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-rw-r--r--lib_generic/lzma/LzmaTools.c165
1 files changed, 75 insertions, 90 deletions
diff --git a/lib_generic/lzma/LzmaTools.c b/lib_generic/lzma/LzmaTools.c
index 5ac42e5..c2a91e5 100644
--- a/lib_generic/lzma/LzmaTools.c
+++ b/lib_generic/lzma/LzmaTools.c
@@ -1,7 +1,7 @@
/*
- * Usefuls routines based on the LzmaTest.c file from LZMA SDK 4.57
+ * Usefuls routines based on the LzmaTest.c file from LZMA SDK 4.65
*
- * Copyright (C) 2007-2008 Industrie Dial Face S.p.A.
+ * Copyright (C) 2007-2009 Industrie Dial Face S.p.A.
* Luigi 'Comio' Mantellini (luigi.mantellini@idf-hit.com)
*
* Copyright (C) 1999-2005 Igor Pavlov
@@ -40,103 +40,88 @@
#ifdef CONFIG_LZMA
#define LZMA_PROPERTIES_OFFSET 0
-#define LZMA_SIZE_OFFSET LZMA_PROPERTIES_SIZE
+#define LZMA_SIZE_OFFSET LZMA_PROPS_SIZE
#define LZMA_DATA_OFFSET LZMA_SIZE_OFFSET+sizeof(uint64_t)
#include "LzmaTools.h"
-#include "LzmaDecode.h"
+#include "LzmaDec.h"
#include <linux/string.h>
#include <malloc.h>
+static void *SzAlloc(void *p, size_t size) { p = p; return malloc(size); }
+static void SzFree(void *p, void *address) { p = p; free(address); }
+
int lzmaBuffToBuffDecompress (unsigned char *outStream, SizeT *uncompressedSize,
- unsigned char *inStream, SizeT length)
+ unsigned char *inStream, SizeT length)
{
- int res = LZMA_RESULT_DATA_ERROR;
- int i;
-
- SizeT outSizeFull = 0xFFFFFFFF; /* 4GBytes limit */
- SizeT inProcessed;
- SizeT outProcessed;
- SizeT outSize;
- SizeT outSizeHigh;
- CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */
- unsigned char properties[LZMA_PROPERTIES_SIZE];
- SizeT compressedSize = (SizeT)(length - LZMA_DATA_OFFSET);
-
- debug ("LZMA: Image address............... 0x%lx\n", inStream);
- debug ("LZMA: Properties address.......... 0x%lx\n", inStream + LZMA_PROPERTIES_OFFSET);
- debug ("LZMA: Uncompressed size address... 0x%lx\n", inStream + LZMA_SIZE_OFFSET);
- debug ("LZMA: Compressed data address..... 0x%lx\n", inStream + LZMA_DATA_OFFSET);
- debug ("LZMA: Destination address......... 0x%lx\n", outStream);
-
- memcpy(properties, inStream + LZMA_PROPERTIES_OFFSET, LZMA_PROPERTIES_SIZE);
-
- memset(&state, 0, sizeof(state));
- res = LzmaDecodeProperties(&state.Properties,
- properties,
- LZMA_PROPERTIES_SIZE);
- if (res != LZMA_RESULT_OK) {
- return res;
- }
-
- outSize = 0;
- outSizeHigh = 0;
- /* Read the uncompressed size */
- for (i = 0; i < 8; i++) {
- unsigned char b = inStream[LZMA_SIZE_OFFSET + i];
- if (i < 4) {
- outSize += (UInt32)(b) << (i * 8);
- } else {
- outSizeHigh += (UInt32)(b) << ((i - 4) * 8);
- }
- }
-
- outSizeFull = (SizeT)outSize;
- if (sizeof(SizeT) >= 8) {
- /*
- * SizeT is a 64 bit uint => We can manage files larger than 4GB!
- *
- */
- outSizeFull |= (((SizeT)outSizeHigh << 16) << 16);
- } else if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize) {
- /*
- * SizeT is a 32 bit uint => We cannot manage files larger than
- * 4GB!
