commit 02064366155215162223417b939deebfe563ded0
author Mark Adler <madler@alumni.caltech.edu> Sat May 25 22:23:20 2019 -0700
committer Mark Adler <madler@alumni.caltech.edu> Sat May 25 22:23:20 2019 -0700
tree d85c328da9b21793632fcdb088216a2089bb97ff
parent 79baebe50e4d6b73ae1f8b603f0ef41300110aa3

Fix memory leak on error in gzlog.c.

Thank you Adam Richter.

examples/gzlog.c

diff --git a/examples/gzlog.c b/examples/gzlog.c
index b8c2927..b977802 100644
--- a/examples/gzlog.c
+++ b/examples/gzlog.c
@@ -1,8 +1,8 @@
 /*
  * gzlog.c
- * Copyright (C) 2004, 2008, 2012, 2016 Mark Adler, all rights reserved
+ * Copyright (C) 2004, 2008, 2012, 2016, 2019 Mark Adler, all rights reserved
  * For conditions of distribution and use, see copyright notice in gzlog.h
- * version 2.2, 14 Aug 2012
+ * version 2.3, 25 May 2019
  */
 
 /*
@@ -756,12 +756,14 @@
                 return -2;
             }
             if ((fd = open(log->path, O_RDONLY, 0)) < 0) {
+                free(data);
                 log_log(log, op, ".add file read failure");
                 return -1;
             }
             ret = (size_t)read(fd, data, len) != len;
             close(fd);
             if (ret) {
+                free(data);
                 log_log(log, op, ".add file read failure");
                 return -1;
             }