/*
   +----------------------------------------------------------------------+
   | PHP version 4.0                                                      |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997, 1998, 1999 The PHP Group                         |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.0 of the PHP license,       |
   | that is bundled with this package in the file LICENSE, and is        |
   | available at through the world-wide-web at                           |
   | http://www.php.net/license/2_0.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@fast.no>                            |
   |          Andreas Karajannis <Andreas.Karajannis@gmd.de>              |
   |          Frank M. Kromann <fmk@businessnet.dk> Support for DB/2 CLI  |
   +----------------------------------------------------------------------+
 */

/* $Id$ */

#if COMPILE_DL
#include "dl/phpdl.h"
#endif

#include "php.h"
#include "php_globals.h"
#include "ext/standard/php3_standard.h"
#include "php_odbc.h"

#if HAVE_UODBC

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

#if WIN32|WINNT
#include <winsock.h>
#else
#include "build-defs.h"
#endif

void odbc_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent);

static int le_result, le_conn, le_pconn;
	
function_entry odbc_functions[] = {
	PHP_FE(odbc_setoption, NULL)
	PHP_FE(odbc_autocommit, NULL)
	PHP_FE(odbc_close, NULL)
	PHP_FE(odbc_close_all, NULL)
	PHP_FE(odbc_commit, NULL)
	PHP_FE(odbc_connect, NULL)
	PHP_FE(odbc_pconnect, NULL)
	PHP_FE(odbc_cursor, NULL)
	PHP_FE(odbc_exec, NULL)
	PHP_FE(odbc_prepare, NULL)
	PHP_FE(odbc_execute, NULL)
	PHP_FE(odbc_fetch_row, NULL)
	PHP_FE(odbc_fetch_into, NULL)
	PHP_FE(odbc_field_len, NULL)
	PHP_FE(odbc_field_name, NULL)
	PHP_FE(odbc_field_type, NULL)
	PHP_FE(odbc_field_num, NULL)
	PHP_FE(odbc_free_result, NULL)
	PHP_FE(odbc_num_fields, NULL)
	PHP_FE(odbc_num_rows, NULL)
	PHP_FE(odbc_result, NULL)
	PHP_FE(odbc_result_all, NULL)
	PHP_FE(odbc_rollback, NULL)
	PHP_FE(odbc_binmode, NULL)
	PHP_FE(odbc_longreadlen, NULL)
/*	PHP_FE(odbc_bind_param, NULL)
	PHP_FE(odbc_define, NULL)*/
	PHP_FALIAS(odbc_do, odbc_exec, NULL)
	{ NULL, NULL, NULL }
};

php3_module_entry odbc_module_entry = {
    "ODBC", 
	odbc_functions, 
	PHP_MINIT(odbc), 
	PHP_MSHUTDOWN(odbc),
    PHP_RINIT(odbc), 
	NULL, 
	PHP_MINFO(odbc), 
	STANDARD_MODULE_PROPERTIES
};

#ifdef ZTS
int odbc_globals_id;
#else
ZEND_API php_odbc_globals odbc_globals;
#endif

#if COMPILE_DL
DLEXPORT zend_module_entry *get_module(void) { return &odbc_module_entry; };
#endif

static void _free_odbc_result(odbc_result *res)
{
	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 (res->stmt){
#if HAVE_SOLID
			SQLTransact(ODBCG(henv), res->conn_ptr->hdbc,
						(UWORD)SQL_COMMIT);
#endif
			SQLFreeStmt(res->stmt,SQL_DROP);
#if !HAVE_DB2
			res->stmt = NULL;
#endif
		}
		efree(res);
	}
}

static void _close_odbc_conn(odbc_connection *conn)
{
	/* FIXME
	 * Closing a connection will fail if there are
	 * pending transactions. It is in the responsibility
	 * of the user to avoid this.
	 */
	ODBCLS_FETCH();

   	SQLDisconnect(conn->hdbc);
	SQLFreeConnect(conn->hdbc);
	efree(conn);
	ODBCG(num_links)--;
}

static void _close_odbc_pconn(odbc_connection *conn)
{
	ODBCLS_FETCH();
	
	conn->open = 0;
	SQLDisconnect(conn->hdbc);
	SQLFreeConnect(conn->hdbc);
	free(conn);

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

static PHP_INI_DISP(display_link_nums)
{
	char *value;

	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);
		}
	}
}

static PHP_INI_DISP(display_defPW)
{
	char *value;

	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 DEBUG
		php_printf("%s", value);
#else
		PUTS("********");
#endif
	}
}

static PHP_INI_DISP(display_binmode)
{
	char *value;
	
    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;
		}
	}
}

static PHP_INI_DISP(display_lrl)
{
	char *value;

	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{
			php3_printf("return up to %s bytes", value);
		}
	}
}

PHP_INI_BEGIN()
	STD_PHP_INI_BOOLEAN("odbc.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateInt,
			allow_persistent, php_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY_EX("odbc.max_persistent",  "-1", PHP_INI_SYSTEM, OnUpdateInt,
			max_persistent, php_odbc_globals, odbc_globals, display_link_nums)
	STD_PHP_INI_ENTRY_EX("odbc.max_links", "-1", PHP_INI_SYSTEM, OnUpdateInt,
			max_links, php_odbc_globals, odbc_globals, display_link_nums)
	STD_PHP_INI_ENTRY("odbc.default_db", NULL, PHP_INI_ALL, OnUpdateString,
			defDB, php_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY("odbc.default_user", NULL, PHP_INI_ALL, OnUpdateString,
			defUser, php_odbc_globals, odbc_globals)
	STD_PHP_INI_ENTRY_EX("odbc.default_pw", NULL, PHP_INI_ALL, OnUpdateString,
			defPW, php_odbc_globals, odbc_globals, display_defPW)
	STD_PHP_INI_ENTRY_EX("odbc.defaultlrl", "4096", PHP_INI_ALL, OnUpdateInt,
			defaultlrl, php_odbc_globals, odbc_globals, display_lrl)
	STD_PHP_INI_ENTRY_EX("odbc.defaultbinmode", "1", PHP_INI_ALL, OnUpdateInt,
			defaultbinmode, php_odbc_globals, odbc_globals, display_binmode)
PHP_INI_END()

#ifdef ZTS
static void php_odbc_init_globals(php_odbc_globals *odbc_globals)
{
	ODBCG(num_persistent) = 0;
}
#endif

PHP_MINIT_FUNCTION(odbc)
{
	ELS_FETCH();
#ifdef SQLANY_BUG
	HDBC    foobar;
	RETCODE rc;
#endif

#ifdef ZTS
	odbc_globals_id = ts_allocate_id(sizeof(php_odbc_globals), php_odbc_init_globals, NULL);
#else
	ODBCG(num_persistent) = 0;
#endif

	REGISTER_INI_ENTRIES();
	SQLAllocEnv(&ODBCG(henv));
	le_result = register_list_destructors(_free_odbc_result, NULL);
	le_conn = register_list_destructors(_close_odbc_conn, NULL);
	le_pconn = register_list_destructors(NULL, _close_odbc_pconn);
	odbc_module_entry.type = type;
	
