Add strnlen helper

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/lib/string.c b/src/lib/string.c
index 365381b..d50435f 100644
--- a/src/lib/string.c
+++ b/src/lib/string.c
@@ -37,6 +37,18 @@ char *strcpy(char *restrict dst, const char *restrict src)
 	return dst;
 }
 
+int strncmp(const char *s1, const char *s2, size_t n)
+{
+	int i = 0;
+
+	for (i = 0; i < n; i++) {
+		if (s1[i] != s2[i])
+			return s1[i] - s2[i];
+	}
+
+	return 0;
+}
+
 void *memset(void *s, int c, size_t n) {
 
 	char *cur = (char*) s;