31 lines
921 B
C
31 lines
921 B
C
/*
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* Decompression convenience functions
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*
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* Copyright 2007 David Gibson, IBM Corporation.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef _PPC_BOOT_GUNZIP_UTIL_H_
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#define _PPC_BOOT_GUNZIP_UTIL_H_
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#include "zlib.h"
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/* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */
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#define GUNZIP_SCRATCH_SIZE 46912
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struct gunzip_state {
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z_stream s;
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char scratch[46912];
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};
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void gunzip_start(struct gunzip_state *state, void *src, int srclen);
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int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen);
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void gunzip_exactly(struct gunzip_state *state, void *dst, int len);
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void gunzip_discard(struct gunzip_state *state, int len);
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int gunzip_finish(struct gunzip_state *state, void *dst, int len);
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#endif /* _PPC_BOOT_GUNZIP_UTIL_H_ */
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