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-rw-r--r--ext/dba/libcdb/cdb.c194
-rw-r--r--ext/dba/libcdb/cdb.h57
-rw-r--r--ext/dba/libcdb/cdb_make.c244
-rw-r--r--ext/dba/libcdb/cdb_make.h64
-rw-r--r--ext/dba/libcdb/uint32.c49
-rw-r--r--ext/dba/libcdb/uint32.h39
6 files changed, 647 insertions, 0 deletions
diff --git a/ext/dba/libcdb/cdb.c b/ext/dba/libcdb/cdb.c
new file mode 100644
index 0000000..2b101f8
--- /dev/null
+++ b/ext/dba/libcdb/cdb.c
@@ -0,0 +1,194 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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: bc4ee08831fe552aab0f3fdce506f7b734dde461 $ */
+
+/* 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>
+#include <sys/stat.h>
+#ifndef PHP_WIN32
+#include <sys/mman.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <string.h>
+#include <errno.h>
+#include "cdb.h"
+
+#ifndef EPROTO
+# define EPROTO -15 /* cdb 0.75's default for PROTOless systems */
+#endif
+
+/* {{{ cdb_match */
+static int cdb_match(struct cdb *c, char *key, unsigned int len, uint32 pos TSRMLS_DC)
+{
+ char buf[32];
+ unsigned int n;
+
+ while (len > 0) {
+ n = sizeof(buf);
+ if (n > len)
+ n = len;
+ if (cdb_read(c, buf, n, pos TSRMLS_CC) == -1)
+ return -1;
+ if (memcmp(buf, key, n))
+ return 0;
+ pos += n;
+ key += n;
+ len -= n;
+ }
+ return 1;
+}
+/* }}} */
+
+/* {{{ cdb_hash */
+uint32 cdb_hash(char *buf, unsigned int len)
+{
+ uint32 h;
+ const unsigned char * b = (unsigned char *)buf;
+
+ h = CDB_HASHSTART;
+ while (len--) {
+ h = ( h + (h << 5)) ^ (*b++);
+ }
+ return h;
+}
+/* }}} */
+
+/* {{{ cdb_free */
+void cdb_free(struct cdb *c TSRMLS_DC)
+{
+}
+/* }}} */
+
+/* {{{ cdb_findstart */
+void cdb_findstart(struct cdb *c TSRMLS_DC)
+{
+ c->loop = 0;
+}
+/* }}} */
+
+/* {{{ cdb_init */
+void cdb_init(struct cdb *c, php_stream *fp TSRMLS_DC)
+{
+ cdb_free(c TSRMLS_CC);
+ cdb_findstart(c TSRMLS_CC);
+ c->fp = fp;
+}
+/* }}} */
+
+/* {{{ cdb_read */
+int cdb_read(struct cdb *c, char *buf, unsigned int len, uint32 pos TSRMLS_DC)
+{
+ if (php_stream_seek(c->fp, pos, SEEK_SET) == -1) {
+ errno = EPROTO;
+ return -1;
+ }
+ while (len > 0) {
+ int r;
+ do {
+ r = php_stream_read(c->fp, buf, len);
+ } while ((r == -1) && (errno == EINTR));
+ if (r == -1)
+ return -1;
+ if (r == 0) {
+ errno = EPROTO;
+ return -1;
+ }
+ buf += r;
+ len -= r;
+ }
+ return 0;
+}
+/* }}} */
+
+/* {{{ cdb_findnext */
+int cdb_findnext(struct cdb *c, char *key, unsigned int len TSRMLS_DC)
+{
+ char buf[8];
+ uint32 pos;
+ uint32 u;
+
+ if (!c->loop) {
+ u = cdb_hash(key, len);
+ if (cdb_read(c, buf, 8, (u << 3) & 2047 TSRMLS_CC) == -1)
+ return -1;
+ uint32_unpack(buf + 4,&c->hslots);
+ if (!c->hslots)
+ return 0;
+ uint32_unpack(buf, &c->hpos);
+ c->khash = u;
+ u >>= 8;
+ u %= c->hslots;
+ u <<= 3;
+ c->kpos = c->hpos + u;
+ }
+
+ while (c->loop < c->hslots) {
+ if (cdb_read(c, buf, 8, c->kpos TSRMLS_CC) == -1)
+ return -1;
+ uint32_unpack(buf + 4, &pos);
+ if (!pos)
+ return 0;
+ c->loop += 1;
+ c->kpos += 8;
+ if (c->kpos == c->hpos + (c->hslots << 3))
+ c->kpos = c->hpos;
+ uint32_unpack(buf, &u);
+ if (u == c->khash) {
+ if (cdb_read(c, buf, 8, pos TSRMLS_CC) == -1)
+ return -1;
+ uint32_unpack(buf, &u);
+ if (u == len)
+ switch(cdb_match(c, key, len, pos + 8 TSRMLS_CC)) {
+ case -1:
+ return -1;
+ case 1:
+ uint32_unpack(buf + 4, &c->dlen);
+ c->dpos = pos + 8 + len;
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+/* }}} */
+
+/* {{{ cdb_find */
+int cdb_find(struct cdb *c, char *key, unsigned int len TSRMLS_DC)
+{
+ cdb_findstart(c TSRMLS_CC);
+ return cdb_findnext(c, key, len TSRMLS_CC);
+}
+/* }}} */
+
+/* {{{ cdb_version */
+char *cdb_version()
+{
+ return "0.75, $Id: bc4ee08831fe552aab0f3fdce506f7b734dde461 $";
+}
+/* }}} */
diff --git a/ext/dba/libcdb/cdb.h b/ext/dba/libcdb/cdb.h
new file mode 100644
index 0000000..5be8ec4
--- /dev/null
+++ b/ext/dba/libcdb/cdb.h
@@ -0,0 +1,57 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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)*/
+
+#ifndef CDB_H
+#define CDB_H
+
+#include "uint32.h"
+
+#define CDB_HASHSTART 5381
+
+struct cdb {
+ php_stream *fp;
+ uint32 loop; /* number of hash slots searched under this key */
+ uint32 khash; /* initialized if loop is nonzero */
