SystemConfiguration.fproj/SCPRemove.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2004, 2011, 2016 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  28  * - public API conversion
  29  *
  30  * November 9, 2000             Allan Nathanson <ajn@apple.com>
  31  * - initial revision
  32  */
  33
  34 #include "SCPreferencesInternal.h"
  35
  36 Boolean
  37 SCPreferencesRemoveAllValues(SCPreferencesRef prefs)
  38 {
  39         SCPreferencesPrivateRef prefsPrivate    = (SCPreferencesPrivateRef)prefs;
  40
  41         if (prefs == NULL) {
  42                 /* sorry, you must provide a session */
  43                 _SCErrorSet(kSCStatusNoPrefsSession);
  44                 return FALSE;
  45         }
  46
  47         __SCPreferencesAccess(prefs);
  48
  49         CFDictionaryRemoveAllValues(prefsPrivate->prefs);
  50         prefsPrivate->changed  = TRUE;
  51         return TRUE;
  52 }
  53
  54
  55 Boolean
  56 SCPreferencesRemoveValue(SCPreferencesRef prefs, CFStringRef key)
  57 {
  58         SCPreferencesPrivateRef prefsPrivate    = (SCPreferencesPrivateRef)prefs;
  59
  60         if (prefs == NULL) {
  61                 /* sorry, you must provide a session */
  62                 _SCErrorSet(kSCStatusNoPrefsSession);
  63                 return FALSE;
  64         }
  65
  66         __SCPreferencesAccess(prefs);
  67
  68         if (!CFDictionaryContainsKey(prefsPrivate->prefs, key)) {
  69                 _SCErrorSet(kSCStatusNoKey);
  70                 return FALSE;
  71         }
  72
  73         CFDictionaryRemoveValue(prefsPrivate->prefs, key);
  74         prefsPrivate->changed  = TRUE;
  75         return TRUE;
  76 }