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authorYang Tse <yangsita@gmail.com>2008-05-07 15:41:41 +0000
committerYang Tse <yangsita@gmail.com>2008-05-07 15:41:41 +0000
commiteb68aa38e3a79ee76967261aeb8c4364223f87d9 (patch)
treeba72918f0b3d5195e0a26b59de053eed5ef7db08 /lib/splay.h
parent082237e2b5c3b530c1597036eb6e337a1a815da7 (diff)
Christopher Palow provided the patch (edited by me) that introduces
the use of microsecond resolution keys for internal splay trees. http://curl.haxx.se/mail/lib-2008-04/0513.html
Diffstat (limited to 'lib/splay.h')
-rw-r--r--lib/splay.h24
1 files changed, 18 insertions, 6 deletions
diff --git a/lib/splay.h b/lib/splay.h
index 6e9191a63..4e6a8c16d 100644
--- a/lib/splay.h
+++ b/lib/splay.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1997 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1997 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -27,24 +27,36 @@ struct Curl_tree {
struct Curl_tree *smaller; /* smaller node */
struct Curl_tree *larger; /* larger node */
struct Curl_tree *same; /* points to a node with identical key */
- int key; /* the "sort" key */
+ struct timeval key; /* this node's "sort" key */
void *payload; /* data the splay code doesn't care about */
};
-struct Curl_tree *Curl_splay(int i, struct Curl_tree *t);
-struct Curl_tree *Curl_splayinsert(int key, struct Curl_tree *t,
+struct Curl_tree *Curl_splay(struct timeval i,
+ struct Curl_tree *t);
+
+struct Curl_tree *Curl_splayinsert(struct timeval key,
+ struct Curl_tree *t,
struct Curl_tree *newnode);
+
#if 0
-struct Curl_tree *Curl_splayremove(int key, struct Curl_tree *t,
+struct Curl_tree *Curl_splayremove(struct timeval key,
+ struct Curl_tree *t,
struct Curl_tree **removed);
#endif
-struct Curl_tree *Curl_splaygetbest(int key, struct Curl_tree *t,
+struct Curl_tree *Curl_splaygetbest(struct timeval key,
+ struct Curl_tree *t,
struct Curl_tree **removed);
+
int Curl_splayremovebyaddr(struct Curl_tree *t,
struct Curl_tree *removenode,
struct Curl_tree **newroot);
+#define Curl_splaycomparekeys(i,j) ( ((i.tv_sec) < (j.tv_sec)) ? -1 : \
+ ( ((i.tv_sec) > (j.tv_sec)) ? 1 : \
+ ( ((i.tv_usec) < (j.tv_usec)) ? -1 : \
+ ( ((i.tv_usec) > (j.tv_usec)) ? 1 : 0 ))))
+
#ifdef CURLDEBUG
void Curl_splayprint(struct Curl_tree * t, int d, char output);
#else