mDNSMacOSX/utilities/bundle_utilities.m

   1 /*
   2 * Copyright (c) 2019 Apple Inc. All rights reserved.
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 *     http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #if !defined(__i386__)
  18 #include "bundle_utilities.h"
  19
  20 #import <CoreServices/CoreServicesPriv.h>
  21 #import <CoreUtils/SoftLinking.h>
  22
  23 SOFT_LINK_FRAMEWORK_EX(Frameworks, CoreServices);
  24 SOFT_LINK_CLASS_EX(CoreServices, LSBundleRecord);
  25 #define LSBundleRecordSoft getLSBundleRecordClass()
  26
  27 SOFT_LINK_FRAMEWORK_EX(Frameworks, Foundation);
  28 SOFT_LINK_CLASS_EX(Foundation, NSString);
  29 #define NSStringSoft getNSStringClass()
  30
  31 bool bundle_sdk_is_ios14_or_later(void)
  32 {
  33 #if TARGET_OS_OSX
  34         #define MIN_SDK_VERSION "10.16"
  35 #elif TARGET_OS_WATCH
  36         #define MIN_SDK_VERSION "7.0"
  37 #else
  38         #define MIN_SDK_VERSION "14.0"
  39 #endif
  40         BOOL result = NO;
  41
  42         if (LSBundleRecordSoft && NSStringSoft) {
  43                 @autoreleasepool {
  44                         id rec = [LSBundleRecordSoft bundleRecordForCurrentProcess];
  45                         if (rec) {
  46                                 NSString * min_vers = [NSStringSoft stringWithUTF8String:MIN_SDK_VERSION];
  47                                 NSComparisonResult compare_result = [[rec SDKVersion] compare:min_vers options:NSNumericSearch];
  48                                 result = ((compare_result == NSOrderedSame) || (compare_result == NSOrderedDescending));
  49                         }
  50                 }
  51         }
  52
  53         return (result != NO);
  54 }
  55 #endif