mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-30 10:45:40 +03:00 
			
		
		
		
	* sysdeps/generic/strchr.c: Include <memcopy.h> and use reg_char for character to search, to help the compiler. * sysdeps/generic/strchrnul.c: Likewise. * sysdeps/generic/memchr.c: Likewise. * sysdeps/generic/memccpy.c: Likewise. * sysdeps/generic/rawmemchr.c: Likewise. Fix comment. 1999-06-13 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
		
			
				
	
	
		
			46 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 1991, 1995, 1997, 1999 Free Software Foundation, Inc.
 | |
|    This file is part of the GNU C Library.
 | |
| 
 | |
|    The GNU C Library is free software; you can redistribute it and/or
 | |
|    modify it under the terms of the GNU Library General Public License as
 | |
|    published by the Free Software Foundation; either version 2 of the
 | |
|    License, or (at your option) any later version.
 | |
| 
 | |
|    The GNU C Library is distributed in the hope that it will be useful,
 | |
|    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|    Library General Public License for more details.
 | |
| 
 | |
|    You should have received a copy of the GNU Library General Public
 | |
|    License along with the GNU C Library; see the file COPYING.LIB.  If not,
 | |
|    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 | |
|    Boston, MA 02111-1307, USA.  */
 | |
| 
 | |
| #include <string.h>
 | |
| #include <memcopy.h>
 | |
| 
 | |
| #undef __memccpy
 | |
| #undef memccpy
 | |
| 
 | |
| /* Copy no more than N bytes of SRC to DEST, stopping when C is found.
 | |
|    Return the position in DEST one byte past where C was copied, or
 | |
|    NULL if C was not found in the first N bytes of SRC.  */
 | |
| void *
 | |
| __memccpy (dest, src, c, n)
 | |
|       void *dest; const void *src;
 | |
|       int c; size_t n;
 | |
| {
 | |
|   register const char *s = src;
 | |
|   register char *d = dest;
 | |
|   register const reg_char x = (unsigned char) c;
 | |
|   register size_t i = n;
 | |
| 
 | |
|   while (i-- > 0)
 | |
|     if ((*d++ = *s++) == x)
 | |
|       return d;
 | |
| 
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| weak_alias (__memccpy, memccpy)
 |