buffer: add buffer_length utility function

2 files changed, 6 insertions, 0 deletions

diff --git a/buffer.c b/buffer.c
index c4830d6..b9733c2 100644
--- a/buffer.c
+++ b/buffer.c
@@ -95,3 +95,7 @@ size_t buffer_length0(Buffer *buf) {
 		len--;
 	return len;
 }
+
+size_t buffer_length(Buffer *buf) {
+	return buf->len;
+}
diff --git a/buffer.h b/buffer.h
index 7e3c342..fcdad47 100644
--- a/buffer.h
+++ b/buffer.h
@@ -40,5 +40,7 @@ bool buffer_prepend(Buffer*, const void *data, size_t len);
 bool buffer_prepend0(Buffer*, const char *data);
 /* return length of a buffer without trailing NUL byte */
 size_t buffer_length0(Buffer*);
+/* return length of a buffer including possible NUL byte */
+size_t buffer_length(Buffer*);
 
 #endif