(svn r14154) -Fix (r14153): strndup is a GNU extension, so it doesn't exist on all platforms

src/string.cpp

@@ -304,3 +304,14 @@ size_t Utf8TrimString(char *s, size_t maxlen)
 	*s = '\0';
 	return length;
 }
+
+#ifndef _GNU_SOURCE
+#include "core/math_func.hpp"
+char *strndup(const char *s, size_t len)
+{
+	len = min(strlen(s), len);
+	char *tmp = CallocT<char>(len + 1);
+	memcpy(tmp, s, len);
+	return tmp;
+}
+#endif /* !_GNU_SOURCE */