#ifndef foomemoryhfoo #define foomemoryhfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering 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 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #include #include #include #include #include #include #include /** \file * Memory allocation functions. */ 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) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1); /** Same as pa_xmalloc(), but initialize allocated memory to 0 */ 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) 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) PA_GCC_MALLOC; /** Duplicate the specified string, but truncate after l characters */ 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) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(2); /** Internal helper for pa_xnew() */ 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))) /** Internal helper for pa_xnew0() */ 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))) /** Internal helper for pa_xnew0() */ 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 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