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/*
* Copyright (c) 1997, 1998 Motoyuki Kasahara
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*/
/*
* This program requires the following Autoconf macros:
* AC_C_CONST
* AC_TYPE_SIZE_T
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
/* Define to empty if the keyword `const' does not work. */
/* #define const */
/* Define if `size_t' is not defined. */
/* #define size_t unsigned */
#endif /* not HAVE_CONFIG_H */
#include <sys/types.h>
#ifdef __STDC__
#define VOID void
#else
#define VOID char
#endif
/*
* memmove() described in ISO 9899: 1990.
*/
void *
memmove(dest, src, len)
VOID *dest;
const VOID *src;
size_t len;
{
char *d = (char *)dest;
const char *s = (const char *)src;
if (s < d) {
s += len - 1;
d += len - 1;
while (0 < len--)
*d-- = *s--;
} else if (s != d) {
while (0 < len--)
*d++ = *s++;
}
return dest;
}
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