106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
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#ifndef foomemoryhfoo
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#define foomemoryhfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <assert.h>
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#include <pulse/cdecl.h>
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#include <pulse/gccmacro.h>
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#include <pulse/version.h>
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/** \file
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* Memory allocation functions.
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*/
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PA_C_DECL_BEGIN
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/** Allocate the specified number of bytes, just like malloc() does. However, in case of OOM, terminate */
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void* pa_xmalloc(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
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/** Same as pa_xmalloc(), but initialize allocated memory to 0 */
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void *pa_xmalloc0(size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(1);
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/** The combination of pa_xmalloc() and realloc() */
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void *pa_xrealloc(void *ptr, size_t size) PA_GCC_ALLOC_SIZE(2);
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/** Free allocated memory */
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void pa_xfree(void *p);
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/** Duplicate the specified string, allocating memory with pa_xmalloc() */
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char *pa_xstrdup(const char *s) PA_GCC_MALLOC;
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/** Duplicate the specified string, but truncate after l characters */
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char *pa_xstrndup(const char *s, size_t l) PA_GCC_MALLOC;
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/** Duplicate the specified memory block */
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void* pa_xmemdup(const void *p, size_t l) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE(2);
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/** Internal helper for pa_xnew() */
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static void* _pa_xnew_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
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static inline void* _pa_xnew_internal(size_t n, size_t k) {
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assert(n < INT_MAX/k);
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return pa_xmalloc(n*k);
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}
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/** Allocate n new structures of the specified type. */
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#define pa_xnew(type, n) ((type*) _pa_xnew_internal((n), sizeof(type)))
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/** Internal helper for pa_xnew0() */
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static void* _pa_xnew0_internal(size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(1,2);
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static inline void* _pa_xnew0_internal(size_t n, size_t k) {
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assert(n < INT_MAX/k);
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return pa_xmalloc0(n*k);
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}
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/** Same as pa_xnew() but set the memory to zero */
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#define pa_xnew0(type, n) ((type*) _pa_xnew0_internal((n), sizeof(type)))
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/** Internal helper for pa_xnew0() */
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static void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
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static inline void* _pa_xnewdup_internal(const void *p, size_t n, size_t k) {
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assert(n < INT_MAX/k);
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return pa_xmemdup(p, n*k);
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}
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/** Same as pa_xnew() but duplicate the specified data */
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#define pa_xnewdup(type, p, n) ((type*) _pa_xnewdup_internal((p), (n), sizeof(type)))
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/** Internal helper for pa_xrenew() */
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static void* _pa_xrenew_internal(void *p, size_t n, size_t k) PA_GCC_MALLOC PA_GCC_ALLOC_SIZE2(2,3);
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static inline void* _pa_xrenew_internal(void *p, size_t n, size_t k) {
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assert(n < INT_MAX/k);
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return pa_xrealloc(p, n*k);
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}
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/** Reallocate n new structures of the specified type. */
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#define pa_xrenew(type, p, n) ((type*) _pa_xrenew_internal(p, (n), sizeof(type)))
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PA_C_DECL_END
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#endif
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