600 lines
18 KiB
C
600 lines
18 KiB
C
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/*
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** main.c - Main module for DOS command-line LZA file compression / expansion
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** programs.
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**
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** Author: DavidDi
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**
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** This module is compiled twice - once for COMPRESS (COMPRESS defined) and
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** once for EXPAND (COMPRESS not defined).
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*/
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// Headers
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///////////
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#include <malloc.h>
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#include <stdio.h>
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#include <string.h>
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#include "lz_common.h"
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#include "lz_buffers.h"
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#include "lz_header.h"
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#include "args.h"
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#include "main.h"
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#include "messages.h"
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//
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// diamond routines
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//
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#include "mydiam.h"
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// Globals
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///////////
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CHAR ARG_PTR *pszInFileName, // input file name
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*pszOutFileName, // output file name
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*pszTargetName; // target path name
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TCHAR ErrorMsg[2048];
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BOOL bContainsMultipleFiles; // Is source file a multi-file CAB?
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INT nLocalFiles, nTotalFiles = 0; // number of files listed/expanded
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// Module Variables
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////////////////////
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#ifndef COMPRESS
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static BOOL bCopyingFile; // Is current file being copied or expanded?
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#endif
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// Local Prototypes
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////////////////////
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static VOID DisplayErrorMessage(INT fError);
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static VOID MakeDestFileName(CHAR ARG_PTR *argv[], CHAR ARG_PTR *pszDest);
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static BOOL GetCanonicalName(LPSTR lpszFileName, LPSTR lpszCanonicalBuf);
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static BOOL ActuallyTheSameFile(CHAR ARG_PTR *pszFile1,
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CHAR ARG_PTR *pszFile2);
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static BOOL ProcessNotification(CHAR ARG_PTR *pszSource,
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CHAR ARG_PTR *pszDest, WORD wNotification);
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/*
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** static void DisplayErrorMessage(int fError);
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**
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** Display error message for given error condition.
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**
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** Arguments: LZERROR_ code
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**
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** Returns: void
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**
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** Globals: none
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*/
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static VOID DisplayErrorMessage(INT fError)
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{
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switch(fError)
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{
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case LZERROR_BADINHANDLE:
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LoadString(NULL, SID_NO_OPEN_INPUT, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszInFileName);
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break;
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case LZERROR_BADOUTHANDLE:
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LoadString(NULL, SID_NO_OPEN_OUTPUT, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszOutFileName);
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break;
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case LZERROR_READ:
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LoadString(NULL, SID_FORMAT_ERROR, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszInFileName);
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break;
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case LZERROR_WRITE:
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LoadString(NULL, SID_OUT_OF_SPACE, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszOutFileName);
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break;
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case LZERROR_UNKNOWNALG:
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LoadString(NULL, SID_UNKNOWN_ALG, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszInFileName);
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break;
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case BLANK_ERROR:
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break;
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default:
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LoadString(NULL, SID_GEN_FAILURE, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszInFileName, pszOutFileName);
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break;
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}
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}
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/*
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** static void MakeDestFileName(char ARG_PTR *argv[], char ARG_PTR *pszDest);
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**
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** Create the appropriate destination file name.
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**
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** Arguments: argv - like argument to main()
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** pszDest - pointer to destination file name buffer to be filled
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** in
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**
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** Returns: void
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**
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** Globals: none
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*/
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static VOID MakeDestFileName(CHAR ARG_PTR *argv[], CHAR ARG_PTR *pszDest)
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{
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CHAR ARG_PTR *pszDestFile;
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if (nNumFileSpecs == 2 && bTargetIsDir == FALSE && bDoRename == FALSE)
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// Compress a single input file to a single output file. N.b., we must
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// be careful to eat up the output file name command-line argument so
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// it doesn't get processed like another input file!
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STRCPY(pszDest, argv[GetNextFileArg(argv)]);
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else if (bTargetIsDir == TRUE)
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{
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// Prepend output file name with destination directory path name.
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STRCPY(pszDest, pszTargetName);
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// Isolate source file name from source file specification.
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pszDestFile = ExtractFileName(pszInFileName);
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// Add destination file name to destination directory path
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// specification.
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MakePathName(pszDest, pszDestFile);
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}
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else
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// Destination file name same as source file name. N.b., this is an
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// error condition if (bDoRename == FALSE).
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STRCPY(pszDest, pszInFileName);
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}
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/*
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** static BOOL GetCanonicalName(LPSTR lpszFileName, LPSTR lpszCanonicalBuf);
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**
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** Gets the canonical name for a given file specification.
