home *** CD-ROM | disk | FTP | other *** search
- /*! \file exif-mem.h
- * \brief Define the ExifMem data type and the associated functions.
- * ExifMem defines the memory management functions used by the ExifLoader.
- */
-
- /* exif-mem.h
- *
- * Copyright ⌐ 2003 Lutz Mⁿller <lutz@users.sourceforge.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
- #ifndef __EXIF_MEM_H__
- #define __EXIF_MEM_H__
-
- #include <libexif/exif-utils.h>
-
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
-
- /*! Should work like calloc()
- * \param[in] s the size of the block to allocate.
- * \returns the allocated memory and initialized.
- */
- typedef void * (* ExifMemAllocFunc) (ExifLong s);
-
- /*! Should work like realloc()
- * \param[in] p the pointer to reallocate
- * \param[in] s the size of the reallocated block
- * \returns allocated memory
- */
- typedef void * (* ExifMemReallocFunc) (void *p, ExifLong s);
- /*! Free method for ExifMem
- * \param[in] p the pointer to free
- * \returns the freed pointer
- */
- typedef void (* ExifMemFreeFunc) (void *p);
-
- /*! ExifMem define a memory allocator */
- typedef struct _ExifMem ExifMem;
-
- /*! Create a new ExifMem
- * \param[in] a the allocator function
- * \param[in] r the reallocator function
- * \param[in] f the free function
- */
- ExifMem *exif_mem_new (ExifMemAllocFunc a, ExifMemReallocFunc r,
- ExifMemFreeFunc f);
- /*! Refcount an ExifMem
- */
- void exif_mem_ref (ExifMem *);
- /*! Unrefcount an ExifMem
- * If the refcount reaches 0, the ExifMem is freed
- */
- void exif_mem_unref (ExifMem *);
-
- void *exif_mem_alloc (ExifMem *m, ExifLong s);
- void *exif_mem_realloc (ExifMem *m, void *p, ExifLong s);
- void exif_mem_free (ExifMem *m, void *p);
-
- /*! The default ExifMem for your convenience
- * \returns return the default ExifMem
- */
- ExifMem *exif_mem_new_default (void);
-
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
-
- #endif /* __EXIF_MEM_H__ */
-