49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*
|
|
* DMG lzfse uncompression
|
|
*
|
|
* Copyright (c) 2018 Julio Cesar Faracco
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include "dmg.h"
|
|
#include <lzfse.h>
|
|
|
|
static int dmg_uncompress_lzfse_do(char *next_in, unsigned int avail_in,
|
|
char *next_out, unsigned int avail_out)
|
|
{
|
|
size_t out_size = lzfse_decode_buffer((uint8_t *) next_out, avail_out,
|
|
(uint8_t *) next_in, avail_in,
|
|
NULL);
|
|
|
|
/* We need to decode the single chunk only. */
|
|
/* So, out_size == avail_out is not an error here. */
|
|
if (out_size > 0) {
|
|
return out_size;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
__attribute__((constructor))
|
|
static void dmg_lzfse_init(void)
|
|
{
|
|
assert(!dmg_uncompress_lzfse);
|
|
dmg_uncompress_lzfse = dmg_uncompress_lzfse_do;
|
|
}
|