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552 lines
18 KiB
552 lines
18 KiB
/**************************************************************************************\
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* Chksum.c
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* Purpose: Print to stdout checksum of all files in current directory, and optionally
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* recurse from current directory.
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*
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* Created 02-15-95. DonBr
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*
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\**************************************************************************************/
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <search.h>
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#include <errno.h>
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#include <string.h>
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#include <io.h>
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#include <imagehlp.h>
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#include <direct.h>
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#include <ctype.h>
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// type definitions
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#define exename "chksum"
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#define MAX_EXCLUDE (30)
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#define LISTSIZE 12000 // max allowable number of files and dirs in a flat directory
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typedef struct List {
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char Name[MAX_PATH]; // file or directory name
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unsigned long Attributes;
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unsigned long Size;
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} List, *pList;
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// Function prototypes
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VOID CheckRel();
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VOID CheckSum(List *rgpList, TCHAR *x); //, TCHAR *szDirectory);
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int __cdecl CompFileAndDir( const void *elem1 , const void *elem2);
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int __cdecl CompName( const void *elem1 , const void *elem2);
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int MyGetFullPathName( IN const CHAR *InPath, IN OUT CHAR *FullPath);
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VOID CreateOutputPath(char *CurrentDir, char *NewDir);
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VOID ParseArgs(int *pargc, char **argv);
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VOID Usage();
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// Variable declarations
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BOOL fRecurse = FALSE;
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BOOL fPathOverride = FALSE;
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BOOL fFileOut = FALSE;
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BOOL fExclude = FALSE;
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BOOL fFileIn = FALSE;
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int DirNum = 1,DirNameSize = 0, ProcessedFiles=0, endchar=0, ExclCounter=0;
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int grc=0; // global return code
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char szRootDir[MAX_PATH];
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char szRootDir2[MAX_PATH];
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char *szFileOut;
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char szFileOutFullPath[MAX_PATH];
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char *szExclude[MAX_EXCLUDE];
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char *szFileIn;
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CHAR szDirectory[MAX_PATH] = {"."}; // default to current directory
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FILE* fout;
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FILE* fin;
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// Begin main program
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VOID __cdecl
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main(
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INT argc,
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LPSTR argv[]
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)
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{
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TCHAR CWD[MAX_PATH];
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HANDLE logfh;
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ParseArgs(&argc, argv);
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// Create File if fFileOut==TRUE
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if (fFileOut) {
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fout = fopen(szFileOut, "w");
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if (fout == NULL) {
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fprintf(stderr, "Output file %s could not be created.\n", szFileOut);
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exit(1);
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}
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}
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/*
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// Open File if fFileIn==TRUE
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if (fFileIn) {
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fin = fopen(szFileIn, "r"); // open check file
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if (fin == NULL) {
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fprintf(stderr, "Check file %s could not be opened.\n", szFileIn);
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exit(1);
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}
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}
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*/
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// set root path
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if (fPathOverride) {
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// attempt to change directories
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if (_chdir(szRootDir) == -1){
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fprintf(stderr, "Path not found: %s\n", szRootDir);
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Usage();
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}
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}else{
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GetCurrentDirectory(MAX_PATH, szRootDir);
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}
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fprintf(fout==NULL? stdout : fout , "Processing %s\n", szRootDir);
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CheckRel(); // primary worker routine
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fprintf(stdout, "%d files processed in %d directories\n", ProcessedFiles, DirNum);
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if (fFileOut) {
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fclose(fout);
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}
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exit(grc);
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}
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/**************************************************************************************\
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* Checkrel
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* Purpose: Create an array of List structures containing file data for the current
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* directory, sort the array alphabetically placing Files first and
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* directories last, and finally process the array contents. Another instance
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* of checkrel is started for directories, and checksum is called for files.
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\**************************************************************************************/
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VOID CheckRel()
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{
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HANDLE fh;
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TCHAR CurrentDir[MAX_PATH] = {"\0"};
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TCHAR NewDir[MAX_PATH] = {"\0"};
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WIN32_FIND_DATA *pfdata;
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BOOL fFilesInDir=FALSE;
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BOOL fDirsFound=FALSE;
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int iArrayMember=0, cNumDir=0, i=0, Length=0;
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pList *rgpList = NULL; // a pointer to an array of pointers to List structures
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CHAR cFileNameFullPath[MAX_PATH];
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pfdata = (WIN32_FIND_DATA*)malloc(sizeof(WIN32_FIND_DATA));
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if (!pfdata) {
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fprintf(stderr, "Not enough memory.\n");
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grc++;
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return;
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}
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// Find the first file
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fh = FindFirstFile("*.*", pfdata);
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if (fh == INVALID_HANDLE_VALUE) {
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fprintf(fout==NULL? stdout : fout , "\t No files found\n");
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free(pfdata);
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grc++;
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return;
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}
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// Allocate an array of pointers to List structures
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rgpList = (pList *) malloc(LISTSIZE * sizeof(pList));
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if (!rgpList) {
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fprintf(stderr, "Not enough memory allocating rgpList[].\n");
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free(pfdata);
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FindClose(fh); // close the file handle
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grc++;
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return;
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}
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//
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// DoWhile loop to find all files and directories in current directory
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// and copy pertinent data to individual List structures.
