From: Michael Stapelberg <michael@stapelberg.de>
Date: Tue, 12 Jan 2016 08:49:59 +0000 (+0100)
Subject: Bugfix: check that format_not_mounted is not NULL before using it
X-Git-Tag: 2.11~47
X-Git-Url: https://git.sur5r.net/?p=i3%2Fi3status;a=commitdiff_plain;h=fad9c8237c63290aa9adde5ba6ffa6759f578645

Bugfix: check that format_not_mounted is not NULL before using it

This issue was introduced with commit 75a83574.

fixes #92
---

diff --git a/src/print_disk_info.c b/src/print_disk_info.c
index 12d7585..629e05b 100644
--- a/src/print_disk_info.c
+++ b/src/print_disk_info.c
@@ -127,7 +127,9 @@ void print_disk_info(yajl_gen json_gen, char *buffer, const char *path, const ch
     if (statvfs(path, &buf) == -1) {
         /* If statvfs errors, e.g., due to the path not existing,
          * we use the format for a not mounted device. */
-        format = format_not_mounted;
+        if (format_not_mounted != NULL) {
+            format = format_not_mounted;
+        }
     } else if (format_not_mounted != NULL) {
         FILE *mntentfile = setmntent("/etc/mtab", "r");
         struct mntent *m;