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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1999-01-20 04:59:39 +0000
commit62e648e148b3cb9f96dcce808c55c02b7ccb4486 (patch)
tree9708892ece92e860d81559ab55e6b1f9400d7ffc /missing/memcmp.c
parentaeb049c573be4dc24dd20650f40e4777e0f698cf (diff)
ruby 1.3 cycle
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/RUBY@372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'missing/memcmp.c')
-rw-r--r--missing/memcmp.c21
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;
+}