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Merge pull request #2827 from brauner/2019-02-07/auto_cleanup

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cgroups: partially switch to cleanup macros
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Serge Hallyn 2019-02-08 15:57:37 -06:00 committed by GitHub
commit 884b37d091
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2 changed files with 152 additions and 251 deletions
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385
src/lxc/cgroups/cgfsng.c
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18
src/lxc/memory_utils.h
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@ -20,13 +20,31 @@
#ifndef __LXC_MEMORY_UTILS_H
#define __LXC_MEMORY_UTILS_H
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
static inline void __auto_free__(void *p)
{
free(*(void **)p);
}
static inline void __auto_fclose__(FILE **f)
{
if (*f)
fclose(*f);
}
static inline void __auto_closedir__(DIR **d)
{
if (*d)
closedir(*d);
}
#define __do_free __attribute__((__cleanup__(__auto_free__)))
#define __do_fclose __attribute__((__cleanup__(__auto_fclose__)))
#define __do_closedir __attribute__((__cleanup__(__auto_closedir__)))
#endif /* __LXC_MEMORY_UTILS_H */