/ext/odbc/php_odbc.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:           |
   | 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 Sæther 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>                 |
   |          Daniel R. Kalowsky <kalowsky@php.net>                       |
   +----------------------------------------------------------------------+
*/

#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"
#include "odbc_arginfo.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))

PHP_ODBC_API ZEND_DECLARE_MODULE_GLOBALS(odbc)
static PHP_GINIT_FUNCTION(odbc);

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

#ifdef COMPILE_DL_ODBC
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(odbc)
#endif

/* {{{ _free_odbc_result
 */
static void _free_odbc_result(zend_resource *rsrc)
{
	odbc_result *res = (odbc_result *)rsrc->ptr;
	int i;

	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 aborted via timer expiration, don't try to call any unixODBC function */
		if (res->stmt && !(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
#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
			SQLFreeStmt(res->stmt,SQL_DROP);
			/* We don't want the connection to be closed after the last statement has been closed
			 * Connections will be closed on shutdown
			 * zend_list_delete(res->conn_ptr->id);
			 */
		}
		if (res->param_info) {
			efree(res->param_info);
		}
		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_resource *rsrc)
{
	zend_resource *p;
	odbc_result *res;

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

	ZEND_HASH_FOREACH_PTR(&EG(regular_list), p) {
		if (p->ptr && (p->type == le_result)) {
			res = (odbc_result *)p->ptr;
			if (res->conn_ptr == conn) {
				zend_list_close(p);
			}
		}
	} ZEND_HASH_FOREACH_END();

	/* If aborted via timer expiration, don't try to call any unixODBC function */
	if (!(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
		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_resource *rsrc)
{
	zend_resource *p;
	odbc_result *res;
	odbc_connection *conn = (odbc_connection *)rsrc->ptr;

	ZEND_HASH_FOREACH_PTR(&EG(regular_list), p) {
		if (p->ptr && (p->type == le_result)) {
			res = (odbc_result *)p->ptr;
			if (res->conn_ptr == conn) {
				zend_list_close(p);
			}
		}
	} ZEND_HASH_FOREACH_END();

	/* If aborted via timer expiration, don't try to call any unixODBC function */
	if (!(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
		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;

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

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

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

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

	if (type == PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
		value = ZSTR_VAL(ini_entry->orig_value);
	} else if (ini_entry->value) {
		value = ZSTR_VAL(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)
{
#if defined(COMPILE_DL_ODBC) && defined(ZTS)
	ZEND_TSRMLS_CACHE_UPDATE();
#endif
	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);
	odbc_module_entry.type = 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);
	REGISTER_LONG_CONSTANT("SQL_WCHAR", SQL_WCHAR, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_WVARCHAR", SQL_WVARCHAR, CONST_PERSISTENT | CONST_CS);
	REGISTER_LONG_CONSTANT("SQL_WLONGVARCHAR", SQL_WLONGVARCHAR, 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), ZEND_LONG_FMT, ODBCG(num_persistent));
	php_info_print_table_row(2, "Active Persistent Links", buf);
	snprintf(buf, sizeof(buf), ZEND_LONG_FMT, ODBCG(num_links));
	php_info_print_table_row(2, "Active Links", buf);
	php_info_print_table_row(2, "ODBC library", PHP_ODBC_TYPE);
#ifdef ODBCVER
	snprintf(buf, sizeof(buf), "0x%0.4x", ODBCVER);
	php_info_print_table_row(2, "ODBCVER", buf);
#endif
#ifndef PHP_WIN32
	php_info_print_table_row(2, "ODBC_CFLAGS", PHP_ODBC_CFLAGS);
	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)
{
	SQLINTEGER	error;        /* Not used */
	SQLSMALLINT	errormsgsize; /* Not used */
	RETCODE rc;
	ODBC_SQL_ENV_T henv;
	ODBC_SQL_CONN_T conn;

