From 710f761cc66c364db83020abfdeb499a63e2b33d Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@fiktivkod.org>
Date: Fri, 21 Oct 2011 13:46:38 +0200
Subject: [PATCH] buffer: adding buffer_cstr_release

---
 buffer.c | 20 ++++++++++++++++++++
 buffer.h |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/buffer.c b/buffer.c
index 4fb09e0..d8ba6fb 100644
--- a/buffer.c
+++ b/buffer.c
@@ -55,6 +55,26 @@ char* buffer_cstr(struct buffer *b) {
 	return (char*) b->block;
 }
 
+char* buffer_cstr_release(struct buffer *b) {
+
+	char *ret;
+
+	if (b->size) {
+		if (b->len + 1 != b->size) {
+			ret = realloc(b->block, b->len + 1);
+		} else {
+			ret = (char *) b->block;
+		}
+		b->block[b->len + 1] = '\0';
+	} else {
+		ret = calloc(1, 1);
+	}
+
+	buffer_init(b);
+
+	return ret;
+}
+
 void buffer_free(struct buffer *b) {
 
 	if (!b->size)
diff --git a/buffer.h b/buffer.h
index 8b3faae..034bf77 100644
--- a/buffer.h
+++ b/buffer.h
@@ -63,6 +63,8 @@ static inline void buffer_reduce(struct buffer *b, size_t len) {
 
 char* buffer_cstr(struct buffer *b);
 
+char* buffer_cstr_release(struct buffer *b);
+
 void buffer_free(struct buffer *b);
 
 void buffer_attach(struct buffer *b, void *str, size_t len, size_t size);