/ext/odbc/php_odbc.c

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/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2011 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.               |
   +----------------------------------------------------------------------+
   | Authors: Stig S�ther Bakken <ssb@php.net>                            |
   |          Andreas Karajannis <Andreas.Karajannis@gmd.de>              |
   |          Frank M. Kromann <frank@kromann.info>  Support for DB/2 CLI |
   |          Kevin N. Shallow <kshallow@tampabay.rr.com> Birdstep Support|
   |          Daniel R. Kalowsky <kalowsky@php.net>                       |
   +----------------------------------------------------------------------+
*/

/* $Id: php_odbc.c 306939 2011-01-01 02:19:59Z felipe $ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include "php.h"
#include "php_globals.h"

#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_standard.h"

#include "php_odbc.h"
#include "php_odbc_includes.h"
#include "php_globals.h"

#if HAVE_UODBC

#include <fcntl.h>
#include "ext/standard/head.h"
#include "php_ini.h"

#ifdef PHP_WIN32
#include <winsock2.h>

#define ODBC_TYPE "Win32"
#define PHP_ODBC_TYPE ODBC_TYPE

#endif

/*
 * not defined elsewhere
 */

#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif

void odbc_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent);

static int le_result, le_conn, le_pconn;

#define SAFE_SQL_NTS(n) ((SQLSMALLINT) ((n)?(SQL_NTS):0))

/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO(arginfo_odbc_close_all, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_binmode, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_longreadlen, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_prepare, 0, 0, 2)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, query)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_execute, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, parameters_array)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_cursor, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
ZEND_END_ARG_INFO()

#ifdef HAVE_SQLDATASOURCES
ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_data_source, 0, 0, 2)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, fetch_type)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_exec, 0, 0, 2)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, query)
	ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()

#ifdef PHP_ODBC_HAVE_FETCH_HASH
ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_fetch_object, 0, 0, 1)
	ZEND_ARG_INFO(0, result)
	ZEND_ARG_INFO(0, rownumber)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_fetch_array, 0, 0, 1)
	ZEND_ARG_INFO(0, result)
	ZEND_ARG_INFO(0, rownumber)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_fetch_into, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(1, result_array)
	ZEND_ARG_INFO(0, rownumber)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_fetch_row, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, row_number)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_result, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_result_all, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, format)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_free_result, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_connect, 0, 0, 3)
	ZEND_ARG_INFO(0, dsn)
	ZEND_ARG_INFO(0, user)
	ZEND_ARG_INFO(0, password)
	ZEND_ARG_INFO(0, cursor_option)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_pconnect, 0, 0, 3)
	ZEND_ARG_INFO(0, dsn)
	ZEND_ARG_INFO(0, user)
	ZEND_ARG_INFO(0, password)
	ZEND_ARG_INFO(0, cursor_option)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_close, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_num_rows, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
ZEND_END_ARG_INFO()

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30)
ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_next_result, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_num_fields, 0, 0, 1)
	ZEND_ARG_INFO(0, result_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_field_name, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field_number)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_field_type, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field_number)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_field_len, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field_number)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_field_scale, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field_number)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_field_num, 0, 0, 2)
	ZEND_ARG_INFO(0, result_id)
	ZEND_ARG_INFO(0, field_name)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_autocommit, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, onoff)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_commit, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_rollback, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_error, 0, 0, 0)
	ZEND_ARG_INFO(0, connection_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_errormsg, 0, 0, 0)
	ZEND_ARG_INFO(0, connection_id)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_setoption, 0, 0, 4)
	ZEND_ARG_INFO(0, conn_id)
	ZEND_ARG_INFO(0, which)
	ZEND_ARG_INFO(0, option)
	ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_tables, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, name)
	ZEND_ARG_INFO(0, table_types)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_columns, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, table_name)
	ZEND_ARG_INFO(0, column_name)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_gettypeinfo, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, data_type)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_primarykeys, 0, 0, 4)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, table)
ZEND_END_ARG_INFO()

#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35)
#if !defined(HAVE_BIRDSTEP)
ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_procedurecolumns, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, proc)
	ZEND_ARG_INFO(0, column)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_procedures, 0, 0, 1)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, name)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_foreignkeys, 0, 0, 7)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, pk_qualifier)
	ZEND_ARG_INFO(0, pk_owner)
	ZEND_ARG_INFO(0, pk_table)
	ZEND_ARG_INFO(0, fk_qualifier)
	ZEND_ARG_INFO(0, fk_owner)
	ZEND_ARG_INFO(0, fk_table)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_specialcolumns, 0, 0, 7)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, type)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, table)
	ZEND_ARG_INFO(0, scope)
	ZEND_ARG_INFO(0, nullable)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_statistics, 0, 0, 6)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, name)
	ZEND_ARG_INFO(0, unique)
	ZEND_ARG_INFO(0, accuracy)
ZEND_END_ARG_INFO()

#if !defined(HAVE_DBMAKER) && !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) &&!defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)
ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_tableprivileges, 0, 0, 4)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, qualifier)
	ZEND_ARG_INFO(0, owner)
	ZEND_ARG_INFO(0, name)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_odbc_columnprivileges, 0, 0, 5)
	ZEND_ARG_INFO(0, connection_id)
	ZEND_ARG_INFO(0, catalog)
	ZEND_ARG_INFO(0, schema)
	ZEND_ARG_INFO(0, table)
	ZEND_ARG_INFO(0, column)
ZEND_END_ARG_INFO()
#endif
/* }}} */

