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util: Add cleanup attribute

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This commit is contained in:
Lucas De Marchi 2013-11-14 00:19:15 -02:00
parent 807c601df2
commit d7aa6e23fc
2 changed files with 8 additions and 0 deletions
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7
libkmod/libkmod-util.h
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@ -3,6 +3,7 @@
#include <limits.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -56,3 +57,9 @@ static _always_inline_ unsigned int ALIGN_POWER2(unsigned int u)
{
return 1 << ((sizeof(u) * 8) - __builtin_clz(u - 1));
}
static inline void freep(void *p) {
free(*(void**) p);
}
#define _cleanup_free_ _cleanup_(freep)

1
libkmod/macro.h
View File

@ -57,3 +57,4 @@
#define _printf_format_(a,b) __attribute__((format (printf, a, b)))
#define _unused_ __attribute__((unused))
#define _always_inline_ __inline__ __attribute__((always_inline))
#define _cleanup_(x) __attribute__((cleanup(x)))