pjs/xpinstall/cleanup/InstallCleanupOS2.cpp

95 строки
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Don Bragg <dbragg@netscape.com>
*/
#include "InstallCleanup.h"
//----------------------------------------------------------------------------
// Native OS/2 file deletion function
//----------------------------------------------------------------------------
int NativeDeleteFile(const char* aFileToDelete)
{
struct stat fileStack;
if (stat(aFileToDelete, &fileStack)!= 0)
{
return DONE;// No file to delete, do nothing.
}
else
{
if(remove(aFileToDelete)!= 0)
return TRY_LATER;
}
return DONE;
}
//----------------------------------------------------------------------------
// Native OS/2 file replacement function
//----------------------------------------------------------------------------
int NativeReplaceFile(const char* replacementFile, const char* doomedFile )
{
struct stat fileStack;
// replacement file must exist, doomed file doesn't have to
if (stat(replacementFile, &fileStack) != 0)
return DONE;
// don't have to do anything if the files are the same
if (strcmp(replacementFile, doomedFile))
return DONE;
if (stat(doomedFile,&fileStack) != 0)
{
// doomedFile is gone move new file into place
if (!rename(replacementFile, doomedFile))
return TRY_LATER; // this shouldn't happen
}
else
{
//remove failed
return TRY_LATER;
}
return DONE;
}
int main()
{
HREG reg;
int status = DONE;
if ( REGERR_OK == NR_StartupRegistry())
{
if ( REGERR_OK == NR_RegOpen("", &reg) )
{
do {
status = PerformScheduledTasks(reg);
if (status != DONE)
DosSleep(1000);
} while (status == TRY_LATER);
}
NR_ShutdownRegistry();
}
return(0);
}