- *
- */
- debug ("LZMA: 64bit support not enabled.\n");
- return LZMA_RESULT_DATA_ERROR;
- }
-
- debug ("LZMA: Uncompresed size............ 0x%lx\n", outSizeFull);
- debug ("LZMA: Compresed size.............. 0x%lx\n", compressedSize);
- debug ("LZMA: Dynamic memory needed....... 0x%lx", LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
-
- state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
-
- if (state.Probs == 0
- || (outStream == 0 && outSizeFull != 0)
- || (inStream == 0 && compressedSize != 0)) {
- free(state.Probs);
- debug ("\n");
- return LZMA_RESULT_DATA_ERROR;
- }
-
- debug (" allocated.\n");
-
- /* Decompress */
-
- res = LzmaDecode(&state,
- inStream + LZMA_DATA_OFFSET, compressedSize, &inProcessed,
- outStream, outSizeFull, &outProcessed);
- if (res != LZMA_RESULT_OK) {
- return res;
- }
-
- *uncompressedSize = outProcessed;
- free(state.Probs);
- return res;
+ int res = SZ_ERROR_DATA;
+ int i;
+ ISzAlloc g_Alloc;
+
+ SizeT outSizeFull = 0xFFFFFFFF; /* 4GBytes limit */
+ SizeT inProcessed;
+ SizeT outProcessed;
+ SizeT outSize;
+ SizeT outSizeHigh;
+ ELzmaStatus state;
+ SizeT compressedSize = (SizeT)(length - LZMA_PROPS_SIZE);
+
+ debug ("LZMA: Image address............... 0x%lx\n", inStream);
+ debug ("LZMA: Properties address.......... 0x%lx\n", inStream + LZMA_PROPERTIES_OFFSET);
+ debug ("LZMA: Uncompressed size address... 0x%lx\n", inStream + LZMA_SIZE_OFFSET);
+ debug ("LZMA: Compressed data address..... 0x%lx\n", inStream + LZMA_DATA_OFFSET);
+ debug ("LZMA: Destination address......... 0x%lx\n", outStream);
+
+ memset(&state, 0, sizeof(state));
+
+ outSize = 0;
+ outSizeHigh = 0;
+ /* Read the uncompressed size */
+ for (i = 0; i < 8; i++) {
+ unsigned char b = inStream[LZMA_SIZE_OFFSET + i];
+ if (i < 4) {
+ outSize += (UInt32)(b) << (i * 8);
+ } else {
+ outSizeHigh += (UInt32)(b) << ((i - 4) * 8);
+ }
+ }
+
+ outSizeFull = (SizeT)outSize;
+ if (sizeof(SizeT) >= 8) {
+ /*
+ * SizeT is a 64 bit uint => We can manage files larger than 4GB!
+ *
+ */
+ outSizeFull |= (((SizeT)outSizeHigh << 16) << 16);
+ } else if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize) {
+ /*
+ * SizeT is a 32 bit uint => We cannot manage files larger than
+ * 4GB!
+ *
+ */
+ debug ("LZMA: 64bit support not enabled.\n");
+ return SZ_ERROR_DATA;
+ }
+
+ debug ("LZMA: Uncompresed size............ 0x%lx\n", outSizeFull);
+ debug ("LZMA: Compresed size.............. 0x%lx\n", compressedSize);
+
+ g_Alloc.Alloc = SzAlloc;
+ g_Alloc.Free = SzFree;
+
+ /* Decompress */
+ outProcessed = outSizeFull;
+ res = LzmaDecode(
+ outStream, &outProcessed,
+ inStream + LZMA_DATA_OFFSET, &compressedSize,
+ inStream, LZMA_PROPS_SIZE, LZMA_FINISH_ANY, &state, &g_Alloc);
+ *uncompressedSize = outProcessed;
+ if (res != SZ_OK) {
+ return res;
+ }
+
+ return res;
}
#endif
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