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//
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do { // while (FindNextFile(fh, pfdata))
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if (strcmp(pfdata->cFileName, ".") && strcmp(pfdata->cFileName, "..")) { // skip . and ..
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//
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// If excluding files and current file matches any excluded file
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// (case insensitively), then don't process current file
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//
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if (fExclude) {
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for (i=0; i < ExclCounter; i++) {
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if (!_strcmpi(pfdata->cFileName, szExclude[i])) {
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goto excludefound;
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}
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}
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}
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//
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// If current file matches output file name, then don't process current file
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//
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if ((fFileOut) && (!strcmp(szFileOut, pfdata->cFileName)) ) {
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// File names match. If full paths match, ignore the output file.
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MyGetFullPathName(pfdata->cFileName, cFileNameFullPath);
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if ( !_strcmpi( szFileOutFullPath, cFileNameFullPath) ) {
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goto excludefound;
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}
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}
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rgpList[iArrayMember] = (pList)malloc(sizeof(List)); // allocate the memory
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if (!rgpList[iArrayMember]) {
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fputs("Not enough memory.\n", stderr);
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free(pfdata);
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FindClose(fh); // close the file handle
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for (i=0; i<iArrayMember; i++) free(rgpList[i]);
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free(rgpList);
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grc++;
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return;
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}
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strcpy(rgpList[iArrayMember]->Name, pfdata->cFileName);
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_strlwr(rgpList[iArrayMember]->Name); // all lowercase for strcmp in CompName
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memcpy(&(rgpList[iArrayMember]->Attributes), &pfdata->dwFileAttributes, 4);
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memcpy(&(rgpList[iArrayMember]->Size), &pfdata->nFileSizeLow, 4);
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if (!(rgpList[iArrayMember]->Attributes & FILE_ATTRIBUTE_DIRECTORY)) { //If file
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fFilesInDir=TRUE;
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} else {
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if (rgpList[iArrayMember]->Attributes & FILE_ATTRIBUTE_DIRECTORY) { //If directory
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fDirsFound=TRUE;
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}
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if (fRecurse) { // if recursive increment directory counter
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cNumDir++;
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}
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}
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iArrayMember++;
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if (iArrayMember >= LISTSIZE) {
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GetCurrentDirectory(MAX_PATH, CurrentDir);
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fprintf(stderr, "More than %d files in %s. \nRebuild chksum.exe or eliminate some files from the root of this directory.\n", LISTSIZE, CurrentDir);
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free(pfdata);
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FindClose(fh); // close the file handle
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for (i=0; i<iArrayMember; i++) free(rgpList[i]);
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free(rgpList);
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grc++;
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return;
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}
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excludefound: ;
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}
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} while (FindNextFile(fh, pfdata));
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if (pfdata) free(pfdata);
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if (fh) FindClose(fh); // close the file handle
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//
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// if no directories or files found with exception of . and ..
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//
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if ( (iArrayMember==0) || (!fFilesInDir) ){
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GetCurrentDirectory(MAX_PATH, CurrentDir);
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CreateOutputPath(CurrentDir, NewDir);
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// fprintf(fout==NULL? stdout : fout , "%s - No files\n", NewDir);
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}
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// Sort Array arranging FILE entries at top
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qsort( (void *)rgpList, iArrayMember, sizeof(List *), CompFileAndDir);
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// Sort Array alphabetizing only FILE names
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qsort( (void *)rgpList, iArrayMember-cNumDir, sizeof(List *), CompName);
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// Sort Array alphabetizing only DIRectory names
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qsort( (void *)&rgpList[iArrayMember-cNumDir], cNumDir, sizeof(List *), CompName);
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//
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// Process newly sorted structures.
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// Checksum files or start another instance of checkrel() for directories
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//
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for (i=0; i < iArrayMember; ++i) {
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if (rgpList[i]->Attributes & FILE_ATTRIBUTE_DIRECTORY) { // if Dir
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if (fRecurse) { // if recursive
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if (_chdir(rgpList[i]->Name) == -1){ // cd into subdir and check for error
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fprintf(stderr, "Unable to change directory: %s (error %d)\n", rgpList[i]->Name, GetLastError());
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grc++;
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} else {
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DirNum++; // directory counter
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CheckRel(); // start another iteration of checkrel function in new directory
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_chdir(".."); // get back to previous directory when above iteration returns
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} // end if _chdir
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} // end if recurse
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} else { // else if not Directory
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GetCurrentDirectory(MAX_PATH, CurrentDir);
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CreateOutputPath(CurrentDir, NewDir);
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CheckSum(rgpList[i], NewDir);
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}
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} // end for i < iArrayMember
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// Clean up the array and it's elements
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for (i=0; i<iArrayMember; i++) free(rgpList[i]);
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free(rgpList);
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} // end CheckRel
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/*************************************************************************************\
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* CheckSum
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* Purpose: uses MapFileAndCheckSum to determine file checksum and outputs data.
