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path: root/7zip/Archive/7z_C/7zMain.c
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Diffstat (limited to '7zip/Archive/7z_C/7zMain.c')
-rwxr-xr-x7zip/Archive/7z_C/7zMain.c356
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diff --git a/7zip/Archive/7z_C/7zMain.c b/7zip/Archive/7z_C/7zMain.c
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--- a/7zip/Archive/7z_C/7zMain.c
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@@ -1,356 +0,0 @@
-/*
-7zMain.c
-Test application for 7z Decoder
-LZMA SDK 4.43 Copyright (c) 1999-2006 Igor Pavlov (2006-06-04)
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef _WIN32
-#define USE_WINDOWS_FUNCTIONS
-#endif
-
-#ifdef USE_WINDOWS_FUNCTIONS
-#include <windows.h>
-#endif
-
-#include "7zCrc.h"
-#include "7zIn.h"
-#include "7zExtract.h"
-
-
-#ifdef USE_WINDOWS_FUNCTIONS
-typedef HANDLE MY_FILE_HANDLE;
-#else
-typedef FILE *MY_FILE_HANDLE;
-#endif
-
-void ConvertNumberToString(CFileSize value, char *s)
-{
- char temp[32];
- int pos = 0;
- do
- {
- temp[pos++] = (char)('0' + (int)(value % 10));
- value /= 10;
- }
- while (value != 0);
- do
- *s++ = temp[--pos];
- while(pos > 0);
- *s = '\0';
-}
-
-
-#ifdef USE_WINDOWS_FUNCTIONS
-// ReadFile and WriteFile functions in Windows have BUG:
-// If you Read or Write 64MB or more (probably min_failure_size = 64MB - 32KB + 1)
-// from/to Network file, it returns ERROR_NO_SYSTEM_RESOURCES
-// (Insufficient system resources exist to complete the requested service).
-#define kChunkSizeMax (1 << 24)
-#endif
-
-size_t MyReadFile(MY_FILE_HANDLE file, void *data, size_t size)
-{
- if (size == 0)
- return 0;
- #ifdef USE_WINDOWS_FUNCTIONS
- {
- size_t processedSize = 0;
- do
- {
- DWORD curSize = (size > kChunkSizeMax) ? kChunkSizeMax : (DWORD)size;
- DWORD processedLoc = 0;
- BOOL res = ReadFile(file, data, curSize, &processedLoc, NULL);
- data = (void *)((unsigned char *)data + processedLoc);
- size -= processedLoc;
- processedSize += processedLoc;
- if (!res || processedLoc == 0)
- break;
- }
- while (size > 0);
- return processedSize;
- }
- #else
- return fread(data, 1, size, file);
- #endif
-}
-
-size_t MyWriteFile(MY_FILE_HANDLE file, void *data, size_t size)
-{
- if (size == 0)
- return 0;
- #ifdef USE_WINDOWS_FUNCTIONS
- {
- size_t processedSize = 0;
- do
- {
- DWORD curSize = (size > kChunkSizeMax) ? kChunkSizeMax : (DWORD)size;
- DWORD processedLoc = 0;
- BOOL res = WriteFile(file, data, curSize, &processedLoc, NULL);
- data = (void *)((unsigned char *)data + processedLoc);
- size -= processedLoc;
- processedSize += processedLoc;
- if (!res)
- break;
- }
- while (size > 0);
- return processedSize;
- }
- #else
- return fwrite(data, 1, size, file);
- #endif
-}
-
-int MyCloseFile(MY_FILE_HANDLE file)
-{
- #ifdef USE_WINDOWS_FUNCTIONS
- return (CloseHandle(file) != FALSE) ? 0 : 1;
- #else
- return fclose(file);
- #endif
-}
-
-typedef struct _CFileInStream
-{
- ISzInStream InStream;
- MY_FILE_HANDLE File;
-} CFileInStream;
-
-#ifdef _LZMA_IN_CB
-
-#define kBufferSize (1 << 12)
-Byte g_Buffer[kBufferSize];
-
-SZ_RESULT SzFileReadImp(void *object, void **buffer, size_t maxRequiredSize, size_t *processedSize)
-{
- CFileInStream *s = (CFileInStream *)object;
- size_t processedSizeLoc;
- if (maxRequiredSize > kBufferSize)
- maxRequiredSize = kBufferSize;
- processedSizeLoc = MyReadFile(s->File, g_Buffer, maxRequiredSize);
- *buffer = g_Buffer;
- if (processedSize != 0)
- *processedSize = processedSizeLoc;
- return SZ_OK;
-}
-
-#else
-
-SZ_RESULT SzFileReadImp(void *object, void *buffer, size_t size, size_t *processedSize)
-{
- CFileInStream *s = (CFileInStream *)object;
- size_t processedSizeLoc = MyReadFile(s->File, buffer, size);
- if (processedSize != 0)
- *processedSize = processedSizeLoc;
- return SZ_OK;
-}
-
-#endif
-
-SZ_RESULT SzFileSeekImp(void *object, CFileSize pos)
-{
- CFileInStream *s = (CFileInStream *)object;
-
- #ifdef USE_WINDOWS_FUNCTIONS
- {
- LARGE_INTEGER value;
- value.LowPart = (DWORD)pos;
- value.HighPart = (LONG)(pos >> 32);
- value.LowPart = SetFilePointer(s->File, value.LowPart, &value.HighPart, FILE_BEGIN);
- if (value.LowPart == 0xFFFFFFFF)
- if(GetLastError() != NO_ERROR)
