tb != 0xc0) onechar++;
2456                  }
2457                }
2458              use_offsets[1] = start_offset + onechar;
2459            }            }
2460          else          else
2461            {            {
2462            if (gmatched == 0)   /* Error if no previous matches */            if (count == PCRE_ERROR_NOMATCH)
2463              {              {
2464              if (count == -1) fprintf(outfile, "No match\n");              if (gmatched == 0)
2465                else fprintf(outfile, "Error %d\n", count);                {
2466                  if (markptr == NULL) fprintf(outfile, "No match\n");
2467                    else fprintf(outfile, "No match, mark = %s\n", markptr);
2468                  }
2469              }              }
2470              else fprintf(outfile, "Error %d\n", count);
2471            break;  /* Out of the /g loop */            break;  /* Out of the /g loop */
2472            }            }
2473          }          }
# Line 979  while (!done) Line 2477  while (!done)
2477        if (!do_g && !do_G) break;        if (!do_g && !do_G) break;
2478    
2479        /* If we have matched an empty string, first check to see if we are at        /* If we have matched an empty string, first check to see if we are at
2480        the end of the subject. If so, the /g loop is over. Otherwise, mimic        the end of the subject. If so, the /g loop is over. Otherwise, mimic what
2481        what Perl's /g options does. This turns out to be rather cunning. First        Perl's /g options does. This turns out to be rather cunning. First we set
2482        we set PCRE_NOTEMPTY and try the match again at the same point. If this        PCRE_NOTEMPTY_ATSTART and PCRE_ANCHORED and try the match again at the
2483        fails (picked up above) we advance to the next character. */        same point. If this fails (picked up above) we advance to the next
2484          character. */
2485    
2486        g_notempty = 0;        g_notempty = 0;
2487        if (offsets[0] == offsets[1])  
2488          if (use_offsets[0] == use_offsets[1])
2489          {          {
2490          if (offsets[0] == len) break;          if (use_offsets[0] == len) break;
2491          g_notempty = PCRE_NOTEMPTY;          g_notempty = PCRE_NOTEMPTY_ATSTART | PCRE_ANCHORED;
2492          }          }
2493    
2494        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
2495    
2496        if (do_g) start_offset = offsets[1];        if (do_g) start_offset = use_offsets[1];
2497    
2498        /* For /G, update the pointer and length */        /* For /G, update the pointer and length */
2499    
2500        else        else
2501          {          {
2502          bptr += offsets[1];          bptr += use_offsets[1];
2503          len -= offsets[1];          len -= use_offsets[1];
2504          }          }
2505        }  /* End of loop for /g and /G */        }  /* End of loop for /g and /G */
2506    
2507        NEXT_DATA: continue;
2508      }    /* End of loop for data lines */      }    /* End of loop for data lines */
2509    
2510    CONTINUE:    CONTINUE:
# Line 1011  while (!done) Line 2513  while (!done)
2513    if (posix || do_posix) regfree(&preg);    if (posix || do_posix) regfree(&preg);
2514  #endif  #endif
2515    
2516    if (re != NULL) free(re);    if (re != NULL) new_free(re);
2517    if (extra != NULL) free(extra);    if (extra != NULL) new_free(extra);
2518    if (tables != NULL)    if (tables != NULL)
2519      {      {
2520      free((void *)tables);      new_free((void *)tables);
2521      setlocale(LC_CTYPE, "C");      setlocale(LC_CTYPE, "C");
2522        locale_set = 0;
2523      }      }
2524    }    }
2525    
2526  fprintf(outfile, "\n");  if (infile == stdin) fprintf(outfile, "\n");
2527  return 0;  
2528    EXIT:
2529    
2530    if (infile != NULL && infile != stdin) fclose(infile);
2531    if (outfile != NULL && outfile != stdout) fclose(outfile);
2532    
2533    free(buffer);
2534    free(dbuffer);
2535    free(pbuffer);
2536    free(offsets);
2537    
2538    return yield;
2539  }  }
2540    
2541  /* End */  /* End of pcretest.c */

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