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Bug #642445 [PATCH] Segfault when tip_of_the_day.list is empty

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@20303 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Geert Janssens 2011-02-16 11:46:01 +00:00
parent 8650eec61c
commit d7073fb148
1 changed files with 35 additions and 3 deletions
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38
src/gnome-utils/dialog-totd.c
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@ -80,7 +80,7 @@ gnc_new_tip_number (GtkWidget *widget,
gint offset)
{
GtkWidget *textview;
gchar **tip_components, **tip_args;
gchar **tip_components;
gchar *tip;
ENTER("widget %p, offset %d", widget, offset);
@ -92,10 +92,31 @@ gnc_new_tip_number (GtkWidget *widget,
current_tip_number = 0;
gnc_gconf_set_int(GCONF_SECTION, KEY_CURRENT_TIP, current_tip_number, NULL);
/* A tip consists of a translatable string, which might contain a %s
* placeholder, optionally followed by a | and a (non-translated)
* string to put in the placeholder. For example:
*
* Welcome to GnuCash version %s|2.4
*/
tip_components = g_strsplit(tip_list[current_tip_number], "|", 0);
tip_args = &tip_components[1];
/* If the tip is empty, g_strisplit will return an empty list. This
* shouldn't normally happen, but make sure we don't crash just in
* case */
if (tip_components[0] == NULL)
{
tip = g_strdup("");
}
else
{
/* Use printf to do the substitution. Note that if there is no |
* in the tip, tip_components[1] will be the terminating NULL,
* so this will never cause an out-of-bounds array access.
*/
tip = g_strdup_printf( _(tip_components[0]), tip_components[1]);
}
textview = gnc_glade_lookup_widget(widget, "tip_textview");
tip = g_strdup_printf( _(tip_components[0]), tip_components[1]);
g_strfreev(tip_components);
gtk_text_buffer_set_text(gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview)),
tip, -1);
@ -207,6 +228,17 @@ gnc_totd_initialize (void)
g_free(contents);
g_free(filename);
/* Don't continue when no tips were found, to prevent
* gnc_new_tip_number doesn't handle that case (it would try to
* display the terminating NULL). There's nothing to show
* anyway...*/
if (tip_count == 0)
{
PWARN("No tips found - Tips of the day window won't be displayed.");
return FALSE;
}
return TRUE;
}