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\*************************************************************************************/
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VOID CheckSum(List *rgpList, TCHAR *x) {//TCHAR *szDirectory) {
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ULONG HeaderSum, CheckSum=0, status;
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if (rgpList->Size != 0) { //High != 0 || rgpList->nFileSizeLow != 0) {
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status = MapFileAndCheckSum(rgpList->Name, &HeaderSum, &CheckSum);
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if (status != CHECKSUM_SUCCESS) {
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fprintf(fout==NULL? stdout : fout , "\nCannot open or map file: %s (error %d)\n", rgpList->Name, GetLastError());
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grc++;
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return;
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}
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}
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fprintf(fout==NULL? stdout : fout , "%s\\%s %lx\n", x, rgpList->Name, CheckSum);//szDirectory, rgpList->Name, CheckSum);
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ProcessedFiles++;
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} //CheckSum
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/********************************************************************************************\
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* CompFileAndDir
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* Purpose: a comparision routine passed to QSort. It compares elem1 and elem2
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* based upon their attribute, i.e., is it a file or directory.
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\********************************************************************************************/
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int __cdecl
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CompFileAndDir( const void *elem1 , const void *elem2 )
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{
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pList p1, p2;
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// qsort passes a void universal pointer, use a typecast (List**)
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// so the compiler recognizes the data as a List structure.
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// Typecast pointer-to-pointer-to-List and dereference ONCE
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// leaving a pList. I don't dereference the remaining pointer
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// in the p1 and p2 definitions to avoid copying the structure.
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p1 = (*(List**)elem1);
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p2 = (*(List**)elem2);
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if ( (p1->Attributes & FILE_ATTRIBUTE_DIRECTORY) && (p2->Attributes & FILE_ATTRIBUTE_DIRECTORY)) {
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return 0;
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} //both dirs
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if (!(p1->Attributes & FILE_ATTRIBUTE_DIRECTORY) && !(p2->Attributes & FILE_ATTRIBUTE_DIRECTORY)) {
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return 0;
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} //both files
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if ( (p1->Attributes & FILE_ATTRIBUTE_DIRECTORY) && !(p2->Attributes & FILE_ATTRIBUTE_DIRECTORY)) {
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return 1;
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} // elem1 is dir and elem2 is file
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if (!(p1->Attributes & FILE_ATTRIBUTE_DIRECTORY) && (p2->Attributes & FILE_ATTRIBUTE_DIRECTORY)) {
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return -1;
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} // elem1 is file and elem2 is dir
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return 0; // if none of above
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}
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/********************************************************************************************\
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* CompName is another compare routine passed to QSort that compares the two Name strings *
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\********************************************************************************************/
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int __cdecl
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CompName( const void *elem1 , const void *elem2 )
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{
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return strcmp( (*(List**)elem1)->Name, (*(List**)elem2)->Name );
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}
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/**********************************************************************************************\
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* CreateOutputPath just formats NewDir, the path prepended to filename during checksum output *
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\**********************************************************************************************/
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VOID CreateOutputPath(char *CurrentDir, char *NewDir)
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{
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strcpy(NewDir, ".");
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// if rootdir ends in '\' and currentdir and szrootdir2 don't match
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// handles case where /p path override arg ends in a '\' char like "/p g:\"
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// files listed at the root don't need the extra '\' placed in NewDir, but
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// directories at the root DO need ".\" prepended to their name
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_strlwr(CurrentDir);
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//fprintf(stdout, "szrootdir: %s, szrootdir2: %s, currentdir: %s\n", szRootDir, szRootDir2, CurrentDir);
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if ( (szRootDir[strlen(szRootDir)-1] == '\\') && // if arg path ends in "\"
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(strcmp(CurrentDir, szRootDir2)) && // if they don't match
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(CurrentDir[strlen(CurrentDir)-1] != '\\') //&& // if currentdir doesn't end with "\"
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//(szRootDir2[strlen(szRootDir2)-1] != ':') ){ // if arg path ends with ":"
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){
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strcat(NewDir, "\\");
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}
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if ( (CurrentDir[strlen(CurrentDir)-2] !=':') && (CurrentDir[strlen(CurrentDir)-1] !='\\') ){
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strcat(NewDir, &CurrentDir[(strlen(szRootDir))] );
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}
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}
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VOID
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ParseArgs(int *pargc, char **argv) {
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CHAR cswitch, c, *p;
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int argnum = 1;
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while ( argnum < *pargc ) {
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_strlwr(argv[argnum]);
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cswitch = *argv[argnum];
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if (cswitch == '/' || cswitch == '-') {
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c = *(argv[argnum]+1);
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switch (c) {
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case '?':
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Usage();
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case 'r':
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fRecurse = TRUE;
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break;
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case 'p':
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if ( ((argnum+1) < *pargc) && (*(argv[argnum]+2) == '\0') && (*(argv[argnum+1]) != '\0') ) {
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++argnum; // increment to next arg string
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strcpy(szRootDir, argv[argnum]);
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if (szRootDir == NULL) {
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fprintf(stderr, "out of memory for root dir.\n");
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exit(1);
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}
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fPathOverride = TRUE;
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// Find the full path to the root
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if ( !MyGetFullPathName(argv[argnum], szRootDir) ) {
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fprintf(stderr, "Cannot get full path for root dir %s\n", szRootDir);
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exit(1);
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}
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_strlwr(szRootDir);
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strcpy(szRootDir2, szRootDir);
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// if path given ends in a "\", remove it...
