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/* Copyright (C) 1991, 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <stddef.h> /* For size_t and NULL. */
/*
* 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.
*/
PTR
DEFUN(__memccpy, (dest, src, c, n),
PTR dest AND CONST PTR src AND int c AND size_t n)
{
register CONST char *s = src;
register char *d = dest;
register CONST int x = (unsigned char) c;
register size_t i = n;
while (i-- > 0)
if ((*d++ = *s++) == x)
return d;
return NULL;
}
weak_alias (__memccpy, memccpy)
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