+ uint32 kpos; /* initialized if loop is nonzero */
+ uint32 hpos; /* initialized if loop is nonzero */
+ uint32 hslots; /* initialized if loop is nonzero */
+ uint32 dpos; /* initialized if cdb_findnext() returns 1 */
+ uint32 dlen; /* initialized if cdb_findnext() returns 1 */
+};
+
+uint32 cdb_hash(char *, unsigned int);
+
+void cdb_free(struct cdb * TSRMLS_DC);
+void cdb_init(struct cdb *, php_stream *fp TSRMLS_DC);
+
+int cdb_read(struct cdb *, char *, unsigned int, uint32 TSRMLS_DC);
+
+void cdb_findstart(struct cdb * TSRMLS_DC);
+int cdb_findnext(struct cdb *, char *, unsigned int TSRMLS_DC);
+int cdb_find(struct cdb *, char *, unsigned int TSRMLS_DC);
+
+#define cdb_datapos(c) ((c)->dpos)
+#define cdb_datalen(c) ((c)->dlen)
+
+char *cdb_version();
+
+#endif
diff --git a/ext/dba/libcdb/cdb_make.c b/ext/dba/libcdb/cdb_make.c
new file mode 100644
index 0000000..606b56e
--- /dev/null
+++ b/ext/dba/libcdb/cdb_make.c
@@ -0,0 +1,244 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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: 154118c15260d2e1f134cf7534ff244ba31b4353 $ */
+
+/* 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 *) safe_emalloc(memsize, sizeof(struct cdb_hp), 0);
+ 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, $Id: 154118c15260d2e1f134cf7534ff244ba31b4353 $";
+}
diff --git a/ext/dba/libcdb/cdb_make.h b/ext/dba/libcdb/cdb_make.h
new file mode 100644
index 0000000..5bb0ddf
--- /dev/null
+++ b/ext/dba/libcdb/cdb_make.h
@@ -0,0 +1,64 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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)*/
+
+#ifndef CDB_MAKE_H
+#define CDB_MAKE_H
+
+#include <stdio.h>
+#include "uint32.h"
+
+#define CDB_HPLIST 1000
+
+struct cdb_hp {
+ uint32 h;
+ uint32 p;
+};
+
+struct cdb_hplist {
+ struct cdb_hp hp[CDB_HPLIST];
+ struct cdb_hplist *next;
+ int num;
+} ;
+
+struct cdb_make {
+ /* char bspace[8192]; */
+ char final[2048];
+ uint32 count[256];
+ uint32 start[256];
+ struct cdb_hplist *head;
+ struct cdb_hp *split; /* includes space for hash */
+ struct cdb_hp *hash;
+ uint32 numentries;
+ /* buffer b; */
+ uint32 pos;
+ /* int fd; */
+ php_stream * fp;
+};
+
+int cdb_make_start(struct cdb_make *, php_stream * TSRMLS_DC);
+int cdb_make_addbegin(struct cdb_make *, unsigned int, unsigned int TSRMLS_DC);
+int cdb_make_addend(struct cdb_make *, unsigned int, unsigned int, uint32 TSRMLS_DC);
+int cdb_make_add(struct cdb_make *, char *, unsigned int, char *, unsigned int TSRMLS_DC);
+int cdb_make_finish(struct cdb_make * TSRMLS_DC);
+char *cdb_make_version();
+
+#endif
diff --git a/ext/dba/libcdb/uint32.c b/ext/dba/libcdb/uint32.c
new file mode 100644
index 0000000..803a3d5
--- /dev/null
+++ b/ext/dba/libcdb/uint32.c
@@ -0,0 +1,49 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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 "uint32.h"
+
+/* {{{ uint32_pack */
+void uint32_pack(char *out, uint32 in)
+{
+ out[0] = in&0xff; in>>=8;
+ out[1] = in&0xff; in>>=8;
+ out[2] = in&0xff; in>>=8;
+ out[3] = in&0xff;
+}
+/* }}} */
+
+/* {{{ uint32_unpack */
+void uint32_unpack(const char *in, uint32 *out)
+{
+ *out = (((uint32)(unsigned char)in[3])<<24) |
+ (((uint32)(unsigned char)in[2])<<16) |
+ (((uint32)(unsigned char)in[1])<<8) |
+ (((uint32)(unsigned char)in[0]));
+}
+/* }}} */
diff --git a/ext/dba/libcdb/uint32.h b/ext/dba/libcdb/uint32.h
new file mode 100644
index 0000000..ac44f05
--- /dev/null
+++ b/ext/dba/libcdb/uint32.h
@@ -0,0 +1,39 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP Version 5 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2013 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available through the world-wide-web at the following url: |
+ | http://www.php.net/license/3_01.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)*/
+
+#ifndef UINT32_H
+#define UINT32_H
+
+#if SIZEOF_INT == 4
+/* Most 32-bit and 64-bit systems have 32-bit ints */
+typedef unsigned int uint32;
+#elif SIZEOF_LONG == 4
+/* 16-bit systems? */
+typedef unsigned long uint32;
+#else
+#error Need type which holds 32 bits
+#endif
+
+void uint32_pack(char *out, uint32 in);
+void uint32_unpack(const char *in, uint32 *out);
+
+#endif
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