Fix evbuffer_peek() with len==-1 and start_at non-NULL.

1 files changed, 4 insertions, 1 deletions

diff --git a/buffer.c b/buffer.c
index f5a52104..231f1914 100644
--- a/buffer.c
+++ b/buffer.c
@@ -2742,7 +2742,10 @@ evbuffer_peek(struct evbuffer *buffer, ev_ssize_t len,
 	if (n_vec == 0 && len < 0) {
 		/* If no vectors are provided and they asked for "everything",
 		 * pretend they asked for the actual available amount. */
-		len = buffer->total_len - len_so_far;
+		len = buffer->total_len;
+		if (start_at) {
+			len -= start_at->pos;
+		}
 	}
 
 	while (chain) {