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From: James Carter <jwcart2@gmail.com>
To: selinux@vger.kernel.org
Cc: dburgener@linux.microsoft.com, James Carter <jwcart2@gmail.com>
Subject: [PATCH 2/9 v3] libsepol/cil: Add cil_list_is_empty macro
Date: Thu, 13 Apr 2023 15:34:38 -0400	[thread overview]
Message-ID: <20230413193445.588395-3-jwcart2@gmail.com> (raw)
In-Reply-To: <20230413193445.588395-1-jwcart2@gmail.com>

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(+)

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)
 
-- 
2.39.2


  parent reply	other threads:[~2023-04-13 19:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-13 19:34 [PATCH 0/9 v3] Add CIL Deny Rule James Carter
2023-04-13 19:34 ` [PATCH 1/9 v3] libsepol/cil: Parse and add deny rule to AST, but do not process James Carter
2023-04-13 19:34 ` James Carter [this message]
2023-04-13 19:34 ` [PATCH 3/9 v3] libsepol/cil: Add cil_tree_node_remove function James Carter
2023-04-13 19:34 ` [PATCH 4/9 v3] libsepol/cil: Process deny rules James Carter
2023-04-13 19:34 ` [PATCH 5/9 v3] libsepol/cil: Add cil_write_post_ast function James Carter
2023-04-13 19:34 ` [PATCH 6/9 v3] libsepol: Export the " James Carter
2023-04-13 19:34 ` [PATCH 7/9 v3] secilc/secil2tree: Add option to write CIL AST after post processing James Carter
2023-04-13 19:34 ` [PATCH 8/9 v3] secilc/test: Add deny rule tests James Carter
2023-04-13 19:34 ` [PATCH 9/9 v3] secilc/docs: Add deny rule to CIL documentation James Carter
2023-07-26 15:55   ` Daniel Burgener
2023-07-26 15:56 ` [PATCH 0/9 v3] Add CIL Deny Rule Daniel Burgener

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