1 /* libFLAC - Free Lossless Audio Codec library
2 * Copyright (C) 2001,2002,2003,2004 Josh Coalson
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * - Neither the name of the Xiph.org Foundation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include "private/memory.h"
33 #include "FLAC/assert.h"
39 void *FLAC__memory_alloc_aligned(size_t bytes, void **aligned_address)
43 FLAC__ASSERT(0 != aligned_address);
45 #ifdef FLAC__ALIGN_MALLOC_DATA
46 /* align on 32-byte (256-bit) boundary */
48 *aligned_address = (void*)(((unsigned)x + 31) & -32);
56 FLAC__bool FLAC__memory_alloc_aligned_int32_array(unsigned elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer)
58 FLAC__int32 *pa, *pu; /* aligned pointer, unaligned pointer */
60 FLAC__ASSERT(elements > 0);
61 FLAC__ASSERT(0 != unaligned_pointer);
62 FLAC__ASSERT(0 != aligned_pointer);
63 FLAC__ASSERT(unaligned_pointer != aligned_pointer);
65 pu = (FLAC__int32*)FLAC__memory_alloc_aligned(sizeof(FLAC__int32) * elements, (void**)&pa);
70 if(*unaligned_pointer != 0)
71 free(*unaligned_pointer);
72 *unaligned_pointer = pu;
73 *aligned_pointer = pa;
78 FLAC__bool FLAC__memory_alloc_aligned_uint32_array(unsigned elements, FLAC__uint32 **unaligned_pointer, FLAC__uint32 **aligned_pointer)
80 FLAC__uint32 *pa, *pu; /* aligned pointer, unaligned pointer */
82 FLAC__ASSERT(elements > 0);
83 FLAC__ASSERT(0 != unaligned_pointer);
84 FLAC__ASSERT(0 != aligned_pointer);
85 FLAC__ASSERT(unaligned_pointer != aligned_pointer);
87 pu = (FLAC__uint32*)FLAC__memory_alloc_aligned(sizeof(FLAC__uint32) * elements, (void**)&pa);
92 if(*unaligned_pointer != 0)
93 free(*unaligned_pointer);
94 *unaligned_pointer = pu;
95 *aligned_pointer = pa;
100 FLAC__bool FLAC__memory_alloc_aligned_uint64_array(unsigned elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer)
102 FLAC__uint64 *pa, *pu; /* aligned pointer, unaligned pointer */
104 FLAC__ASSERT(elements > 0);
105 FLAC__ASSERT(0 != unaligned_pointer);
106 FLAC__ASSERT(0 != aligned_pointer);
107 FLAC__ASSERT(unaligned_pointer != aligned_pointer);
109 pu = (FLAC__uint64*)FLAC__memory_alloc_aligned(sizeof(FLAC__uint64) * elements, (void**)&pa);
114 if(*unaligned_pointer != 0)
115 free(*unaligned_pointer);
116 *unaligned_pointer = pu;
117 *aligned_pointer = pa;
122 FLAC__bool FLAC__memory_alloc_aligned_unsigned_array(unsigned elements, unsigned **unaligned_pointer, unsigned **aligned_pointer)
124 unsigned *pa, *pu; /* aligned pointer, unaligned pointer */
126 FLAC__ASSERT(elements > 0);
127 FLAC__ASSERT(0 != unaligned_pointer);
128 FLAC__ASSERT(0 != aligned_pointer);
129 FLAC__ASSERT(unaligned_pointer != aligned_pointer);
131 pu = (unsigned*)FLAC__memory_alloc_aligned(sizeof(unsigned) * elements, (void**)&pa);
136 if(*unaligned_pointer != 0)
137 free(*unaligned_pointer);
138 *unaligned_pointer = pu;
139 *aligned_pointer = pa;
144 FLAC__bool FLAC__memory_alloc_aligned_real_array(unsigned elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer)
146 FLAC__real *pa, *pu; /* aligned pointer, unaligned pointer */
148 FLAC__ASSERT(elements > 0);
149 FLAC__ASSERT(0 != unaligned_pointer);
150 FLAC__ASSERT(0 != aligned_pointer);
151 FLAC__ASSERT(unaligned_pointer != aligned_pointer);
153 pu = (FLAC__real*)FLAC__memory_alloc_aligned(sizeof(FLAC__real) * elements, (void**)&pa);
158 if(*unaligned_pointer != 0)
159 free(*unaligned_pointer);
160 *unaligned_pointer = pu;
161 *aligned_pointer = pa;