1 /*
   2  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <Cocoa/Cocoa.h>
  27 #include <dlfcn.h>
  28 #include <unistd.h>
  29 
  30 typedef bool (*start_launcher)(int argc, char* argv[]);
  31 typedef void (*stop_launcher)();
  32 
  33 int main(int argc, char *argv[]) {
  34 #if !__has_feature(objc_arc)
  35     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  36 #endif
  37 
  38     int result = 1;
  39 
  40     @try {
  41         setlocale(LC_ALL, "en_US.utf8");
  42 
  43         NSBundle *mainBundle = [NSBundle mainBundle];
  44         NSString *mainBundlePath = [mainBundle bundlePath];
  45         NSString *libraryName = [mainBundlePath stringByAppendingPathComponent:@"Contents/MacOS/libapplauncher.dylib"];
  46 
  47         void* library = dlopen([libraryName UTF8String], RTLD_LAZY);
  48 
  49         if (library == NULL) {
  50             NSLog(@"%@ not found.\n", libraryName);
  51         }
  52 
  53         if (library != NULL) {
  54             start_launcher start =
  55                     (start_launcher)dlsym(library, "start_launcher");
  56             stop_launcher stop =
  57                     (stop_launcher)dlsym(library, "stop_launcher");
  58 
  59             if (start != NULL && stop != NULL) {
  60                 if (start(argc, argv) == true) {
  61                     result = 0;
  62                     stop();
  63                 }
  64             } else if (start == NULL) {
  65                 NSLog(@"start_launcher not found in %@.\n", libraryName);
  66             } else {
  67                 NSLog(@"stop_launcher not found in %@.\n", libraryName);
  68             }
  69             dlclose(library);
  70         }
  71     } @catch (NSException *exception) {
  72         NSLog(@"%@: %@", exception, [exception callStackSymbols]);
  73         result = 1;
  74     }
  75 
  76 #if !__has_feature(objc_arc)
  77     [pool drain];
  78 #endif
  79 
  80     return result;
  81 }