зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
3.6 KiB
C++
123 строки
3.6 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Don Bragg <dbragg@netscape.com>
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* IBM Corp.
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*/
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#include "InstallCleanup.h"
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#include "InstallCleanupDefines.h"
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#define INCL_DOSERRORS
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#define INCL_DOS
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#include <os2.h>
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#include <string.h>
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#include <sys/stat.h>
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//----------------------------------------------------------------------------
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// Native OS/2 file deletion function
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//----------------------------------------------------------------------------
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int NativeDeleteFile(const char* aFileToDelete)
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{
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struct stat st;
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if (stat(aFileToDelete, &st) != 0)
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{
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return DONE;// No file to delete, do nothing.
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}
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else
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{
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if(DosDelete(aFileToDelete) != NO_ERROR)
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return TRY_LATER;
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}
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return DONE;
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}
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//----------------------------------------------------------------------------
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// Native OS/2 file replacement function
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//----------------------------------------------------------------------------
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int NativeReplaceFile(const char* replacementFile, const char* doomedFile )
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{
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// replacement file must exist, doomed file doesn't have to
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struct stat st;
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if (stat(replacementFile, &st) != 0)
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return DONE;
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// don't have to do anything if the files are the same
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if (stricmp(replacementFile, doomedFile) == 0)
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return DONE;
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if (DosDelete(doomedFile) != NO_ERROR)
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{
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if (stat(doomedFile, &st) == 0)
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return TRY_LATER;
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}
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// doomedFile is gone move new file into place
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if (DosMove(replacementFile, doomedFile) != NO_ERROR)
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return TRY_LATER; // this shouldn't happen
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return DONE;
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}
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int main(int argc, char *argv[], char *envp[])
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{
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HREG reg;
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BOOL foundSpecialFile = FALSE;
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struct stat st;
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int status = DONE;
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if ( REGERR_OK == NR_StartupRegistry())
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{
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char regFilePath[CCHMAXPATH];
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strcpy(regFilePath, argv[0]);
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char* lastSlash = strrchr(regFilePath, '\\');
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lastSlash++;
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*lastSlash = 0;//strip of the executable name
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strcat(regFilePath, CLEANUP_REGISTRY); //append reg file name
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if (stat(regFilePath, &st) != 0)
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strcpy(regFilePath, ""); // an empty reg file tells RegOpen to get the "default"
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else
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foundSpecialFile = TRUE;
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if ( REGERR_OK == NR_RegOpen(regFilePath, ®) )
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{
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int numAttempts = 0;
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do
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{
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status = PerformScheduledTasks(reg);
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if (status != DONE) {
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DosSleep(1000); // Sleep for 1 second
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numAttempts++;
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}
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} while ((status == TRY_LATER) && numAttempts <= 5);
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NR_RegClose(®);
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}
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NR_ShutdownRegistry();
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if (status == DONE) {
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DosDelete(regFilePath);
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}
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}
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return(0);
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}
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