uefi-ref/nasm
1
0
Fork 0
mirror of https://github.com/netwide-assembler/nasm synced 2026-08-26 16:23:04 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

rbtree: add rb_search_exact()

Browse source 
Sometimes we want to search for an exact key only, and reject the case
when tree->key < key. Add rb_search_exact() for this purpose, rather
than forcing the caller to perform the comparison in open code.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin (Intel) 2020-07-08 09:48:43 -07:00
parent 50184c26c7
commit e450e06084
2 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/rbtree.h
View file

@ -72,6 +72,11 @@ struct rbtree *rb_insert(struct rbtree *, struct rbtree *);
*/
struct rbtree *rb_search(const struct rbtree *, uint64_t);
/*
* Find a node in the tree exactly matching the key value.
*/
struct rbtree *rb_search_exact(const struct rbtree *, uint64_t);
/*
* Return the immediately previous or next node in key order.
* Returns NULL if this node is the end of the tree.