From 697b8de96fb988b7e7de24a549c4e77371a80847 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 17 Jun 2009 03:07:42 +0200 Subject: malloc: implement pa_xrenew() --- src/pulse/xmalloc.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/pulse/xmalloc.h b/src/pulse/xmalloc.h index db20496f..f720d83f 100644 --- a/src/pulse/xmalloc.h +++ b/src/pulse/xmalloc.h @@ -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 -- cgit