mirror of https://github.com/axmolengine/axmol.git
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* ioapi_mem.h -- IO base function header for compress/uncompress .zip
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files using zlib + zip or unzip API
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This version of ioapi is designed to access memory rather than files.
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We do use a region of memory to put data in to and take it out of.
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Copyright (C) 2012-2017 Nathan Moinvaziri (https://github.com/nmoinvaz/minizip)
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(C) 2003 Justin Fletcher
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(C) 1998-2003 Gilles Vollant
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This program is distributed under the terms of the same license as zlib.
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See the accompanying LICENSE file for the full text of the license.
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*/
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#ifndef _IOAPI_MEM_H
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#define _IOAPI_MEM_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "zlib.h"
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#include "ioapi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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voidpf ZCALLBACK fopen_mem_func(voidpf opaque, const char* filename, int mode);
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voidpf ZCALLBACK fopendisk_mem_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode);
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uint32_t ZCALLBACK fread_mem_func(voidpf opaque, voidpf stream, void* buf, uint32_t size);
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uint32_t ZCALLBACK fwrite_mem_func(voidpf opaque, voidpf stream, const void* buf, uint32_t size);
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long ZCALLBACK ftell_mem_func(voidpf opaque, voidpf stream);
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long ZCALLBACK fseek_mem_func(voidpf opaque, voidpf stream, uint32_t offset, int origin);
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int ZCALLBACK fclose_mem_func(voidpf opaque, voidpf stream);
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int ZCALLBACK ferror_mem_func(voidpf opaque, voidpf stream);
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typedef struct ourmemory_s {
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char *base; /* Base of the region of memory we're using */
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uint32_t size; /* Size of the region of memory we're using */
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uint32_t limit; /* Furthest we've written */
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uint32_t cur_offset; /* Current offset in the area */
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int grow; /* Growable memory buffer */
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} ourmemory_t;
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void fill_memory_filefunc(zlib_filefunc_def* pzlib_filefunc_def, ourmemory_t *ourmem);
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#ifdef __cplusplus
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}
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#endif
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#endif
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