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authorYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
committerYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
commit5b6e7927c6891d93edc16695ae786dc686274bab (patch)
tree8b9da426b7152f617522cfa153e541ec26ff6961 /lib/splay.c
parent13606bbfdeaa3bac193e1f39a05a9c9b5f15d1b5 (diff)
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build: rename 93 lib/*.c files
93 lib/*.c source files renamed to use our standard naming scheme. This commit only does the file renaming. ---------------------------------------- renamed: lib/amigaos.c -> lib/curl_amigaos.c renamed: lib/asyn-ares.c -> lib/curl_asyn_ares.c renamed: lib/asyn-thread.c -> lib/curl_asyn_thread.c renamed: lib/axtls.c -> lib/curl_axtls.c renamed: lib/base64.c -> lib/curl_base64.c renamed: lib/bundles.c -> lib/curl_bundles.c renamed: lib/conncache.c -> lib/curl_conncache.c renamed: lib/connect.c -> lib/curl_connect.c renamed: lib/content_encoding.c -> lib/curl_content_encoding.c renamed: lib/cookie.c -> lib/curl_cookie.c renamed: lib/cyassl.c -> lib/curl_cyassl.c renamed: lib/dict.c -> lib/curl_dict.c renamed: lib/easy.c -> lib/curl_easy.c renamed: lib/escape.c -> lib/curl_escape.c renamed: lib/file.c -> lib/curl_file.c renamed: lib/fileinfo.c -> lib/curl_fileinfo.c renamed: lib/formdata.c -> lib/curl_formdata.c renamed: lib/ftp.c -> lib/curl_ftp.c renamed: lib/ftplistparser.c -> lib/curl_ftplistparser.c renamed: lib/getenv.c -> lib/curl_getenv.c renamed: lib/getinfo.c -> lib/curl_getinfo.c renamed: lib/gopher.c -> lib/curl_gopher.c renamed: lib/gtls.c -> lib/curl_gtls.c renamed: lib/hash.c -> lib/curl_hash.c renamed: lib/hmac.c -> lib/curl_hmac.c renamed: lib/hostasyn.c -> lib/curl_hostasyn.c renamed: lib/hostcheck.c -> lib/curl_hostcheck.c renamed: lib/hostip.c -> lib/curl_hostip.c renamed: lib/hostip4.c -> lib/curl_hostip4.c renamed: lib/hostip6.c -> lib/curl_hostip6.c renamed: lib/hostsyn.c -> lib/curl_hostsyn.c renamed: lib/http.c -> lib/curl_http.c renamed: lib/http_chunks.c -> lib/curl_http_chunks.c renamed: lib/http_digest.c -> lib/curl_http_digest.c renamed: lib/http_negotiate.c -> lib/curl_http_negotiate.c renamed: lib/http_negotiate_sspi.c -> lib/curl_http_negotiate_sspi.c renamed: lib/http_proxy.c -> lib/curl_http_proxy.c renamed: lib/idn_win32.c -> lib/curl_idn_win32.c renamed: lib/if2ip.c -> lib/curl_if2ip.c renamed: lib/imap.c -> lib/curl_imap.c renamed: lib/inet_ntop.c -> lib/curl_inet_ntop.c renamed: lib/inet_pton.c -> lib/curl_inet_pton.c renamed: lib/krb4.c -> lib/curl_krb4.c renamed: lib/krb5.c -> lib/curl_krb5.c renamed: lib/ldap.c -> lib/curl_ldap.c renamed: lib/llist.c -> lib/curl_llist.c renamed: lib/md4.c -> lib/curl_md4.c renamed: lib/md5.c -> lib/curl_md5.c renamed: lib/memdebug.c -> lib/curl_memdebug.c renamed: lib/mprintf.c -> lib/curl_mprintf.c renamed: lib/multi.c -> lib/curl_multi.c renamed: lib/netrc.c -> lib/curl_netrc.c renamed: lib/non-ascii.c -> lib/curl_non_ascii.c renamed: lib/curl_non-ascii.h -> lib/curl_non_ascii.h renamed: lib/nonblock.c -> lib/curl_nonblock.c renamed: lib/nss.c -> lib/curl_nss.c renamed: lib/nwlib.c -> lib/curl_nwlib.c renamed: lib/nwos.c -> lib/curl_nwos.c renamed: lib/openldap.c -> lib/curl_openldap.c renamed: lib/parsedate.c -> lib/curl_parsedate.c renamed: lib/pingpong.c -> lib/curl_pingpong.c