vis

commit 495a820563e374cc78b4d567fa0862e83bc7822b
parent 7f21332809d4d3de32cd4fa897e545bddd571bbd
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Sat, 31 Dec 2016 14:10:11 +0100

buffer: implement buffer_move

Diffstat:
M
buffer.c
 | 
7
+++++++
M
buffer.h
 | 
3
+++

2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/buffer.c b/buffer.c
@@ -168,3 +168,10 @@ const char *buffer_content0(Buffer *buf) {
 		return "";
 	return buf->data;
 }
+
+char *buffer_move(Buffer *buf) {
+	char *data = buf->data;
+	buffer_clear(buf);
+	buf->data = NULL;
+	return data;
+}
diff --git a/buffer.h b/buffer.h
@@ -57,5 +57,8 @@ size_t buffer_capacity(Buffer*);
 const char *buffer_content0(Buffer*);
 /* pointer to buffer data, might be NULL if empty, might not be NUL terminated */
 const char *buffer_content(Buffer*);
+/* steal underlying buffer data, caller is responsible to free(3) it,
+ * similar to move semantics in some programming languages */
+char *buffer_move(Buffer*);
 
 #endif