ui/cocoa: Do not rely on the first argument

The first argument of the executable was used to get its path, but it is
not reliable because the executer can specify any arbitrary string. Use the
interfaces provided by QEMU and the platform to get those paths.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210309122226.23117-2-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/ui/cocoa.m b/ui/cocoa.m
index e589534fa4..4753bb2f88 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -1398,20 +1398,21 @@ QemuCocoaView *cocoaView;
     [superView addSubview: picture_view];
 
     /* Make the name label */
-    x = 0;
-    y = y - 25;
-    int name_width = about_width, name_height = 20;
-    NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
-    NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
-    [name_label setEditable: NO];
-    [name_label setBezeled: NO];
-    [name_label setDrawsBackground: NO];
-    [name_label setAlignment: NSTextAlignmentCenter];
-    NSString *qemu_name = [[NSString alloc] initWithCString: gArgv[0]
-                                            encoding: NSASCIIStringEncoding];
-    qemu_name = [qemu_name lastPathComponent];
-    [name_label setStringValue: qemu_name];
-    [superView addSubview: name_label];
+    NSBundle *bundle = [NSBundle mainBundle];
+    if (bundle) {
+        x = 0;
+        y = y - 25;
+        int name_width = about_width, name_height = 20;
+        NSRect name_rect = NSMakeRect(x, y, name_width, name_height);
+        NSTextField *name_label = [[NSTextField alloc] initWithFrame: name_rect];
+        [name_label setEditable: NO];
+        [name_label setBezeled: NO];
+        [name_label setDrawsBackground: NO];
+        [name_label setAlignment: NSTextAlignmentCenter];
+        NSString *qemu_name = [[bundle executablePath] lastPathComponent];
+        [name_label setStringValue: qemu_name];
+        [superView addSubview: name_label];
+    }
 
     /* Set the version label's attributes */
     x = 0;