SystemConfiguration.fproj/SCPList.c

   1 /*
   2  * Copyright(c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1(the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #include <SystemConfiguration/SCP.h>
  24 #include "SCPPrivate.h"
  25
  26 #include <SystemConfiguration/SCD.h>
  27
  28 #include <fcntl.h>
  29 #include <unistd.h>
  30 #include <sys/errno.h>
  31
  32
  33 static CFComparisonResult
  34 sort_keys(const void *p1, const void *p2, void *context) {
  35         CFStringRef key1 = (CFStringRef)p1;
  36         CFStringRef key2 = (CFStringRef)p2;
  37         return CFStringCompare(key1, key2, 0);
  38 }
  39
  40
  41 SCPStatus
  42 SCPList(SCPSessionRef session, CFArrayRef *keys)
  43 {
  44         SCPSessionPrivateRef    sessionPrivate;
  45         CFIndex                 prefsCnt;
  46         void                    **prefsKeys;
  47         CFArrayRef              allKeys;
  48         CFMutableArrayRef       sortedKeys;
  49
  50         if (session == NULL) {
  51                 return SCP_FAILED;           /* you can't do anything with a closed session */
  52         }
  53         sessionPrivate = (SCPSessionPrivateRef)session;
  54
  55         prefsCnt  = CFDictionaryGetCount(sessionPrivate->prefs);
  56         prefsKeys = CFAllocatorAllocate(NULL, prefsCnt * sizeof(CFStringRef), 0);
  57         CFDictionaryGetKeysAndValues(sessionPrivate->prefs, prefsKeys, NULL);
  58         allKeys = CFArrayCreate(NULL, prefsKeys, prefsCnt, &kCFTypeArrayCallBacks);
  59         CFAllocatorDeallocate(NULL, prefsKeys);
  60
  61         sortedKeys = CFArrayCreateMutableCopy(NULL, prefsCnt, allKeys);
  62         CFRelease(allKeys);
  63         CFArraySortValues(sortedKeys,
  64                           CFRangeMake(0, prefsCnt),
  65                           sort_keys,
  66                           NULL);
  67
  68         *keys = sortedKeys;
  69         return SCP_OK;
  70 }