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Diffstat (limited to 'ext/dba/dba_cdb.c')
-rw-r--r--ext/dba/dba_cdb.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/ext/dba/dba_cdb.c b/ext/dba/dba_cdb.c
deleted file mode 100644
index ee9d53a74d..0000000000
--- a/ext/dba/dba_cdb.c
+++ /dev/null
@@ -1,350 +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. |
- +----------------------------------------------------------------------+
- | Authors: Sascha Schumann <sascha@schumann.cx> |
- | Marcus Boerger <helly@php.net> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "php.h"
-
-#if DBA_CDB
-#include "php_cdb.h"
-
-#include <sys/types.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <fcntl.h>
-
-#if DBA_CDB_BUILTIN
-# include "libcdb/cdb.h"
-# include "libcdb/cdb_make.h"
-# include "libcdb/uint32.h"
-#else
-# ifdef CDB_INCLUDE_FILE
-# include CDB_INCLUDE_FILE
-# endif
-#endif
-
-#define CDB_INFO \
- dba_cdb *cdb = (dba_cdb *) info->dbf
-
-typedef struct {
- struct cdb c;
-#if DBA_CDB_BUILTIN
- struct cdb_make m;
- php_stream *file;
- int make;
-#else
- int file;
-#endif
- uint32 eod; /* size of constant database */
- uint32 pos; /* current position for traversing */
-} dba_cdb;
-
-DBA_OPEN_FUNC(cdb)
-{
-#if DBA_CDB_BUILTIN
- php_stream* file = 0;
- int make;
-#else
- int file = 0;
-#endif
- dba_cdb *cdb;
- dba_info *pinfo = (dba_info *) info;
-
- switch (info->mode) {
- case DBA_READER:
-#if DBA_CDB_BUILTIN
- make = 0;
- file = info->fp;
-#else
- file = VCWD_OPEN(info->path, O_RDONLY);
- if (file < 0) {
- *error = "Unable to open file";
- return FAILURE;
- }
-#endif
- break;
-#if DBA_CDB_BUILTIN
- case DBA_TRUNC:
- case DBA_CREAT:
- make = 1;
- file = info->fp;
- break;
- case DBA_WRITER:
- *error = "Update operations are not supported";
- return FAILURE; /* not supported */
-#endif
- default:
- *error = "Currently not supported";
- return FAILURE;
- }
-
- cdb = pemalloc(sizeof(dba_cdb), info->flags&DBA_PERSISTENT);
- memset(cdb, 0, sizeof(dba_cdb));
-
-#if DBA_CDB_BUILTIN
- if (make) {
- cdb_make_start(&cdb->m, file TSRMLS_CC);
- } else {
- cdb_init(&cdb->c, file TSRMLS_CC);
- }
- cdb->make = make;
-#else
- cdb_init(&cdb->c, file);
-#endif
- cdb->file = file;
-
- pinfo->dbf = cdb;
- return SUCCESS;
-}
-
-DBA_CLOSE_FUNC(cdb)
-{
- CDB_INFO;
-
- /* cdb_free does not close associated file */
-#if DBA_CDB_BUILTIN
- if (cdb->make) {
- cdb_make_finish(&cdb->m TSRMLS_CC);
- } else {
- cdb_free(&cdb->c TSRMLS_CC);
- }
-#else
- cdb_free(&cdb->c);
- close(cdb->file);
-#endif
- pefree(cdb, info->flags&DBA_PERSISTENT);
-}
-
-#if DBA_CDB_BUILTIN
-# define php_cdb_read(cdb, buf, len, pos) cdb_read(cdb, buf, len, pos TSRMLS_CC)
-# define php_cdb_findnext(cdb, key, len) cdb_findnext(cdb, key, len TSRMLS_CC)
-# define php_cdb_find(cdb, key, len) cdb_find(cdb, key, len TSRMLS_CC)
-#else
-# define php_cdb_read(cdb, buf, len, pos) cdb_read(cdb, buf, len, pos)
-# define php_cdb_findnext(cdb, key, len) cdb_findnext(cdb, key, len)
-# define php_cdb_find(cdb, key, len) cdb_find(cdb, key, len)
-#endif
-
-DBA_FETCH_FUNC(cdb)
-{
- CDB_INFO;
- unsigned int len;
- char *new_entry = NULL;
-
-#if DBA_CDB_BUILTIN
- if (cdb->make)
- return NULL; /* database was opened writeonly */
-#endif
- if (php_cdb_find(&cdb->c, key, keylen) == 1) {
- while(skip--) {
- if (php_cdb_findnext(&cdb->c, key, keylen) != 1) {
- return NULL;
- }
- }
- len = cdb_datalen(&cdb->c);
