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malloc: implement pa_xrenew()

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This commit is contained in:
Lennart Poettering 2009-06-17 03:07:42 +02:00
parent 4f36cc76f2
commit 697b8de96f
1 changed files with 12 additions and 1 deletions
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13
src/pulse/xmalloc.h
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@ -88,9 +88,20 @@ static inline void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) {
return pa_xmemdup(p, n*k);
}
/** Same as pa_xnew() but set the memory to zero */
/** Same as pa_xnew() but duplicate the specified data */
#define pa_xnewdup(type, p, n) ((type*) _pa_xnewdup_internal((p), (n), sizeof(type)))
/** Internal helper for pa_xrenew() */
static void* _pa_xrenew_internal(void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
static inline void* _pa_xrenew_internal(void *p, size_t n, size_t k) {
assert(n < INT_MAX/k);
return pa_xrealloc(p, n*k);
}
/** Reallocate n new structures of the specified type. */
#define pa_xrenew(type, p, n) ((type*) _pa_xrenew_internal(p, (n), sizeof(type)))
PA_C_DECL_END
#endif