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settings: refactor nm_settings_connection_read_and_fill_timestamp()

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Coverity complains about not checking the return value:

  src/settings/nm-settings-connection.c:2329: check_return: Calling "g_key_file_load_from_file" without checking return value (as is done elsewhere 6 out of 7 times).

While at it, refactor the code and check whether the timestamp
is valid.

(cherry picked from commit 238efbbb12)
This commit is contained in:
Thomas Haller 2017-06-02 20:15:31 +02:00
parent cd8f3cf09f
commit fb9411ff76
1 changed files with 21 additions and 19 deletions
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40
src/settings/nm-settings-connection.c
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@ -2316,33 +2316,35 @@ void
nm_settings_connection_read_and_fill_timestamp (NMSettingsConnection *self)
{
NMSettingsConnectionPrivate *priv = NM_SETTINGS_CONNECTION_GET_PRIVATE (self);
gs_unref_keyfile GKeyFile *timestamps_file = NULL;
gs_free_error GError *error = NULL;
gs_free char *tmp_str = NULL;
const char *connection_uuid;
guint64 timestamp = 0;
GKeyFile *timestamps_file;
GError *err = NULL;
char *tmp_str;
gint64 timestamp;
g_return_if_fail (NM_IS_SETTINGS_CONNECTION (self));
/* Get timestamp from database file */
timestamps_file = g_key_file_new ();
g_key_file_load_from_file (timestamps_file, SETTINGS_TIMESTAMPS_FILE, G_KEY_FILE_KEEP_COMMENTS, NULL);
connection_uuid = nm_settings_connection_get_uuid (self);
tmp_str = g_key_file_get_value (timestamps_file, "timestamps", connection_uuid, &err);
if (tmp_str) {
timestamp = g_ascii_strtoull (tmp_str, NULL, 10);
g_free (tmp_str);
if (!g_key_file_load_from_file (timestamps_file, SETTINGS_TIMESTAMPS_FILE, G_KEY_FILE_KEEP_COMMENTS, &error)) {
_LOGD ("failed to read connection timestamp: %s", error->message);
return;
}
/* Update connection's timestamp */
if (!err) {
priv->timestamp = timestamp;
priv->timestamp_set = TRUE;
} else {
_LOGD ("failed to read connection timestamp: %s", err->message);
g_clear_error (&err);
connection_uuid = nm_settings_connection_get_uuid (self);
tmp_str = g_key_file_get_value (timestamps_file, "timestamps", connection_uuid, &error);
if (!tmp_str) {
_LOGD ("failed to read connection timestamp: %s", error->message);
return;
}
g_key_file_free (timestamps_file);
timestamp = _nm_utils_ascii_str_to_int64 (tmp_str, 10, 0, G_MAXINT64, -1);
if (timestamp < 0) {
_LOGD ("failed to read connection timestamp: %s", "invalid number");
return;
}
priv->timestamp = timestamp;
priv->timestamp_set = TRUE;
}
/**