/* {{{ odbc_functions[]
 */
const zend_function_entry odbc_functions[] = {
	PHP_FE(odbc_autocommit, arginfo_odbc_autocommit)
	PHP_FE(odbc_binmode, arginfo_odbc_binmode)
	PHP_FE(odbc_close, arginfo_odbc_close)
	PHP_FE(odbc_close_all, arginfo_odbc_close_all)
	PHP_FE(odbc_columns, arginfo_odbc_columns)
	PHP_FE(odbc_commit, arginfo_odbc_commit)
	PHP_FE(odbc_connect, arginfo_odbc_connect)
	PHP_FE(odbc_cursor, arginfo_odbc_cursor)
#ifdef HAVE_SQLDATASOURCES
	PHP_FE(odbc_data_source, arginfo_odbc_data_source)
#endif
	PHP_FE(odbc_execute, arginfo_odbc_execute)
	PHP_FE(odbc_error, arginfo_odbc_error)
	PHP_FE(odbc_errormsg, arginfo_odbc_errormsg)
	PHP_FE(odbc_exec, arginfo_odbc_exec)
#ifdef PHP_ODBC_HAVE_FETCH_HASH
	PHP_FE(odbc_fetch_array, arginfo_odbc_fetch_array)
	PHP_FE(odbc_fetch_object, arginfo_odbc_fetch_object)
#endif
	PHP_FE(odbc_fetch_row, arginfo_odbc_fetch_row)
	PHP_FE(odbc_fetch_into, arginfo_odbc_fetch_into)
	PHP_FE(odbc_field_len, arginfo_odbc_field_len)
	PHP_FE(odbc_field_scale, arginfo_odbc_field_scale)
	PHP_FE(odbc_field_name, arginfo_odbc_field_name)
	PHP_FE(odbc_field_type, arginfo_odbc_field_type)
	PHP_FE(odbc_field_num, arginfo_odbc_field_num)
	PHP_FE(odbc_free_result, arginfo_odbc_free_result)
	PHP_FE(odbc_gettypeinfo, arginfo_odbc_gettypeinfo)
	PHP_FE(odbc_longreadlen, arginfo_odbc_longreadlen)
#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30)
	PHP_FE(odbc_next_result, arginfo_odbc_next_result)
#endif
	PHP_FE(odbc_num_fields, arginfo_odbc_num_fields)
	PHP_FE(odbc_num_rows, arginfo_odbc_num_rows)
	PHP_FE(odbc_pconnect, arginfo_odbc_pconnect)
	PHP_FE(odbc_prepare, arginfo_odbc_prepare)
	PHP_FE(odbc_result, arginfo_odbc_result)
	PHP_FE(odbc_result_all, arginfo_odbc_result_all)
	PHP_FE(odbc_rollback, arginfo_odbc_rollback)
	PHP_FE(odbc_setoption, arginfo_odbc_setoption)
	PHP_FE(odbc_specialcolumns, arginfo_odbc_specialcolumns)
	PHP_FE(odbc_statistics, arginfo_odbc_statistics)
	PHP_FE(odbc_tables, arginfo_odbc_tables)
	PHP_FE(odbc_primarykeys, arginfo_odbc_primarykeys)
#if !defined(HAVE_DBMAKER) && !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) &&!defined(HAVE_SOLID_35) && !defined(HAVE_BIRDSTEP)    /* not supported now */
	PHP_FE(odbc_columnprivileges, arginfo_odbc_columnprivileges)
	PHP_FE(odbc_tableprivileges, arginfo_odbc_tableprivileges)
#endif
#if !defined(HAVE_SOLID) && !defined(HAVE_SOLID_30) && !defined(HAVE_SOLID_35) /* not supported */
	PHP_FE(odbc_foreignkeys, arginfo_odbc_foreignkeys)
	PHP_FE(odbc_procedures, arginfo_odbc_procedures)
#if !defined(HAVE_BIRDSTEP)
	PHP_FE(odbc_procedurecolumns, arginfo_odbc_procedurecolumns)
#endif
#endif
	PHP_FALIAS(odbc_do, odbc_exec, arginfo_odbc_exec)
	PHP_FALIAS(odbc_field_precision, odbc_field_len, arginfo_odbc_field_len)
	{ NULL, NULL, NULL }
};
/* }}} */

ZEND_DECLARE_MODULE_GLOBALS(odbc);
static PHP_GINIT_FUNCTION(odbc);

/* {{{ odbc_module_entry
 */
zend_module_entry odbc_module_entry = {
	STANDARD_MODULE_HEADER,
	"odbc", 
	odbc_functions, 
	PHP_MINIT(odbc), 
	PHP_MSHUTDOWN(odbc),
	PHP_RINIT(odbc), 
	PHP_RSHUTDOWN(odbc), 
	PHP_MINFO(odbc), 
	"1.0",
	PHP_MODULE_GLOBALS(odbc),
	PHP_GINIT(odbc),
	NULL,
	NULL,
	STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */

#ifdef COMPILE_DL_ODBC
ZEND_GET_MODULE(odbc)
#endif

/* {{{ _free_odbc_result
 */
static void _free_odbc_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
	odbc_result *res = (odbc_result *)rsrc->ptr;
	int i;
	RETCODE rc;
	
	if (res) {
		if (res->values) {
			for(i = 0; i < res->numcols; i++) {
				if (res->values[i].value)
					efree(res->values[i].value);
			}
			efree(res->values);
			res->values = NULL;
		}
		if (res->stmt) {
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_SOLID_35)
			SQLTransact(res->conn_ptr->henv, res->conn_ptr->hdbc,
						(SQLUSMALLINT) SQL_COMMIT);
#endif
			rc = SQLFreeStmt(res->stmt,SQL_DROP);
			/* We don't want the connection to be closed after the last statment has been closed
			 * Connections will be closed on shutdown
			 * zend_list_delete(res->conn_ptr->id);
			 */
		}
		efree(res);
	}
}
/* }}} */

/* {{{ safe_odbc_disconnect
 * disconnect, and if it fails, then issue a rollback for any pending transaction (lurcher)
 */
static void safe_odbc_disconnect( void *handle )
{
	int ret;

	ret = SQLDisconnect( handle );
	if ( ret == SQL_ERROR )
	{
		SQLTransact( NULL, handle, SQL_ROLLBACK );
		SQLDisconnect( handle );
	}
}
/* }}} */

/* {{{ _close_odbc_conn
 */
static void _close_odbc_conn(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
	int i, nument, type;
	void *ptr;
	odbc_result *res;

	odbc_connection *conn = (odbc_connection *)rsrc->ptr;

	nument = zend_hash_next_free_element(&EG(regular_list));
	for(i = 1; i < nument; i++) {
		ptr = zend_list_find(i, &type);
		if (ptr && (type == le_result)) {
			res = (odbc_result *)ptr;
			if (res->conn_ptr == conn) {
				zend_list_delete(i);
			}
		}
	}

   	safe_odbc_disconnect(conn->hdbc);
	SQLFreeConnect(conn->hdbc);
	SQLFreeEnv(conn->henv);
	efree(conn);
	ODBCG(num_links)--;
}
/* }}} */

/* {{{ void _close_odbc_pconn
 */
static void _close_odbc_pconn(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
	int i, nument, type;
	void *ptr;
	odbc_result *res;
	odbc_connection *conn = (odbc_connection *)rsrc->ptr;

	nument = zend_hash_next_free_element(&EG(persistent_list));
	for(i = 1; i < nument; i++) {
		ptr = zend_list_find(i, &type);
		if (ptr && (type == le_result)) {
			res = (odbc_result *)ptr;
			if (res->conn_ptr == conn) {
				zend_list_delete(i);
			}
		}
	}
	
	safe_odbc_disconnect(conn->hdbc);
	SQLFreeConnect(conn->hdbc);
	SQLFreeEnv(conn->henv);
	free(conn);

	ODBCG(num_links)--;
	ODBCG(num_persistent)--;
}
/* }}} */

/* {{{ PHP_INI_DISP(display_link_nums)
 */
static PHP_INI_DISP(display_link_nums)
{
	char *value;
	TSRMLS_FETCH();

