X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/8d9bdaca5a4092cd078d79c58c4bfa0da277bff4..e11b699d45fa3dca2cde8a976cbf25490f5501a4:/src/pulse/xmalloc.h diff --git a/src/pulse/xmalloc.h b/src/pulse/xmalloc.h index 62a450dc..f720d83f 100644 --- a/src/pulse/xmalloc.h +++ b/src/pulse/xmalloc.h @@ -1,8 +1,6 @@ #ifndef foomemoryhfoo #define foomemoryhfoo -/* $Id$ */ - /*** This file is part of PulseAudio. @@ -10,7 +8,7 @@ PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, + by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but @@ -28,7 +26,10 @@ #include #include #include + #include +#include +#include /** \file * Memory allocation functions. @@ -37,52 +38,69 @@ 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))) +/** 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