diff options
Diffstat (limited to 'package/platform/lantiq/ltq-vdsl-fw/src/LzmaWrapper.c')
| -rw-r--r-- | package/platform/lantiq/ltq-vdsl-fw/src/LzmaWrapper.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/package/platform/lantiq/ltq-vdsl-fw/src/LzmaWrapper.c b/package/platform/lantiq/ltq-vdsl-fw/src/LzmaWrapper.c deleted file mode 100644 index 7dce056..0000000 --- a/package/platform/lantiq/ltq-vdsl-fw/src/LzmaWrapper.c +++ /dev/null @@ -1,206 +0,0 @@ -/****************************************************************************** -** -** FILE NAME : LzmaWrapper.c -** PROJECT : bootloader -** MODULES : U-boot -** -** DATE : 2 Nov 2006 -** AUTHOR : Lin Mars -** DESCRIPTION : LZMA decoder support for U-boot 1.1.5 -** COPYRIGHT : Copyright (c) 2006 -** Infineon Technologies AG -** Am Campeon 1-12, 85579 Neubiberg, Germany -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU General Public License as published by -** the Free Software Foundation; either version 2 of the License, or -** (at your option) any later version. -** -** HISTORY -** $Date $Author $Comment -** 2 Nov 2006 Lin Mars init version which derived from LzmaTest.c from -** LZMA v4.43 SDK -** 24 May 2007 Lin Mars Fix issue for multiple lzma_inflate involved -*******************************************************************************/ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "LzmaDecode.h" -#include "LzmaWrapper.h" - -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) -static const char *kCantReadMessage = "Can not read from source buffer"; -static const char *kCantAllocateMessage = "Not enough buffer for decompression"; -#endif - -static size_t rpos=0, dpos=0; - -static int MyReadFileAndCheck(unsigned char *src, void *dest, size_t size) -{ - if (size == 0) - return 0; - memcpy(dest, src + rpos, size); - rpos += size; - return 1; -} - -int lzma_inflate(unsigned char *source, int s_len, unsigned char *dest, int *d_len) -{ - /* We use two 32-bit integers to construct 64-bit integer for file size. - You can remove outSizeHigh, if you don't need >= 4GB supporting, - or you can use UInt64 outSize, if your compiler supports 64-bit integers*/ - UInt32 outSize = 0; - UInt32 outSizeHigh = 0; - SizeT outSizeFull; - unsigned char *outStream; - - int waitEOS = 1; - /* waitEOS = 1, if there is no uncompressed size in headers, - so decoder will wait EOS (End of Stream Marker) in compressed stream */ - - SizeT compressedSize; - unsigned char *inStream; - - CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */ - unsigned char properties[LZMA_PROPERTIES_SIZE]; - - int res; - - rpos=0; dpos=0; - - if (sizeof(UInt32) < 4) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("LZMA decoder needs correct UInt32\n"); -#endif - return LZMA_RESULT_DATA_ERROR; - } - - { - long length=s_len; - if ((long)(SizeT)length != length) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("Too big compressed stream\n"); -#endif - return LZMA_RESULT_DATA_ERROR; - } - compressedSize = (SizeT)(length - (LZMA_PROPERTIES_SIZE + 8)); - } - - /* Read LZMA properties for compressed stream */ - - if (!MyReadFileAndCheck(source, properties, sizeof(properties))) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("%s\n", kCantReadMessage); -#endif - return LZMA_RESULT_DATA_ERROR; - } - - /* Read uncompressed size */ - { - int i; - for (i = 0; i < 8; i++) - { - unsigned char b; - if (!MyReadFileAndCheck(source, &b, 1)) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("%s\n", kCantReadMessage); -#endif - return LZMA_RESULT_DATA_ERROR; - } - if (b != 0xFF) - waitEOS = 0; - if (i < 4) - outSize += (UInt32)(b) << (i * 8); - else - outSizeHigh += (UInt32)(b) << ((i - 4) * 8); - } - - if (waitEOS) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("Stream with EOS marker is not supported"); -#endif - return LZMA_RESULT_DATA_ERROR; - } - outSizeFull = (SizeT)outSize; - if (sizeof(SizeT) >= 8) - outSizeFull |= (((SizeT)outSizeHigh << 16) << 16); - else if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("Too big uncompressed stream"); -#endif - return LZMA_RESULT_DATA_ERROR; - } - } - - /* Decode LZMA properties and allocate memory */ - if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("Incorrect stream properties"); -#endif - return LZMA_RESULT_DATA_ERROR; - } - state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb)); - - if (outSizeFull == 0) - outStream = 0; - else - { - if (outSizeFull > d_len) - outStream = 0; - else - outStream = dest; - } - - if (compressedSize == 0) - inStream = 0; - else - { - if ((compressedSize+rpos) > s_len ) - inStream = 0; - else - inStream = source + rpos; - } - - if (state.Probs == 0 - || (outStream == 0 && outSizeFull != 0) - || (inStream == 0 && compressedSize != 0) - ) - { - free(state.Probs); -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("%s\n", kCantAllocateMessage); -#endif - return LZMA_RESULT_DATA_ERROR; - } - - /* Decompress */ - { - SizeT inProcessed; - SizeT outProcessed; - res = LzmaDecode(&state, - inStream, compressedSize, &inProcessed, - outStream, outSizeFull, &outProcessed); - if (res != 0) - { -#if defined(DEBUG_ENABLE_BOOTSTRAP_PRINTF) || !defined(CFG_BOOTSTRAP_CODE) - printf("\nDecoding error = %d\n", res); -#endif - res = 1; - } - else - { - *d_len = outProcessed; - } - } - - free(state.Probs); - return res; -} |