Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(48)

Unified Diff: third_party/lzma_sdk/C/Lzma86Dec.c

Issue 6730044: Upgrading lzma_sdk to version 9.20. Base URL: svn://chrome-svn.corp.google.com/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « third_party/lzma_sdk/C/Lzma86.h ('k') | third_party/lzma_sdk/C/Lzma86Enc.c » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: third_party/lzma_sdk/C/Lzma86Dec.c
===================================================================
--- third_party/lzma_sdk/C/Lzma86Dec.c (revision 0)
+++ third_party/lzma_sdk/C/Lzma86Dec.c (revision 0)
@@ -0,0 +1,56 @@
+/* Lzma86Dec.c -- LZMA + x86 (BCJ) Filter Decoder
+2009-08-14 : Igor Pavlov : Public domain */
+
+#include "Lzma86.h"
+
+#include "Alloc.h"
+#include "Bra.h"
+#include "LzmaDec.h"
+
+static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); }
+static void SzFree(void *p, void *address) { p = p; MyFree(address); }
+
+SRes Lzma86_GetUnpackSize(const Byte *src, SizeT srcLen, UInt64 *unpackSize)
+{
+ unsigned i;
+ if (srcLen < LZMA86_HEADER_SIZE)
+ return SZ_ERROR_INPUT_EOF;
+ *unpackSize = 0;
+ for (i = 0; i < sizeof(UInt64); i++)
+ *unpackSize += ((UInt64)src[LZMA86_SIZE_OFFSET + i]) << (8 * i);
+ return SZ_OK;
+}
+
+SRes Lzma86_Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen)
+{
+ ISzAlloc g_Alloc = { SzAlloc, SzFree };
+ SRes res;
+ int useFilter;
+ SizeT inSizePure;
+ ELzmaStatus status;
+
+ if (*srcLen < LZMA86_HEADER_SIZE)
+ return SZ_ERROR_INPUT_EOF;
+
+ useFilter = src[0];
+
+ if (useFilter > 1)
+ {
+ *destLen = 0;
+ return SZ_ERROR_UNSUPPORTED;
+ }
+
+ inSizePure = *srcLen - LZMA86_HEADER_SIZE;
+ res = LzmaDecode(dest, destLen, src + LZMA86_HEADER_SIZE, &inSizePure,
+ src + 1, LZMA_PROPS_SIZE, LZMA_FINISH_ANY, &status, &g_Alloc);
+ *srcLen = inSizePure + LZMA86_HEADER_SIZE;
+ if (res != SZ_OK)
+ return res;
+ if (useFilter == 1)
+ {
+ UInt32 x86State;
+ x86_Convert_Init(x86State);
+ x86_Convert(dest, *destLen, 0, &x86State, 0);
+ }
+ return SZ_OK;
+}
Property changes on: third_party\lzma_sdk\C\Lzma86Dec.c
___________________________________________________________________
Added: svn:executable
+ *
Added: svn:eol-style
+ LF
« no previous file with comments | « third_party/lzma_sdk/C/Lzma86.h ('k') | third_party/lzma_sdk/C/Lzma86Enc.c » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698