	SQLAllocEnv(&ODBCG(henv));
#ifdef SQLANY_BUG
	/* Make a dumb connection to avoid crash on SQLFreeEnv(),
	 * then release it immediately.
	 * This is required for SQL Anywhere 5.5.00 on QNX 4.24 at least.
	 * The SQLANY_BUG should be defined in CFLAGS.
	 */
	if ( SQLAllocConnect(ODBCG(henv), &foobar) != SQL_SUCCESS ) {
			ODBC_SQL_ERROR(SQL_NULL_HDBC, SQL_NULL_HSTMT, "SQLAllocConnect");
	} else {
		rc = SQLConnect(foobar, ODBCG(defDB), SQL_NTS, ODBCG(defUser), 
						SQL_NTS, ODBCG(defPW), SQL_NTS);
		if(rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO)
			SQLDisconnect( foobar );
		SQLFreeConnect( foobar );
	}
#endif

	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 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);

	return SUCCESS;
}


PHP_RINIT_FUNCTION(odbc)
{
	ODBCLS_FETCH();
	
	ODBCG(defConn) = -1;
	ODBCG(num_links) = ODBCG(num_persistent);
	return SUCCESS;
}

PHP_MSHUTDOWN_FUNCTION(odbc)
{
	ODBCLS_FETCH();

	UNREGISTER_INI_ENTRIES();
	SQLFreeEnv(ODBCG(henv));
	return SUCCESS;
}

PHP_MINFO_FUNCTION(odbc)
{
	char buf[32];
	ODBCLS_FETCH();

	DISPLAY_INI_ENTRIES();

	php_printf("<table border=5 width=\"600\">");
	php_info_print_table_header(2, "Key", "Value");
	sprintf(buf, "%ld", ODBCG(num_persistent));
	php_info_print_table_row(2, "Active Persistent Links", buf);
	sprintf(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);
#if !(WIN32|WINNT)
	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_printf("</table>\n");
}	 

#if HAVE_DB2
void ODBC_SQL_ERROR(SQLHANDLE conn, SQLHANDLE stmt, char *func)
#else
void ODBC_SQL_ERROR(HDBC conn, HSTMT stmt, char *func)
#endif
{
    char	state[6];     /* Not used */
	SDWORD	error;        /* Not used */
	char	errormsg[255];
	SWORD	errormsgsize; /* Not used */
	ODBC_TLS_VARS;
	
	SQLError(ODBCG(henv), conn, stmt, state,
			 &error, errormsg, sizeof(errormsg)-1, &errormsgsize);
	if (func) {
		php_error(E_WARNING, "SQL error: %s, SQL state %s in %s",
				   errormsg, state, func);
	} else {
		php_error(E_WARNING, "SQL error: %s, SQL state %s",
				   errormsg, state);
	}
}

void php3_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
	odbc_result *result;
	pval *pv_res, *pv_flag;
	ODBCLS_FETCH();
	PLS_FETCH();

	if (getParameters(ht, 2, &pv_res, &mode) == FAILURE)
		WRONG_PARAM_COUNT;

    convert_to_long(pv_flag);
	
	if(pv_res->value.lval){
		ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
        if(mode)
            result->longreadlen = pv_flag->value.lval;	
        else
            result->binmode = pv_flag->value.lval;
	}else{
        if(mode)
            ODBCG(defaultlrl) = pv_flag->value.lval;
        else
            ODBCG(defaultbinmode) = pv_flag->value.lval;
    }
	RETURN_TRUE;
}


int odbc_bindcols(odbc_result *result)
{
    int i;
    SWORD       colnamelen; /* Not used */
	SDWORD      displaysize;
	
    result->values = (odbc_result_value *)
		emalloc(sizeof(odbc_result_value)*result->numcols);

    if(result->values == NULL){
        php_error(E_WARNING, "Out of memory");
        SQLFreeStmt(result->stmt, SQL_DROP);
        return 0;
    }

    result->longreadlen = ODBCG(defaultlrl);
    result->binmode = ODBCG(defaultbinmode);
        
    for(i = 0; i < result->numcols; i++){
        SQLColAttributes(result->stmt, (UWORD)(i+1), SQL_COLUMN_NAME,
                         result->values[i].name,
                         sizeof(result->values[i].name),
                         &colnamelen,
                         0);
		SQLColAttributes(result->stmt, (UWORD)(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;
				
#if HAVE_ADABAS
			case SQL_TIMESTAMP:
				result->values[i].value = (char *)emalloc(27);
				SQLBindCol(result->stmt, (UWORD)(i+1), SQL_C_CHAR, result->values[i].value,
							27, &result->values[i].vallen);
				break;
#endif /* HAVE_ADABAS */
			default:
				SQLColAttributes(result->stmt, (UWORD)(i+1), SQL_COLUMN_DISPLAY_SIZE,
									NULL, 0, NULL, &displaysize);
				result->values[i].value = (char *)emalloc(displaysize + 1);
				SQLBindCol(result->stmt, (UWORD)(i+1), SQL_C_CHAR, result->values[i].value,
							displaysize + 1, &result->values[i].vallen);
				break;
		}
    }
    return 1;
}

void odbc_transact(INTERNAL_FUNCTION_PARAMETERS, int type)
{
	odbc_connection *conn;
	RETCODE rc;
	pval *pv_conn;
	ODBCLS_FETCH();
	
 	if(getParameters(ht, 1, &pv_conn) == FAILURE) {
		WRONG_PARAM_COUNT;
	}                            
 
	conn = (odbc_connection *) zend_fetch_resource_ex(pv_conn, -1, "ODBC connection", 2, le_conn, le_pconn);
	ZEND_VERIFY_RESOURCE(conn);
	
	rc = SQLTransact(ODBCG(henv), conn->hdbc, (UWORD)((type)?SQL_COMMIT:SQL_ROLLBACK));
	if(rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
		ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "SQLTransact");
		RETURN_FALSE;
	}

	RETURN_TRUE;
}

/* Main User Functions */
/* {{{ proto void odbc_close_all(void)
   Close all ODBC connections */
/* XXX Convert to new resource model */
PHP_FUNCTION(odbc_close_all)
{
	void *ptr;
	int type;
	int i, nument = zend_hash_next_free_element(list);

	for(i = 1; i < nument; i++){
		ptr = php3_list_find(i, &type);
		if(ptr && (type == le_conn || type == le_pconn)){
			php3_list_delete(i);
		}
	}
}
/* }}} */

/* {{{ proto int odbc_binmode(int result_id, int mode)
   Handle binary column data */
PHP_FUNCTION(odbc_binmode)
{
	php3_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
/* }}} */

/* {{{ proto int odbc_longreadlen(int result_id, int length)
   Handle LONG columns */
PHP_FUNCTION(odbc_longreadlen)
{
	php3_odbc_fetch_attribs(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
}
/* }}} */

