EXIF library (libexif) API  0.6.25
exif-mem.h
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1 
5 /* exif-mem.h
6  *
7  * Copyright (c) 2003 Lutz Mueller <lutz@users.sourceforge.net>
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the
21  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22  * Boston, MA 02110-1301 USA.
23  *
24  * SPDX-License-Identifier: LGPL-2.0-or-later
25  */
26 
27 #ifndef LIBEXIF_EXIF_MEM_H
28 #define LIBEXIF_EXIF_MEM_H
29 
30 #include <libexif/exif-utils.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif /* __cplusplus */
35 
41 typedef void * (* ExifMemAllocFunc) (ExifLong s);
42 
49 typedef void * (* ExifMemReallocFunc) (void *p, ExifLong s);
50 
56 typedef void (* ExifMemFreeFunc) (void *p);
57 
59 typedef struct _ExifMem ExifMem;
60 
69  ExifMemFreeFunc f);
72 void exif_mem_ref (ExifMem *);
73 
77 void exif_mem_unref (ExifMem *);
78 
79 void *exif_mem_alloc (ExifMem *m, ExifLong s);
80 void *exif_mem_realloc (ExifMem *m, void *p, ExifLong s);
81 void exif_mem_free (ExifMem *m, void *p);
82 
88 
89 #ifdef __cplusplus
90 }
91 #endif /* __cplusplus */
92 
93 #endif /* !defined(LIBEXIF_EXIF_MEM_H) */
uint32_t ExifLong
EXIF Unsigned Long data type.
Definition: exif-utils.h:56
struct _ExifMem ExifMem
ExifMem define a memory allocator.
Definition: exif-mem.h:59
void exif_mem_ref(ExifMem *)
Refcount an ExifMem.
Definition: exif-mem.c:76
void(* ExifMemFreeFunc)(void *p)
Free method for ExifMem.
Definition: exif-mem.h:56
ExifMem * exif_mem_new(ExifMemAllocFunc a, ExifMemReallocFunc r, ExifMemFreeFunc f)
Create a new ExifMem.
Definition: exif-mem.c:56
void *(* ExifMemAllocFunc)(ExifLong s)
Should work like calloc()
Definition: exif-mem.h:41
void exif_mem_unref(ExifMem *)
Unrefcount an ExifMem.
Definition: exif-mem.c:83
ExifMem * exif_mem_new_default(void)
Create a new ExifMem with default values for your convenience.
Definition: exif-mem.c:117
void *(* ExifMemReallocFunc)(void *p, ExifLong s)
Should work like realloc()
Definition: exif-mem.h:49
EXIF data manipulation functions and types.