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authorAnand Avati <avati@gluster.com>2011-05-20 16:56:29 +0000
committerAnand Avati <avati@gluster.com>2011-05-30 04:48:53 -0700
commit24d94224ea8c9b67dd7bb9a2ee929f63717d51d7 (patch)
treec7abcd83e4c37f6f637f962c5659ce7aa52ab69b /xlators/mount
parentfa19eabd89c0efc52830ad5f6ac63285175acce7 (diff)
quick-read: Fix dirname(3) usage
glibc dirname() modify the string it is given and returns it. glusterfs takes this behavior for granted, and assume that if it gives a malloc'ed string to dirname(), then it can free()) the return value. Here is what SUSv2 says: http://opengroup.org/onlinepubs/007908799/xsh/dirname.html "The dirname() function may modify the string pointed to by path, and may return a pointer to static storage" At least NetBSD returns a static storage. glusterfs will return it to a calling function that has the responsability to free it, causing a SIGSEGV. Thanks to: Emmanuel Dreyfus <manu@netbsd.org> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2923 (NetBSD port) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2923
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