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gdbusmessage: Get message headers keys as arrays

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We eventually need to return them as an array anyways.
Sadly we can't just reuse such memory because each element is a pointer and
not a guchar, but still we can be cheaper in various operations.
This commit is contained in:
Marco Trevisan (Treviño) 2022-12-08 03:33:07 +01:00
parent 1e699edf0e
commit 0e56d2f5db
1 changed files with 17 additions and 14 deletions
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31
gio/gdbusmessage.c
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@ -1094,24 +1094,27 @@ g_dbus_message_set_header (GDBusMessage *message,
guchar *
g_dbus_message_get_header_fields (GDBusMessage *message)
{
GList *keys;
guchar *ret;
guint num_keys;
GList *l;
guint n;
GPtrArray *keys;
GArray *array;
g_return_val_if_fail (G_IS_DBUS_MESSAGE (message), NULL);
keys = g_hash_table_get_keys (message->headers);
num_keys = g_list_length (keys);
ret = g_new (guchar, num_keys + 1);
for (l = keys, n = 0; l != NULL; l = l->next, n++)
ret[n] = GPOINTER_TO_UINT (l->data);
g_assert (n == num_keys);
ret[n] = G_DBUS_MESSAGE_HEADER_FIELD_INVALID;
g_list_free (keys);
keys = g_hash_table_get_keys_as_ptr_array (message->headers);
array = g_array_sized_new (FALSE, FALSE, sizeof (guchar), keys->len + 1);
return ret;
for (guint i = 0; i < keys->len; ++i)
{
guchar val = GPOINTER_TO_UINT (g_ptr_array_index (keys, i));
g_array_append_val (array, val);
}
g_assert (array->len == keys->len);
g_clear_pointer (&keys, g_ptr_array_unref);
guchar invalid_field = G_DBUS_MESSAGE_HEADER_FIELD_INVALID;
g_array_append_val (array, invalid_field);
return (guchar *) g_array_free (array, FALSE);
}
/* ---------------------------------------------------------------------------------------------------- */