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gtk_text_buffer_create_tag(): returns NULL on failure

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Returns NULL in case of a duplicated tag name in the tag table. It is
still a programmer error to duplicate a name, but if it happens the
behavior is a little nicer (and hopefully doesn't crash).

https://bugzilla.gnome.org/show_bug.cgi?id=614717
This commit is contained in:
Sébastien Wilmet 2013-04-04 13:30:42 +02:00
parent 68ad33cb89
commit 1e3af04dd9
1 changed files with 5 additions and 1 deletions
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6
gtk/gtktextbuffer.c
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@ -2493,7 +2493,11 @@ gtk_text_buffer_create_tag (GtkTextBuffer *buffer,
tag = gtk_text_tag_new (tag_name);
gtk_text_tag_table_add (get_table (buffer), tag);
if (!gtk_text_tag_table_add (get_table (buffer), tag))
{
g_object_unref (tag);
return NULL;
}
if (first_property_name)
{