/[pcre]/code/trunk/pcreposix.c
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revision 200 by ph10, Wed Aug 1 09:10:40 2007 UTC revision 332 by ph10, Sat Apr 5 16:11:05 2008 UTC
# Line 6  Line 6 
6  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
7    
8                         Written by Philip Hazel                         Written by Philip Hazel
9             Copyright (c) 1997-2007 University of Cambridge             Copyright (c) 1997-2008 University of Cambridge
10    
11  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
12  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 43  functions. */ Line 43  functions. */
43    
44    
45  #ifdef HAVE_CONFIG_H  #ifdef HAVE_CONFIG_H
46  #include <config.h>  #include "config.h"
47  #endif  #endif
48    
49    
# Line 57  previously been set. */ Line 57  previously been set. */
57  #  define PCREPOSIX_EXP_DEFN __declspec(dllexport)  #  define PCREPOSIX_EXP_DEFN __declspec(dllexport)
58  #endif  #endif
59    
60  #include <pcre.h>  #include "pcre.h"
61  #include "pcre_internal.h"  #include "pcre_internal.h"
62  #include "pcreposix.h"  #include "pcreposix.h"
63    
64    
   
65  /* Table to translate PCRE compile time error codes into POSIX error codes. */  /* Table to translate PCRE compile time error codes into POSIX error codes. */
66    
67  static const int eint[] = {  static const int eint[] = {
# Line 124  static const int eint[] = { Line 123  static const int eint[] = {
123    REG_BADPAT,  /* repeating a DEFINE group is not allowed */    REG_BADPAT,  /* repeating a DEFINE group is not allowed */
124    REG_INVARG,  /* inconsistent NEWLINE options */    REG_INVARG,  /* inconsistent NEWLINE options */
125    REG_BADPAT,  /* \g is not followed followed by an (optionally braced) non-zero number */    REG_BADPAT,  /* \g is not followed followed by an (optionally braced) non-zero number */
126    REG_BADPAT   /* (?+ or (?- must be followed by a non-zero number */    REG_BADPAT,  /* (?+ or (?- must be followed by a non-zero number */
127      REG_BADPAT,  /* number is too big */
128      REG_BADPAT,  /* subpattern name expected */
129      REG_BADPAT   /* digit expected after (?+ */
130  };  };
131    
132  /* Table of texts corresponding to POSIX error codes */  /* Table of texts corresponding to POSIX error codes */
# Line 261  PCREPOSIX_EXP_DEFN int Line 263  PCREPOSIX_EXP_DEFN int
263  regexec(const regex_t *preg, const char *string, size_t nmatch,  regexec(const regex_t *preg, const char *string, size_t nmatch,
264    regmatch_t pmatch[], int eflags)    regmatch_t pmatch[], int eflags)
265  {  {
266  int rc;  int rc, so, eo;
267  int options = 0;  int options = 0;
268  int *ovector = NULL;  int *ovector = NULL;
269  int small_ovector[POSIX_MALLOC_THRESHOLD * 3];  int small_ovector[POSIX_MALLOC_THRESHOLD * 3];
# Line 294  else if (nmatch > 0) Line 296  else if (nmatch > 0)
296      }      }
297    }    }
298    
299  rc = pcre_exec((const pcre *)preg->re_pcre, NULL, string, (int)strlen(string),  /* REG_STARTEND is a BSD extension, to allow for non-NUL-terminated strings.
300    The man page from OS X says "REG_STARTEND affects only the location of the
301    string, not how it is matched". That is why the "so" value is used to bump the
302    start location rather than being passed as a PCRE "starting offset". */
303    
304    if ((eflags & REG_STARTEND) != 0)
305      {
306      so = pmatch[0].rm_so;
307      eo = pmatch[0].rm_eo;
308      }
309    else
310      {
311      so = 0;
312      eo = strlen(string);
313      }
314    
315    rc = pcre_exec((const pcre *)preg->re_pcre, NULL, string + so, (eo - so),
316    0, options, ovector, nmatch * 3);    0, options, ovector, nmatch * 3);
317    
318  if (rc == 0) rc = nmatch;    /* All captured slots were filled in */  if (rc == 0) rc = nmatch;    /* All captured slots were filled in */
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