vis

commit 990a85e48e872e2c421d38961d3033024893c44e
parent a114c4be0d67986adedde955ff44edc85449152b
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Tue, 20 Dec 2016 19:10:58 +0100

buffer: implement buffer_capacity utility function

Diffstat:
M
buffer.c
 | 
4
++++
M
buffer.h
 | 
2
++

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/buffer.c b/buffer.c
@@ -153,6 +153,10 @@ size_t buffer_length(Buffer *buf) {
 	return buf->len;
 }
 
+size_t buffer_capacity(Buffer *buf) {
+	return buf->size;
+}
+
 const char *buffer_content(Buffer *buf) {
 	return buf->data;
 }
diff --git a/buffer.h b/buffer.h
@@ -50,6 +50,8 @@ bool buffer_appendf(Buffer*, const char *fmt, ...);
 size_t buffer_length0(Buffer*);
 /* return length of a buffer including possible NUL byte */
 size_t buffer_length(Buffer*);
+/* return current maximal capacity in bytes of this buffer */
+size_t buffer_capacity(Buffer*);
 /* pointer to buffer data, guaranteed to return a NUL terminated
  * string even if buffer is empty */
 const char *buffer_content0(Buffer*);