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New routine to find a node on a list

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metal_list_find_node is used to ensure a node is not on a list before adding it
Signed-off-by: Tammy Leino <tammy_leino@mentor.com>
This commit is contained in:
Tammy Leino
2022-10-04 09:31:23 +02:00
committed by Arnaud Pouliquen
parent d077e286a4
commit c1c4e55992
1 changed files with 13 additions and 0 deletions
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lib/list.h
+13
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@@ -12,6 +12,7 @@
#ifndef __METAL_LIST__H__
#define __METAL_LIST__H__
#include <stdbool.h>
#include <stdlib.h>
#ifdef __cplusplus
@@ -96,6 +97,18 @@ static inline struct metal_list *metal_list_first(struct metal_list *list)
for ((node) = (list)->next; \
(node) != (list); \
(node) = (node)->next)
static inline bool metal_list_find_node(struct metal_list *list,
struct metal_list *node)
{
struct metal_list *n;
metal_list_for_each(list, n) {
if (n == node)
return true;
}
return false;
}
/** @} */
#ifdef __cplusplus