/[pcre]/code/trunk/pcre_valid_utf8.c
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revision 305 by ph10, Sun Jan 20 20:07:32 2008 UTC revision 409 by ph10, Sat Mar 28 17:10:56 2009 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) 1997-2008 University of Cambridge             Copyright (c) 1997-2009 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 75  Returns: < 0 if the string is a Line 75  Returns: < 0 if the string is a
75  */  */
76    
77  int  int
78  _pcre_valid_utf8(const uschar *string, int length)  _pcre_valid_utf8(USPTR string, int length)
79  {  {
80  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
81  register const uschar *p;  register USPTR p;
82    
83  if (length < 0)  if (length < 0)
84    {    {
# Line 154  for (p = string; length-- > 0; p++) Line 154  for (p = string; length-- > 0; p++)
154      if ((*(++p) & 0xc0) != 0x80) return p - string;      if ((*(++p) & 0xc0) != 0x80) return p - string;
155      }      }
156    }    }
157    #else
158    (void)(string);  /* Keep picky compilers happy */
159    (void)(length);
160  #endif  #endif
161    
162  return -1;  return -1;
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