	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ini_entry->orig_value;
	} else if (ini_entry->value) {
		value = ini_entry->value;
	} else {
		value = NULL;
	}

	if (value) {
		if (atoi(value) == -1) {
			PUTS("Unlimited");
		} else {
			php_printf("%s", value);
		}
	}
}
/* }}} */

/* {{{ PHP_INI_DISP(display_defPW)
 */
static PHP_INI_DISP(display_defPW)
{
	char *value;
	TSRMLS_FETCH();

	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ini_entry->orig_value;
	} else if (ini_entry->value) {
		value = ini_entry->value;
	} else {
		value = NULL;
	}

	if (value) {
#if PHP_DEBUG
		php_printf("%s", value);
#else
		PUTS("********");
#endif
	} else {
		if (PG(html_errors)) {
			PUTS("<i>no value</i>");
		} else {
			PUTS("no value");
		}
	}
}
/* }}} */

/* {{{ PHP_INI_DISP(display_binmode)
 */
static PHP_INI_DISP(display_binmode)
{
	char *value;
	TSRMLS_FETCH();
	
	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ini_entry->orig_value;
	} else if (ini_entry->value) {
		value = ini_entry->value;
	} else {
		value = NULL;
	}

	if (value) {
		switch(atoi(value)) {
			case 0:
				PUTS("passthru");
				break;
			case 1:
				PUTS("return as is");
				break;
			case 2:
				PUTS("return as char");
				break;
		}
	}
}
/* }}} */

/* {{{ PHP_INI_DISP(display_lrl)
 */
static PHP_INI_DISP(display_lrl)
{
	char *value;
	TSRMLS_FETCH();

	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ini_entry->orig_value;
	} else if (ini_entry->value) {
		value = ini_entry->value;
	} else {
		value = NULL;
	}

	if (value) {
		if (atoi(value) <= 0) {
			PUTS("Passthru");
		} else {
			php_printf("return up to %s bytes", value);
		}
	}
}
/* }}} */


/* {{{ PHP_INI_DISP(display_cursortype)
 */
static PHP_INI_DISP(display_cursortype)
{
	char *value;
	TSRMLS_FETCH();

	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ini_entry->orig_value;
	} else if (ini_entry->value) {
		value = ini_entry->value;
	} else {
		value = NULL;
	}

	if (value) {
		switch (atoi (value))
		  {
		    case SQL_CURSOR_FORWARD_ONLY:
				PUTS ("Forward Only cursor");
				break;

			case SQL_CURSOR_STATIC:
			    PUTS ("Static cursor");
				break;

			case SQL_CURSOR_KEYSET_DRIVEN:
				PUTS ("Keyset driven cursor");
				break;

			case SQL_CURSOR_DYNAMIC:
				PUTS ("Dynamic cursor");
				break;

			default:
				php_printf("Unknown cursor model %s", value);
				break;
		  }
	}
}

/* }}} */

/* {{{ PHP_INI_BEGIN 
 */
PHP_INI_BEGIN()
	STD_PHP_INI_BOOLEAN("odbc.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong,
			allow_persistent, zend_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY_EX("odbc.max_persistent",  "-1", PHP_INI_SYSTEM, OnUpdateLong,
			max_persistent, zend_odbc_globals, odbc_globals, display_link_nums)
	STD_PHP_INI_ENTRY_EX("odbc.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong,
			max_links, zend_odbc_globals, odbc_globals, display_link_nums)
	STD_PHP_INI_ENTRY("odbc.default_db", NULL, PHP_INI_ALL, OnUpdateString,
			defDB, zend_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY("odbc.default_user", NULL, PHP_INI_ALL, OnUpdateString,
			defUser, zend_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY_EX("odbc.default_pw", NULL, PHP_INI_ALL, OnUpdateString,
			defPW, zend_odbc_globals, odbc_globals, display_defPW)
	STD_PHP_INI_ENTRY_EX("odbc.defaultlrl", "4096", PHP_INI_ALL, OnUpdateLong,
			defaultlrl, zend_odbc_globals, odbc_globals, display_lrl)
	STD_PHP_INI_ENTRY_EX("odbc.defaultbinmode", "1", PHP_INI_ALL, OnUpdateLong,
			defaultbinmode, zend_odbc_globals, odbc_globals, display_binmode)
	STD_PHP_INI_BOOLEAN("odbc.check_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong,
			check_persistent, zend_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY_EX("odbc.default_cursortype", "3", PHP_INI_ALL, OnUpdateLong, 
			default_cursortype, zend_odbc_globals, odbc_globals, display_cursortype)
PHP_INI_END()
/* }}} */

static PHP_GINIT_FUNCTION(odbc)
{
	odbc_globals->num_persistent = 0;
}

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(odbc)
{
#ifdef SQLANY_BUG
	ODBC_SQL_CONN_T foobar;
	RETCODE rc;
#endif

	REGISTER_INI_ENTRIES();
	le_result = zend_register_list_destructors_ex(_free_odbc_result, NULL, "odbc result", module_number);
	le_conn = zend_register_list_destructors_ex(_close_odbc_conn, NULL, "odbc link", module_number);
	le_pconn = zend_register_list_destructors_ex(NULL, _close_odbc_pconn, "odbc link persistent", module_number);
	Z_TYPE(odbc_module_entry) = type;
	
	REGISTER_STRING_CONSTANT("ODBC_TYPE", PHP_ODBC_TYPE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("ODBC_BINMODE_PASSTHRU", 0, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("ODBC_BINMODE_RETURN", 1, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("ODBC_BINMODE_CONVERT", 2, CONST_CS | CONST_PERSISTENT);
	/* Define Constants for options
	   these Constants are defined in <sqlext.h>
	*/
	REGISTER_LONG_CONSTANT("SQL_ODBC_CURSORS", SQL_ODBC_CURSORS, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CUR_USE_DRIVER", SQL_CUR_USE_DRIVER, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CUR_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CUR_USE_ODBC", SQL_CUR_USE_ODBC, CONST_PERSISTENT | CONST_CS);


	REGISTER_LONG_CONSTANT("SQL_CONCURRENCY", SQL_CONCURRENCY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CONCUR_READ_ONLY", SQL_CONCUR_READ_ONLY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CONCUR_LOCK", SQL_CONCUR_LOCK, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CONCUR_ROWVER", SQL_CONCUR_ROWVER, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CONCUR_VALUES", SQL_CONCUR_VALUES, CONST_PERSISTENT | CONST_CS);

