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Diffstat (limited to 'ext/dba/libcdb/cdb_make.c')
-rw-r--r--ext/dba/libcdb/cdb_make.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/ext/dba/libcdb/cdb_make.c b/ext/dba/libcdb/cdb_make.c
deleted file mode 100644
index 1c3402e908..0000000000
--- a/ext/dba/libcdb/cdb_make.c
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2003 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 2.02 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available at through the world-wide-web at |
- | http://www.php.net/license/2_02.txt. |
- | If you did not receive a copy of the PHP license and are unable to |
- | obtain it through the world-wide-web, please send a note to |
- | license@php.net so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Author: Marcus Boerger <helly@php.net> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-/* incorporated from D.J.Bernstein's cdb-0.75 (http://cr.yp.to/cdb.html)*/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "php.h"
-
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include "cdb.h"
-#include "cdb_make.h"
-#include "uint32.h"
-
-/* {{{ cdb_make_write */
-static int cdb_make_write(struct cdb_make *c, char *buf, uint32 sz TSRMLS_DC) {
- return php_stream_write(c->fp, buf, sz) == sz ? 0 : -1;
-}
-
-/* {{{ cdb_posplus */
-static int cdb_posplus(struct cdb_make *c, uint32 len)
-{
- uint32 newpos = c->pos + len;
- if (newpos < len) {
- errno = ENOMEM;
- return -1;
- }
- c->pos = newpos;
- return 0;
-}
-/* }}} */
-
-/* {{{ cdb_make_start */
-int cdb_make_start(struct cdb_make *c, php_stream * f TSRMLS_DC)
-{
- c->head = 0;
- c->split = 0;
- c->hash = 0;
- c->numentries = 0;
- c->fp = f;
- c->pos = sizeof(c->final);
- if (php_stream_seek(f, c->pos, SEEK_SET) == -1) {
- php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Fseek failed");
- return -1;
- }
- return php_stream_tell(c->fp);
-}
-/* }}} */
-
-/* {{{ cdb_make_addend */
-int cdb_make_addend(struct cdb_make *c, unsigned int keylen, unsigned int datalen, uint32 h TSRMLS_DC)
-{
- struct cdb_hplist *head;
-
- head = c->head;
- if (!head || (head->num >= CDB_HPLIST)) {
- head = (struct cdb_hplist *)
- emalloc(sizeof(struct cdb_hplist));
- if (!head)
- return -1;
- head->num = 0;
- head->next = c->head;
- c->head = head;
- }
- head->hp[head->num].h = h;
- head->hp[head->num].p = c->pos;
- ++head->num;
- ++c->numentries;
- if (cdb_posplus(c,8) == -1)
- return -1;
- if (cdb_posplus(c, keylen) == -1)
- return -1;
- if (cdb_posplus(c, datalen) == -1)
- return -1;
- return 0;
-}
-/* }}} */
-
-/* {{{ cdb_make_addbegin */
-int cdb_make_addbegin(struct cdb_make *c, unsigned int keylen, unsigned int datalen TSRMLS_DC)
-{
- char buf[8];
-
- if (keylen > 0xffffffff) {
- errno = ENOMEM;
- return -1;
- }
- if (datalen > 0xffffffff) {
- errno = ENOMEM;
- return -1;
- }
-
- uint32_pack(buf, keylen);
- uint32_pack(buf + 4, datalen);
- if (cdb_make_write(c, buf, 8 TSRMLS_CC) != 0)
- return -1;
- return 0;
-}
-
-/* {{{ cdb_make_add */
-int cdb_make_add(struct cdb_make *c,char *key,unsigned int keylen,char *data,unsigned int datalen TSRMLS_DC)
-{
- if (cdb_make_addbegin(c, keylen, datalen TSRMLS_CC) == -1)
- return -1;
- if (cdb_make_write(c, key, keylen TSRMLS_CC) != 0)
- return -1;
- if (cdb_make_write(c, data, datalen TSRMLS_CC) != 0)
- return -1;
- return cdb_make_addend(c, keylen, datalen, cdb_hash(key, keylen) TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ cdb_make_finish */
-int cdb_make_finish(struct cdb_make *c TSRMLS_DC)
-{
- char buf[8];
- int i;
- uint32 len;
- uint32 u;
- uint32 memsize;
- uint32 count;
- uint32 where;
- struct cdb_hplist *x;
- struct cdb_hp *hp;
-
- for (i = 0;i < 256;++i)
- c->count[i] = 0;
-
- for (x = c->head; x; x = x->next) {
- i = x->num;
- while (i--)
- ++c->count[255 & x->hp[i].h];
- }
-
- memsize = 1;
- for (i = 0;i < 256;++i) {
- u = c->count[i] * 2;
- if (u > memsize)
- memsize = u;
- }
-
- memsize += c->numentries; /* no overflow possible up to now */
- u = (uint32) 0 - (uint32) 1;
- u /= sizeof(struct cdb_hp);
- if (memsize > u) {
- errno = ENOMEM;
- return -1;
- }
-
- c->split = (struct cdb_hp *)
- emalloc(memsize * sizeof(struct cdb_hp));
- if (!c->split)
- return -1;
-
- c->hash = c->split + c->numentries;
-
- u = 0;
- for (i = 0;i < 256;++i) {
- u += c->count[i]; /* bounded by numentries, so no overflow */
- c->start[i] = u;
- }
-
- for (x = c->head; x; x = x->next) {
- i = x->num;
- while (i--)
- c->split[--c->start[255 & x->hp[i].h]] = x->hp[i];
- }
-
- for (i = 0;i < 256;++i) {
- count = c->count[i];
-
- len = count + count; /* no overflow possible */
- uint32_pack(c->final + 8 * i,c->pos);
- uint32_pack(c->final + 8 * i + 4,len);
-
- for (u = 0;u < len;++u)
- c->hash[u].h = c->hash[u].p = 0;
-
- hp = c->split + c->start[i];
- for (u = 0;u < count;++u) {
- where = (hp->h >> 8) % len;
- while (c->hash[where].p)
- if (++where == len)
- where = 0;
- c->hash[where] = *hp++;
- }
-
- for (u = 0;u < len;++u) {
- uint32_pack(buf, c->hash[u].h);
- uint32_pack(buf + 4, c->hash[u].p);
- if (cdb_make_write(c, buf, 8 TSRMLS_CC) != 0)
- return -1;
- if (cdb_posplus(c, 8) == -1)
- return -1;
- }
- }
-
- if (c->split)
- efree(c->split);
-
- for (x = c->head; x; c->head = x) {
- x = x->next;
- efree(c->head);
- }
-
- if (php_stream_flush(c->fp) != 0)
- return -1;
- php_stream_rewind(c->fp);
- if (php_stream_tell(c->fp) != 0)
- return -1;
- if (cdb_make_write(c, c->final, sizeof(c->final) TSRMLS_CC) != 0)
- return -1;
- return php_stream_flush(c->fp);
-}
-/* }}} */
-
-/* {{{ cdb_make_version */
-char *cdb_make_version()
-{
- return "0.75, $Revision$";
-}
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