text: /*
     +----------------------------------------------------------------------+
     | PHP Version 5                                                        |
     +----------------------------------------------------------------------+
     | Copyright (c) 1997-2014 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: Shen Cheng-Da <cdsheen@gmail.com>                            |
     +----------------------------------------------------------------------+
   */
  
  /* $Id$ */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include "php.h"
  
  #if DBA_DB1
  #include "php_db1.h"
  
  #ifdef DB1_INCLUDE_FILE
  #include DB1_INCLUDE_FILE
  #endif
  
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <fcntl.h>
  
  #define DB1_DATA dba_db1_data *dba = info->dbf
  #define DB1_GKEY DBT gkey; gkey.data = (char *) key; gkey.size = keylen
  
  typedef struct {
  	DB  *dbp;
  } dba_db1_data;
  
  DBA_OPEN_FUNC(db1)
  {
  	dba_db1_data	*dba;
  	DB		*db;
  
  	int gmode;
  	int filemode = 0644;
  
  	if (info->argc > 0) {
  		convert_to_long_ex(info->argv[0]);
  		filemode = Z_LVAL_PP(info->argv[0]);
  	}
  
  	gmode = 0;
  	switch (info->mode) {
  		case DBA_READER:
  			gmode = O_RDONLY;
  			break;
  		case DBA_WRITER:
  			gmode = O_RDWR;
  			break;
  		case DBA_CREAT:
  			gmode = O_RDWR | O_CREAT;
  			break;
  		case DBA_TRUNC:
  			gmode = O_RDWR | O_CREAT | O_TRUNC;
  			break;
  		default:
  			return FAILURE; /* not possible */
  	}
  
  	db = dbopen((char *)info->path, gmode, filemode, DB_HASH, NULL);
  
  	if (db == NULL) {
  		return FAILURE;
  	}
  
  	dba = pemalloc(sizeof(*dba), info->flags&DBA_PERSISTENT);
  	dba->dbp = db;
  
  	info->dbf = dba;
  
  	return SUCCESS;
  }
  
  DBA_CLOSE_FUNC(db1)
  {
  	DB1_DATA;
  	dba->dbp->close(dba->dbp);
  	pefree(info->dbf, info->flags&DBA_PERSISTENT);
  }
  
  DBA_FETCH_FUNC(db1)
  {
  	DBT gval;
  	DB1_DATA;
  	DB1_GKEY;
  
  	memset(&gval, 0, sizeof(gval));
  	if (dba->dbp->get(dba->dbp, &gkey, &gval, 0) == RET_SUCCESS) {
  		if (newlen) *newlen = gval.size;
  		return estrndup(gval.data, gval.size);
  	}
  	return NULL;
  }
  
  DBA_UPDATE_FUNC(db1)
  {
  	DBT gval;
  	DB1_DATA;
  	DB1_GKEY;
  
  	gval.data = (char *) val;
  	gval.size = vallen;
  
  	return dba->dbp->put(dba->dbp, &gkey, &gval, mode == 1 ? R_NOOVERWRITE : 0) != RET_SUCCESS ? FAILURE : SUCCESS;
  }
  
  DBA_EXISTS_FUNC(db1)
  {
  	DBT gval;
  	DB1_DATA;
  	DB1_GKEY;
  
  	return dba->dbp->get(dba->dbp, &gkey, &gval, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
  }
  
  DBA_DELETE_FUNC(db1)
  {
  	DB1_DATA;
  	DB1_GKEY;
  
  	return dba->dbp->del(dba->dbp, &gkey, 0) != RET_SUCCESS ? FAILURE : SUCCESS;
  }
  
  DBA_FIRSTKEY_FUNC(db1)
  {
  	DBT gkey;
  	DBT gval;
  	DB1_DATA;
  
  	memset(&gkey, 0, sizeof(gkey));
  	memset(&gval, 0, sizeof(gval));
  
  	if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_FIRST) == RET_SUCCESS) {
  		if (newlen) *newlen = gkey.size;
  		return estrndup(gkey.data, gkey.size);
  	}
  	return NULL;
  }
  
  DBA_NEXTKEY_FUNC(db1)
  {
  	DBT gkey;
  	DBT gval;
  	DB1_DATA;
  
  	memset(&gkey, 0, sizeof(gkey));
  	memset(&gval, 0, sizeof(gval));
  
  	if (dba->dbp->seq(dba->dbp, &gkey, &gval, R_NEXT) == RET_SUCCESS) {
  		if (newlen) *newlen = gkey.size;
  		return estrndup(gkey.data, gkey.size);
  	}
  	return NULL;
  }
  
  DBA_OPTIMIZE_FUNC(db1)
  {
  	/* dummy */
  	return SUCCESS;
  }
  
  DBA_SYNC_FUNC(db1)
  {
  	return SUCCESS;
  }
  
  DBA_INFO_FUNC(db1)
  {
  	return estrdup(DB1_VERSION);
  }
  
  #endif
  
  /*
   * Local variables:
   * tab-width: 4
   * c-basic-offset: 4
   * End:
   * vim600: sw=4 ts=4 fdm=marker
   * vim<600: sw=4 ts=4
   */
  