diff options
author | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-10-27 02:55:18 +0000 |
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committer | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-10-27 02:55:18 +0000 |
commit | c0851c650ff75d11d301ce4965f610bae9a565be (patch) | |
tree | 896ec25a6f12877c36ce5f89cdca36be1e98f81e /missing | |
parent | f44333cbff95e520e8c41b9cd455b1a16ed7cf22 (diff) | |
download | ruby-c0851c650ff75d11d301ce4965f610bae9a565be.tar.gz |
* missing.h, missing/memcmp.c, missing/memmove.c:
ANSI compatible interface.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9470 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'missing')
-rw-r--r-- | missing/memcmp.c | 9 | ||||
-rw-r--r-- | missing/memmove.c | 17 |
2 files changed, 12 insertions, 14 deletions
diff --git a/missing/memcmp.c b/missing/memcmp.c index 9edc9c13b9..5b3ad3817a 100644 --- a/missing/memcmp.c +++ b/missing/memcmp.c @@ -1,16 +1,15 @@ /* public domain rewrite of memcmp(3) */ +#include <stddef.h> + int -memcmp(s1,s2,len) - char *s1; - char *s2; - register int len; +memcmp(const void *s1, const void *s2, size_t len) { register unsigned char *a = (unsigned char*)s1; register unsigned char *b = (unsigned char*)s2; register int tmp; - while (len--) { + for (; len; --len) { if (tmp = *a++ - *b++) return tmp; } diff --git a/missing/memmove.c b/missing/memmove.c index c9d67d8b45..19c5f18847 100644 --- a/missing/memmove.c +++ b/missing/memmove.c @@ -1,22 +1,21 @@ /* public domain rewrite of memcmp(3) */ +#include <stddef.h> + void * -memmove (d, s, n) - void *d, *s; - int n; +memmove(void *d, const void *s, size_t n) { - char *dst = d; - char *src = s; - void *ret = dst; + char *dst = (char *)d; + const char *src = (const char *)s; if (src < dst) { src += n; dst += n; - while (n--) + for (; n; --n) *--dst = *--src; } else if (dst < src) - while (n--) + for (; n; --n) *dst++ = *src++; - return ret; + return d; } |