	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, ODBCG(laststate), &error, ODBCG(lasterrormsg), sizeof(ODBCG(lasterrormsg))-1, &errormsgsize);
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		snprintf(ODBCG(laststate), sizeof(ODBCG(laststate)), "HY000");
		snprintf(ODBCG(lasterrormsg), sizeof(ODBCG(lasterrormsg)), "Failed to fetch error message");
	}
	if (conn_resource) {
		memcpy(conn_resource->laststate, ODBCG(laststate), sizeof(ODBCG(laststate)));
		memcpy(conn_resource->lasterrormsg, ODBCG(lasterrormsg), sizeof(ODBCG(lasterrormsg)));
	}
	if (func) {
		php_error_docref(NULL, E_WARNING, "SQL error: %s, SQL state %s in %s", ODBCG(lasterrormsg), ODBCG(laststate), func);
	} else {
		php_error_docref(NULL, E_WARNING, "SQL error: %s, SQL state %s", ODBCG(lasterrormsg), ODBCG(laststate));
	}
	/*
		} while (SQL_SUCCEEDED(rc));
	}
	*/
}
/* }}} */

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

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &pv_res, &flag) == FAILURE) {
		RETURN_THROWS();
	}

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

	if (mode) {
		result->longreadlen = flag;
	} else {
		result->binmode = flag;
	}

	RETURN_TRUE;
}
/* }}} */

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

	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++) {
		charextraalloc = 0;
		colfieldid = SQL_COLUMN_DISPLAY_SIZE;

		rc = PHP_ODBC_SQLCOLATTRIBUTE(result->stmt, (SQLUSMALLINT)(i+1), PHP_ODBC_SQL_DESC_NAME,
				result->values[i].name, sizeof(result->values[i].name), &colnamelen, 0);
		result->values[i].coltype = 0;
		rc = PHP_ODBC_SQLCOLATTRIBUTE(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:
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
			case SQL_WLONGVARCHAR:
#endif
				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 */
			case SQL_CHAR:
			case SQL_VARCHAR:
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
			case SQL_WCHAR:
			case SQL_WVARCHAR:
				colfieldid = SQL_DESC_OCTET_LENGTH;
#else
				charextraalloc = 1;
#endif
			default:
				rc = PHP_ODBC_SQLCOLATTRIBUTE(result->stmt, (SQLUSMALLINT)(i+1), colfieldid,
								NULL, 0, NULL, &displaysize);
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
				if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO && colfieldid == SQL_DESC_OCTET_LENGTH) {
					SQLINTEGER err;
					SQLCHAR errtxt[128];
					SQLCHAR state[6];

					memset(errtxt, '\0', 128);
					memset(state, '\0', 6);

					if (SQL_SUCCESS == SQLGetDiagRec(SQL_HANDLE_STMT, result->stmt, 1, state, &err, errtxt, 128, NULL)) {
						errtxt[127] = '\0';
						state[5] = '\0';
						php_error_docref(NULL, E_WARNING, "SQLColAttribute can't handle SQL_DESC_OCTET_LENGTH: [%s] %s", state, errtxt);
					}
					 /* This is  a quirk for ODBC 2.0 compatibility for broken driver implementations.
					  */
					charextraalloc = 1;
					rc = SQLColAttributes(result->stmt, (SQLUSMALLINT)(i+1), SQL_COLUMN_DISPLAY_SIZE,
								NULL, 0, NULL, &displaysize);
				}

				/* Workaround for drivers that report NVARCHAR(MAX) columns as SQL_WVARCHAR with size 0 (bug #69975) */
				if (result->values[i].coltype == SQL_WVARCHAR && displaysize == 0) {
					result->values[i].coltype = SQL_WLONGVARCHAR;
					result->values[i].value = NULL;
					break;
				}
#endif
				/* Workaround for drivers that report VARCHAR(MAX) columns as SQL_VARCHAR (bug #73725) */
				if (SQL_VARCHAR == result->values[i].coltype && displaysize == 0) {
					result->values[i].coltype = SQL_LONGVARCHAR;
					result->values[i].value = NULL;
					break;
				}

