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Diffstat (limited to 'arch/powerpc/boot/gunzip_util.h')
| -rw-r--r-- | arch/powerpc/boot/gunzip_util.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/powerpc/boot/gunzip_util.h b/arch/powerpc/boot/gunzip_util.h deleted file mode 100644 index b3dfa6e87b3a..000000000000 --- a/arch/powerpc/boot/gunzip_util.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Decompression convenience functions - * - * Copyright 2007 David Gibson, IBM Corporation. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ -#ifndef _PPC_BOOT_GUNZIP_UTIL_H_ -#define _PPC_BOOT_GUNZIP_UTIL_H_ - -#include "zlib.h" - -/* - * These functions are designed to make life easy for decompressing - * kernel images, initrd images or any other gzip compressed image, - * particularly if its useful to decompress part of the image (e.g. to - * examine headers) before decompressing the remainder. - * - * To use: - * - declare a gunzip_state structure - * - use gunzip_start() to initialize the state, associating it - * with a stream of compressed data - * - use gunzip_partial(), gunzip_exactly() and gunzip_discard() - * in any combination to extract pieces of data from the stream - * - Finally use gunzip_finish() to extract the tail of the - * compressed stream and wind up zlib - */ - -/* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */ -#define GUNZIP_SCRATCH_SIZE 46912 - -struct gunzip_state { - z_stream s; - char scratch[46912]; -}; - -void gunzip_start(struct gunzip_state *state, void *src, int srclen); -int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen); -void gunzip_exactly(struct gunzip_state *state, void *dst, int len); -void gunzip_discard(struct gunzip_state *state, int len); -int gunzip_finish(struct gunzip_state *state, void *dst, int len); - -#endif /* _PPC_BOOT_GUNZIP_UTIL_H_ */ |