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273 lines
8.7 KiB
273 lines
8.7 KiB
/*** RM.C - a generalized remove and unremove mechanism ***********************
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*
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* Copyright (c) 1987-1990, Microsoft Corporation. All rights reserved.
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*
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* Purpose:
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* The three tools EXP, RM and UNDEL are used to delete files so
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* that they can be undeleted. This is done my renaming the file into
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* a hidden directory called DELETED.
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*
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* Notes:
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* All deleted files are kept in the directory .\deleted with a unique name.
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* The names are then kept in .\deleted\index.
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* deleted name (RM_RECLEN bytes).
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* The rm command will rename to the appropriate directory and make an entry.
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* the undelete command will rename back if there is a single item otherwise
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* it will give a list of alternatives. The exp command will free all deleted
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* objects.
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*
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* Revision History:
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* 07-Feb-1990 bw Add 'void' to walk() definition
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* 08-Jan-1990 SB SLM version upgrading added; Add CopyRightYrs Macro
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* 03-Jan-1990 SB define QH_TOPIC_NOT_FOUND
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* 21-Dec-1989 SB Changes for new index file format
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* 20-Dec-1989 SB Add check for return code of 3 for qh
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* 14-Dec-1989 LN Update Copyright to include 1990
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* 23-Oct-1989 LN Version no bumped to 1.01
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* 12-Oct-1989 LN Changed Usage message
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* 02-Oct-1989 LN Changed Version no to 1.00
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* 08-Aug-1989 BW Add Version number and update copyright.
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* 15-May-1987 WB Add /help
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* 22-Apr-1987 DL Add /k
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* 06-Apr-1987 BW Add copyright notice to usage.
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* 30-Mar-1990 BW Get help on RM.EXE, not EXP.EXE
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* 17-Oct-1990 w-barry Temporarily replaced 'rename' with 'rename_NT' until
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* DosMove is completely implemented on NT.
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*
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******************************************************************************/
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/* I N C L U D E Files */
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#include <process.h>
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#include <string.h>
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/* Next two from ZTools */
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#include <stdio.h>
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#include <conio.h>
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#include <windows.h>
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#include <tools.h>
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/* D E F I N E s */
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#define CopyRightYrs "1987-90"
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/* Need 2 steps, first to get correct values in and 2nd to paste them */
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/* paste() is hacked to allow LEADING ZEROES */
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#define paste(a, b, c) #a ".0" #b ".00" #c
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#define VERSION(major, minor, buildno) paste(major, minor, buildno)
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#define QH_TOPIC_NOT_FOUND 3
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// BUGBUG 11-Sep-90 w-wilson Until console CRT is available in 32-bits
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//
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//#define cputs(s) fputs(s,stdout)
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//#define putch(c) putchar(c)
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//#define getch() getchar()
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//#define cprintf() printf()
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/* G L O B A L s */
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flagType fRecursive = FALSE; /* TRUE => descend tree */
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flagType fPrompt = FALSE; /* TRUE => query for removal */
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flagType fForce = FALSE; /* TRUE => no query for R/O files */
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flagType fKeepRO = FALSE; /* TRUE => keep R/O files */
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flagType fTakeOwnership = FALSE; /* TRUE => attempt takeown if fail */
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flagType fExpunge = FALSE; /* TRUE => expunge immediately */
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flagType fDelayUntilReboot = FALSE; /* TRUE => do delete next reboot */
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// Forward Function Declarations...
