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g_variant_get_child_value: Add a precondition on length

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Ensure callers get a warning if they pass a bad length.

Split into a separate commit and changed to order index before
n_children by Colin Walters <walters@verbum.org>
This commit is contained in:
Giovanni Campagna 2011-05-27 16:03:04 -04:00 committed by Colin Walters
parent e61fa51fd5
commit 39ba9c8e49
1 changed files with 2 additions and 0 deletions
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glib/gvariant-core.c
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@ -848,6 +848,8 @@ GVariant *
g_variant_get_child_value (GVariant *value, g_variant_get_child_value (GVariant *value,
gsize index_) gsize index_)
{ {
g_return_val_if_fail (index_ < g_variant_n_children (value), NULL);
if (~g_atomic_int_get (&value->state) & STATE_SERIALISED) if (~g_atomic_int_get (&value->state) & STATE_SERIALISED)
{ {
g_variant_lock (value); g_variant_lock (value);