/* {{{ proto int odbc_prepare(int connection_id, string query)
   Prepares a statement for execution */
PHP_FUNCTION(odbc_prepare)
{
	pval     *pv_conn, *pv_query;
	char        *query;
	odbc_result   *result = NULL;
	odbc_connection *conn;
	RETCODE rc;

	if(getParameters(ht, 2, &pv_conn, &pv_query) == FAILURE){
		WRONG_PARAM_COUNT;
	}

	conn = (odbc_connection *)zend_fetch_resource_ex(pv_conn, -1, "ODBC connection", 2, le_conn, le_pconn);
	ZEND_VERIFY_RESOURCE(conn);

	convert_to_string(pv_query);
	query = pv_query->value.str.val;

	result = (odbc_result *)emalloc(sizeof(odbc_result));
	if(result == NULL){
		php_error(E_WARNING, "Out of memory");
		RETURN_FALSE;
	}
	
	result->numparams = 0;
	
	rc = SQLAllocStmt(conn->hdbc, &(result->stmt));
	if(rc == SQL_INVALID_HANDLE){
		efree(result);
		php_error(E_WARNING, "SQLAllocStmt error 'Invalid Handle' in php3_odbc_prepare");
		RETURN_FALSE;
	}

	if(rc == SQL_ERROR){
		ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "SQLAllocStmt");
		efree(result);
		RETURN_FALSE;
	}

	if((rc = SQLPrepare(result->stmt, query, SQL_NTS)) != SQL_SUCCESS){
		ODBC_SQL_ERROR(conn->hdbc, result->stmt, "SQLPrepare");
		SQLFreeStmt(result->stmt, SQL_DROP);
		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;
	}
	result->conn_ptr = conn;
	result->fetched = 0;
	ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

/*
 * Execute prepared SQL statement. Supports only input parameters.
 */
/* {{{ proto int odbc_execute(int result_id [, array parameters_array])
   Execute a prepared statement */
PHP_FUNCTION(odbc_execute)
{ 
    pval *pv_res, *pv_param_arr, **tmp;
    typedef struct params_t {
		SDWORD vallen;
		int fp;
	} params_t;
	params_t *params = NULL;
	char *filename;
   	SWORD sqltype, ctype, scale, nullable;
	UDWORD precision;
   	odbc_result   *result;
	int numArgs, i, ne;
	RETCODE rc;
	
	numArgs = ARG_COUNT(ht);
	if(numArgs == 1){
		if(getParameters(ht, 1, &pv_res) == FAILURE)
			WRONG_PARAM_COUNT;
	}else{
		if(getParameters(ht, 2, &pv_res, &pv_param_arr) == FAILURE)
			WRONG_PARAM_COUNT;

        if(pv_param_arr->type != IS_ARRAY){
            php_error(E_WARNING, "No array passed to odbc_execute()");
            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(E_WARNING, "No parameters to SQL statement given");
		RETURN_FALSE;
	}

    if(result->numparams > 0){
		if((ne = zend_hash_num_elements(pv_param_arr->value.ht)) < result->numparams){
			php_error(E_WARNING,"Not enough parameters (%d should be %d) given",
					   ne, result->numparams);
			RETURN_FALSE;
		}

		zend_hash_internal_pointer_reset(pv_param_arr->value.ht);
        params = (params_t *)emalloc(sizeof(params_t) * result->numparams);
		
		for(i = 1; i <= result->numparams; i++){
            if(zend_hash_get_current_data(pv_param_arr->value.ht, (void **) &tmp) == FAILURE){
                php_error(E_WARNING,"Error getting parameter");
                SQLFreeStmt(result->stmt,SQL_RESET_PARAMS);
				efree(params);
                RETURN_FALSE;
            }
            convert_to_string(*tmp);
			if((*tmp)->type != IS_STRING){
				php_error(E_WARNING,"Error converting parameter");
				SQLFreeStmt(result->stmt, SQL_RESET_PARAMS);
				efree(params);
				RETURN_FALSE;
			}
			
            SQLDescribeParam(result->stmt, (UWORD)i, &sqltype, &precision,
							 &scale, &nullable);
			params[i-1].vallen = (*tmp)->value.str.len;
			params[i-1].fp = -1;

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

			if((*tmp)->value.str.val[0] == '\'' && 
				(*tmp)->value.str.val[(*tmp)->value.str.len - 1] == '\''){
				filename = &(*tmp)->value.str.val[1];
				filename[(*tmp)->value.str.len - 2] = '\0';

                if((params[i-1].fp = open(filename,O_RDONLY)) == -1){
					php_error(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);
					RETURN_FALSE;
				}

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

				rc = SQLBindParameter(result->stmt, (UWORD)i, SQL_PARAM_INPUT,
									  ctype, sqltype, precision, scale,
									  (void *)params[i-1].fp, 0,
									  &params[i-1].vallen);
			}else{
				rc = SQLBindParameter(result->stmt, (UWORD)i, SQL_PARAM_INPUT,
									  ctype, sqltype, precision, scale,
									  (*tmp)->value.str.val, 0,
									  &params[i-1].vallen);
			}
			zend_hash_move_forward(pv_param_arr->value.ht);
		}
	}
	/* Close cursor, needed for doing multiple selects */
	rc = SQLFreeStmt(result->stmt, SQL_CLOSE);

	if(rc == SQL_ERROR){
		ODBC_SQL_ERROR(result->conn_ptr->hdbc, 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, (PTR FAR *)&fp);
			if(rc == SQL_NEED_DATA){
				while((nbytes = read(fp, &buf, 4096)) > 0)
					SQLPutData(result->stmt,(UCHAR FAR*) &buf, nbytes);
			}
		}
	}else{
		if(rc != SQL_SUCCESS){
			ODBC_SQL_ERROR(result->conn_ptr->hdbc, 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){
		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(int result_id)
   Get cursor name */
PHP_FUNCTION(odbc_cursor)
{
	pval *pv_res;
	SWORD len, max_len;
	char *cursorname;
   	odbc_result *result;
	RETCODE rc;
	ODBCLS_FETCH();

	if(getParameters(ht, 1, &pv_res) == FAILURE){
		WRONG_PARAM_COUNT;
	}

	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,0,&len);
	if(rc != SQL_SUCCESS){
		RETURN_FALSE;
	}
	
	if(max_len > 0){
		cursorname = emalloc(max_len + 1);
		if(cursorname == NULL){
			php_error(E_WARNING,"Out of memory");
			RETURN_FALSE;
		}
		rc = SQLGetCursorName(result->stmt,cursorname,(SWORD)max_len,&len);
		if(rc != SQL_SUCCESS){
			char    state[6];     /* Not used */
	 		SDWORD  error;        /* Not used */
			char    errormsg[255];
			SWORD   errormsgsize; /* Not used */
			ODBC_TLS_VARS;

			SQLError(ODBCG(henv), result->conn_ptr->hdbc,
						result->stmt, state, &error, errormsg,
						sizeof(errormsg)-1, &errormsgsize);
			if(!strncmp(state,"S1015",5)){
				sprintf(cursorname,"php3_curs_%d", (int)result->stmt);
				if(SQLSetCursorName(result->stmt,cursorname,SQL_NTS) != SQL_SUCCESS){
					ODBC_SQL_ERROR(result->conn_ptr->hdbc,result->stmt,
										"SQLSetCursorName");
					RETVAL_FALSE;
				}else{
					RETVAL_STRING(cursorname,1);
				}
			}else{
				php_error(E_WARNING, "SQL error: %s, SQL state %s", errormsg, state);
				RETVAL_FALSE;
			}
		}else{
			RETVAL_STRING(cursorname,1);
		}
		efree(cursorname);
	}else{
		RETVAL_FALSE;
	}
}
/* }}} */