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**
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** Arguments: pszFileName - file specification
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** szCanonicalBuf - buffer to be filled with canonical name
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**
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** Returns: TRUE if successful. FALSE if unsuccessful.
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**
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** N.b., szCanonicalBuf must be at least 128 bytes long. The contents of
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** szCanonicalBuf are only defined if the funstion returns TRUE.
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**
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*/
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static BOOL GetCanonicalName(LPSTR lpszFileName, LPSTR lpszCanonicalBuf)
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{
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BOOL bRetVal = FALSE;
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LPSTR lpszLastComp;
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return((BOOL) GetFullPathName(lpszFileName, MAX_PATH, lpszCanonicalBuf, &lpszLastComp));
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}
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/*
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** static BOOL ActuallyTheSameFile(char ARG_PTR *pszFile1,
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** char ARG_PTR *pszFile2);
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**
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** Checks to see if two file specifications point to the same physical file.
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**
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** Arguments: pszFile1 - first file specification
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** pszFile2 - second file specification
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**
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** Returns: BOOL - TRUE if the file specifications point to the same
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** physical file. FALSE if not.
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**
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** Globals: none
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*/
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static BOOL ActuallyTheSameFile(CHAR ARG_PTR *pszFile1,
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CHAR ARG_PTR *pszFile2)
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{
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CHAR szCanonicalName1[MAX_PATH],
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szCanonicalName2[MAX_PATH];
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if (GetCanonicalName(pszFile1, szCanonicalName1) &&
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GetCanonicalName(pszFile2, szCanonicalName2))
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{
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if (! lstrcmpiA(szCanonicalName1, szCanonicalName2))
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return(TRUE);
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}
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return(FALSE);
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}
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/*
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** static BOOL ProcessNotification(char ARG_PTR *pszSource,
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** char ARG_PTR *pszDest,
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** WORD wNotification);
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**
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** Callback function during file processing.
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**
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** Arguments: pszSource - source file name
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** pszDest - destination file name
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** wNotification - process type query
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**
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** Returns: BOOL - (wNotification == NOTIFY_START_*):
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** TRUE if the source file should be "processed" into
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** the destination file. FALSE if not.
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** else
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** TRUE.
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**
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** Globals: none
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*/
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static BOOL ProcessNotification(CHAR ARG_PTR *pszSource,
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CHAR ARG_PTR *pszDest, WORD wNotification)
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{
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switch(wNotification)
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{
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case NOTIFY_START_EXPAND:
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case NOTIFY_START_COPY:
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{
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// If we're listing files, display the name then tell caller to skip.
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if (bDoListFiles == TRUE)
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{
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PSTR p;
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//
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// Display just the base name from the target. The prefix of the
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// target path is garbage (the source path.)
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//
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if(p = StringRevChar(pszDest,'\\')) {
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p++;
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} else {
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p = pszDest;
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}
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LoadString(NULL, SID_LISTING, ErrorMsg, 2048);
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszSource, p);
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nLocalFiles++; // count files listed
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nTotalFiles++; // count files listed
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return(FALSE); // always skip file
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}
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// Fail if the source and destination files are identical.
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if (ActuallyTheSameFile(pszSource, pszDest))
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{
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LoadString(NULL, SID_COLLISION, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszSource);
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return(FALSE);
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}
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nLocalFiles++; // count files expanded
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nTotalFiles++; // count files expanded
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// Display start message.
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if (wNotification == NOTIFY_START_EXPAND) {
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LoadString(NULL, SID_EXPANDING, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszSource, pszDest);
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}
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else // NOTIFY_START_COPY
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{
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bCopyingFile = TRUE;
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LoadString(NULL, SID_COPYING, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg, pszSource, pszDest);
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}
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break;
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}
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default:
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break;
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}
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return(TRUE);
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}
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/*
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** int main(int argc, char *argv[]);
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**
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** Run command-line file compression program.
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**
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** Arguments: figure it out
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**
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** Returns: int - EXIT_SUCCESS if compression finished successfully,
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** EXIT_FAILURE if not.
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**
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** Globals: none
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*/
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INT __cdecl main(INT argc, CHAR *argv[])
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{
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INT iSourceFileName,
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fError,
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nReturnCode = EXIT_SUCCESS;
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CHAR ARG_PTR pszDestFileName[MAX_PATH];
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LONG cblTotInSize = 0L,
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cblTotOutSize = 0L;
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PLZINFO pLZI;
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BOOL fIsDiamondFile;
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CHAR ARG_PTR *pszFilesSpec;
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BOOL fReportStats = TRUE; // cleared if any multi-file CABs or listing
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USHORT wLanguageId = LANGIDFROMLCID(GetThreadLocale());
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if ((LANG_JAPANESE == PRIMARYLANGID(wLanguageId)) ||
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(LANG_KOREAN == PRIMARYLANGID(wLanguageId)) ||
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(LANG_CHINESE == PRIMARYLANGID(wLanguageId)))
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{
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//
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// This used to be #ifdef DBCS. Now a runtime check.