- new_entry = emalloc(len+1);
-
- if (php_cdb_read(&cdb->c, new_entry, len, cdb_datapos(&cdb->c)) == -1) {
- efree(new_entry);
- return NULL;
- }
- new_entry[len] = 0;
- if (newlen)
- *newlen = len;
- }
-
- return new_entry;
-}
-
-DBA_UPDATE_FUNC(cdb)
-{
-#if DBA_CDB_BUILTIN
- CDB_INFO;
-
- if (!cdb->make)
- return FAILURE; /* database was opened readonly */
- if (!mode)
- return FAILURE; /* cdb_make dosn't know replace */
- if (cdb_make_add(&cdb->m, key, keylen, val, vallen TSRMLS_CC) != -1)
- return SUCCESS;
-#endif
- return FAILURE;
-}
-
-DBA_EXISTS_FUNC(cdb)
-{
- CDB_INFO;
-
-#if DBA_CDB_BUILTIN
- if (cdb->make)
- return FAILURE; /* database was opened writeonly */
-#endif
- if (php_cdb_find(&cdb->c, key, keylen) == 1)
- return SUCCESS;
- return FAILURE;
-}
-
-DBA_DELETE_FUNC(cdb)
-{
- return FAILURE; /* cdb doesn't support delete */
-}
-
-/* {{{ cdb_file_read */
-#if DBA_CDB_BUILTIN
-# define cdb_file_read(fildes, buf, size) php_stream_read(fildes, buf, size)
-#else
-# define cdb_file_read(fildes, buf, size) read(fildes, buf, size)
-#endif
-/* }}} */
-
-#define CREAD(n) do { \
- if (cdb_file_read(cdb->file, buf, n) < n) return NULL; \
-} while (0)
-
-/* {{{ cdb_file_lseek
- php_stream_seek does not return actual position */
-#if DBA_CDB_BUILTIN
-int cdb_file_lseek(php_stream *fp, off_t offset, int whence TSRMLS_DC) {
- php_stream_seek(fp, offset, whence);
- return php_stream_tell(fp);
-}
-#else
-int cdb_file_lseek(int fd, off_t offset, int whence TSRMLS_DC) {
- return lseek(fd, offset, whence);
-}
-#endif
-/* }}} */
-
-#define CSEEK(n) do { \
- if (n >= cdb->eod) return NULL; \
- if (cdb_file_lseek(cdb->file, (off_t)n, SEEK_SET TSRMLS_CC) != (off_t) n) return NULL; \
-} while (0)
-
-
-DBA_FIRSTKEY_FUNC(cdb)
-{
- CDB_INFO;
- uint32 klen, dlen;
- char buf[8];
- char *key;
-
-#if DBA_CDB_BUILTIN
- if (cdb->make)
- return NULL; /* database was opened writeonly */
-#endif
-
- cdb->eod = -1;
- CSEEK(0);
- CREAD(4);
-
- /* Total length of file in bytes */
- uint32_unpack(buf, &cdb->eod);
-
- CSEEK(2048);
- CREAD(8);
-
- /* The first four bytes contain the length of the key */
- uint32_unpack(buf, &klen);
- uint32_unpack(buf + 4, &dlen);
-
- key = emalloc(klen + 1);
- if (cdb_file_read(cdb->file, key, klen) < klen) {
- efree(key);
- key = NULL;
- } else {
- key[klen] = '\0';
- if (newlen) *newlen = klen;
- }
-
- /* header + klenlen + dlenlen + klen + dlen */
- cdb->pos = 2048 + 4 + 4 + klen + dlen;
-
- return key;
-}
-
-DBA_NEXTKEY_FUNC(cdb)
-{
- CDB_INFO;
- uint32 klen, dlen;
- char buf[8];
- char *key;
-
-#if DBA_CDB_BUILTIN
- if (cdb->make)
- return NULL; /* database was opened writeonly */
-#endif
-
- CSEEK(cdb->pos);
- CREAD(8);
- uint32_unpack(buf, &klen);
- uint32_unpack(buf + 4, &dlen);
-
- key = emalloc(klen + 1);
- if (cdb_file_read(cdb->file, key, klen) < klen) {
- efree(key);
- key = NULL;
- } else {
- key[klen] = '\0';
- if (newlen) *newlen = klen;
- }
-
- cdb->pos += 8 + klen + dlen;
-
- return key;
-}
-
-DBA_OPTIMIZE_FUNC(cdb)
-{
- return SUCCESS;
-}
-
-DBA_SYNC_FUNC(cdb)
-{
- /* this is read-only */
- return SUCCESS;
-}
-
-DBA_INFO_FUNC(cdb)
-{
-#if DBA_CDB_BUILTIN
- if (!strcmp(hnd->name, "cdb")) {
- return estrdup(cdb_version());
- } else {
- return estrdup(cdb_make_version());
- }
-#else
- return estrdup("External");
-#endif
-}
-
-#endif
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
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