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rewritten FREE_SET_NULL and GFREE_SET_NULL

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NULL is valid argument for free(). Construction do {} while (0) allows
using FREE_SET_NULL as one token and force to put semicolon at the end.
This commit is contained in:
Dmitry Podgorny 2013-07-31 01:53:10 +03:00
parent 5505387c37
commit f2638e001a
1 changed files with 6 additions and 8 deletions
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14
src/common.h
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@ -42,18 +42,16 @@
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
#define FREE_SET_NULL(resource) \ #define FREE_SET_NULL(resource) \
{ \ do { \
if (resource != NULL) { \ free(resource); \
free(resource); \ resource = NULL; \
resource = NULL; \ } while (0)
} \
}
#define GFREE_SET_NULL(resource) \ #define GFREE_SET_NULL(resource) \
{ \ do { \
g_free(resource); \ g_free(resource); \
resource = NULL; \ resource = NULL; \
} } while (0)
typedef enum { typedef enum {
CONTACT_OFFLINE, CONTACT_OFFLINE,