diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/memmove.c')
-rw-r--r-- | ncurses-5.2/ncurses/base/memmove.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/ncurses-5.2/ncurses/base/memmove.c b/ncurses-5.2/ncurses/base/memmove.c new file mode 100644 index 0000000..56415fa --- /dev/null +++ b/ncurses-5.2/ncurses/base/memmove.c @@ -0,0 +1,63 @@ +/**************************************************************************** + * Copyright (c) 1998 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("$Id$") + +/**************************************************************************** + * Author: Thomas E. Dickey <dickey@clark.net> 1998 * + ****************************************************************************/ + +#if USE_MY_MEMMOVE +#define DST ((char *)s1) +#define SRC ((const char *)s2) +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 void _nc_memmove(void); /* quiet's gcc warning */ +void _nc_memmove(void) { } /* nonempty for strict ANSI compilers */ +#endif /* USE_MY_MEMMOVE */ |