Create an empty package iterator when we don't know about the given file.
This is an easy way to stop segfaults when trying to destroy iterators for
unknown files.
1.1 --- a/librazor/iterator.c Mon Jun 23 20:48:48 2008 -0400
1.2 +++ b/librazor/iterator.c Mon Jun 23 21:20:16 2008 -0400
1.3 @@ -36,6 +36,13 @@
1.4 return pi;
1.5 }
1.6
1.7 +static struct razor_package_iterator *
1.8 +razor_package_iterator_create_empty(struct razor_set *set)
1.9 +{
1.10 + struct razor_package_iterator *pi;
1.11 + return zalloc(sizeof *pi);
1.12 +}
1.13 +
1.14 RAZOR_EXPORT struct razor_package_iterator *
1.15 razor_package_iterator_create(struct razor_set *set)
1.16 {
1.17 @@ -78,7 +85,7 @@
1.18
1.19 entry = razor_set_find_entry(set, set->files.data, filename);
1.20 if (entry == NULL)
1.21 - return NULL;
1.22 + return razor_package_iterator_create_empty(set);
1.23
1.24 index = list_first(&entry->packages, &set->package_pool);
1.25 return razor_package_iterator_create_with_index(set, index);