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author | jdp <jdp@FreeBSD.org> | 1998-03-01 22:58:51 +0000 |
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committer | jdp <jdp@FreeBSD.org> | 1998-03-01 22:58:51 +0000 |
commit | 2cbd0590cd191c81b59e94970f4c40c371f9e415 (patch) | |
tree | b7676f996414b979dcbb7de92a3e86b97320d023 /contrib/binutils/libiberty/bcopy.c | |
download | FreeBSD-src-2cbd0590cd191c81b59e94970f4c40c371f9e415.zip FreeBSD-src-2cbd0590cd191c81b59e94970f4c40c371f9e415.tar.gz |
Initial import of GNU binutils version 2.8.1. Believe it or not,
this is heavily stripped down.
Diffstat (limited to 'contrib/binutils/libiberty/bcopy.c')
-rw-r--r-- | contrib/binutils/libiberty/bcopy.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/binutils/libiberty/bcopy.c b/contrib/binutils/libiberty/bcopy.c new file mode 100644 index 0000000..b655363 --- /dev/null +++ b/contrib/binutils/libiberty/bcopy.c @@ -0,0 +1,35 @@ +/* bcopy -- copy memory regions of arbitary length + +NAME + bcopy -- copy memory regions of arbitrary length + +SYNOPSIS + void bcopy (char *in, char *out, int length) + +DESCRIPTION + Copy LENGTH bytes from memory region pointed to by IN to memory + region pointed to by OUT. + +BUGS + Significant speed improvements can be made in some cases by + implementing copies of multiple bytes simultaneously, or unrolling + the copy loop. + +*/ + +void +bcopy (src, dest, len) + register char *src, *dest; + int len; +{ + if (dest < src) + while (len--) + *dest++ = *src++; + else + { + char *lasts = src + (len-1); + char *lastd = dest + (len-1); + while (len--) + *(char *)lastd-- = *(char *)lasts--; + } +} |