/* {{{ proto int odbc_exec(int connection_id, string query [, int flags])
   Prepare and execute an SQL statement */
PHP_FUNCTION(odbc_exec)
{
	pval *pv_conn, *pv_query, *pv_flags;
	int numArgs;
	char *query;
	odbc_result *result = NULL;
	odbc_connection *conn;
	RETCODE rc;
#if HAVE_SQL_EXTENDED_FETCH
	UDWORD      scrollopts;
#endif

	numArgs = ARG_COUNT(ht);
	if(numArgs > 2){
		if(getParameters(ht, 3, &pv_conn, &pv_query, &pv_flags) == FAILURE)
			WRONG_PARAM_COUNT;
		convert_to_long(pv_flags);
	}else{
		if(getParameters(ht, 2, &pv_conn, &pv_query) == FAILURE)
			WRONG_PARAM_COUNT;
	}

	conn = (odbc_connection *)zend_fetch_resource_ex(pv_conn, -1, "ODBC connection", 2, le_conn, le_pconn);
	ZEND_VERIFY_RESOURCE(conn);
	
	convert_to_string(pv_query);
	query = pv_query->value.str.val;
	
	result = (odbc_result *)emalloc(sizeof(odbc_result));
	if(result == NULL){
		php_error(E_WARNING, "Out of memory");
		RETURN_FALSE;
	}

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

	if(rc == SQL_ERROR){
		ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "SQLAllocStmt");
		efree(result);
		RETURN_FALSE;
	}
	
#if 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.
			 */
			if(SQLSetStmtOption(result->stmt, SQL_CURSOR_TYPE, SQL_CURSOR_DYNAMIC)
				== SQL_ERROR){
				ODBC_SQL_ERROR(conn->hdbc, result->stmt, " SQLSetStmtOption");
				SQLFreeStmt(result->stmt, SQL_DROP);
				efree(result);
				RETURN_FALSE;
			}
		}
	}else{
		result->fetch_abs = 0;
	}
#endif

	rc = SQLExecDirect(result->stmt, query, SQL_NTS);
	if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
		/* XXX FIXME we should really check out SQLSTATE with SQLError
		 * in case rc is SQL_SUCCESS_WITH_INFO here.
		 */
		ODBC_SQL_ERROR(conn->hdbc, 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;
	}
	result->conn_ptr = conn;
	result->fetched = 0;
	ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */

/* {{{ proto int odbc_fetch_into(int result_id [, int rownumber], array result_array)
   Fetch one result row into an array */ 
PHP_FUNCTION(odbc_fetch_into)
{
	int numArgs, i;
	odbc_result *result;
	RETCODE rc;
    SWORD sql_c_type;
	char *buf = NULL;
#if HAVE_SQL_EXTENDED_FETCH
	UDWORD crow;
	UWORD  RowStatus[1];
	SDWORD rownum = -1;
	pval *pv_res, *pv_row, *pv_res_arr, *tmp;
	
	numArgs = ARG_COUNT(ht);

	switch(numArgs){
		case 2:
			if(getParameters(ht, 2, &pv_res, &pv_res_arr) == FAILURE)
				WRONG_PARAM_COUNT;
			break;
		case 3:
			if(getParameters(ht, 3, &pv_res, &pv_row, &pv_res_arr) == FAILURE)
				WRONG_PARAM_COUNT;
			convert_to_long(pv_row);
			rownum = pv_row->value.lval;
			break;
		default:
			WRONG_PARAM_COUNT;
	}

	if(!ParameterPassedByReference(ht, numArgs)){
		php_error(E_WARNING, "Array not passed by reference in call to odbc_fetch_into()");
		RETURN_FALSE;
	}
#else
	pval *pv_res, *pv_res_arr, *tmp;

	numArgs = ARG_COUNT(ht);

	if(numArgs != 2 || getParameters(ht, 2, &pv_res, &pv_res_arr) == FAILURE){
		WRONG_PARAM_COUNT;
	}

	if(!ParameterPassedByReference(ht, numArgs)){
		php_error(E_WARNING, "Array not passed by reference in call to odbc_fetch_into()");
		RETURN_FALSE;
	}
#endif				

	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
	
	if(pv_res_arr->type != IS_ARRAY){
		if(array_init(pv_res_arr) == FAILURE){
			php_error(E_WARNING, "Can't convert to type Array");
			RETURN_FALSE;
		}
	}

#if 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;

#if HAVE_SQL_EXTENDED_FETCH
	if(rownum > 0 && result->fetch_abs)
		result->fetched = rownum;
	else
#endif
		result->fetched++;

	for(i = 0; i < result->numcols; i++){
		tmp = (pval *) emalloc(sizeof(pval));
		tmp->refcount = 1;
		tmp->type = IS_STRING;
		tmp->value.str.len = 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){
                    tmp->value.str.val = empty_string;
                    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){
                    tmp->value.str.val = empty_string;
                    break;
                }
        
                if(buf == NULL) buf = emalloc(result->longreadlen + 1);
                rc = SQLGetData(result->stmt, (UWORD)(i + 1),sql_c_type,
								buf, result->longreadlen + 1, &result->values[i].vallen);

                if(rc == SQL_ERROR){
					ODBC_SQL_ERROR(result->conn_ptr->hdbc, result->stmt, "SQLGetData");
					efree(buf);
					RETURN_FALSE;
				}
				if(rc == SQL_SUCCESS_WITH_INFO){
					tmp->value.str.len = result->longreadlen;
				}else if (result->values[i].vallen == SQL_NULL_DATA){
					tmp->value.str.val = empty_string;
					break;
				}else{
					tmp->value.str.len = result->values[i].vallen;
				}
				tmp->value.str.val = estrndup(buf, tmp->value.str.len);
				break;

			default:
				if(result->values[i].vallen == SQL_NULL_DATA){
					tmp->value.str.val = empty_string;
					break;
				}
				tmp->value.str.len = result->values[i].vallen;
				tmp->value.str.val = estrndup(result->values[i].value,tmp->value.str.len);
				break;
		}
		zend_hash_index_update(pv_res_arr->value.ht, i, &tmp, sizeof(pval *), NULL);
	}
	if (buf) efree(buf);
	RETURN_LONG(result->numcols);	
}
/* }}} */

#if HAVE_SOLID
PHP_FUNCTION(solid_fetch_prev)
{
	odbc_result *result;
	RETCODE rc;
	pval *pv_res;
	
	if(getParameters(ht, 1, &pv_res) == FAILURE)
		WRONG_PARAM_COUNT;
	
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	if(result->numcols == 0){
		php_error(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 int odbc_fetch_row(int result_id [, int row_number])
   Fetch a row */
PHP_FUNCTION(odbc_fetch_row)
{
	int numArgs;
	SDWORD rownum = 1;
	odbc_result *result;
	RETCODE rc;
	pval *pv_res, *pv_row;
#if HAVE_SQL_EXTENDED_FETCH
	UDWORD crow;
	UWORD RowStatus[1];
#endif

	numArgs = ARG_COUNT(ht);
	if(numArgs ==  1){
		if(getParameters(ht, 1, &pv_res) == FAILURE)
			WRONG_PARAM_COUNT;
	}else{
		if(getParameters(ht, 2, &pv_res, &pv_row) == FAILURE)
			WRONG_PARAM_COUNT;
		convert_to_long(pv_row);
		rownum = pv_row->value.lval;
	}
	
