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/****************************************************************************
* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
#include <curses.priv.h>
MODULE_ID("$Id: memmove.c,v 1.4 2000/12/10 02:43:28 tom Exp $")
/****************************************************************************
* Author: Thomas E. Dickey <dickey@clark.net> 1998 *
****************************************************************************/
#if USE_MY_MEMMOVE
#define DST ((char *)s1)
#define SRC ((const char *)s2)
NCURSES_EXPORT(void *)
_nc_memmove(void *s1, const void *s2, size_t n)
{
if (n != 0) {
if ((DST + n > SRC) && (SRC + n > DST)) {
static char *bfr;
static size_t length;
register size_t j;
if (length < n) {
length = (n * 3) / 2;
bfr = typeRealloc(char, length, bfr);
}
for (j = 0; j < n; j++)
bfr[j] = SRC[j];
SRC = bfr;
}
while (n-- != 0)
DST[n] = SRC[n];
}
return s1;
}
#else
extern
NCURSES_EXPORT(void)
_nc_memmove(void); /* quiet's gcc warning */
NCURSES_EXPORT(void)
_nc_memmove(void)
{
} /* nonempty for strict ANSI compilers */
#endif /* USE_MY_MEMMOVE */
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