/[pcre]/code/trunk/pcre_internal.h
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revision 207 by ph10, Mon Aug 6 09:32:14 2007 UTC revision 208 by ph10, Mon Aug 6 15:23:29 2007 UTC
# Line 358  capturing parenthesis numbers in back re Line 358  capturing parenthesis numbers in back re
358    
359  /* When UTF-8 encoding is being used, a character is no longer just a single  /* When UTF-8 encoding is being used, a character is no longer just a single
360  byte. The macros for character handling generate simple sequences when used in  byte. The macros for character handling generate simple sequences when used in
361  byte-mode, and more complicated ones for UTF-8 characters. BACKCHAR should  byte-mode, and more complicated ones for UTF-8 characters. BACKCHAR should
362  never be called in byte mode. To make sure it can never even appear when UTF-8  never be called in byte mode. To make sure it can never even appear when UTF-8
363  support is omitted, we don't even define it. */  support is omitted, we don't even define it. */
364    
365  #ifndef SUPPORT_UTF8  #ifndef SUPPORT_UTF8
# Line 461  if there are extra bytes. This is called Line 461  if there are extra bytes. This is called
461      }      }
462    
463  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
464  it is. This is called only in UTF-8 mode - we don't put a test within the macro  it is. This is called only in UTF-8 mode - we don't put a test within the macro
465  because almost all calls are already within a block of UTF-8 only code. */  because almost all calls are already within a block of UTF-8 only code. */
466    
467  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--
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