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[RFC,2/9] libsepol/cil: Add cil_list_is_empty macro

Message ID 20221215213429.998948-3-jwcart2@gmail.com (mailing list archive)
State Superseded
Delegated to: Petr Lautrbach
Headers show
Series Add CIL Deny Rule | expand

Commit Message

James Carter Dec. 15, 2022, 9:34 p.m. UTC 
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>
---
 libsepol/cil/src/cil_list.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/libsepol/cil/src/cil_list.h b/libsepol/cil/src/cil_list.h
index 6b4708a0..f974fddc 100644
--- a/libsepol/cil/src/cil_list.h
+++ b/libsepol/cil/src/cil_list.h
@@ -44,6 +44,9 @@  struct cil_list_item {
 	void *data;
 };
 
+#define cil_list_is_empty(list) \
+	((list) == NULL || (list)->head == NULL)
+
 #define cil_list_for_each(item, list) \
 	for (item = (list)->head; item != NULL; item = item->next)