	REGISTER_LONG_CONSTANT("SQL_CURSOR_TYPE", SQL_CURSOR_TYPE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CURSOR_FORWARD_ONLY", SQL_CURSOR_FORWARD_ONLY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CURSOR_KEYSET_DRIVEN", SQL_CURSOR_KEYSET_DRIVEN, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CURSOR_DYNAMIC", SQL_CURSOR_DYNAMIC, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_CURSOR_STATIC", SQL_CURSOR_STATIC, CONST_PERSISTENT | CONST_CS);
	
	REGISTER_LONG_CONSTANT("SQL_KEYSET_SIZE", SQL_KEYSET_SIZE, CONST_PERSISTENT | CONST_CS);

	/* these are for the Data Source type */
	REGISTER_LONG_CONSTANT("SQL_FETCH_FIRST", SQL_FETCH_FIRST, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_FETCH_NEXT", SQL_FETCH_NEXT, CONST_PERSISTENT | CONST_CS);

	/*
	 * register the standard data types
	 */
	REGISTER_LONG_CONSTANT("SQL_CHAR", SQL_CHAR, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_VARCHAR", SQL_VARCHAR, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_LONGVARCHAR", SQL_LONGVARCHAR, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_DECIMAL", SQL_DECIMAL, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_NUMERIC", SQL_NUMERIC, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_BIT", SQL_BIT, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_TINYINT", SQL_TINYINT, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_SMALLINT", SQL_SMALLINT, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_INTEGER", SQL_INTEGER, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_BIGINT", SQL_BIGINT, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_REAL", SQL_REAL, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_FLOAT", SQL_FLOAT, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_DOUBLE", SQL_DOUBLE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_BINARY", SQL_BINARY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_VARBINARY", SQL_VARBINARY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_LONGVARBINARY", SQL_LONGVARBINARY, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_DATE", SQL_DATE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_TIME", SQL_TIME, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_TIMESTAMP", SQL_TIMESTAMP, CONST_PERSISTENT | CONST_CS);
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
	REGISTER_LONG_CONSTANT("SQL_TYPE_DATE", SQL_TYPE_DATE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_TYPE_TIME", SQL_TYPE_TIME, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_TYPE_TIMESTAMP", SQL_TYPE_TIMESTAMP, CONST_PERSISTENT | CONST_CS);

	/*
	 * SQLSpecialColumns values
	 */
	REGISTER_LONG_CONSTANT("SQL_BEST_ROWID", SQL_BEST_ROWID, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_ROWVER", SQL_ROWVER, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_SCOPE_CURROW", SQL_SCOPE_CURROW, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_SCOPE_TRANSACTION", SQL_SCOPE_TRANSACTION, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_SCOPE_SESSION", SQL_SCOPE_SESSION, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_NO_NULLS", SQL_NO_NULLS, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_NULLABLE", SQL_NULLABLE, CONST_PERSISTENT | CONST_CS);

	/*
	 * SQLStatistics values
	 */
	REGISTER_LONG_CONSTANT("SQL_INDEX_UNIQUE", SQL_INDEX_UNIQUE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_INDEX_ALL", SQL_INDEX_ALL, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_ENSURE", SQL_ENSURE, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_QUICK", SQL_QUICK, CONST_PERSISTENT | CONST_CS);
#endif

#if defined(HAVE_IBMDB2) && defined(_AIX)
	/* atexit() handler in the DB2/AIX library segfaults in PHP CLI */
	/* DB2NOEXITLIST env variable prevents DB2 from invoking atexit() */
	putenv("DB2NOEXITLIST=TRUE");
#endif

	return SUCCESS;
}
/* }}} */

/* {{{ PHP_RINIT_FUNCTION */
PHP_RINIT_FUNCTION(odbc)
{
	ODBCG(defConn) = -1;
	ODBCG(num_links) = ODBCG(num_persistent);
	memset(ODBCG(laststate), '\0', 6);
	memset(ODBCG(lasterrormsg), '\0', SQL_MAX_MESSAGE_LENGTH);
	return SUCCESS;
}
/* }}} */

/* {{{ PHP_RSHUTDOWN_FUNCTION */
PHP_RSHUTDOWN_FUNCTION(odbc)
{
	return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(odbc)
{
	UNREGISTER_INI_ENTRIES();
	return SUCCESS;
}
/* }}} */

/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(odbc)
{
	char buf[32];

	php_info_print_table_start();
	php_info_print_table_header(2, "ODBC Support", "enabled");
	snprintf(buf, sizeof(buf), "%ld", ODBCG(num_persistent));
	php_info_print_table_row(2, "Active Persistent Links", buf);
	snprintf(buf, sizeof(buf), "%ld", ODBCG(num_links));
	php_info_print_table_row(2, "Active Links", buf);
	php_info_print_table_row(2, "ODBC library", PHP_ODBC_TYPE);
#ifndef PHP_WIN32
	php_info_print_table_row(2, "ODBC_INCLUDE", PHP_ODBC_INCLUDE);
	php_info_print_table_row(2, "ODBC_LFLAGS", PHP_ODBC_LFLAGS);
	php_info_print_table_row(2, "ODBC_LIBS", PHP_ODBC_LIBS);
#endif
	php_info_print_table_end();

	DISPLAY_INI_ENTRIES();

}	 
/* }}} */

/* {{{ odbc_sql_error */
void odbc_sql_error(ODBC_SQL_ERROR_PARAMS)
{
	char   	    state[6];
	SQLINTEGER	error;        /* Not used */
	char   	    errormsg[SQL_MAX_MESSAGE_LENGTH];
	SQLSMALLINT	errormsgsize; /* Not used */
	RETCODE rc;
	ODBC_SQL_ENV_T henv;
	ODBC_SQL_CONN_T conn;
	TSRMLS_FETCH();

	if (conn_resource) {
		henv = conn_resource->henv;
		conn = conn_resource->hdbc;
	} else {
		henv = SQL_NULL_HENV;
		conn = SQL_NULL_HDBC;
	}

	/* This leads to an endless loop in many drivers! 
	 *
	   while(henv != SQL_NULL_HENV){
		do {
	 */
	rc = SQLError(henv, conn, stmt, state, &error, errormsg, sizeof(errormsg)-1, &errormsgsize);
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		snprintf(state, sizeof(state), "HY000");
		snprintf(errormsg, sizeof(errormsg), "Failed to fetch error message");
	}
	if (conn_resource) {
		memcpy(conn_resource->laststate, state, sizeof(state));
		memcpy(conn_resource->lasterrormsg, errormsg, sizeof(errormsg));
	}
	memcpy(ODBCG(laststate), state, sizeof(state));
	memcpy(ODBCG(lasterrormsg), errormsg, sizeof(errormsg));
	if (func) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s in %s", errormsg, state, func);
	} else {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
	}
	/*		
		} while (SQL_SUCCEEDED(rc));
	}
	*/
}
/* }}} */

