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girepository: avoids segfault in case of bad gtype

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If a <GType invalid> (that's the way it appears in python's debugger) is
returned, `g_type_name` returns NULL. This
function therefore returns NULL at this time
as subsequent calls to `strlen( data->gtype_name)` segfault.
This commit is contained in:
Lukas Oberhuber 2022-01-11 23:01:08 +00:00 committed by Philip Chimento
parent 3d999b47e5
commit 6583ad7f4f
1 changed files with 3 additions and 1 deletions
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4
girepository.c
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@ -806,12 +806,14 @@ find_by_gtype (GHashTable *table, FindByGTypeData *data, gboolean check_prefix)
*/ */
GIBaseInfo * GIBaseInfo *
g_irepository_find_by_gtype (GIRepository *repository, g_irepository_find_by_gtype (GIRepository *repository,
GType gtype) GType gtype)
{ {
FindByGTypeData data; FindByGTypeData data;
GIBaseInfo *cached; GIBaseInfo *cached;
DirEntry *entry; DirEntry *entry;
g_return_val_if_fail (gtype != G_TYPE_INVALID, NULL);
repository = get_repository (repository); repository = get_repository (repository);
cached = g_hash_table_lookup (repository->priv->info_by_gtype, cached = g_hash_table_lookup (repository->priv->info_by_gtype,