/[pcre]/code/trunk/pcre_study.c
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revision 111 by ph10, Thu Mar 8 16:53:09 2007 UTC revision 230 by ph10, Mon Sep 10 13:23:56 2007 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) 1997-2006 University of Cambridge             Copyright (c) 1997-2007 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 42  POSSIBILITY OF SUCH DAMAGE. Line 42  POSSIBILITY OF SUCH DAMAGE.
42  supporting functions. */  supporting functions. */
43    
44    
45    #ifdef HAVE_CONFIG_H
46    #include <config.h>
47    #endif
48    
49  #include "pcre_internal.h"  #include "pcre_internal.h"
50    
51    
# Line 491  Returns: pointer to a pcre_extra bloc Line 495  Returns: pointer to a pcre_extra bloc
495              NULL on error or if no optimization possible              NULL on error or if no optimization possible
496  */  */
497    
498  PCRE_DATA_SCOPE pcre_extra *  PCRE_EXP_DEFN pcre_extra *
499  pcre_study(const pcre *external_re, int options, const char **errorptr)  pcre_study(const pcre *external_re, int options, const char **errorptr)
500  {  {
501  uschar start_bits[32];  uschar start_bits[32];
# Line 523  code = (uschar *)re + re->name_table_off Line 527  code = (uschar *)re + re->name_table_off
527  a multiline pattern that matches only at "line starts", no further processing  a multiline pattern that matches only at "line starts", no further processing
528  at present. */  at present. */
529    
530  if ((re->options & (PCRE_ANCHORED|PCRE_FIRSTSET|PCRE_STARTLINE)) != 0)  if ((re->options & PCRE_ANCHORED) != 0 ||
531        (re->flags & (PCRE_FIRSTSET|PCRE_STARTLINE)) != 0)
532    return NULL;    return NULL;
533    
534  /* Set the character tables in the block that is passed around */  /* Set the character tables in the block that is passed around */
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