Port to Xcode 4.6.3: newer versions of Xcode fail.

[uikittools.git] / uiduid.mm

diff --git a/uiduid.mm b/uiduid.mm
index ab3bf2766e86a53529473ddef92e47cd4caa02f3..338f84fbad6bf103b544b2a08dac31ff6654bd6f 100644 (file)
--- a/uiduid.mm
+++ b/uiduid.mm
@@ -41,10 +41,22 @@
 #import <UIKit/UIDevice.h>
 #include <stdio.h>
 
+#include <dlfcn.h>
+
+@interface UIDevice (Apple)
+- (NSString *) uniqueIdentifier;
+@end
+
 int main(int argc, char *argv[]) {
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
-    printf("%s\n", [[[UIDevice currentDevice] uniqueIdentifier] UTF8String]);
+    NSString *udid;
+    if (kCFCoreFoundationVersionNumber < 800)
+        udid = [[UIDevice currentDevice] uniqueIdentifier];
+    else
+        udid = [reinterpret_cast<NSString *(*)(NSString *)>(dlsym(dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY), "MGCopyAnswer"))(@"UniqueDeviceID") autorelease];
+
+    printf("%s\n", [udid UTF8String]);
 
     [pool release];
     return 0;