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PropertyCommand: check for null before calling printf

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On FreeBSD, this would crash in vasprintf_l, because you're not supposed
to printf(NULL, ...).
This commit is contained in:
Greg V 2019-01-09 13:08:58 +03:00
parent 3000334955
commit 0b62f6eefd
1 changed files with 12 additions and 4 deletions
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16
src/client/application/application-command.vala
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@ -193,10 +193,18 @@ public class Application.PropertyCommand<T> : Application.Command {
this.object.get(this.property_name, ref this.old_value);
this.undo_label = undo_label.printf(this.old_value);
this.redo_label = redo_label.printf(this.new_value);
this.executed_label = executed_label.printf(this.new_value);
this.undone_label = undone_label.printf(this.old_value);
if (undo_label != null) {
this.undo_label = undo_label.printf(this.old_value);
}
if (redo_label != null) {
this.redo_label = redo_label.printf(this.new_value);
}
if (executed_label != null) {
this.executed_label = executed_label.printf(this.new_value);
}
if (undone_label != null) {
this.undone_label = undone_label.printf(this.old_value);
}
}
public async override void execute(GLib.Cancellable? cancellable) {