Import sources from 2011-03-30 iso image

1 files changed, 23 insertions, 0 deletions

diff --git a/sys/src/libc/port/memcmp.c b/sys/src/libc/port/memcmp.c
new file mode 100755
index 000000000..211752b03
--- /dev/null
+++ b/sys/src/libc/port/memcmp.c
@@ -0,0 +1,23 @@
+#include	<u.h>
+#include	<libc.h>
+
+int
+memcmp(void *a1, void *a2, ulong n)
+{
+	uchar *s1, *s2;
+	uint c1, c2;
+
+	s1 = a1;
+	s2 = a2;
+	while(n > 0) {
+		c1 = *s1++;
+		c2 = *s2++;
+		if(c1 != c2) {
+			if(c1 > c2)
+				return 1;
+			return -1;
+		}
+		n--;
+	}
+	return 0;
+}