зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
3.9 KiB
C++
121 строка
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All 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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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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) != 0)
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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) == 0)
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return DONE;
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if (unlink(doomedFile) != 0)
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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) != 0)
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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(1);
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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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