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author | Yang Tse <yangsita@gmail.com> | 2013-01-03 06:13:18 +0100 |
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committer | Yang Tse <yangsita@gmail.com> | 2013-01-03 06:13:18 +0100 |
commit | 5b6e7927c6891d93edc16695ae786dc686274bab (patch) | |
tree | 8b9da426b7152f617522cfa153e541ec26ff6961 /lib/splay.c | |
parent | 13606bbfdeaa3bac193e1f39a05a9c9b5f15d1b5 (diff) | |
download | curl-5b6e7927c6891d93edc16695ae786dc686274bab.tar.gz |
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.
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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.c | 288 |
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; -} - |