memory.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:6k
源码类别:
Windows CE
开发平台:
C/C++
- /* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "private/memory.h"
- #include "FLAC/assert.h"
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address)
- {
- void *x;
- FLAC__ASSERT(0 != aligned_address);
- #ifdef FLAC__ALIGN_MALLOC_DATA
- /* align on 32-byte (256-bit) boundary */
- x = malloc(bytes+31);
- *aligned_address = (void*)(((unsigned)x + 31) & -32);
- #else
- x = malloc(bytes);
- *aligned_address = x;
- #endif
- return x;
- }
- FLAC__bool FLAC__memory_alloc_aligned_int32_array(unsigned elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer)
- {
- FLAC__int32 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__int32 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
- pu = (FLAC__int32*)FLAC__memory_alloc_aligned(sizeof(FLAC__int32) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
- }
- FLAC__bool FLAC__memory_alloc_aligned_uint32_array(unsigned elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer)
- {
- FLAC__uint32 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__uint32 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
- pu = (FLAC__uint32*)FLAC__memory_alloc_aligned(sizeof(FLAC__uint32) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
- }
- FLAC__bool FLAC__memory_alloc_aligned_uint64_array(unsigned elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer)
- {
- FLAC__uint64 *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__uint64 *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
- pu = (FLAC__uint64*)FLAC__memory_alloc_aligned(sizeof(FLAC__uint64) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
- }
- FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(unsigned elements, unsigned **unaligned_pointer, unsigned **aligned_pointer)
- {
- unsigned *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- unsigned *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
- pu = (unsigned*)FLAC__memory_alloc_aligned(sizeof(unsigned) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
- }
- #ifndef FLAC__INTEGER_ONLY_LIBRARY
- FLAC__bool FLAC__memory_alloc_aligned_real_array(unsigned elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer)
- {
- FLAC__real *pu; /* unaligned pointer */
- union { /* union needed to comply with C99 pointer aliasing rules */
- FLAC__real *pa; /* aligned pointer */
- void *pv; /* aligned pointer alias */
- } u;
- FLAC__ASSERT(elements > 0);
- FLAC__ASSERT(0 != unaligned_pointer);
- FLAC__ASSERT(0 != aligned_pointer);
- FLAC__ASSERT(unaligned_pointer != aligned_pointer);
- pu = (FLAC__real*)FLAC__memory_alloc_aligned(sizeof(FLAC__real) * elements, &u.pv);
- if(0 == pu) {
- return false;
- }
- else {
- if(*unaligned_pointer != 0)
- free(*unaligned_pointer);
- *unaligned_pointer = pu;
- *aligned_pointer = u.pa;
- return true;
- }
- }
- #endif