/* {{{ php_odbc_fetch_attribs */
void php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
	odbc_result *result;
	zval *pv_res;
	long flag;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &pv_res, &flag) == FAILURE) {
		return;
	}
	
	if (Z_LVAL_P(pv_res)) {
		ZEND_FETCH_RESOURCE(result, odbc_result *, &pv_res, -1, "ODBC result", le_result);
        if (mode) {
            result->longreadlen = flag;
        } else {
            result->binmode = flag;
		}
	} else {
        if (mode) {
            ODBCG(defaultlrl) = flag;
        } else {
            ODBCG(defaultbinmode) = flag;
		}
	}
	RETURN_TRUE;
}
/* }}} */

/* {{{ odbc_bindcols */
int odbc_bindcols(odbc_result *result TSRMLS_DC)
{
	RETCODE rc;
	int i;
	SQLSMALLINT colnamelen; /* Not used */
	SQLLEN      displaysize;

	result->values = (odbc_result_value *) safe_emalloc(sizeof(odbc_result_value), result->numcols, 0);

	result->longreadlen = ODBCG(defaultlrl);
	result->binmode = ODBCG(defaultbinmode);

	for(i = 0; i < result->numcols; i++) {
		rc = SQLColAttributes(result->stmt, (SQLUSMALLINT)(i+1), SQL_COLUMN_NAME, 
				result->values[i].name, sizeof(result->values[i].name), &colnamelen, 0);
		rc = SQLColAttributes(result->stmt, (SQLUSMALLINT)(i+1), SQL_COLUMN_TYPE, 
				NULL, 0, NULL, &result->values[i].coltype);
		
		/* Don't bind LONG / BINARY columns, so that fetch behaviour can
		 * be controlled by odbc_binmode() / odbc_longreadlen()
		 */
		
		switch(result->values[i].coltype) {
			case SQL_BINARY:
			case SQL_VARBINARY:
			case SQL_LONGVARBINARY:
			case SQL_LONGVARCHAR:
				result->values[i].value = NULL;
				break;
				
#ifdef HAVE_ADABAS
			case SQL_TIMESTAMP:
				result->values[i].value = (char *)emalloc(27);
				SQLBindCol(result->stmt, (SQLUSMALLINT)(i+1), SQL_C_CHAR, result->values[i].value,
							27, &result->values[i].vallen);
				break;
#endif /* HAVE_ADABAS */
			default:
				rc = SQLColAttributes(result->stmt, (SQLUSMALLINT)(i+1), SQL_COLUMN_DISPLAY_SIZE,
									NULL, 0, NULL, &displaysize);
				displaysize = displaysize <= result->longreadlen ? displaysize : 
								result->longreadlen;
				/* Workaround for Oracle ODBC Driver bug (#50162) when fetching TIMESTAMP column */
				if (result->values[i].coltype == SQL_TIMESTAMP) {
					displaysize += 3;
				}
				result->values[i].value = (char *)emalloc(displaysize + 1);
				rc = SQLBindCol(result->stmt, (SQLUSMALLINT)(i+1), SQL_C_CHAR, result->values[i].value,
							displaysize + 1, &result->values[i].vallen);
				break;
		}
	}
	return 1;
}
/* }}} */

/* {{{ odbc_transact */
void odbc_transact(INTERNAL_FUNCTION_PARAMETERS, int type)
{
	odbc_connection *conn;
	RETCODE rc;
	zval *pv_conn;
	
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &pv_conn) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE2(conn, odbc_connection *, &pv_conn, -1, "ODBC-Link", le_conn, le_pconn);
	
	rc = SQLTransact(conn->henv, conn->hdbc, (SQLUSMALLINT)((type)?SQL_COMMIT:SQL_ROLLBACK));
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLTransact");
		RETURN_FALSE;
	}

	RETURN_TRUE;
}
/* }}} */

/* {{{ _close_pconn_with_id */
static int _close_pconn_with_id(zend_rsrc_list_entry *le, int *id TSRMLS_DC)
{
	if(Z_TYPE_P(le) == le_pconn && (((odbc_connection *)(le->ptr))->id == *id)){
		return 1;
	}else{
		return 0;
	}
}
/* }}} */

/* {{{ odbc_column_lengths */
void odbc_column_lengths(INTERNAL_FUNCTION_PARAMETERS, int type)
{
	odbc_result *result;
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30)
	/* this seems to be necessary for Solid2.3 ( tested by 
	 * tammy@synchronis.com) and Solid 3.0 (tested by eric@terra.telemediair.nl)
	 * Solid does not seem to declare a SQLINTEGER, but it does declare a
	 * SQL_INTEGER which does not work (despite being the same type as a SDWORD.
	 * Solid 3.5 does not have this issue.
	 */
	SDWORD len;
#else
	SQLLEN len;
#endif
	zval *pv_res;
	long pv_num;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &pv_res, &pv_num) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(result, odbc_result *, &pv_res, -1, "ODBC result", le_result);

	if (result->numcols == 0) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}

	if (pv_num > result->numcols) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field index larger than number of fields");
		RETURN_FALSE;
	}

	if (pv_num < 1) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Field numbering starts at 1");
		RETURN_FALSE;
	}

	SQLColAttributes(result->stmt, (SQLUSMALLINT)pv_num, (SQLUSMALLINT) (type?SQL_COLUMN_SCALE:SQL_COLUMN_PRECISION), NULL, 0, NULL, &len);

	RETURN_LONG(len);
}
/* }}} */

/* Main User Functions */

/* {{{ proto void odbc_close_all(void)
   Close all ODBC connections */
PHP_FUNCTION(odbc_close_all)
{
	void *ptr;
	int type;
	int i;
	int nument;

	if (zend_parse_parameters_none() == FAILURE) {
		return;
	}

	nument = zend_hash_next_free_element(&EG(regular_list));
	
	/* Loop through list and close all statements */
	for(i = 1; i < nument; i++) {
		ptr = zend_list_find(i, &type);
		if (ptr && (type == le_result)){
			zend_list_delete(i);
		}
	}

	/* Second loop through list, now close all connections */
	nument = zend_hash_next_free_element(&EG(regular_list));
	
	for(i = 1; i < nument; i++) {
		ptr = zend_list_find(i, &type);
		if (ptr){
			if(type == le_conn){
				zend_list_delete(i);
			}else if(type == le_pconn){
				zend_list_delete(i);
				/* Delete the persistent connection */
				zend_hash_apply_with_argument(&EG(persistent_list), 
					(apply_func_arg_t) _close_pconn_with_id, (void *) &i TSRMLS_CC);
			}
		}
	}
}
/* }}} */

