Add optimized versions of musl libc string and memory comparison functions.

1 files changed, 8 insertions, 0 deletions

diff --git a/system/lib/libc/musl/src/string/memcmp.c b/system/lib/libc/musl/src/string/memcmp.c
new file mode 100644
index 00000000..bdbce9f0
--- /dev/null
+++ b/system/lib/libc/musl/src/string/memcmp.c
@@ -0,0 +1,8 @@
+#include <string.h>
+
+int memcmp(const void *vl, const void *vr, size_t n)
+{
+	const unsigned char *l=vl, *r=vr;
+	for (; n && *l == *r; n--, l++, r++);
+	return n ? *l-*r : 0;
+}