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[list] Add list_for_each_entry_safe_continue()

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2024-02-13 16:26:34 +00:00
parent 88b291d647
commit e10dfe5dc7
2 changed files with 48 additions and 0 deletions
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16
src/include/ipxe/list.h
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@@ -489,6 +489,22 @@ extern void extern_list_splice_tail_init ( struct list_head *list,
&pos->member != (head); \
pos = list_entry ( pos->member.prev, typeof ( *pos ), member ) )
/**
* Iterate over subsequent entries in a list, safe against deletion
*
* @v pos Iterator
* @v tmp Temporary value (of same type as iterator)
* @v head List head
* @v member Name of list field within iterator's type
*/
#define list_for_each_entry_safe_continue( pos, tmp, head, member ) \
for ( list_check ( (head) ), \
pos = list_entry ( pos->member.next, typeof ( *pos ), member ), \
tmp = list_entry ( pos->member.next, typeof ( *tmp ), member ); \
&pos->member != (head); \
pos = tmp, \
tmp = list_entry ( tmp->member.next, typeof ( *tmp ), member ) )
/**
* Test if list contains a specified entry
*