Merge pull request #2103 from juj/opt_cmp1.10.2

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

1 files changed, 9 insertions, 0 deletions

diff --git a/system/lib/libc/musl/src/string/strncmp.c b/system/lib/libc/musl/src/string/strncmp.c
new file mode 100644
index 00000000..e228843f
--- /dev/null
+++ b/system/lib/libc/musl/src/string/strncmp.c
@@ -0,0 +1,9 @@
+#include <string.h>
+
+int strncmp(const char *_l, const char *_r, size_t n)
+{
+	const unsigned char *l=(void *)_l, *r=(void *)_r;
+	if (!n--) return 0;
+	for (; *l && *r && n && *l == *r ; l++, r++, n--);
+	return *l - *r;
+}