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//
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DWORD dw = GetConsoleOutputCP();
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// WARNING: in product 1.1 we need to uncomment the SetConsole above
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// LoadString will return Ansi and printf will just pass it on
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// This will let cmd interpret the characters it gets.
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// SetConsoleOutputCP(GetACP());
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switch (dw) {
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case 932:
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case 936:
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case 949:
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case 950:
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SetThreadLocale(MAKELCID(
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MAKELANGID(
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PRIMARYLANGID(GetSystemDefaultLangID()),
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SUBLANG_ENGLISH_US),
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SORT_DEFAULT));
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break;
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default:
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SetThreadLocale(MAKELCID(
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MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
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SORT_DEFAULT));
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break;
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}
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}
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// Display sign-on banner.
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LoadString(NULL, SID_BANNER_TEXT, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
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printf(ErrorMsg);
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// Parse command-line arguments.
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if (ParseArguments(argc, argv) != TRUE)
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return(EXIT_FAILURE);
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// Set up global target path name.
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pszTargetName = argv[iTarget];
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if (bDisplayHelp == TRUE)
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{
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// User asked for help.
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LoadString(NULL, SID_INSTRUCTIONS, ErrorMsg, 2048);
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// WARNING: Cannot call CharToOemW with src=dest
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CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg);
|
||
|
|
return(EXIT_SUCCESS);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for command line problems.
|
||
|
|
if (CheckArguments() == FALSE)
|
||
|
|
return(EXIT_FAILURE);
|
||
|
|
|
||
|
|
// Set up ring buffer and I/O buffers.
|
||
|
|
pLZI = InitGlobalBuffersEx();
|
||
|
|
if (!pLZI || !InitDiamond())
|
||
|
|
{
|
||
|
|
LoadString(NULL, SID_INSUFF_MEM, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg);
|
||
|
|
return(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Process each source file.
|
||
|
|
while ((iSourceFileName = GetNextFileArg(argv)) != FAIL)
|
||
|
|
{
|
||
|
|
nLocalFiles = 0;
|
||
|
|
pLZI->cblOutSize = 0;
|
||
|
|
|
||
|
|
// Set up global input file name.
|
||
|
|
pszInFileName = CharLowerA(argv[iSourceFileName]);
|
||
|
|
|
||
|
|
// Set up global output file name.
|
||
|
|
MakeDestFileName(argv, pszDestFileName);
|
||
|
|
pszOutFileName = CharLowerA(pszDestFileName);
|
||
|
|
|
||
|
|
// Assume current file will be expanded. The ProcessNotification()
|
||
|
|
// callback will change this module global to TRUE if the file is being
|
||
|
|
// copied instead of expanded.
|
||
|
|
bCopyingFile = FALSE;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Determine whether the file was compressed with diamond.
|
||
|
|
// If so, we need to expand it specially.
|
||
|
|
//
|
||
|
|
fIsDiamondFile = IsDiamondFile(pszInFileName, &bContainsMultipleFiles);
|
||
|
|
if (fIsDiamondFile) {
|
||
|
|
|
||
|
|
if (bContainsMultipleFiles) {
|
||
|
|
|
||
|
|
if (nNumFileSpecs == 1 && (bDoListFiles == FALSE)) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// The source file is a multi-file CAB, and is the only file
|
||
|
|
// on the command line. We'll require an explicit filespec
|
||
|
|
// which names the file(s) desired from within the CAB.
|
||
|
|
// The Files specification may contain wildcards.
|
||
|
|
//
|
||
|
|
// If the user included multiple source files on the command
|
||
|
|
// line, we'll assume they're expecting a lot of output, and
|
||
|
|
// we'll default to all files. It would be pointless to put
|
||
|
|
// up a message anyway, since the screen will be scrolling.
|
||
|
|
//
|
||
|
|
|
||
|
|
if (pszSelectiveFilesSpec == NULL) {
|
||
|
|
|
||
|
|
LoadString(NULL, SID_FILESPEC_REQUIRED, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg);
|
||
|
|
continue; // skip this (the only) source file
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!bTargetIsDir && (bDoListFiles == FALSE)) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// The source file is a multi-file CAB, and the target is
|
||
|
|
// a single file. Now this just isn't going to work. We'll
|
||
|
|
// display this warning, and hope the user notices it. If
|
||
|
|
// a multiple sources were specified, they're going to get
|
||
|
|
// a mess anyway. We just won't contribute to it.
