From: Michael Stapelberg <michael@stapelberg.de>
Date: Sat, 9 Sep 2017 04:56:50 +0000 (+0200)
Subject: i3bar: ensure get_buffer does not leak memory
X-Git-Tag: 4.15~108^2~1
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=55964fb3bed4e06fd627ea57ab520b66fe298bbb;p=i3%2Fi3

i3bar: ensure get_buffer does not leak memory

This fixes an AddressSanitizer warning which recently popped up.

related to #2907
---

diff --git a/i3bar/src/child.c b/i3bar/src/child.c
index 814f0411..fe989c44 100644
--- a/i3bar/src/child.c
+++ b/i3bar/src/child.c
@@ -333,10 +333,12 @@ static unsigned char *get_buffer(ev_io *watcher, int *ret_buffer_len) {
                 break;
             }
             ELOG("read() failed!: %s\n", strerror(errno));
+            FREE(buffer);
             exit(EXIT_FAILURE);
         }
         if (n == 0) {
             ELOG("stdin: received EOF\n");
+            FREE(buffer);
             *ret_buffer_len = -1;
             return NULL;
         }