diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
---|---|---|
committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
commit | 65a5162550f58047974793cdc8067a970b2435c0 (patch) | |
tree | 082bb7d5568f3b2e36e3fe166e9f3039394fcf44 /missing/memcmp.c | |
parent | fcd020c83028f5610d382e85a2df00223e12bd7e (diff) |
1.4.0
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'missing/memcmp.c')
-rw-r--r-- | missing/memcmp.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/missing/memcmp.c b/missing/memcmp.c new file mode 100644 index 0000000000..762eaf5260 --- /dev/null +++ b/missing/memcmp.c @@ -0,0 +1,21 @@ +/* + * memcmp --- compare memories. + * + */ + +int +memcmp(s1,s2,len) + char *s1; + char *s2; + register int len; +{ + register unsigned char *a = (unsigned char*)s1; + register unsigned char *b = (unsigned char*)s2; + register int tmp; + + while (len--) { + if (tmp = *a++ - *b++) + return tmp; + } + return 0; +} |