From 39b306f235f3faebb047c7cda82746781b9ea2f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Wed, 11 May 2016 20:34:23 +0200
Subject: buffer: add utility function to NUL terminate buffer

---
 buffer.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'buffer.c')

diff --git a/buffer.c b/buffer.c
index d8b01f7..410a059 100644
--- a/buffer.c
+++ b/buffer.c
@@ -29,6 +29,11 @@ void buffer_truncate(Buffer *buf) {
 	buf->len = 0;
 }
 
+bool buffer_terminate(Buffer *buf) {
+	return !buf->data || buf->len == 0 || buf->data[buf->len-1] == '\0' ||
+	        buffer_append(buf, "\0", 1);
+}
+
 void buffer_release(Buffer *buf) {
 	if (!buf)
 		return;
-- 
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