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Use the gcc cleanup extension attribute to handle closing temp files

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While some of these allocations will go away as we convert to C++,
some of these need to stay C as the are going to be moved into a
library to support loading cache from init daemons etc.

For the bits that will eventually be C++ this helps clean things up,
in the interim.

TODO: apply to libapparmor as well

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Tyler Hicks <tyhicks@canonical.com>
This commit is contained in:
John Johansen
2015-03-25 17:09:26 -05:00
committed by Tyler Hicks
parent 82904cf0e6
commit f62cc5c6bf
8 changed files with 39 additions and 36 deletions
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4
parser/lib.h
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@@ -4,7 +4,11 @@
#include <dirent.h>
#define autofree __attribute((cleanup(__autofree)))
#define autoclose __attribute((cleanup(__autoclose)))
#define autofclose __attribute((cleanup(__autofclose)))
void __autofree(void *p);
void __autoclose(int *fd);
void __autofclose(FILE **f);
int dirat_for_each(DIR *dir, const char *name, void *data,
int (* cb)(DIR *, const char *, struct stat *, void *));