renamed: lib/polarssl.c -> lib/curl_polarssl.c renamed: lib/pop3.c -> lib/curl_pop3.c renamed: lib/progress.c -> lib/curl_progress.c renamed: lib/qssl.c -> lib/curl_qssl.c renamed: lib/rawstr.c -> lib/curl_rawstr.c renamed: lib/rtsp.c -> lib/curl_rtsp.c renamed: lib/security.c -> lib/curl_security.c renamed: lib/select.c -> lib/curl_select.c renamed: lib/sendf.c -> lib/curl_sendf.c renamed: lib/share.c -> lib/curl_share.c renamed: lib/slist.c -> lib/curl_slist.c renamed: lib/smtp.c -> lib/curl_smtp.c renamed: lib/socks.c -> lib/curl_socks.c renamed: lib/socks_gssapi.c -> lib/curl_socks_gssapi.c renamed: lib/socks_sspi.c -> lib/curl_socks_sspi.c renamed: lib/speedcheck.c -> lib/curl_speedcheck.c renamed: lib/splay.c -> lib/curl_splay.c renamed: lib/ssh.c -> lib/curl_ssh.c renamed: lib/sslgen.c -> lib/curl_sslgen.c renamed: lib/ssluse.c -> lib/curl_ssluse.c renamed: lib/strdup.c -> lib/curl_strdup.c renamed: lib/strequal.c -> lib/curl_strequal.c renamed: lib/strerror.c -> lib/curl_strerror.c renamed: lib/strtok.c -> lib/curl_strtok.c renamed: lib/strtoofft.c -> lib/curl_strtoofft.c renamed: lib/telnet.c -> lib/curl_telnet.c renamed: lib/tftp.c -> lib/curl_tftp.c renamed: lib/timeval.c -> lib/curl_timeval.c renamed: lib/transfer.c -> lib/curl_transfer.c renamed: lib/url.c -> lib/curl_url.c renamed: lib/version.c -> lib/curl_version.c renamed: lib/warnless.c -> lib/curl_warnless.c renamed: lib/wildcard.c -> lib/curl_wildcard.c ----------------------------------------
Diffstat (limited to 'lib/splay.c')
-rw-r--r--lib/splay.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/lib/splay.c b/lib/splay.c
deleted file mode 100644
index 21f1d222e..000000000
--- a/lib/splay.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1997 - 2011, 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
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#include "curl_splay.h"
-
-/*
- * This macro compares two node keys i and j and returns:
- *
- * negative value: when i is smaller than j
- * zero : when i is equal to j
- * positive when : when i is larger than j
- */
-#define compare(i,j) Curl_splaycomparekeys((i),(j))
-
-/*
- * Splay using the key i (which may or may not be in the tree.) The starting
- * root is t.
- */
-struct Curl_tree *Curl_splay(struct timeval i,
- struct Curl_tree *t)
-{
- struct Curl_tree N, *l, *r, *y;
- long comp;
-
- if(t == NULL)
- return t;
- N.smaller = N.larger = NULL;
- l = r = &N;
-
- for(;;) {
- comp = compare(i, t->key);
- if(comp < 0) {
- if(t->smaller == NULL)
- break;
- if(compare(i, t->smaller->key) < 0) {
- y = t->smaller; /* rotate smaller */
- t->smaller = y->larger;
- y->larger = t;
- t = y;
- if(t->smaller == NULL)
- break;
- }
- r->smaller = t; /* link smaller */
- r = t;
- t = t->smaller;
- }
- else if(comp > 0) {
- if(t->larger == NULL)
- break;
- if(compare(i, t->larger->key) > 0) {
- y = t->larger; /* rotate larger */
- t->larger = y->smaller;
- y->smaller = t;
- t = y;
- if(t->larger == NULL)
- break;
- }
- l->larger = t; /* link larger */
- l = t;
- t = t->larger;
- }
- else
- break;
- }
-
- l->larger = t->smaller; /* assemble */
- r->smaller = t->larger;
- t->smaller = N.larger;
- t->larger = N.smaller;
-
- return t;
-}
-
-/* Insert key i into the tree t. Return a pointer to the resulting tree or
- * NULL if something went wrong.