|
||
|
|
//
|
||
|
|
|
||
|
|
LoadString(NULL, SID_DEST_REQUIRED, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, pszInFileName);
|
||
|
|
continue; // skip this source file
|
||
|
|
}
|
||
|
|
|
||
|
|
pszFilesSpec = pszSelectiveFilesSpec;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Don't try to interpret final stats if multi-file CABs are seen.
|
||
|
|
// (Because of selective extract and other issues, you'll get silly
|
||
|
|
// reports like "20000000 bytes expanded to 16320 bytes".)
|
||
|
|
//
|
||
|
|
|
||
|
|
fReportStats = FALSE;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Legacy: no selective expand from single-file CABs
|
||
|
|
//
|
||
|
|
|
||
|
|
pszFilesSpec = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make sure renaming is ON if this is a multi-file CAB.
|
||
|
|
//
|
||
|
|
|
||
|
|
fError = ExpandDiamondFile(ProcessNotification,pszInFileName,
|
||
|
|
pszOutFileName,(bDoRename || bContainsMultipleFiles),
|
||
|
|
pszFilesSpec,pLZI);
|
||
|
|
} else {
|
||
|
|
fError = Expand(ProcessNotification, pszInFileName,
|
||
|
|
pszOutFileName, bDoRename, pLZI);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fError != TRUE) {
|
||
|
|
// Deal with returned error codes.
|
||
|
|
DisplayErrorMessage(nReturnCode = fError);
|
||
|
|
|
||
|
|
} else if (bContainsMultipleFiles) {
|
||
|
|
|
||
|
|
if (nLocalFiles == 0) {
|
||
|
|
|
||
|
|
LoadString(NULL, SID_NO_MATCHES, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, pszInFileName, pszSelectiveFilesSpec);
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if (pLZI && pLZI->cblInSize && pLZI->cblOutSize) {
|
||
|
|
|
||
|
|
// Keep track of cumulative statistics.
|
||
|
|
cblTotInSize += pLZI->cblInSize;
|
||
|
|
cblTotOutSize += pLZI->cblOutSize;
|
||
|
|
|
||
|
|
if (bCopyingFile) {
|
||
|
|
LoadString(NULL, SID_COPY_REPORT, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, pszInFileName, pLZI->cblInSize);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
|
||
|
|
LoadString(NULL, SID_FILE_REPORT, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, pszInFileName, pLZI->cblInSize, pLZI->cblOutSize,
|
||
|
|
(INT)(((100 * (LONGLONG) pLZI->cblOutSize) / pLZI->cblInSize) - 100));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Separate individual file processing message blocks by a blank line.
|
||
|
|
printf("\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free memory used by ring buffer and I/O buffers.
|
||
|
|
FreeGlobalBuffers(pLZI);
|
||
|
|
|
||
|
|
TermDiamond();
|
||
|
|
|
||
|
|
if (!fReportStats || bDoListFiles) {
|
||
|
|
|
||
|
|
if (nTotalFiles > 1) {
|
||
|
|
|
||
|
|
LoadString(NULL, SID_TOTAL_COUNT, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, nTotalFiles);
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// Display cumulative report for multiple files.
|
||
|
|
if ((nTotalFiles > 1) && (cblTotInSize != 0)) {
|
||
|
|
|
||
|
|
// Scale results to get accurate %
|
||
|
|
LONG cblAdjInSize = cblTotInSize,
|
||
|
|
cblAdjOutSize = cblTotOutSize;
|
||
|
|
while (cblAdjInSize > 100000) {
|
||
|
|
cblAdjInSize /= 2;
|
||
|
|
cblAdjOutSize /= 2;
|
||
|
|
}
|
||
|
|
cblAdjOutSize += (cblAdjInSize / 200); // round off (+0.5%)
|
||
|
|
if (cblAdjOutSize < 0) {
|
||
|
|
cblAdjOutSize = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
LoadString(NULL, SID_TOTAL_REPORT, ErrorMsg, 2048);
|
||
|
|
// WARNING: Cannot call CharToOemW with src=dest
|
||
|
|
CharToOem(ErrorMsg, ErrorMsg);
|
||
|
|
printf(ErrorMsg, nTotalFiles, cblTotInSize, cblTotOutSize,
|
||
|
|
(INT)(100 * cblAdjOutSize / cblAdjInSize - 100));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return(nReturnCode);
|
||
|
|
}
|
||
|
|
|