add strnlen() which isn't available on Darwin

[libucw.git] / ucw / stkstring.c

diff --git a/ucw/stkstring.c b/ucw/stkstring.c
index 32bd974336c36e4781612f776b1657eb42e9f58f..e501ba20fabe4d47f04e892d47a2d7b4c45e0214 100644 (file)
--- a/ucw/stkstring.c
+++ b/ucw/stkstring.c
@@ -15,6 +15,17 @@
 
 #include <stdio.h>
 
+#ifdef CONFIG_DARWIN
+uns
+strnlen(const char *str, uns n)
+{
+  const char *end = str + n;
+  const char *c;
+  for (c = str; *c && c < end; c++);
+  return c - str;
+}
+#endif
+
 uns
 stk_array_len(char **s, uns cnt)
 {