/* {{{ proto bool odbc_binmode(int result_id, int mode)
   Handle binary column data */
PHP_FUNCTION(odbc_binmode)
{
	php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto bool odbc_longreadlen(int result_id, int length)
   Handle LONG columns */
PHP_FUNCTION(odbc_longreadlen)
{
	php_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ proto resource odbc_prepare(resource connection_id, string query)
   Prepares a statement for execution */
PHP_FUNCTION(odbc_prepare)
{
	zval *pv_conn;
	char *query;
	int query_len;
	odbc_result *result = NULL;
	odbc_connection *conn;
	RETCODE rc;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLUINTEGER      scrollopts;
#endif

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &pv_conn, &query, &query_len) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE2(conn, odbc_connection *, &pv_conn, -1, "ODBC-Link", le_conn, le_pconn);

	result = (odbc_result *)ecalloc(1, sizeof(odbc_result));
	
	result->numparams = 0;
	
	rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
	if (rc == SQL_INVALID_HANDLE) {
		efree(result);
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
		RETURN_FALSE;
	}

	if (rc == SQL_ERROR) {
		odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
		efree(result);
		RETURN_FALSE;
	}

#ifdef HAVE_SQL_EXTENDED_FETCH
	/* Solid doesn't have ExtendedFetch, if DriverManager is used, get Info,
	   whether Driver supports ExtendedFetch */
	rc = SQLGetInfo(conn->hdbc, SQL_FETCH_DIRECTION, (void *) &scrollopts, sizeof(scrollopts), NULL);
	if (rc == SQL_SUCCESS) {
		if ((result->fetch_abs = (scrollopts & SQL_FD_FETCH_ABSOLUTE))) {
			/* Try to set CURSOR_TYPE to dynamic. Driver will replace this with other
			   type if not possible.
			*/
			SQLSetStmtOption(result->stmt, SQL_CURSOR_TYPE, ODBCG(default_cursortype));
		}
	} else {
		result->fetch_abs = 0;
	}
#endif

	rc = SQLPrepare(result->stmt, query, SQL_NTS);
	switch (rc) {
		case SQL_SUCCESS:
			break;
		case SQL_SUCCESS_WITH_INFO:
			odbc_sql_error(conn, result->stmt, "SQLPrepare");
			break;
		default:
			odbc_sql_error(conn, result->stmt, "SQLPrepare");
			RETURN_FALSE;
	}
	
	SQLNumParams(result->stmt, &(result->numparams));
	SQLNumResultCols(result->stmt, &(result->numcols));

	if (result->numcols > 0) {
		if (!odbc_bindcols(result TSRMLS_CC)) {
			efree(result);
			RETURN_FALSE;
		}
	} else {
		result->values = NULL;
	}
	zend_list_addref(conn->id);
	result->conn_ptr = conn;
	result->fetched = 0;
	ZEND_REGISTER_RESOURCE(return_value, result, le_result);  
}
/* }}} */

/*
 * Execute prepared SQL statement. Supports only input parameters.
 */

/* {{{ proto bool odbc_execute(resource result_id [, array parameters_array])
   Execute a prepared statement */
PHP_FUNCTION(odbc_execute)
{ 
	zval *pv_res, *pv_param_arr, **tmp;
	typedef struct params_t {
		SQLLEN vallen;
		int fp;
	} params_t;
	params_t *params = NULL;
	char *filename;
	unsigned char otype;
   	SQLSMALLINT sqltype, ctype, scale;
	SQLSMALLINT nullable;
	SQLULEN precision;
   	odbc_result *result;
	int numArgs, i, ne;
	RETCODE rc;
	
	numArgs = ZEND_NUM_ARGS();
	
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|a", &pv_res, &pv_param_arr) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(result, odbc_result *, &pv_res, -1, "ODBC result", le_result);
	
	/* XXX check for already bound parameters*/
	if (result->numparams > 0 && numArgs == 1) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "No parameters to SQL statement given");
		RETURN_FALSE;
	}

	if (result->numparams > 0) {
		if ((ne = zend_hash_num_elements(Z_ARRVAL_P(pv_param_arr))) < result->numparams) {
			php_error_docref(NULL TSRMLS_CC, E_WARNING,"Not enough parameters (%d should be %d) given", ne, result->numparams);
			RETURN_FALSE;
		}

		zend_hash_internal_pointer_reset(Z_ARRVAL_P(pv_param_arr));
		params = (params_t *)safe_emalloc(sizeof(params_t), result->numparams, 0);
		for(i = 0; i < result->numparams; i++) {
			params[i].fp = -1;
		}
		
		for(i = 1; i <= result->numparams; i++) {
			if (zend_hash_get_current_data(Z_ARRVAL_P(pv_param_arr), (void **) &tmp) == FAILURE) {
				php_error_docref(NULL TSRMLS_CC, E_WARNING,"Error getting parameter");
				SQLFreeStmt(result->stmt,SQL_RESET_PARAMS);
				for (i = 0; i < result->numparams; i++) {
					if (params[i].fp != -1) {
						close(params[i].fp);
					}
				}
				efree(params);
				RETURN_FALSE;
			}

			otype = (*tmp)->type;
			convert_to_string_ex(tmp);
			if (Z_TYPE_PP(tmp) != IS_STRING) {
				php_error_docref(NULL TSRMLS_CC, E_WARNING,"Error converting parameter");
				SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
				for (i = 0; i < result->numparams; i++) {
					if (params[i].fp != -1) {
						close(params[i].fp);
					}
				}
				efree(params);
				RETURN_FALSE;
			}
			
			rc = SQLDescribeParam(result->stmt, (SQLUSMALLINT)i, &sqltype, &precision, &scale, &nullable);
			params[i-1].vallen = Z_STRLEN_PP(tmp);
			params[i-1].fp = -1;
			if (rc == SQL_ERROR) {
				odbc_sql_error(result->conn_ptr, result->stmt, "SQLDescribeParameter");	
				SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
				for (i = 0; i < result->numparams; i++) {
					if (params[i].fp != -1) {
						close(params[i].fp);
					}
				}
				efree(params);
				RETURN_FALSE;
			}

			if (IS_SQL_BINARY(sqltype)) {
				ctype = SQL_C_BINARY;
			} else {
				ctype = SQL_C_CHAR;
			}

			if (Z_STRLEN_PP(tmp) > 2 &&
				Z_STRVAL_PP(tmp)[0] == '\'' &&
				Z_STRVAL_PP(tmp)[Z_STRLEN_PP(tmp) - 1] == '\'') {
				if (strlen(tmp) != Z_STRLEN_PP(tmp)) {
					RETURN_FALSE;
				}

				filename = estrndup(&Z_STRVAL_PP(tmp)[1], Z_STRLEN_PP(tmp) - 2);