				/* Workaround for Oracle ODBC Driver bug (#50162) when fetching TIMESTAMP column */
				if (result->values[i].coltype == SQL_TIMESTAMP) {
					displaysize += 3;
				}

				if (charextraalloc) {
					/* Since we don't know the exact # of bytes, allocate extra */
					displaysize *= 4;
				}
				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(), "r", &pv_conn) == FAILURE) {
		RETURN_THROWS();
	}

	if (!(conn = (odbc_connection *)zend_fetch_resource2(Z_RES_P(pv_conn), "ODBC-Link", le_conn, le_pconn))) {
		RETURN_THROWS();
	}

	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_res */
static int _close_pconn_with_res(zend_resource *le, zend_resource *res)
{
	if (le->type == le_pconn && (((odbc_connection *)(le->ptr))->res == res)){
		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;
	zend_long pv_num;

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

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

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

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

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

	PHP_ODBC_SQLCOLATTRIBUTE(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)
{
	zend_resource *p;

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

	/* Loop through list and close all statements */
	ZEND_HASH_FOREACH_PTR(&EG(regular_list), p) {
		if (p->ptr && (p->type == le_result)) {
			zend_list_close(p);
		}
	} ZEND_HASH_FOREACH_END();

	/* Second loop through list, now close all connections */
	ZEND_HASH_FOREACH_PTR(&EG(regular_list), p) {
		if (p->ptr) {
			if (p->type == le_conn){
				zend_list_close(p);
			} else if (p->type == le_pconn){
				zend_list_close(p);
				/* Delete the persistent connection */
				zend_hash_apply_with_argument(&EG(persistent_list),
					(apply_func_arg_t) _close_pconn_with_res, (void *)p);
			}
		}
	} ZEND_HASH_FOREACH_END();
}
/* }}} */

/* {{{ 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;
	size_t query_len;
	odbc_result *result = NULL;
	odbc_connection *conn;
	RETCODE rc;
	int i;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLUINTEGER      scrollopts;
#endif

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

	if (!(conn = (odbc_connection *)zend_fetch_resource2(Z_RES_P(pv_conn), "ODBC-Link", le_conn, le_pconn))) {
		RETURN_THROWS();
	}

	result = (odbc_result *)ecalloc(1, sizeof(odbc_result));

	result->numparams = 0;
	result->param_info = NULL;

	rc = PHP_ODBC_SQLALLOCSTMT(conn->hdbc, &(result->stmt));
	if (rc == SQL_INVALID_HANDLE) {
		efree(result);
		php_error_docref(NULL, 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)) {
			efree(result);
			RETURN_FALSE;
		}
	} else {
		result->values = NULL;
	}
	Z_ADDREF_P(pv_conn);
	result->conn_ptr = conn;
	result->fetched = 0;

	result->param_info = (odbc_param_info *) safe_emalloc(sizeof(odbc_param_info), result->numparams, 0);
	for (i=0;i<result->numparams;i++) {
		rc = SQLDescribeParam(result->stmt, (SQLUSMALLINT)(i+1), &result->param_info[i].sqltype, &result->param_info[i].precision,
													&result->param_info[i].scale, &result->param_info[i].nullable);
		if (rc == SQL_ERROR) {
			odbc_sql_error(result->conn_ptr, result->stmt, "SQLDescribeParameter");
			SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
			efree(result->param_info);
			efree(result);
			RETURN_FALSE;
		}
	}

	RETURN_RES(zend_register_resource(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 ctype;
   	odbc_result *result;
	int numArgs = ZEND_NUM_ARGS(), i, ne;
	RETCODE rc;

	if (zend_parse_parameters(numArgs, "r|a", &pv_res, &pv_param_arr) == FAILURE) {
		RETURN_THROWS();
	}