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}

#if HAVE_SQL_EXTENDED_FETCH
    if(result->fetch_abs){
		if(numArgs > 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(numArgs > 1){
		result->fetched = rownum;
	}else{
		result->fetched++;
	}
	
	RETURN_TRUE;
}	
/* }}} */

/* {{{ proto string odbc_result(int result_id, mixed field)
   Get result data */ 
PHP_FUNCTION(odbc_result)
{
	char *field;
	int field_ind;
	SWORD sql_c_type = SQL_C_CHAR;
	odbc_result *result;
	int i = 0;
	RETCODE rc;
	SDWORD	fieldsize;
	pval *pv_res, *pv_field;
#if HAVE_SQL_EXTENDED_FETCH
	UDWORD crow;
	UWORD RowStatus[1];
#endif

	field_ind = -1;
	field = NULL;

	if(ARG_COUNT(ht) != 2 || getParameters(ht, 2 , &pv_res, &pv_field) == FAILURE){
		WRONG_PARAM_COUNT;
	}
	
	if(pv_field->type == IS_STRING){
		field = pv_field->value.str.val;
	}else{
		convert_to_long(pv_field);
		field_ind = pv_field->value.lval - 1;
	}
	
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if((result->numcols == 0)){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
	
	/* get field index if the field parameter was a string */
	if(field != NULL){
		for(i = 0; i < result->numcols; i++){
			if(!strcasecmp(result->values[i].name, field)){
				field_ind = i;
				break;
			}
		}

		if(field_ind < 0){
			php_error(E_WARNING, "Field %s not found", field);
			RETURN_FALSE;
		}
	}else{
		/* check for limits of field_ind if the field parameter was an int */
		if (field_ind >= result->numcols || field_ind < 0){
			php_error(E_WARNING, "Field index is larger than the number of fields");
			RETURN_FALSE;
		}
	}

	if(result->fetched == 0){
		/* User forgot to call odbc_fetchrow(), let's do it here */
#if HAVE_SQL_EXTENDED_FETCH
		if(result->fetch_abs)
			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;
		
		result->fetched++;
	}

	switch(result->values[field_ind].coltype){
        case SQL_BINARY:
        case SQL_VARBINARY:
        case SQL_LONGVARBINARY:
            if(result->binmode <= 1) sql_c_type = SQL_C_BINARY;
            if(result->binmode <= 0) break; 
        case SQL_LONGVARCHAR:
            if(IS_SQL_LONG(result->values[field_ind].coltype)){
               if(result->longreadlen <= 0) 
				   break;
			   else 
				   fieldsize = result->longreadlen;
			}else{
			   SQLColAttributes(result->stmt, (UWORD)(field_ind + 1), 
					   			(UWORD)((sql_c_type == SQL_C_BINARY) ? SQL_COLUMN_LENGTH :
					   			SQL_COLUMN_DISPLAY_SIZE),
					   			NULL, 0, NULL, &fieldsize);
			}
			/* For char data, the length of the returned string will be longreadlen - 1 */
			fieldsize = (result->longreadlen <= 0) ? 4096 : result->longreadlen;
            field = emalloc(fieldsize);
            if(!field){
                php_error(E_WARNING, "Out of memory");
                RETURN_FALSE;
            }
		/* SQLGetData will truncate CHAR data to fieldsize - 1 bytes and append \0.
		   For binary data it is truncated to fieldsize bytes. 
		 */
            rc = SQLGetData(result->stmt, (UWORD)(field_ind + 1), sql_c_type,
                            field, fieldsize, &result->values[field_ind].vallen);
            
            if(rc == SQL_ERROR){
                ODBC_SQL_ERROR(result->conn_ptr->hdbc, result->stmt, "SQLGetData");
                efree(field);
                RETURN_FALSE;
            }
            
            if(result->values[field_ind].vallen == SQL_NULL_DATA || rc == SQL_NO_DATA_FOUND){
                efree(field);
				RETURN_FALSE;
            }
			/* Reduce fieldlen by 1 if we have char data. One day we might 
			   have binary strings... */
			if(result->values[field_ind].coltype == SQL_LONGVARCHAR) fieldsize -= 1;
            /* Don't duplicate result, saves one emalloc.
			   For SQL_SUCCESS, the length is in vallen.
			 */
            RETURN_STRINGL(field, (rc == SQL_SUCCESS_WITH_INFO) ? fieldsize :
                           result->values[field_ind].vallen, 0);
            break;
			
		default:
			if(result->values[field_ind].vallen == SQL_NULL_DATA){
				RETURN_FALSE;
			}else{
				RETURN_STRINGL(result->values[field_ind].value, result->values[field_ind].vallen, 1);
			}
			break;
	}

/* If we come here, output unbound LONG and/or BINARY column data to the client */
	
	/* We emalloc 1 byte more for SQL_C_CHAR (trailing \0) */
	fieldsize = (sql_c_type == SQL_C_CHAR) ? 4096 : 4095;
    if((field = emalloc(fieldsize)) == NULL){
        php_error(E_WARNING,"Out of memory");
        RETURN_FALSE;
    }
    
	/* Call SQLGetData() until SQL_SUCCESS is returned */
	while(1){
        rc = SQLGetData(result->stmt, (UWORD)(field_ind + 1),sql_c_type,
                            field, fieldsize, &result->values[field_ind].vallen);

		if(rc == SQL_ERROR){
			ODBC_SQL_ERROR(result->conn_ptr->hdbc, result->stmt, "SQLGetData");
            efree(field);
			RETURN_FALSE;
		}
        
        if(result->values[field_ind].vallen == SQL_NULL_DATA){
            efree(field);
            RETURN_FALSE;
        }
        /* chop the trailing \0 by outputing only 4095 bytes */
		PHPWRITE(field,(rc == SQL_SUCCESS_WITH_INFO) ? 4095 :
                           result->values[field_ind].vallen);

		if(rc == SQL_SUCCESS) { /* no more data avail */
            efree(field);
			RETURN_TRUE;
		}
	}
	RETURN_TRUE;
}
/* }}} */

/* {{{ proto int odbc_result_all(int result_id [, string format])
   Print result as HTML table */
PHP_FUNCTION(odbc_result_all)
{
	char *buf = NULL;
	int i, numArgs;
	odbc_result *result;
	RETCODE rc;
	pval *pv_res, *pv_format;
	SWORD sql_c_type;
#if HAVE_SQL_EXTENDED_FETCH
	UDWORD crow;
	UWORD RowStatus[1];
#endif

	numArgs = ARG_COUNT(ht);
	if(numArgs ==  1){
		if(getParameters(ht, 1, &pv_res) == FAILURE)
			WRONG_PARAM_COUNT;
	}else{
		if(getParameters(ht, 2, &pv_res, &pv_format) == FAILURE)
			WRONG_PARAM_COUNT;
	}
				
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
#if HAVE_SQL_EXTENDED_FETCH
	if(result->fetch_abs)
		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){
		php_printf("<h2>No rows found</h2>\n");
		RETURN_LONG(0);
	}
	