				/* Check the basedir */
				if (php_check_open_basedir(filename TSRMLS_CC)) {
					efree(filename);
					SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
					for (i = 0; i < result->numparams; i++) {
						if (params[i].fp != -1) {
							close(params[i].fp);
						}
					}
					efree(params);
					RETURN_FALSE;
				}

				if ((params[i-1].fp = open(filename,O_RDONLY)) == -1) {
					php_error_docref(NULL TSRMLS_CC, E_WARNING,"Can't open file %s", filename);
					SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
					for (i = 0; i < result->numparams; i++) {
						if (params[i].fp != -1) {
							close(params[i].fp);
						}
					}
					efree(params);
					efree(filename);
					RETURN_FALSE;
				}

				efree(filename);

				params[i-1].vallen = SQL_LEN_DATA_AT_EXEC(0);

				rc = SQLBindParameter(result->stmt, (SQLUSMALLINT)i, SQL_PARAM_INPUT,
									  ctype, sqltype, precision, scale,
									  (void *)params[i-1].fp, 0,
									  &params[i-1].vallen);
			} else {
#ifdef HAVE_DBMAKER
				precision = params[i-1].vallen;
#endif
				if (otype == IS_NULL) {
					params[i-1].vallen = SQL_NULL_DATA;
				}

				rc = SQLBindParameter(result->stmt, (SQLUSMALLINT)i, SQL_PARAM_INPUT,
									  ctype, sqltype, precision, scale,
									  Z_STRVAL_PP(tmp), 0,
									  &params[i-1].vallen);
			}
			if (rc == SQL_ERROR) {
				odbc_sql_error(result->conn_ptr, result->stmt, "SQLBindParameter");	
				SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
				for (i = 0; i < result->numparams; i++) {
					if (params[i].fp != -1) {
						close(params[i].fp);
					}
				}
				efree(params);
				RETURN_FALSE;
			}
			zend_hash_move_forward(Z_ARRVAL_P(pv_param_arr));
		}
	}
	/* Close cursor, needed for doing multiple selects */
	rc = SQLFreeStmt(result->stmt, SQL_CLOSE);

	if (rc == SQL_ERROR) {
		odbc_sql_error(result->conn_ptr, result->stmt, "SQLFreeStmt");	
	}

	rc = SQLExecute(result->stmt);

	result->fetched = 0;
	if (rc == SQL_NEED_DATA) {
		char buf[4096];
		int fp, nbytes;
		while (rc == SQL_NEED_DATA) {
			rc = SQLParamData(result->stmt, (void*)&fp);
			if (rc == SQL_NEED_DATA) {
				while ((nbytes = read(fp, &buf, 4096)) > 0) {
					SQLPutData(result->stmt, (void*)&buf, nbytes);
				}
			}
		}
	} else {
		switch (rc) {
			case SQL_SUCCESS:
				break;
			case SQL_NO_DATA_FOUND:
			case SQL_SUCCESS_WITH_INFO:
				odbc_sql_error(result->conn_ptr, result->stmt, "SQLExecute");
				break;
			default:
				odbc_sql_error(result->conn_ptr, result->stmt, "SQLExecute");
				RETVAL_FALSE;
		}
	}	
	
	if (result->numparams > 0) {
		SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
		for(i = 0; i < result->numparams; i++) {
			if (params[i].fp != -1) {
				close(params[i].fp);
			}
		}
		efree(params);
	}

	if (rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO || rc == SQL_NO_DATA_FOUND) {
		RETVAL_TRUE;
	}

	if (result->numcols == 0) {
		SQLNumResultCols(result->stmt, &(result->numcols));

		if (result->numcols > 0) {
			if (!odbc_bindcols(result TSRMLS_CC)) {
				efree(result);
				RETVAL_FALSE;
			}
		} else {
			result->values = NULL;
		}
	}
}
/* }}} */

/* {{{ proto string odbc_cursor(resource result_id)
   Get cursor name */
PHP_FUNCTION(odbc_cursor)
{
	zval *pv_res;
	SQLUSMALLINT max_len;
	SQLSMALLINT len;
	char *cursorname;
   	odbc_result *result;
	RETCODE rc;
	
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &pv_res) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(result, odbc_result *, &pv_res, -1, "ODBC result", le_result);

	rc = SQLGetInfo(result->conn_ptr->hdbc,SQL_MAX_CURSOR_NAME_LEN, (void *)&max_len,sizeof(max_len),&len);
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		RETURN_FALSE;
	}
	
	if (max_len > 0) {
		cursorname = emalloc(max_len + 1);
		rc = SQLGetCursorName(result->stmt,cursorname,(SQLSMALLINT)max_len,&len);
		if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
			char        state[6];     /* Not used */
	 		SQLINTEGER  error;        /* Not used */
			char        errormsg[SQL_MAX_MESSAGE_LENGTH];
			SQLSMALLINT errormsgsize; /* Not used */

			SQLError( result->conn_ptr->henv, result->conn_ptr->hdbc,
						result->stmt, state, &error, errormsg,
						sizeof(errormsg)-1, &errormsgsize);
			if (!strncmp(state,"S1015",5)) {
				snprintf(cursorname, max_len+1, "php_curs_%d", (int)result->stmt);
				if (SQLSetCursorName(result->stmt,cursorname,SQL_NTS) != SQL_SUCCESS) {
					odbc_sql_error(result->conn_ptr, result->stmt, "SQLSetCursorName");
					RETVAL_FALSE;
				} else {
					RETVAL_STRING(cursorname,1);
				}
			} else {
				php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
				RETVAL_FALSE;
			}
		} else {
			RETVAL_STRING(cursorname,1);
		}
		efree(cursorname);
	} else {
		RETVAL_FALSE;
	}
}
/* }}} */

#ifdef HAVE_SQLDATASOURCES
/* {{{ proto array odbc_data_source(resource connection_id, int fetch_type)
   Return information about the currently connected data source */
PHP_FUNCTION(odbc_data_source)
{
	zval *zv_conn;
	long zv_fetch_type;
	RETCODE rc = 0; /* assume all is good */
	odbc_connection *conn;
	UCHAR server_name[100], desc[200];
	SQLSMALLINT len1=0, len2=0, fetch_type;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zv_conn, &zv_fetch_type) == FAILURE) {
		return;
	}

	fetch_type = (SQLSMALLINT) zv_fetch_type;

	if (!(fetch_type == SQL_FETCH_FIRST || fetch_type == SQL_FETCH_NEXT)) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid fetch type (%d)", fetch_type);
		RETURN_FALSE;
	}

	ZEND_FETCH_RESOURCE2(conn, odbc_connection *, &zv_conn, -1, "ODBC-Link", le_conn, le_pconn);