- return SZE_FAIL;
- return SZ_OK;
- }
- #else
- int res = fseek(s->File, (long)pos, SEEK_SET);
- if (res == 0)
- return SZ_OK;
- return SZE_FAIL;
- #endif
-}
-
-void PrintError(char *sz)
-{
- printf("\nERROR: %s\n", sz);
-}
-
-int main(int numargs, char *args[])
-{
- CFileInStream archiveStream;
- CArchiveDatabaseEx db;
- SZ_RESULT res;
- ISzAlloc allocImp;
- ISzAlloc allocTempImp;
-
- printf("\n7z ANSI-C Decoder 4.44 Copyright (c) 1999-2006 Igor Pavlov 2006-08-27\n");
- if (numargs == 1)
- {
- printf(
- "\nUsage: 7zDec <command> <archive_name>\n\n"
- "<Commands>\n"
- " e: Extract files from archive\n"
- " l: List contents of archive\n"
- " t: Test integrity of archive\n");
- return 0;
- }
- if (numargs < 3)
- {
- PrintError("incorrect command");
- return 1;
- }
-
- archiveStream.File =
- #ifdef USE_WINDOWS_FUNCTIONS
- CreateFile(args[2], GENERIC_READ, FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
- if (archiveStream.File == INVALID_HANDLE_VALUE)
- #else
- archiveStream.File = fopen(args[2], "rb");
- if (archiveStream.File == 0)
- #endif
- {
- PrintError("can not open input file");
- return 1;
- }
-
- archiveStream.InStream.Read = SzFileReadImp;
- archiveStream.InStream.Seek = SzFileSeekImp;
-
- allocImp.Alloc = SzAlloc;
- allocImp.Free = SzFree;
-
- allocTempImp.Alloc = SzAllocTemp;
- allocTempImp.Free = SzFreeTemp;
-
- InitCrcTable();
- SzArDbExInit(&db);
- res = SzArchiveOpen(&archiveStream.InStream, &db, &allocImp, &allocTempImp);
- if (res == SZ_OK)
- {
- char *command = args[1];
- int listCommand = 0;
- int testCommand = 0;
- int extractCommand = 0;
- if (strcmp(command, "l") == 0)
- listCommand = 1;
- if (strcmp(command, "t") == 0)
- testCommand = 1;
- else if (strcmp(command, "e") == 0)
- extractCommand = 1;
-
- if (listCommand)
- {
- UInt32 i;
- for (i = 0; i < db.Database.NumFiles; i++)
- {
- CFileItem *f = db.Database.Files + i;
- char s[32];
- ConvertNumberToString(f->Size, s);
- printf("%10s %s\n", s, f->Name);
- }
- }
- else if (testCommand || extractCommand)
- {
- UInt32 i;
-
- /*
- if you need cache, use these 3 variables.
- if you use external function, you can make these variable as static.
- */
- UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
- Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
- size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
-
- printf("\n");
- for (i = 0; i < db.Database.NumFiles; i++)
- {
- size_t offset;
- size_t outSizeProcessed;
- CFileItem *f = db.Database.Files + i;
- if (f->IsDirectory)
- printf("Directory ");
- else
- printf(testCommand ?
- "Testing ":
- "Extracting");
- printf(" %s", f->Name);
- if (f->IsDirectory)
- {
- printf("\n");
- continue;
- }
- res = SzExtract(&archiveStream.InStream, &db, i,
- &blockIndex, &outBuffer, &outBufferSize,
- &offset, &outSizeProcessed,
- &allocImp, &allocTempImp);
- if (res != SZ_OK)
- break;
- if (!testCommand)
- {
- MY_FILE_HANDLE outputHandle;
- UInt32 processedSize;
- char *fileName = f->Name;
- size_t nameLen = strlen(f->Name);
- for (; nameLen > 0; nameLen--)
- if (f->Name[nameLen - 1] == '/')
- {
- fileName = f->Name + nameLen;
- break;
- }
-
- outputHandle =
- #ifdef USE_WINDOWS_FUNCTIONS
- CreateFile(fileName, GENERIC_WRITE, FILE_SHARE_READ,
- NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
- if (outputHandle == INVALID_HANDLE_VALUE)
- #else
- fopen(fileName, "wb+");
- if (outputHandle == 0)
- #endif
- {
- PrintError("can not open output file");
- res = SZE_FAIL;
- break;
- }
- processedSize = MyWriteFile(outputHandle, outBuffer + offset, outSizeProcessed);
- if (processedSize != outSizeProcessed)
- {
- PrintError("can not write output file");
- res = SZE_FAIL;
- break;
- }
- if (MyCloseFile(outputHandle))
- {
- PrintError("can not close output file");
- res = SZE_FAIL;
- break;
- }
- }
- printf("\n");
- }
- allocImp.Free(outBuffer);
- }
- else
- {
- PrintError("incorrect command");
- res = SZE_FAIL;
- }
- }
- SzArDbExFree(&db, allocImp.Free);
-
- MyCloseFile(archiveStream.File);
- if (res == SZ_OK)
- {
- printf("\nEverything is Ok\n");
- return 0;
- }
- if (res == SZE_OUTOFMEMORY)
- PrintError("can not allocate memory");
- else
- printf("\nERROR #%d\n", res);
- return 1;
-}
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