- *
- * @unittest: 1309
- */
-struct Curl_tree *Curl_splayinsert(struct timeval i,
- struct Curl_tree *t,
- struct Curl_tree *node)
-{
- static struct timeval KEY_NOTUSED = {-1,-1}; /* will *NEVER* appear */
-
- if(node == NULL)
- return t;
-
- if(t != NULL) {
- t = Curl_splay(i,t);
- if(compare(i, t->key)==0) {
- /* There already exists a node in the tree with the very same key. Build
- a linked list of nodes. We make the new 'node' struct the new master
- node and make the previous node the first one in the 'same' list. */
-
- node->same = t;
- node->key = i;
- node->smaller = t->smaller;
- node->larger = t->larger;
-
- t->smaller = node; /* in the sub node for this same key, we use the
- smaller pointer to point back to the master
- node */
-
- t->key = KEY_NOTUSED; /* and we set the key in the sub node to NOTUSED
- to quickly identify this node as a subnode */
-
- return node; /* new root node */
- }
- }
-
- if(t == NULL) {
- node->smaller = node->larger = NULL;
- }
- else if(compare(i, t->key) < 0) {
- node->smaller = t->smaller;
- node->larger = t;
- t->smaller = NULL;
-
- }
- else {
- node->larger = t->larger;
- node->smaller = t;
- t->larger = NULL;
- }
- node->key = i;
-
- node->same = NULL; /* no identical node (yet) */
- return node;
-}
-
-/* Finds and deletes the best-fit node from the tree. Return a pointer to the
- resulting tree. best-fit means the node with the given or lower key */
-struct Curl_tree *Curl_splaygetbest(struct timeval i,
- struct Curl_tree *t,
- struct Curl_tree **removed)
-{
- struct Curl_tree *x;
-
- if(!t) {
- *removed = NULL; /* none removed since there was no root */
- return NULL;
- }
-
- t = Curl_splay(i,t);
- if(compare(i, t->key) < 0) {
- /* too big node, try the smaller chain */
- if(t->smaller)
- t=Curl_splay(t->smaller->key, t);
- else {
- /* fail */
- *removed = NULL;
- return t;
- }
- }
-
- if(compare(i, t->key) >= 0) { /* found it */
- /* FIRST! Check if there is a list with identical keys */
- x = t->same;
- if(x) {
- /* there is, pick one from the list */
-
- /* 'x' is the new root node */
-
- x->key = t->key;
- x->larger = t->larger;
- x->smaller = t->smaller;
-
- *removed = t;
- return x; /* new root */
- }
-
- if(t->smaller == NULL) {
- x = t->larger;
- }
- else {
- x = Curl_splay(i, t->smaller);
- x->larger = t->larger;
- }
- *removed = t;
-
- return x;
- }
- else {
- *removed = NULL; /* no match */
- return t; /* It wasn't there */
- }
-}
-
-
-/* Deletes the very node we point out from the tree if it's there. Stores a
- * pointer to the new resulting tree in 'newroot'.
- *
- * Returns zero on success and non-zero on errors! TODO: document error codes.
- * When returning error, it does not touch the 'newroot' pointer.
- *
- * NOTE: when the last node of the tree is removed, there's no tree left so
- * 'newroot' will be made to point to NULL.
- *
- * @unittest: 1309
- */
-int Curl_splayremovebyaddr(struct Curl_tree *t,
- struct Curl_tree *removenode,
- struct Curl_tree **newroot)
-{
- static struct timeval KEY_NOTUSED = {-1,-1}; /* will *NEVER* appear */
- struct Curl_tree *x;
-
- if(!t || !removenode)
- return 1;
-
- if(compare(KEY_NOTUSED, removenode->key) == 0) {
- /* Key set to NOTUSED means it is a subnode within a 'same' linked list
- and thus we can unlink it easily. The 'smaller' link of a subnode
- links to the parent node. */
- if(removenode->smaller == NULL)
- return 3;
-
- removenode->smaller->same = removenode->same;
- if(removenode->same)
- removenode->same->smaller = removenode->smaller;
-
- /* Ensures that double-remove gets caught. */
- removenode->smaller = NULL;
-
- /* voila, we're done! */
- *newroot = t; /* return the same root */
- return 0;
- }
-
- t = Curl_splay(removenode->key, t);
-
- /* First make sure that we got the same root node as the one we want
- to remove, as otherwise we might be trying to remove a node that
- isn't actually in the tree.
-
- We cannot just compare the keys here as a double remove in quick
- succession of a node with key != KEY_NOTUSED && same != NULL
- could return the same key but a different node. */
- if(t != removenode)
- return 2;
-
- /* Check if there is a list with identical sizes, as then we're trying to
- remove the root node of a list of nodes with identical keys. */
- x = t->same;
- if(x) {
- /* 'x' is the new root node, we just make it use the root node's
- smaller/larger links */
-
- x->key = t->key;
- x->larger = t->larger;
- x->smaller = t->smaller;
- }
- else {
- /* Remove the root node */
- if(t->smaller == NULL)
- x = t->larger;
- else {
- x = Curl_splay(removenode->key, t->smaller);
- x->larger = t->larger;
- }
- }
-
- *newroot = x; /* store new root pointer */
-
- return 0;
-}
-