diff options
Diffstat (limited to 'src/pulse/xmalloc.h')
-rw-r--r-- | src/pulse/xmalloc.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/src/pulse/xmalloc.h b/src/pulse/xmalloc.h index c453138b..b2643588 100644 --- a/src/pulse/xmalloc.h +++ b/src/pulse/xmalloc.h @@ -26,7 +26,9 @@ #include <stdlib.h> #include <limits.h> #include <assert.h> + #include <pulse/cdecl.h> +#include <pulse/gccmacro.h> /** \file * Memory allocation functions. @@ -35,52 +37,58 @@ PA_C_DECL_BEGIN /** Allocate the specified number of bytes, just like malloc() does. However, in case of OOM, terminate */ -void* pa_xmalloc(size_t l); +void* pa_xmalloc(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1); /** Same as pa_xmalloc(), but initialize allocated memory to 0 */ -void *pa_xmalloc0(size_t l); +void *pa_xmalloc0(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1); /** The combination of pa_xmalloc() and realloc() */ -void *pa_xrealloc(void *ptr, size_t size); +void *pa_xrealloc(void *ptr, size_t size) PA_GCC_ALLOC_SIZE(2); /** Free allocated memory */ void pa_xfree(void *p); /** Duplicate the specified string, allocating memory with pa_xmalloc() */ -char *pa_xstrdup(const char *s); +char *pa_xstrdup(const char *s) PA_GCC_MALLOC; /** Duplicate the specified string, but truncate after l characters */ -char *pa_xstrndup(const char *s, size_t l); +char *pa_xstrndup(const char *s, size_t l) PA_GCC_MALLOC; /** Duplicate the specified memory block */ -void* pa_xmemdup(const void *p, size_t l); +void* pa_xmemdup(const void *p, size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(2); /** Internal helper for pa_xnew() */ -static inline void* pa_xnew_internal(unsigned n, size_t k) { +static void* _pa_xnew_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2); + +static inline void* _pa_xnew_internal(size_t n, size_t k) { assert(n < INT_MAX/k); return pa_xmalloc(n*k); } /** Allocate n new structures of the specified type. */ -#define pa_xnew(type, n) ((type*) pa_xnew_internal((n), sizeof(type))) +#define pa_xnew(type, n) ((type*) _pa_xnew_internal((n), sizeof(type))) /** Internal helper for pa_xnew0() */ -static inline void* pa_xnew0_internal(unsigned n, size_t k) { +static void* _pa_xnew0_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2); + +static inline void* _pa_xnew0_internal(size_t n, size_t k) { assert(n < INT_MAX/k); return pa_xmalloc0(n*k); } /** Same as pa_xnew() but set the memory to zero */ -#define pa_xnew0(type, n) ((type*) pa_xnew0_internal((n), sizeof(type))) +#define pa_xnew0(type, n) ((type*) _pa_xnew0_internal((n), sizeof(type))) /** Internal helper for pa_xnew0() */ -static inline void* pa_xnewdup_internal(const void *p, unsigned n, size_t k) { +static void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3); + +static inline void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) { assert(n < INT_MAX/k); return pa_xmemdup(p, n*k); } /** Same as pa_xnew() but set the memory to zero */ -#define pa_xnewdup(type, p, n) ((type*) pa_xnewdup_internal((p), (n), sizeof(type))) +#define pa_xnewdup(type, p, n) ((type*) _pa_xnewdup_internal((p), (n), sizeof(type))) PA_C_DECL_END |