	/* Start table tag */
	if(numArgs == 1){
		php_printf("<table><tr>");
	}else{
		convert_to_string(pv_format);	
		php_printf("<table %s ><tr>",pv_format->value.str.val); 
	}
	
	for(i = 0; i < result->numcols; i++)
		php_printf("<th>%s</th>", result->values[i].name);

	php_printf("</tr>\n");

	while(rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO){
		result->fetched++;
		php_printf("<tr>");
		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){
						php_printf("<td>Not printable</td>");
						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){
						php_printf("<td>Not printable</td>"); 
						break;
					}

					if(buf == NULL) buf = emalloc(result->longreadlen);

					rc = SQLGetData(result->stmt, (UWORD)(i + 1),sql_c_type,
								buf, result->longreadlen, &result->values[i].vallen);
 
					php_printf("<td>");

					if(rc == SQL_ERROR){
						ODBC_SQL_ERROR(result->conn_ptr->hdbc, result->stmt, "SQLGetData");
						php_printf("</td></tr></table>");
						efree(buf);
						RETURN_FALSE;
					}
					if(rc == SQL_SUCCESS_WITH_INFO)
						php_printf(buf,result->longreadlen);
					else if(result->values[i].vallen == SQL_NULL_DATA){
						php_printf("&nbsp;</td>");
						break;
					}else{
                    	php_printf(buf, result->values[i].vallen);
					}
					php_printf("</td>");
					break;
				default:
					if(result->values[i].vallen == SQL_NULL_DATA){
						php_printf("<td>&nbsp;</td>");
					}else{
						php_printf("<td>%s</td>", result->values[i].value);
					}
					break;
			}
		}
   		php_printf("</tr>\n");

#if HAVE_SQL_EXTENDED_FETCH
		if(result->fetch_abs)
			rc = SQLExtendedFetch(result->stmt,SQL_FETCH_NEXT,1,&crow,RowStatus);
		else
#endif
			rc = SQLFetch(result->stmt);		
	}
	php_printf("</table>\n");
    if (buf) efree(buf);
	RETURN_LONG(result->fetched);
}
/* }}} */

/* {{{ proto int odbc_free_result(int result_id)
   Free resources associated with a result */
PHP_FUNCTION(odbc_free_result)
{
	pval *pv_res;
	odbc_result *result;

	if(getParameters(ht, 1, &pv_res) == FAILURE){
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	zend_list_delete(pv_res->value.lval);
	
	RETURN_TRUE;
}
/* }}} */

/* {{{ proto int odbc_connect(string DSN, string user, string password [, int cursor_option])
   Connect to a datasource */
PHP_FUNCTION(odbc_connect)
{
	odbc_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */

/* {{{ proto int odbc_pconnect(string DSN, string user, string password [, int cursor_option])
   Establish a persistant connection to a datasource */
PHP_FUNCTION(odbc_pconnect)
{
	odbc_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

int odbc_sqlconnect(odbc_connection **conn, char *db, char *uid, char *pwd, int cur_opt, int persistent ODBCLS_DC)
{
	RETCODE rc;
	
	*conn = (odbc_connection *)pemalloc(sizeof(odbc_connection), persistent);
	(*conn)->persistent = persistent;
	SQLAllocConnect(ODBCG(henv), &((*conn)->hdbc));
	
#if HAVE_SOLID
	SQLSetConnectOption((*conn)->hdbc, SQL_TRANSLATE_OPTION,
			SQL_SOLID_XLATOPT_NOCNV);
#endif
#if HAVE_OPENLINK
	{
		char dsnbuf[300];
		short dsnbuflen;

		rc = SQLDriverConnect((*conn)->hdbc, NULL, db, SQL_NTS,
							dsnbuf, sizeof(dsnbuf) - 1, &dsnbuflen,
							SQL_DRIVER_NOPROMPT);
	}
#else
	if(cur_opt != SQL_CUR_DEFAULT){
		rc = SQLSetConnectOption((*conn)->hdbc, SQL_ODBC_CURSORS, cur_opt);
		if(rc != SQL_SUCCESS){  /* && rc != SQL_SUCCESS_WITH_INFO ? */
			ODBC_SQL_ERROR((*conn)->hdbc, SQL_NULL_HSTMT, "SQLSetConnectOption");
			SQLFreeConnect((*conn)->hdbc);
			pefree(*conn, persistent);
			return FALSE;
		}
	}
#if HAVE_EMPRESS
	{
		int     direct = 0;
		char    dsnbuf[300];
		short   dsnbuflen;
		char    *ldb = 0;

		if(strstr((char*)db, ";")){
			direct = 1;
			if(uid && !strstr ((char*)db, "uid") &&
						!strstr((char*)db, "UID")){
				ldb = (char*)emalloc(strlen(db) + strlen(uid) + strlen(pwd) + 12);
				sprintf(ldb, "%s;UID=%s;PWD=%s", db, uid, pwd);
			}else{
				ldb = (char*)emalloc(strlen(db) + 1);
				strcat(ldb, db);
			}
		}

		if(direct)
			rc = SQLDriverConnect((*conn)->hdbc, NULL, ldb, strlen(ldb), dsnbuf, 300,
									&dsnbuflen, SQL_DRIVER_NOPROMPT);
		else
			rc = SQLConnect((*conn)->hdbc, db, SQL_NTS, uid, SQL_NTS, pwd, SQL_NTS);
		if(ldb)
			efree(ldb);
	}
#else
	rc = SQLConnect((*conn)->hdbc, db, SQL_NTS, uid, SQL_NTS, pwd, SQL_NTS);
#endif
#endif
	if(rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
		ODBC_SQL_ERROR((*conn)->hdbc, SQL_NULL_HSTMT, "SQLConnect");
		SQLFreeConnect((*conn)->hdbc);
		pefree((*conn), persistent);
		return FALSE;
	}
	(*conn)->open = 1;
	return TRUE;
}
/* Persistent connections: two list-types le_pconn, le_conn and a plist
 * where hashed connection info is stored together with index pointer to
 * the actual link of type le_pconn in the list. Only persistent 
 * connections get hashed up. Normal connections use existing pconnections.
 * Maybe this has to change with regard to transactions on pconnections?
 * Possibly set autocommit to on on request shutdown.
 *
 * We do have to hash non-persistent connections, and reuse connections.
 * In the case where two connects were being made, without closing the first
 * connect, access violations were occuring.  This is because some of the
 * "globals" in this module should actualy be per-connection variables.  I
 * simply fixed things to get them working for now.  Shane
 */
void odbc_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
	char    *db = NULL;
	char    *uid = NULL;
	char    *pwd = NULL;
	pval *pv_db, *pv_uid, *pv_pwd, *pv_opt;
	odbc_connection *db_conn;
	char *hashed_details;
	int hashed_len, len, cur_opt;
	ODBCLS_FETCH();
	PLS_FETCH();

	/*  Now an optional 4th parameter specifying the cursor type
	 *  defaulting to the cursors default
	 */
	switch(ARG_COUNT(ht)) {
		case 3:	
			if (getParameters(ht, 3, &pv_db, &pv_uid, &pv_pwd) == FAILURE) {
				WRONG_PARAM_COUNT;
			}
			/* Use Default: Probably a better way to do this */
			cur_opt = SQL_CUR_DEFAULT;
			break;
		case 4:
			if (getParameters(ht, 4, &pv_db, &pv_uid, &pv_pwd, &pv_opt) == FAILURE) {
				WRONG_PARAM_COUNT;
			}
			convert_to_long(pv_opt);
			cur_opt = pv_opt->value.lval;