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void Usage( void );
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void walk( char *, struct findType *, void * );
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int _CRTAPI1 main( int, char ** );
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#if 0
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extern BOOL TakeOwnership( char *lpFileName );
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#endif /* 0 */
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void Usage()
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{
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printf(
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"Microsoft File Removal Utility. Version %s\n"
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"Copyright (C) Microsoft Corp %s. All rights reserved.\n\n"
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"Usage: RM [/help] [/ikft] [/x [/d]] [/r dir] files\n"
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" /help invoke Quick Help for this utility\n"
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" /i inquire of user for each file for permission to remove\n"
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" /k keep read only files, no prompting to remove them\n"
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" /r dir recurse into subdirectories\n"
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" /f force delete of read only files without prompting\n"
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" /t attempt to take ownership of file if delete fails\n"
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" /x dont save deleted files in deleted subdirectory\n"
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" /d delay until next reboot.\n",
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VERSION(rmj, rmm, rup), CopyRightYrs);
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exit(1);
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}
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void walk(p, b, dummy)
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char *p;
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struct findType *b;
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void * dummy;
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{
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char buf[MAX_PATH];
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int i, rc;
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if (strcmp(b->fbuf.cFileName, ".") && strcmp(b->fbuf.cFileName, "..") &&
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_strcmpi(b->fbuf.cFileName, "deleted")) {
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if (HASATTR(b->fbuf.dwFileAttributes,FILE_ATTRIBUTE_DIRECTORY)) {
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if (fRecursive) {
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switch (strend(p)[-1]) {
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case '/':
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case '\\':
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sprintf(buf, "%s*.*", p);
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break;
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default:
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sprintf(buf, "%s\\*.*", p);
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}
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forfile(buf, -1, walk, NULL);
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}
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}
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else if (fKeepRO && HASATTR(b->fbuf.dwFileAttributes, FILE_ATTRIBUTE_READONLY)) {
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printf("%s skipped\n", p);
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return;
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}
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else {
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if (fPrompt || (!fForce && HASATTR(b->fbuf.dwFileAttributes, FILE_ATTRIBUTE_READONLY))) {
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printf("%s? ", p);
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fflush(stdout);
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switch (_getch()) {
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case 'y':
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case 'Y':
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printf("Yes\n");
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break;
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case 'p':
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case 'P':
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printf("Proceeding without asking again\n");
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fPrompt = FALSE;
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break;
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default:
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printf(" skipped\n");
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return;
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}
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}
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fflush(stdout);
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if (HASATTR(b->fbuf.dwFileAttributes, FILE_ATTRIBUTE_READONLY))
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SetFileAttributes(p, b->fbuf.dwFileAttributes & ~FILE_ATTRIBUTE_READONLY);
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for (i=0; i<2; i++) {
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if (fExpunge) {
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if (fDelayUntilReboot) {
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if (MoveFileEx(p, NULL, MOVEFILE_DELAY_UNTIL_REBOOT)) {
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rc = 0;
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}
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else {
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rc = 1;
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}
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}
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else
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if (DeleteFile(p)) {
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rc = 0;
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}
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else {
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rc = 1;
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}
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}
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else {
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rc = fdelete(p);
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}
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#if 0
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if (rc == 0 || !fTakeOwnership) {
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break;
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}
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printf( "%s file not deleted - attempting to take ownership and try again.\n" );
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if (!TakeOwnership( p )) {
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printf( "%s file not deleted - unable to take ownership.\n" );
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rc = 0;
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break;
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}
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#else
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break;
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#endif /* 0 */
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}
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switch (rc) {
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case 0:
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break;
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case 1:
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printf("%s file does not exist\n" , p);
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break;
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case 2:
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printf("%s rename failed: %s\n", p, error());
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break;
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default:
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printf("%s internal error: %s\n", p, error());
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break;
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}
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}
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}
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dummy;
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}
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_CRTAPI1 main(c, v)
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int c;
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char *v[];
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{
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register char *p;
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int iRetCode;
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ConvertAppToOem( c, v );
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SHIFT(c,v);
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while (c && fSwitChr(*v[0])) {
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p = *v;
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while (*++p != '\0')
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switch (*p) {
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case 'f':
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fForce = TRUE;
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break;
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case 'i':
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fPrompt = TRUE;
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break;
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case 'k':
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fKeepRO = TRUE;
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break;
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case 'r':
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fRecursive = TRUE;
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break;
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case 't':
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fTakeOwnership = TRUE;
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break;
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case 'x':
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fExpunge = TRUE;
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break;
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case 'd':
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if (fExpunge) {
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fDelayUntilReboot = TRUE;
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break;
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}
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// Fall thru if /d without /x
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case 'h':
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if (!_strcmpi(p, "help")) {
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iRetCode = _spawnlp(P_WAIT, "qh.exe", "qh", "/u",
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"rm.exe", NULL);
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/* When qh returns QH_TOPIC_NOT_FOUND or when we
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* get -1 (returned when the spawn fails) then
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* give Usage() message
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*/
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if (iRetCode != QH_TOPIC_NOT_FOUND && iRetCode != -1)
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exit(0);
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}
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/*
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* else fall thru...
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*/
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default:
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Usage();
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}
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SHIFT(c,v);
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}
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while (c) {
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if (!forfile(*v, -1, walk, NULL)) {
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printf("%s does not exist\n", *v);
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}
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SHIFT(c,v);
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}
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return(0);
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}
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