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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/opj_malloc.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32 #ifndef OPJ_MALLOC_H
33 #define OPJ_MALLOC_H
34
35 #include <stddef.h>
36 /**
37 @file opj_malloc.h
38 @brief Internal functions
39
40 The functions in opj_malloc.h are internal utilities used for memory management.
41 */
42
43 /** @defgroup MISC MISC - Miscellaneous internal functions */
44 /*@{*/
45
46 /** @name Exported functions */
47 /*@{*/
48 /* ----------------------------------------------------------------------- */
49
50 /**
51 Allocate an uninitialized memory block
52 @param size Bytes to allocate
53 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
54 */
55 void * opj_malloc(size_t size);
56
57 /**
58 Allocate a memory block with elements initialized to 0
59 @param numOfElements Blocks to allocate
60 @param sizeOfElements Bytes per block to allocate
61 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
62 */
63 void * opj_calloc(size_t numOfElements, size_t sizeOfElements);
64
65 /**
66 Allocate memory aligned to a 16 byte boundary
67 @param size Bytes to allocate
68 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
69 */
70 void * opj_aligned_malloc(size_t size);
71 void * opj_aligned_realloc(void *ptr, size_t size);
72 void opj_aligned_free(void* ptr);
73
74 /**
75 Allocate memory aligned to a 32 byte boundary
76 @param size Bytes to allocate
77 @return Returns a void pointer to the allocated space, or NULL if there is insufficient memory available
78 */
79 void * opj_aligned_32_malloc(size_t size);
80 void * opj_aligned_32_realloc(void *ptr, size_t size);
81
82 /**
83 Reallocate memory blocks.
84 @param m Pointer to previously allocated memory block
85 @param s New size in bytes
86 @return Returns a void pointer to the reallocated (and possibly moved) memory block
87 */
88 void * opj_realloc(void * m, size_t s);
89
90 /**
91 Deallocates or frees a memory block.
92 @param m Previously allocated memory block to be freed
93 */
94 void opj_free(void * m);
95
96 #if defined(__GNUC__) && !defined(OPJ_SKIP_POISON)
97 #pragma GCC poison malloc calloc realloc free
98 #endif
99
100 /* ----------------------------------------------------------------------- */
101 /*@}*/
102
103 /*@}*/
104
105 #endif /* OPJ_MALLOC_H */
106