			/* Confirm the cur_opt range */
			if (! (cur_opt == SQL_CUR_USE_IF_NEEDED || 
				cur_opt == SQL_CUR_USE_ODBC || 
				cur_opt == SQL_CUR_USE_DRIVER || 
				cur_opt == SQL_CUR_DEFAULT) ) {
				php_error(E_WARNING, "odbc: Invalid Cursor type (%d)", cur_opt);
				RETURN_FALSE;
			}
			break;
		default:
			WRONG_PARAM_COUNT;
			break;
	}

	convert_to_string(pv_db);
	convert_to_string(pv_uid);
	convert_to_string(pv_pwd);

	db = pv_db->value.str.val;
	uid = pv_uid->value.str.val;
	pwd = pv_pwd->value.str.val;

	if (ODBCG(allow_persistent) <= 0) {
		persistent = 0;
	}

	len = strlen(db) + strlen(uid) + strlen(pwd) + sizeof(ODBC_TYPE) - 1 + 5;
	hashed_details = emalloc(len);

	if (hashed_details == NULL) {
		php_error(E_WARNING, "Out of memory");
		RETURN_FALSE;
	}

	hashed_len = php_sprintf(hashed_details, "%s_%s_%s_%s_%d", ODBC_TYPE, db, uid, pwd, cur_opt);

	/* FIXME the idea of checking to see if our connection is already persistent
		is good, but it adds a lot of overhead to non-persistent connections.  We
		should look and see if we can fix that somehow */
	/* try to find if we already have this link in our persistent list,
	 * no matter if it is to be persistent or not
	 */

	if(persistent){
		list_entry *le;
		
		if(zend_hash_find(plist, hashed_details, hashed_len + 1, (void **) &le)
		  					== FAILURE) { /* the link is not in the persistent list */
			list_entry new_le;
			
			if(ODBCG(max_links) != -1 && ODBCG(num_links) >= ODBCG(max_links)){
				php_error(E_WARNING, "odbc: Too many open links (%d)", ODBCG(num_links));
				efree(hashed_details);
				RETURN_FALSE;
			}
			if(ODBCG(max_persistent) != -1 && ODBCG(num_persistent) >= ODBCG(max_persistent)){
				php_error(E_WARNING,"odbc: Too many open persistent links (%d)", ODBCG(num_persistent));
				efree(hashed_details);
				RETURN_FALSE;
			}
			
			if(!odbc_sqlconnect(&db_conn, db, uid, pwd, cur_opt, 1 ODBCLS_CC)){
				efree(hashed_details);
				RETURN_FALSE;
			}
			
			new_le.type = le_pconn;
			new_le.ptr = db_conn;
			if(zend_hash_update(plist, hashed_details, hashed_len + 1, &new_le,
						sizeof(list_entry), NULL) == FAILURE){
				free(db_conn);
				efree(hashed_details);
				RETURN_FALSE;
			}
			ODBCG(num_persistent)++;
			ODBCG(num_links)++;
		}else{ /* found connection */
			if(le->type != le_pconn){
				RETURN_FALSE;
			}
			/* XXX we should ensure that the connection is still available */
			db_conn = (odbc_connection *)le->ptr;
		}
		ZEND_REGISTER_RESOURCE(return_value, db_conn, le_pconn);
	}else{ /* non persistent */
		list_entry *index_ptr, new_index_ptr;
		void *ptr;
		
		if(zend_hash_find(list, hashed_details, hashed_len + 1, 
					(void **) &index_ptr) == SUCCESS){
			int type, conn_id;
			void *ptr;		
			if(index_ptr->type != le_index_ptr){
				RETURN_FALSE;
			}
			conn_id = (int)index_ptr->ptr;
			ptr = zend_list_find(conn_id, &type);   /* check if the connection is still there */
			if(ptr && (type == le_conn || type == le_pconn)) {
				zend_list_addref(conn_id);
				return_value->value.lval = conn_id;
				return_value->type = IS_RESOURCE;
				efree(hashed_details);
				return;
			}else{
				zend_hash_del(list, hashed_details, hashed_len + 1);
			}
		}
		if(ODBCG(max_links) != -1 && ODBCG(num_links) >= ODBCG(max_links)){
			php_error(E_WARNING,"ODBC:  Too many open connections (%d)",ODBCG(num_links));
			efree(hashed_details);
			RETURN_FALSE;
		}

		if(!odbc_sqlconnect(&db_conn, db, uid, pwd, cur_opt, 0 ODBCLS_CC)){
			efree(hashed_details);
			RETURN_FALSE;
		}
		ZEND_REGISTER_RESOURCE(return_value, db_conn, le_conn);
		new_index_ptr.ptr = (void *) return_value->value.lval;
		new_index_ptr.type = le_index_ptr;
		if(zend_hash_update(list, hashed_details, hashed_len + 1, (void *) &new_index_ptr,
				   sizeof(list_entry), NULL) == FAILURE){
			efree(hashed_details);
			RETURN_FALSE;
		}
		ODBCG(num_links)++;
	}
	efree(hashed_details);
}

/* {{{ proto void odbc_close(int connection_id)
   Close an ODBC connection */
PHP_FUNCTION(odbc_close)
{
	pval *pv_conn;
	odbc_connection *conn;
	int ind;
	ODBCLS_FETCH();

    if (getParameters(ht, 1, &pv_conn) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	conn = (odbc_connection *) zend_fetch_resource_ex(pv_conn, -1, "ODBC connection", 2, le_conn, le_pconn);
	ZEND_VERIFY_RESOURCE(conn);
	
	zend_list_delete(pv_conn->value.lval);
}
/* }}} */

/* {{{ proto int odbc_num_rows(int result_id)
   Get number of rows in a result */
PHP_FUNCTION(odbc_num_rows)
{
	odbc_result *result;
	SDWORD rows;
	pval *pv_res;
	
	if(getParameters(ht, 1, &pv_res) == FAILURE){
		WRONG_PARAM_COUNT;
	}            

	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	SQLRowCount(result->stmt, &rows);
	RETURN_LONG(rows);
}
/* }}} */

/* {{{ proto int odbc_num_fields(int result_id)
   Get number of columns in a result */
PHP_FUNCTION(odbc_num_fields)
{
	odbc_result   *result;
	pval     *pv_res;

 	if(getParameters(ht, 1, &pv_res) == FAILURE){
		WRONG_PARAM_COUNT;
	}                            
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result); 
	RETURN_LONG(result->numcols);
}
/* }}} */

/* {{{ proto string odbc_field_name(int result_id, int field_number)
   Get a column name */
PHP_FUNCTION(odbc_field_name)
{
	odbc_result       *result;
	pval     *pv_res, *pv_num;
	
	if(getParameters(ht, 2, &pv_res, &pv_num) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
		
	convert_to_long(pv_num);
	
