libsepol/cil: Add cil_list_is_empty macro
Add a macro, called cil_list_is_empty, that returns true if the list pointer or list head is NULL. Signed-off-by: James Carter <jwcart2@gmail.com> Reviewed-by: Daniel Burgener <dburgener@linux.microsoft.com> Acked-by: Petr Lautrbach <lautrbach@redhat.com>
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@ -44,6 +44,9 @@ struct cil_list_item {
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void *data;
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void *data;
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};
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};
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#define cil_list_is_empty(list) \
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((list) == NULL || (list)->head == NULL)
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#define cil_list_for_each(item, list) \
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#define cil_list_for_each(item, list) \
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for (item = (list)->head; item != NULL; item = item->next)
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for (item = (list)->head; item != NULL; item = item->next)
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