зеркало из https://github.com/mozilla/pjs.git
141 строка
4.4 KiB
C++
141 строка
4.4 KiB
C++
/*
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* The contents of this file are subject to the Mozilla 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/MPL/
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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 Navigator.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corp. Portions created by Netscape Communications Corp. are
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* Copyright (C) 1998, 1999, 2000, 2001 Netscape Communications Corp. 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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int PerformScheduledTasks(HREG reg)
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{
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int deleteComplete = DONE;
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int replaceComplete = DONE;
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deleteComplete = DeleteScheduledFiles( reg );
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replaceComplete = ReplaceScheduledFiles( reg );
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if ((deleteComplete == DONE) && (replaceComplete == DONE))
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return DONE;
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else
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return TRY_LATER;
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}
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//----------------------------------------------------------------------------
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// ReplaceScheduledFiles
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//----------------------------------------------------------------------------
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int ReplaceScheduledFiles( HREG reg )
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{
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RKEY key;
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int rv = DONE;
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/* replace files if any listed */
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if (REGERR_OK == NR_RegGetKey(reg,ROOTKEY_PRIVATE,REG_REPLACE_LIST_KEY,&key))
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{
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char keyname[MAXREGNAMELEN];
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char doomedFile[MAXREGPATHLEN];
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char srcFile[MAXREGPATHLEN];
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uint32 bufsize;
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REGENUM state = 0;
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while (REGERR_OK == NR_RegEnumSubkeys( reg, key, &state,
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keyname, sizeof(keyname), REGENUM_CHILDREN))
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{
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bufsize = sizeof(srcFile);
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REGERR err1 = NR_RegGetEntry( reg, (RKEY)state,
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REG_REPLACE_SRCFILE, &srcFile, &bufsize);
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bufsize = sizeof(doomedFile);
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REGERR err2 = NR_RegGetEntry( reg, (RKEY)state,
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REG_REPLACE_DESTFILE, &doomedFile, &bufsize);
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if ( err1 == REGERR_OK && err2 == REGERR_OK )
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{
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int result = NativeReplaceFile( srcFile, doomedFile );
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if (result == DONE)
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{
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// This one is done
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NR_RegDeleteKey( reg, key, keyname );
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}
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}
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}
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/* delete list node if empty */
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state = 0;
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if (REGERR_NOMORE == NR_RegEnumSubkeys( reg, key, &state, keyname,
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sizeof(keyname), REGENUM_CHILDREN ))
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{
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NR_RegDeleteKey(reg, ROOTKEY_PRIVATE, REG_REPLACE_LIST_KEY);
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rv = DONE;
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}
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else
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{
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rv = TRY_LATER;
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}
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}
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return rv;
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}
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//----------------------------------------------------------------------------
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// DeleteScheduledFiles
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//----------------------------------------------------------------------------
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int DeleteScheduledFiles( HREG reg )
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{
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REGERR err;
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RKEY key;
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REGENUM state = 0;
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int rv = DONE;
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/* perform scheduled file deletions */
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if (REGERR_OK == NR_RegGetKey(reg,ROOTKEY_PRIVATE,REG_DELETE_LIST_KEY,&key))
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{
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// the delete key exists, so we loop through its children
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// and try to delete all the listed files
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char namebuf[MAXREGNAMELEN];
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char valbuf[MAXREGPATHLEN];
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while (REGERR_OK == NR_RegEnumEntries( reg, key, &state, namebuf,
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sizeof(namebuf), 0 ) )
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{
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uint32 bufsize = sizeof(valbuf); // gets changed, must reset
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err = NR_RegGetEntry( reg, key, namebuf, valbuf, &bufsize );
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if ( err == REGERR_OK )
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{
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rv = NativeDeleteFile(valbuf);
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if (rv == DONE)
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NR_RegDeleteEntry( reg, key, namebuf);
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}
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}
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/* delete list node if empty */
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state = 0;
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err = NR_RegEnumEntries(reg, key, &state, namebuf, sizeof(namebuf), 0);
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if ( err == REGERR_NOMORE )
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{
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NR_RegDeleteKey(reg, ROOTKEY_PRIVATE, REG_DELETE_LIST_KEY);
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rv = DONE;
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}
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else
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{
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rv = TRY_LATER;
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}
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}
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return rv;
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}
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