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
	
	if(pv_num->value.lval > result->numcols){
		php_error(E_WARNING, "Field index larger than number of fields");
		RETURN_FALSE;
	}
	
	if(pv_num->value.lval < 1){
		php_error(E_WARNING, "Field numbering starts at 1");
		RETURN_FALSE;
	}
	
	RETURN_STRING(result->values[pv_num->value.lval - 1].name, 1)
}
/* }}} */

/* {{{ proto string odbc_field_type(int result_id, int field_number)
   Get the datatype of a column */
PHP_FUNCTION(odbc_field_type)
{
	odbc_result	*result;
	char    	tmp[32];
	SWORD   	tmplen;
	pval     *pv_res, *pv_num;

	if(getParameters(ht, 2, &pv_res, &pv_num) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long(pv_num);

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

	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
	
	if(pv_num->value.lval > result->numcols){
		php_error(E_WARNING, "Field index larger than number of fields");
		RETURN_FALSE;
	}

	if(pv_num->value.lval < 1){
		php_error(E_WARNING, "Field numbering starts at 1");
		RETURN_FALSE;
	}

	SQLColAttributes(result->stmt, (UWORD)pv_num->value.lval,
					 SQL_COLUMN_TYPE_NAME, tmp, 31, &tmplen, NULL);
	RETURN_STRING(tmp,1)
}
/* }}} */

/* {{{ proto int odbc_field_len(int result_id, int field_number)
   Get the length of a column */   
PHP_FUNCTION(odbc_field_len)
{
	odbc_result *result;
	SDWORD len;
	pval *pv_res, *pv_num;

	if(getParameters(ht, 2, &pv_res, &pv_num) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long(pv_num);

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

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

	if(pv_num->value.lval > result->numcols){
		php_error(E_WARNING, "Field index larger than number of fields");
		RETURN_FALSE;
	}

	if(pv_num->value.lval < 1){
		php_error(E_WARNING, "Field numbering starts at 1");
		RETURN_FALSE;
	}

	SQLColAttributes(result->stmt, (UWORD)pv_num->value.lval, 
					 SQL_COLUMN_PRECISION, NULL, 0, NULL, &len);
	
	RETURN_LONG(len);
}
/* }}} */

/* {{{ proto int odbc_field_num(int result_id, string field_name)
   Return column number */
PHP_FUNCTION(odbc_field_num)
{
	int field_ind;
	char *fname;
	odbc_result *result;
	int i;
	pval *pv_res, *pv_name;

	if(getParameters(ht, 2, &pv_res, &pv_name) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_string(pv_name);
	fname = pv_name->value.str.val;
	
	ZEND_FETCH_RESOURCE(result, odbc_result *, pv_res, -1, "ODBC result", le_result);
	
	if(result->numcols == 0){
		php_error(E_WARNING, "No tuples available at this result index");
		RETURN_FALSE;
	}
		
	field_ind = -1;
	for(i = 0; i < result->numcols; i++){
		if(strcasecmp(result->values[i].name, fname) == 0)
			field_ind = i + 1;
		}
	
	if(field_ind == -1)
		RETURN_FALSE;
	RETURN_LONG(field_ind);
}
/* }}} */

/* {{{ proto int odbc_autocommit(int connection_id, [int OnOff])
   Toggle autocommit mode or get status
   There can be problems with pconnections!*/
PHP_FUNCTION(odbc_autocommit)
{
	odbc_connection *conn;
	RETCODE rc;
	pval *pv_conn, *pv_onoff = NULL;
	int argc;

	argc = ARG_COUNT(ht);
	if(argc == 2){
		if(getParameters(ht, 2, &pv_conn, &pv_onoff) == FAILURE) {
			WRONG_PARAM_COUNT;
		}
	}else if(argc == 1){
		if(getParameters(ht, 1, &pv_conn) == FAILURE){
			WRONG_PARAM_COUNT;
		}
	}else{
		WRONG_PARAM_COUNT;
	}

	conn = (odbc_connection *) zend_fetch_resource_ex(pv_conn, -1, "ODBC connection", 2, le_conn, le_pconn);
	ZEND_VERIFY_RESOURCE(conn);
		
	if(pv_onoff){
		convert_to_long(pv_onoff);
		rc = SQLSetConnectOption(conn->hdbc, SQL_AUTOCOMMIT,
								 (pv_onoff->value.lval) ?
								 SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF);
		if(rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
			ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "Set autocommit");
			RETURN_FALSE;
		}
		RETVAL_TRUE;
	}else{
		SDWORD status;

		rc = SQLGetConnectOption(conn->hdbc, SQL_AUTOCOMMIT, (PTR)&status);
		if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
			ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "Get commit status");
			RETURN_FALSE;
		}
		RETVAL_LONG((long)status);
	}
}
/* }}} */

/* {{{ proto int odbc_commit(int connection_id)
   Commit an ODBC transaction */
PHP_FUNCTION(odbc_commit)
{
	odbc_transact(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/* {{{ proto int odbc_rollback(int connection_id)
   Rollback a transaction */
PHP_FUNCTION(odbc_rollback)
{
	odbc_transact(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */


/* {{{ proto int odbc_setoption(int conn_id|result_id, int which, int option, int value)
   Sets connection or statement options */
/* This one has to be used carefully. We can't allow to set connection options for
   persistent connections. I think that SetStmtOption is of little use, since most
   of those can only be specified before preparing/executing statements.
   On the other hand, they can be made connection wide default through SetConnectOption
   - but will be overidden by calls to SetStmtOption() in odbc_prepare/odbc_do
*/
PHP_FUNCTION(odbc_setoption)
{
	odbc_connection *conn;
	odbc_result	*result;
	RETCODE rc;
	pval *arg1, *arg2, *arg3, *arg4;

 	if ( getParameters(ht, 3, &arg1, &arg2, &arg3, &arg4) == FAILURE) {
		WRONG_PARAM_COUNT;
	}                            
 
	convert_to_long(arg2);
	convert_to_long(arg3);
	convert_to_long(arg4);

	switch (arg2->value.lval) {
		case 1:		/* SQLSetConnectOption */
			conn = (odbc_connection *) zend_fetch_resource_ex(arg1, -1, "ODBC connection",
					2, le_conn, le_pconn);
			ZEND_VERIFY_RESOURCE(conn);
			if(conn->persistent){
				php_error(E_WARNING, "Can't set option for persistent connection");
				RETURN_FALSE;
			}
			rc = SQLSetConnectOption(conn->hdbc, (unsigned short)(arg3->value.lval), (arg4->value.lval));
			if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
				ODBC_SQL_ERROR(conn->hdbc, SQL_NULL_HSTMT, "SetConnectOption");
				RETURN_FALSE;
			}
			break;
		case 2:		/* SQLSetStmtOption */
			ZEND_FETCH_RESOURCE(result, odbc_result *, arg1, -1, "ODBC result", le_result);
			
			rc = SQLSetStmtOption(result->stmt, (unsigned short)(arg3->value.lval), (arg4->value.lval));
			if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO){
				ODBC_SQL_ERROR(result->conn_ptr->hdbc, result->stmt, "SetStmtOption");
				RETURN_FALSE;
			}
			break;
		default:
			php_error(E_WARNING, "Unknown option type");
			RETURN_FALSE;
			break;
	}

	RETURN_TRUE;
}
/* }}} */

#endif /* HAVE_UODBC */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 */