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

	/* XXX check for already bound parameters*/
	if (result->numparams > 0 && numArgs == 1) {
		php_error_docref(NULL, 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, 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 ((tmp = zend_hash_get_current_data(Z_ARRVAL_P(pv_param_arr))) == NULL) {
				php_error_docref(NULL, 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 = Z_TYPE_P(tmp);
			if (!try_convert_to_string(tmp)) {
				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_THROWS();
			}

			params[i-1].vallen = Z_STRLEN_P(tmp);
			params[i-1].fp = -1;

			if (IS_SQL_BINARY(result->param_info[i-1].sqltype)) {
				ctype = SQL_C_BINARY;
			} else {
				ctype = SQL_C_CHAR;
			}

			if (Z_STRLEN_P(tmp) > 2 &&
				Z_STRVAL_P(tmp)[0] == '\'' &&
				Z_STRVAL_P(tmp)[Z_STRLEN_P(tmp) - 1] == '\'') {

				if (CHECK_ZVAL_NULL_PATH(tmp)) {
					RETURN_FALSE;
				}
				filename = estrndup(&Z_STRVAL_P(tmp)[1], Z_STRLEN_P(tmp) - 2);
				filename[strlen(filename)] = '\0';

				/* Check the basedir */
				if (php_check_open_basedir(filename)) {
					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, 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, result->param_info[i-1].sqltype, result->param_info[i-1].precision, result->param_info[i-1].scale,
									  (void *)(intptr_t)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, result->param_info[i-1].sqltype, result->param_info[i-1].precision, result->param_info[i-1].scale,
									  Z_STRVAL_P(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)) {
				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(), "r", &pv_res) == FAILURE) {
		RETURN_THROWS();
	}

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

	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_" ZEND_ULONG_FMT, (zend_ulong)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);
				}
			} else {
				php_error_docref(NULL, E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
				RETVAL_FALSE;
			}
		} else {
			RETVAL_STRING(cursorname);
		}
		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;
	zend_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(), "rl", &zv_conn, &zv_fetch_type) == FAILURE) {
		RETURN_THROWS();
	}

	fetch_type = (SQLSMALLINT) zv_fetch_type;

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

	if (!(conn = (odbc_connection *)zend_fetch_resource2(Z_RES_P(zv_conn), "ODBC-Link", le_conn, le_pconn))) {
		RETURN_THROWS();
	}

	/* 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 (SQL_NO_DATA == rc) {
		/* System has no data sources, no error. Signal it by returning NULL,
			not false. */
		RETURN_NULL();
	} else 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")-1, server_name);
	add_assoc_string_ex(return_value, "description", sizeof("description")-1, desc);

}
/* }}} */
#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;
	zend_long pv_flags;
	char *query;
	size_t 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(), "rs|l", &pv_conn, &query, &query_len, &pv_flags) == FAILURE) {
		RETURN_THROWS();
	}

	if (!(conn = (odbc_connection *)zend_fetch_resource2(Z_RES_P(pv_conn), "ODBC-Link", le_conn, le_pconn))) {
		RETURN_THROWS();
	}

	result = (odbc_result *)ecalloc(1, sizeof(odbc_result));

	rc = PHP_ODBC_SQLALLOCSTMT(conn->hdbc, &(result->stmt));
	if (rc == SQL_INVALID_HANDLE) {
		php_error_docref(NULL, 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)) {
			efree(result);
			RETURN_FALSE;
		}
	} else {
		result->values = NULL;
	}
	Z_ADDREF_P(pv_conn);
	result->conn_ptr = conn;
	result->fetched = 0;
	RETURN_RES(zend_register_resource(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;
	zend_long pv_row = -1;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &pv_res, &pv_row) == FAILURE) {
		RETURN_THROWS();
	}

	rownum = pv_row;
#else
	zval *pv_res, tmp;

