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ares_destroy.c: fix segfault in ares_destroy_options()

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1 parent d0c3cb6 commit b816675c0f1dddfbff5fb1edc99ee484ccf4c1b6 @yangtse yangtse committed Aug 21, 2011
Showing with 5 additions and 3 deletions.
  1. +5 −3 ares_destroy.c
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8 ares_destroy.c
@@ -1,6 +1,6 @@
/* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2004-2010 by Daniel Stenberg
+ * Copyright (C) 2004-2011 by Daniel Stenberg
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
@@ -29,10 +29,12 @@ void ares_destroy_options(struct ares_options *options)
free(options->servers);
for (i = 0; i < options->ndomains; i++)
free(options->domains[i]);
- free(options->domains);
+ if(options->domains)
+ free(options->domains);
if(options->sortlist)
free(options->sortlist);
- free(options->lookups);
+ if(options->lookups)
+ free(options->lookups);
}
void ares_destroy(ares_channel channel)

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