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dis-bench / src /php /php-src /ext /dba /dba_dbm.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#ifdef DBA_DBM
#include "php_dbm.h"
#ifdef DBM_INCLUDE_FILE
#include DBM_INCLUDE_FILE
#endif
#ifdef DBA_GDBM
#include "php_gdbm.h"
#endif
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define TRUNC_IT(extension, mode) \
snprintf(buf, MAXPATHLEN, "%s" extension, ZSTR_VAL(info->path)); \
buf[MAXPATHLEN-1] = '\0'; \
if((fd = VCWD_OPEN_MODE(buf, O_CREAT | mode | O_WRONLY, filemode)) == -1) \
return FAILURE; \
close(fd);
typedef struct {
datum nextkey;
} dba_dbm_data;
DBA_OPEN_FUNC(dbm)
{
int fd;
int filemode = info->file_permission;
if(info->mode == DBA_TRUNC) {
char buf[MAXPATHLEN];
/* dbm/ndbm original */
TRUNC_IT(".pag", O_TRUNC);
TRUNC_IT(".dir", O_TRUNC);
}
if(info->mode == DBA_CREAT) {
char buf[MAXPATHLEN];
TRUNC_IT(".pag", 0);
TRUNC_IT(".dir", 0);
}
if(dbminit((char *) ZSTR_VAL(info->path)) == -1) {
return FAILURE;
}
info->dbf = pemalloc(sizeof(dba_dbm_data), info->flags&DBA_PERSISTENT);
memset(info->dbf, 0, sizeof(dba_dbm_data));
return SUCCESS;
}
DBA_CLOSE_FUNC(dbm)
{
pefree(info->dbf, info->flags&DBA_PERSISTENT);
dbmclose();
}
DBA_FETCH_FUNC(dbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = fetch(gkey);
if (gval.dptr) {
return zend_string_init(gval.dptr, gval.dsize, /* persistent */ false);
}
return NULL;
}
DBA_UPDATE_FUNC(dbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
if (mode == 1) { /* insert */
gval = fetch(gkey);
if (gval.dptr) {
return FAILURE;
}
}
gval.dptr = ZSTR_VAL(val);
gval.dsize = ZSTR_LEN(val);
return (store(gkey, gval) == -1 ? FAILURE : SUCCESS);
}
DBA_EXISTS_FUNC(dbm)
{
datum gval;
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
gval = fetch(gkey);
if (gval.dptr) {
return SUCCESS;
}
return FAILURE;
}
DBA_DELETE_FUNC(dbm)
{
datum gkey;
gkey.dptr = ZSTR_VAL(key);
gkey.dsize = ZSTR_LEN(key);
return(delete(gkey) == -1 ? FAILURE : SUCCESS);
}
DBA_FIRSTKEY_FUNC(dbm)
{
dba_dbm_data *dba = info->dbf;
datum gkey;
zend_string *key = NULL;
gkey = firstkey();
if (gkey.dptr) {
key = zend_string_init(gkey.dptr, gkey.dsize, /* persistent */ false);
dba->nextkey = gkey;
} else {
dba->nextkey.dptr = NULL;
}
return key;
}
DBA_NEXTKEY_FUNC(dbm)
{
dba_dbm_data *dba = info->dbf;
datum gkey;
zend_string *key = NULL;
if (!dba->nextkey.dptr) { return NULL; }
gkey = nextkey(dba->nextkey);
if (gkey.dptr) {
key = zend_string_init(gkey.dptr, gkey.dsize, /* persistent */ false);
dba->nextkey = gkey;
} else {
dba->nextkey.dptr = NULL;
}
return key;
}
DBA_OPTIMIZE_FUNC(dbm)
{
/* dummy */
return SUCCESS;
}
DBA_SYNC_FUNC(dbm)
{
return SUCCESS;
}
DBA_INFO_FUNC(dbm)
{
#ifdef DBA_GDBM
if (!strcmp(DBM_VERSION, "GDBM"))
{
return dba_info_gdbm(hnd, info);
}
#endif
return estrdup(DBM_VERSION);
}
#endif