1 files changed, 14 insertions, 0 deletions
diff --git a/src/core/strs.c b/src/core/strs.c
index 7f236236..08338499 100644
--- a/src/core/strs.c
+++ b/src/core/strs.c
@@ -96,3 +96,17 @@ nni_strlcat(char *dst, const char *src, size_t len)
 	return (n - 1);
 #endif
 }
+
+size_t
+nni_strnlen(const char *s, size_t len)
+{
+#ifdef NNG_HAVE_STRNLEN
+	return (strnlen(s, len));
+#else
+	size_t n;
+	for (n = 0; (n < len) && (*s); n++) {
+		s++;
+	}
+	return (n);
+#endif
+}