	/* now we have the "connection" lets call the DataSource object */
	rc = SQLDataSources(conn->henv, 
			fetch_type,
			server_name,
			(SQLSMALLINT)sizeof(server_name),
			&len1,
			desc, 
			(SQLSMALLINT)sizeof(desc),
			&len2);

	if (rc != SQL_SUCCESS) {
		/* ummm.... he did it */
		odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLDataSources");
		RETURN_FALSE;
	}

	if (len1 == 0 || len2 == 0) {
		/* we have a non-valid entry... so stop the looping */
		RETURN_FALSE;
	}

	array_init(return_value);

	add_assoc_string_ex(return_value, "server", sizeof("server"), server_name, 1);
	add_assoc_string_ex(return_value, "description", sizeof("description"), desc, 1);

}
/* }}} */
#endif /* HAVE_SQLDATASOURCES */

/* {{{ proto resource odbc_exec(resource connection_id, string query [, int flags])
   Prepare and execute an SQL statement */
/* XXX Use flags */
PHP_FUNCTION(odbc_exec)
{
	zval *pv_conn;
	long pv_flags;
	char *query;
	int numArgs, query_len;
	odbc_result *result = NULL;
	odbc_connection *conn;
	RETCODE rc;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLUINTEGER      scrollopts;
#endif

	numArgs = ZEND_NUM_ARGS();
	
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &pv_conn, &query, &query_len, &pv_flags) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE2(conn, odbc_connection *, &pv_conn, -1, "ODBC-Link", le_conn, le_pconn);
		
	result = (odbc_result *)ecalloc(1, sizeof(odbc_result));

	rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
	if (rc == SQL_INVALID_HANDLE) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "SQLAllocStmt error 'Invalid Handle'");
		efree(result);
		RETURN_FALSE;
	}

	if (rc == SQL_ERROR) {
		odbc_sql_error(conn, SQL_NULL_HSTMT, "SQLAllocStmt");
		efree(result);
		RETURN_FALSE;
	}
	
#ifdef HAVE_SQL_EXTENDED_FETCH
	/* Solid doesn't have ExtendedFetch, if DriverManager is used, get Info,
	   whether Driver supports ExtendedFetch */
	rc = SQLGetInfo(conn->hdbc, SQL_FETCH_DIRECTION, (void *) &scrollopts, sizeof(scrollopts), NULL);
	if (rc == SQL_SUCCESS) {
		if ((result->fetch_abs = (scrollopts & SQL_FD_FETCH_ABSOLUTE))) {
			/* Try to set CURSOR_TYPE to dynamic. Driver will replace this with other
			   type if not possible.
			 */
			SQLSetStmtOption(result->stmt, SQL_CURSOR_TYPE, ODBCG(default_cursortype));
		}
	} else {
		result->fetch_abs = 0;
	}
#endif

	rc = SQLExecDirect(result->stmt, query, SQL_NTS);
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO && rc != SQL_NO_DATA_FOUND) { 
		/* XXX FIXME we should really check out SQLSTATE with SQLError
		 * in case rc is SQL_SUCCESS_WITH_INFO here.
		 */
		odbc_sql_error(conn, result->stmt, "SQLExecDirect"); 
		SQLFreeStmt(result->stmt, SQL_DROP);
		efree(result);
		RETURN_FALSE;
	}

	SQLNumResultCols(result->stmt, &(result->numcols));
	
	/* For insert, update etc. cols == 0 */
	if (result->numcols > 0) {
		if (!odbc_bindcols(result TSRMLS_CC)) {
			efree(result);
			RETURN_FALSE;
		}
	} else {
		result->values = NULL;
	}
	zend_list_addref(conn->id);
	result->conn_ptr = conn;
	result->fetched = 0;
	ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

#ifdef PHP_ODBC_HAVE_FETCH_HASH
#define ODBC_NUM  1
#define ODBC_OBJECT  2

/* {{{ php_odbc_fetch_hash */
static void php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int result_type)
{
	int i;
	odbc_result *result;
	RETCODE rc;
	SQLSMALLINT sql_c_type;
	char *buf = NULL;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLULEN crow;
	SQLUSMALLINT RowStatus[1];
	SQLLEN rownum;
	zval *pv_res, *tmp;
	long pv_row = -1;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &pv_res, &pv_row) == FAILURE) {
		return;
	}
	
	rownum = pv_row;
#else
	zval *pv_res, *tmp;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &pv_res) == FAILURE) {
		return;
	}
#endif

	ZEND_FETCH_RESOURCE(result, odbc_result *, &pv_res, -1, "ODBC result", le_result);

	if (result->numcols == 0) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}

#ifdef HAVE_SQL_EXTENDED_FETCH
	if (result->fetch_abs) {
		if (rownum > 0) {
			rc = SQLExtendedFetch(result->stmt,SQL_FETCH_ABSOLUTE,rownum,&crow,RowStatus);
		} else {
			rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
		}
	} else
#endif
	rc = SQLFetch(result->stmt);

	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		RETURN_FALSE;
	}
	
	array_init(return_value);
	
#ifdef HAVE_SQL_EXTENDED_FETCH
	if (rownum > 0 && result->fetch_abs)
		result->fetched = rownum;
	else
#endif
		result->fetched++;

	for(i = 0; i < result->numcols; i++) {
		ALLOC_INIT_ZVAL(tmp);
		Z_TYPE_P(tmp) = IS_STRING;
		Z_STRLEN_P(tmp) = 0;
		sql_c_type = SQL_C_CHAR;

		switch(result->values[i].coltype) {
			case SQL_BINARY:
			case SQL_VARBINARY:
			case SQL_LONGVARBINARY:
				if (result->binmode <= 0) {
					Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
					break;
				}
				if (result->binmode == 1) {
					sql_c_type = SQL_C_BINARY;
				}
			case SQL_LONGVARCHAR:
				if (IS_SQL_LONG(result->values[i].coltype) && result->longreadlen <= 0) {
					Z_STRVAL_P(tmp) = STR_EMPTY_ALLOC();
					break;
				}				
				if (buf == NULL) {
					buf = emalloc(result->longreadlen + 1);
				}
				
				rc = SQLGetData(result->stmt, (SQLUSMALLINT)(i + 1), sql_c_type, buf, result->longreadlen + 1, &result->values[i].vallen);

				if (rc == SQL_ERROR) {
					odbc_sql_error(result->conn_ptr, result->stmt, "SQLGetData");
					efree(buf);
					RETURN_FALSE;
				}

				if (rc == SQL_SUCCESS_WITH_INFO) {
					Z_STRLEN_P(tmp) = result->longreadlen;
				} else if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(tmp);
					break;
				} else {
					Z_STRLEN_P(tmp) = result->values[i].vallen;
				}
				Z_STRVAL_P(tmp) = estrndup(buf, Z_STRLEN_P(tmp));
				break;

			default:
				if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(tmp);
					break;
				}
				Z_STRLEN_P…