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61 lines
1.5 KiB
C
Vendored
61 lines
1.5 KiB
C
Vendored
/*
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Copyright (c) 2011, 2012, Simon Howard
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Permission to use, copy, modify, and/or distribute this software
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for any purpose with or without fee is hereby granted, provided
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that the above copyright notice and this permission notice appear
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in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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// Null decoder, for uncompressed files.
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#include <stdlib.h>
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#include <inttypes.h>
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#include "lha_decoder.h"
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#define BLOCK_READ_SIZE 1024
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typedef struct {
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LHADecoderCallback callback;
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void *callback_data;
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} LHANullDecoder;
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static int lha_null_init(void *data, LHADecoderCallback callback,
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void *callback_data)
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{
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LHANullDecoder *decoder = data;
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decoder->callback = callback;
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decoder->callback_data = callback_data;
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return 1;
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}
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static size_t lha_null_read(void *data, uint8_t *buf)
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{
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LHANullDecoder *decoder = data;
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return decoder->callback(buf, BLOCK_READ_SIZE, decoder->callback_data);
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}
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LHADecoderType lha_null_decoder = {
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lha_null_init,
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NULL,
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lha_null_read,
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sizeof(LHANullDecoder),
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BLOCK_READ_SIZE,
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2048
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};
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