/[pcre]/code/trunk/pcre_try_flipped.c
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revision 77 by nigel, Sat Feb 24 21:40:45 2007 UTC revision 199 by ph10, Tue Jul 31 14:39:09 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) 1997-2005 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 43  see if it was compiled with the opposite Line 43  see if it was compiled with the opposite
43  auxiliary local function to flip the appropriate bytes. */  auxiliary local function to flip the appropriate bytes. */
44    
45    
46    #ifdef HAVE_CONFIG_H
47    #include <config.h>
48    #endif
49    
50  #include "pcre_internal.h"  #include "pcre_internal.h"
51    
52    
# Line 62  Arguments: Line 66  Arguments:
66  Returns:       the flipped value  Returns:       the flipped value
67  */  */
68    
69  static long int  static unsigned long int
70  byteflip(long int value, int n)  byteflip(unsigned long int value, int n)
71  {  {
72  if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);  if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
73  return ((value & 0x000000ff) << 24) |  return ((value & 0x000000ff) << 24) |
# Line 94  Returns: the new block if is i Line 98  Returns: the new block if is i
98                     NULL if it is not                     NULL if it is not
99  */  */
100    
101  EXPORT real_pcre *  real_pcre *
102  _pcre_try_flipped(const real_pcre *re, real_pcre *internal_re,  _pcre_try_flipped(const real_pcre *re, real_pcre *internal_re,
103    const pcre_study_data *study, pcre_study_data *internal_study)    const pcre_study_data *study, pcre_study_data *internal_study)
104  {  {
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