1 files changed, 13 insertions, 0 deletions
diff --git a/src/libString/s_terminate.c b/src/libString/s_terminate.c
new file mode 100644
index 00000000..dc893ab2
--- /dev/null
+++ b/src/libString/s_terminate.c
@@ -0,0 +1,13 @@
+#include <u.h>
+#include <libc.h>
+#include "libString.h"
+
+void
+s_terminate(String *s)
+{
+	if(s->ref > 1)
+		sysfatal("can't s_terminate a shared string");
+	if (s->ptr >= s->end)
+		s_grow(s, 1);
+	*s->ptr = 0;
+}