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

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

	if (result->numcols == 0) {
		php_error_docref(NULL, 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++) {
		sql_c_type = SQL_C_CHAR;

		switch(result->values[i].coltype) {
			case SQL_BINARY:
			case SQL_VARBINARY:
			case SQL_LONGVARBINARY:
				if (result->binmode <= 0) {
					ZVAL_EMPTY_STRING(&tmp);
					break;
				}
				if (result->binmode == 1) {
					sql_c_type = SQL_C_BINARY;
				}
			case SQL_LONGVARCHAR:
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
			case SQL_WLONGVARCHAR:
#endif
				if (IS_SQL_LONG(result->values[i].coltype) && result->longreadlen <= 0) {
					ZVAL_EMPTY_STRING(&tmp);
					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) {
					ZVAL_STRINGL(&tmp, buf, result->longreadlen);
				} else if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(&tmp);
					break;
				} else {
					ZVAL_STRINGL(&tmp, buf, result->values[i].vallen);
				}
				break;

			default:
				if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(&tmp);
					break;
				}
				ZVAL_STRINGL(&tmp, result->values[i].value, result->values[i].vallen);
				break;
		}

		if (result_type & ODBC_NUM) {
			zend_hash_index_update(Z_ARRVAL_P(return_value), i, &tmp);
		} else {
			if (!*(result->values[i].name) && Z_TYPE(tmp) == IS_STRING) {
				zend_hash_update(Z_ARRVAL_P(return_value), Z_STR(tmp), &tmp);
			} else {
				zend_hash_str_update(Z_ARRVAL_P(return_value), result->values[i].name, strlen(result->values[i].name), &tmp);
			}
		}
	}
	if (buf) {
		efree(buf);
	}
}
/* }}} */


/* {{{ proto object odbc_fetch_object(resource result [, int rownumber])
   Fetch a result row as an object */
PHP_FUNCTION(odbc_fetch_object)
{
	php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, ODBC_OBJECT);
	if (Z_TYPE_P(return_value) == IS_ARRAY) {
		object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
	}
}
/* }}} */

/* {{{ proto array odbc_fetch_array(resource result [, int rownumber])
   Fetch a result row as an associative array */
PHP_FUNCTION(odbc_fetch_array)
{
	php_odbc_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, ODBC_OBJECT);
}
/* }}} */
#endif

/* {{{ proto int odbc_fetch_into(resource result_id, array &result_array [, int rownumber])
   Fetch one result row into an array */
PHP_FUNCTION(odbc_fetch_into)
{
	int i;
	odbc_result *result;
	RETCODE rc;
	SQLSMALLINT sql_c_type;
	char *buf = NULL;
	zval *pv_res, *pv_res_arr, tmp;
#ifdef HAVE_SQL_EXTENDED_FETCH
	zend_long pv_row = 0;
	SQLULEN crow;
	SQLUSMALLINT RowStatus[1];
	SQLLEN rownum = -1;
#endif /* HAVE_SQL_EXTENDED_FETCH */

#ifdef HAVE_SQL_EXTENDED_FETCH
	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz|l", &pv_res, &pv_res_arr, &pv_row) == FAILURE) {
		RETURN_THROWS();
	}

	rownum = pv_row;
#else
	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz", &pv_res, &pv_res_arr) == FAILURE) {
		RETURN_THROWS();
	}
#endif /* HAVE_SQL_EXTENDED_FETCH */

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

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

	pv_res_arr = zend_try_array_init(pv_res_arr);
	if (!pv_res_arr) {
		RETURN_THROWS();
	}

