1 files changed, 16 insertions, 0 deletions
diff --git a/src/libString/s_unique.c b/src/libString/s_unique.c
new file mode 100644
index 00000000..134411c9
--- /dev/null
+++ b/src/libString/s_unique.c
@@ -0,0 +1,16 @@
+#include <u.h>
+#include <libc.h>
+#include "libString.h"
+
+String*
+s_unique(String *s)
+{
+	String *p;
+
+	if(s->ref > 1){
+		p = s;
+		s = s_clone(p);
+		s_free(p);
+	}
+	return s;
+}