1 files changed, 28 insertions, 0 deletions
diff --git a/usr/klibc/tests/memstrtest.c b/usr/klibc/tests/memstrtest.c
new file mode 100644
index 0000000..8d473fb
--- /dev/null
+++ b/usr/klibc/tests/memstrtest.c
@@ -0,0 +1,28 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(void)
+{
+	unsigned char t1[256], t2[256];
+	int i;
+	int r;
+
+	for (i = 0; i < (int)sizeof(t1); i++)
+		t1[i] = t2[i] = (unsigned char)i;
+
+	r = memcmp(t1, t2, sizeof(t1));
+	printf("memcmp r = %d\n", r);
+	r = memcmp(t1, t2, sizeof(t1) / 2);
+	printf("memcmp r = %d\n", r);
+	t1[255] = 0;
+	r = memcmp(t1, t2, sizeof(t1));
+	printf("memcmp r = %d\n", r);
+
+	for (i = 0; i < (int)sizeof(t1); i++)
+		t1[i] = 0xaa;
+	memset(t2, 0xaa, sizeof(t2));
+	r = memcmp(t1, t2, sizeof(t1));
+	printf("memcmp r = %d\n", r);
+	return 0;
+}