зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
3.0 KiB
C++
107 строки
3.0 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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*/
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#include "InstallCleanup.h"
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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//----------------------------------------------------------------------------
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// Native Unix 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 fileStack;
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if (stat(aFileToDelete, &fileStack) != 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(!unlink(aFileToDelete))
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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 Unix 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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struct stat fileStack;
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// replacement file must exist, doomed file doesn't have to
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if (stat(replacementFile, &fileStack) != 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 (strcmp(replacementFile, doomedFile))
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return DONE;
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if (!unlink(doomedFile))
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{
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if (stat(doomedFile, &fileStack) == 0)
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return TRY_LATER;
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}
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else
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{
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// doomedFile is gone move new file into place
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if (!rename(replacementFile, doomedFile))
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return TRY_LATER; // this shouldn't happen
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}
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return DONE;
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}
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int main(int argc,char* argv[])
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{
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HREG reg;
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int status = DONE;
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struct stat fileStack;
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if ( REGERR_OK == NR_StartupRegistry())
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{
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char regFilePath[256];
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strcpy(regFilePath, argv[0]);
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strcat(regFilePath, ".dat");
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if ( stat(regFilePath, &fileStack) != 0)
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regFilePath[0] = '\0';
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if ( REGERR_OK == NR_RegOpen(regFilePath, ®) )
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{
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do {
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status = PerformScheduledTasks(reg);
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if (status != DONE)
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sleep(15000);
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} while (status == TRY_LATER);
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NR_RegClose(®);
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}
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NR_ShutdownRegistry();
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unlink(regFilePath);
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}
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return(0);
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}
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