Mercurial > hg > CbC > CbC_gcc
view libiberty/bcopy.c @ 73:ce75bd9117e4
merge calls.c, cfgexpand.c, gcc.c, gimple.c, gimple.h and gimplify.c
author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 22 Aug 2011 01:54:47 +0900 |
parents | a06113de4d67 |
children |
line wrap: on
line source
/* bcopy -- copy memory regions of arbitary length @deftypefn Supplemental void bcopy (char *@var{in}, char *@var{out}, int @var{length}) Copies @var{length} bytes from memory region @var{in} to region @var{out}. The use of @code{bcopy} is deprecated in new programs. @end deftypefn */ #include <stddef.h> void bcopy (const void *src, void *dest, size_t len) { if (dest < src) { const char *firsts = (const char *) src; char *firstd = (char *) dest; while (len--) *firstd++ = *firsts++; } else { const char *lasts = (const char *)src + (len-1); char *lastd = (char *)dest + (len-1); while (len--) *lastd-- = *lasts--; } }