#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;
	}

#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++) {
		sql_c_type = SQL_C_CHAR;

		switch(result->values[i].coltype) {
			case SQL_BINARY:
			case SQL_VARBINARY:
			case SQL_LONGVARBINARY:
				if (result->binmode <= 0) {
					ZVAL_EMPTY_STRING(&tmp);
					break;
				}
				if (result->binmode == 1) sql_c_type = SQL_C_BINARY;

			case SQL_LONGVARCHAR:
#if defined(ODBCVER) && (ODBCVER >= 0x0300)
			case SQL_WLONGVARCHAR:
#endif
				if (IS_SQL_LONG(result->values[i].coltype) && result->longreadlen <= 0) {
					ZVAL_EMPTY_STRING(&tmp);
					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) {
					ZVAL_STRINGL(&tmp, buf, result->longreadlen);
				} else if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(&tmp);
					break;
				} else {
					ZVAL_STRINGL(&tmp, buf, result->values[i].vallen);
				}
				break;

			default:
				if (result->values[i].vallen == SQL_NULL_DATA) {
					ZVAL_NULL(&tmp);
					break;
				}
				ZVAL_STRINGL(&tmp, result->values[i].value, result->values[i].vallen);
				break;
		}
		zend_hash_index_update(Z_ARRVAL_P(pv_res_arr), i, &tmp);
	}
	if (buf) efree(buf);
	RETURN_LONG(result->numcols);
}
/* }}} */

/* {{{ proto bool solid_fetch_prev(resource result_id)
   */
#if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_SOLID_35)
PHP_FUNCTION(solid_fetch_prev)
{
	odbc_result *result;
	RETCODE rc;
	zval *pv_res;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &pv_res) == FAILURE) {
		RETURN_THROWS();
	}

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}
	if (result->numcols == 0) {
		php_error_docref(NULL, E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
	rc = SQLFetchPrev(result->stmt);

	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		RETURN_FALSE;
	}

	if (result->fetched > 1) {
		result->fetched--;
	}

	RETURN_TRUE;
}
#endif
/* }}} */

/* {{{ proto bool odbc_fetch_row(resource result_id [, int row_number])
   Fetch a row */
PHP_FUNCTION(odbc_fetch_row)
{
	SQLLEN rownum;
	odbc_result *result;
	RETCODE rc;
	zval *pv_res;
	zend_long pv_row = 1;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLULEN crow;
	SQLUSMALLINT RowStatus[1];
#endif

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &pv_res, &pv_row) == FAILURE) {
		RETURN_THROWS();
	}

	rownum = pv_row;

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

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

#ifdef HAVE_SQL_EXTENDED_FETCH
	if (result->fetch_abs) {
		if (ZEND_NUM_ARGS() > 1) {
			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;
	}

	if (ZEND_NUM_ARGS() > 1) {
		result->fetched = rownum;
	} else {
		result->fetched++;
	}

	RETURN_TRUE;
}
/* }}} */

/* {{{ proto mixed odbc_result(resource result_id, mixed field)
   Get result data */
PHP_FUNCTION(odbc_result)
{
	char *field;
	zend_string *field_str;
	int field_ind;
	SQLSMALLINT sql_c_type = SQL_C_CHAR;
	odbc_result *result;
	int i = 0;
	RETCODE rc;
	SQLLEN	fieldsize;
	zval *pv_res, *pv_field;
#ifdef HAVE_SQL_EXTENDED_FETCH
	SQLULEN crow;
	SQLUSMALLINT RowStatus[1];
#endif

	field_ind = -1;
	field = NULL;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz", &pv_res, &pv_field) == FAILURE) {
		RETURN_THROWS();
	}

	if (Z_TYPE_P(pv_field) == IS_STRING) {
		field = Z_STRVAL_P(pv_field);
	} else {
		convert_to_long_ex(pv_field);
		field_ind = Z_LVAL_P(pv_field) - 1;
	}

	if ((result = (odbc_result *)zend_fetch_resource(Z_RES_P(pv_res), "ODBC result", le_result)) == NULL) {
		RETURN_THROWS();
	}

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

	/* get field index if the field parameter was a string */
	if (field != NULL) {
		if (result->values == NULL) {
			php_error_docref(NULL, E_WARNING, "Result set cont…