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extensions-tool: Fix removing from settings list

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When removing a string from a settings list, we iterate over all
existing entries and copy all strings except the one that's being
removed to a new list, which is then written to GSettings.

However we currently always increment the index, so we end up with
a NULL entry in place of the removed entry, which is then interpreted
as the end of the list. In other words, we also remove all entries
that follow the removed string.

Fix this by looping over the list entries instead of the index, and
only increment the index for entries we copy.

https://gitlab.gnome.org/GNOME/gnome-shell/issues/1946
This commit is contained in:
Florian Müllner 2019-11-25 01:49:04 +01:00
parent 5a287a4205
commit bb48205aae
1 changed files with 3 additions and 2 deletions
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5
src/extensions-tool/main.c
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@ -142,9 +142,10 @@ settings_list_remove (GSettings *settings,
n_values = g_strv_length (list);
new_value = g_new0 (char *, n_values);
for (i = 0, s = (const char **)list; i < n_values; i++, s++)
i = 0;
for (s = (const char **)list; *s != NULL; s++)
if (!g_str_equal (*s, value))
new_value[i] = g_strdup (*s);
new_value[i++] = g_strdup (*s);
g_settings_set_strv (settings, key, (const char **)new_value);
g_settings_sync ();