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if (szRootDir2[strlen(szRootDir2)-1] == 92) szRootDir2[strlen(szRootDir2)-1] = '\0';
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break;
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} else {
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Usage();
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}
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case 'o':
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if ( ((argnum+1) < *pargc) && (*(argv[argnum]+2) == '\0') && (*(argv[argnum+1]) != '\0') ) {
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++argnum;
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szFileOut = _strdup(argv[argnum]);
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if (szFileOut == NULL) {
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fprintf(stderr, "Out of memory for output file.\n");
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exit(1);
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}
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fFileOut = TRUE;
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// Find the full path to the output file
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if ( !MyGetFullPathName(szFileOut, szFileOutFullPath) ) {
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fprintf(stderr, "Cannot get full path for output file %s\n", szFileOut);
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exit(1);
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}
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_strlwr(szFileOutFullPath); // lower case full path to output file
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_strlwr(szFileOut); // lower case path to output file
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break;
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} else {
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Usage();
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}
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case 'x': // check number of args given
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if ( ((argnum+1) < *pargc) && (*(argv[argnum]+2) == '\0') && (*(argv[argnum+1]) != '\0') ) {
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++argnum;
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szExclude[ExclCounter] = _strdup(argv[argnum]);
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if (szExclude[ExclCounter] == NULL) {
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fprintf(stderr, "Out of memory for exclude name.\n");
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exit(1);
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}
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fExclude = TRUE;
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_strlwr(szExclude[ExclCounter]);
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ExclCounter++;
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break;
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} else {
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Usage();
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}
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/*
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case 'i':
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if ( (*(argv[argnum]+2) == '\0') && (*(argv[argnum+1]) != '\0') ) {
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++argnum;
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szFileIn = strdup(argv[argnum]);
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if (szFileIn == NULL) {
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fprintf(stderr, "Out of memory for input file.\n");
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exit(1);
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}
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fFileIn = TRUE;
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break;
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} else {
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Usage();
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}
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*/
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default:
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fprintf(stderr, "\nInvalid argument: %s\n", argv[argnum]);
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Usage();
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} //switch
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} else {
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Usage();
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} // if
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++argnum;
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} // while
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} // parseargs
|
|
|
|
|
|
LPSTR pszUsage =
|
|
"Generates a listing of each file processed and its check sum.\n\n"
|
|
"Usage: %s [/?] display this message\n"
|
|
" [/r] recursive file check\n"
|
|
" [/p pathname] root path override\n"
|
|
" [/o filename] output file name\n"
|
|
" [/x name] exclude file or directory\n\n"
|
|
"Notes: If no /p path is given, the current directory is processed.\n"
|
|
" Exclude multiple files or directories with multiple /x arguments\n"
|
|
" e.g. - /x file1 /x file2\n\n"
|
|
"Example: %s /r /p c:\\winnt351 /o %s.chk /x symbols /x dump\n"
|
|
"";
|
|
|
|
VOID
|
|
Usage()
|
|
{
|
|
fprintf(stderr, pszUsage, exename, exename, exename);
|
|
exit(1);
|
|
}
|
|
|
|
int MyGetFullPathName( IN const CHAR *InPath, IN OUT CHAR *FullPath)
|
|
{
|
|
int len;
|
|
LPSTR FilePart;
|
|
len = GetFullPathName(InPath, MAX_PATH, FullPath, &FilePart);
|
|
return ( (len>0 && len<MAX_PATH) ? len : 0 );
|
|
}
|
|
|