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https://github.com/simtactics/niotso.git
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85 lines
No EOL
2.8 KiB
C
85 lines
No EOL
2.8 KiB
C
/*
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iff.h - Copyright (c) 2012 Fatbag <X-Fi6@phppoll.org>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef read_uint32be
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#define read_uint32be(x) (unsigned)(((x)[0]<<(8*3)) | ((x)[1]<<(8*2)) | ((x)[2]<<(8*1)) | ((x)[3]<<(8*0)))
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#define read_uint24be(x) (unsigned)(((x)[0]<<(8*2)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*0)))
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#define read_uint16be(x) (unsigned)(((x)[0]<<(8*1)) | ((x)[1]<<(8*0)))
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#define read_uint8be(x) (unsigned)(((x)[0]<<(8*0)))
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#define read_uint32le(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)) | ((x)[3]<<(8*3)))
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#define read_uint24le(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)))
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#define read_uint16le(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)))
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#define read_uint8le(x) (unsigned)(((x)[0]<<(8*0)))
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#endif
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typedef struct IFFChunk_struct
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{
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char Type[5];
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uint32_t Size;
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uint16_t ChunkID;
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uint16_t Flags;
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char Label[65];
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uint8_t * Data;
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void * FormattedData;
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} IFFChunk;
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typedef struct IFFChunkNode_struct
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{
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IFFChunk Chunk;
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struct IFFChunkNode_struct * PrevChunk;
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struct IFFChunkNode_struct * NextChunk;
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} IFFChunkNode;
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typedef struct IFFFile_struct
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{
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uint8_t Header[64];
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uint32_t ChunkCount;
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IFFChunkNode * FirstChunk;
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IFFChunkNode * LastChunk;
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IFFChunkNode * ResourceMap;
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} IFFFile;
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static const uint8_t Header_IFF[] = "IFF FILE 2.5:TYPE FOLLOWED BY SIZE\0 JAMIE DOORNBOS & MAXIS 1";
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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** IFF file functions
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*/
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IFFFile * iff_create();
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int iff_read_header(IFFFile * IFFFileInfo, const uint8_t * Buffer, unsigned FileSize);
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IFFChunkNode * iff_add_chunk(IFFFile * IFFFileInfo, int Position);
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int iff_read_chunk(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned MaxChunkSize);
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int iff_enumerate_chunks(IFFFile * IFFFileInfo, const uint8_t * Buffer, unsigned BufferSize);
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void iff_delete_chunk(IFFFile * IFFFileInfo, int Position);
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void iff_delete(IFFFile * IFFFileInfo);
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/*
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** IFF chunk functions
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*/
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int iff_read_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned MaxChunkSize, unsigned IFFSize);
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#ifdef __cplusplus
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}
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#endif |