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306 lines
10 KiB
C
306 lines
10 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2002 The PHP Group |
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+----------------------------------------------------------------------+
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| dbx module version 1.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 2001 Guidance Rotterdam BV |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author : Marc Boeren <marc@guidance.nl> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "dbx.h"
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#include "dbx_odbc.h"
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#define ODBC_ASSOC 1
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#define ODBC_NUM 2
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int dbx_odbc_connect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns connection handle as resource on success or 0 as long on failure */
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int number_of_arguments=3;
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zval **arguments[3];
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zval *returned_zval=NULL;
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arguments[0]=db;
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arguments[1]=username;
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arguments[2]=password;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_connect", &returned_zval, number_of_arguments, arguments);
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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return 0;
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}
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_pconnect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns connection handle as resource on success or 0 as long on failure */
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int number_of_arguments=3;
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zval **arguments[3];
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zval *returned_zval=NULL;
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arguments[0]=db;
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arguments[1]=username;
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arguments[2]=password;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_pconnect", &returned_zval, number_of_arguments, arguments);
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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return 0;
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}
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_close(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns 1 as long on success or 0 as long on failure */
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int number_of_arguments=1;
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zval **arguments[1];
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zval *returned_zval=NULL;
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int actual_resource_type;
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void *resource;
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resource = zend_list_find(Z_LVAL_PP(dbx_handle), &actual_resource_type);
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if (!resource) {
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return 0;
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}
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arguments[0]=dbx_handle;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_close", &returned_zval, number_of_arguments, arguments);
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_NULL) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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return 0;
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}
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convert_to_long_ex(&returned_zval);
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Z_LVAL_P(returned_zval)=1;
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_query(zval **rv, zval **dbx_handle, zval **db_name, zval **sql_statement, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns 1 as long or a result identifier as resource on success or 0 as long on failure */
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int number_of_arguments=2;
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zval **arguments[2];
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zval *queryresult_zval=NULL;
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zval *num_fields_zval=NULL;
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/* db_name is not used in this function */
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arguments[0]=dbx_handle;
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arguments[1]=sql_statement;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_exec", &queryresult_zval, number_of_arguments, arguments);
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/* odbc_query returns a bool for failure, or a result_identifier for success */
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if (!queryresult_zval || Z_TYPE_P(queryresult_zval)!=IS_RESOURCE) {
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if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
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return 0;
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}
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MAKE_STD_ZVAL(num_fields_zval);
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ZVAL_LONG(num_fields_zval, 0);
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if (!dbx_odbc_getcolumncount(&num_fields_zval, &queryresult_zval, INTERNAL_FUNCTION_PARAM_PASSTHRU)) {
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FREE_ZVAL(num_fields_zval);
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if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
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return 0;
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}
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if (Z_LVAL_P(num_fields_zval)==0) {
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Z_TYPE_PP(rv)=IS_BOOL;
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Z_LVAL_PP(rv)=1; /* success, but no data */
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FREE_ZVAL(num_fields_zval);
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if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
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return 1;
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}
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FREE_ZVAL(num_fields_zval);
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MOVE_RETURNED_TO_RV(rv, queryresult_zval);
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return 1;
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}
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int dbx_odbc_getcolumncount(zval **rv, zval **result_handle, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns column-count as long on success or 0 as long on failure */
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int number_of_arguments=1;
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zval **arguments[1];
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zval *returned_zval=NULL;
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arguments[0]=result_handle;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_num_fields", &returned_zval, number_of_arguments, arguments);
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_LONG || Z_LVAL_P(returned_zval)<0) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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return 0;
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}
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_getcolumnname(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns column-name as string on success or 0 as long on failure */
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int number_of_arguments=2;
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zval **arguments[2];
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zval *zval_column_index;
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zval *returned_zval=NULL;
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MAKE_STD_ZVAL(zval_column_index);
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ZVAL_LONG(zval_column_index, column_index+1);
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arguments[0]=result_handle;
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arguments[1]=&zval_column_index;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_field_name", &returned_zval, number_of_arguments, arguments);
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/* odbc_field_name returns a string */
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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FREE_ZVAL(zval_column_index);
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return 0;
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}
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FREE_ZVAL(zval_column_index);
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_getcolumntype(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns column-type as string on success or 0 as long on failure */
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int number_of_arguments=2;
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zval **arguments[2];
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zval *zval_column_index;
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zval *returned_zval=NULL;
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MAKE_STD_ZVAL(zval_column_index);
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ZVAL_LONG(zval_column_index, column_index+1);
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arguments[0]=result_handle;
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arguments[1]=&zval_column_index;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_field_type", &returned_zval, number_of_arguments, arguments);
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/* odbc_field_name returns a string */
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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FREE_ZVAL(zval_column_index);
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return 0;
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}
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FREE_ZVAL(zval_column_index);
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_getrow(zval **rv, zval **result_handle, long row_number, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns array[0..columncount-1] as strings on success or 0 as long on failure */
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int number_of_arguments;
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zval **arguments[2];
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zval *num_fields_zval=NULL;
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zval *fetch_row_result_zval=NULL;
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zval *field_result_zval=NULL;
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zval *field_index_zval;
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zval *returned_zval=NULL;
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long field_index;
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long field_count=-1;
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/* get # fields */
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MAKE_STD_ZVAL(num_fields_zval);
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ZVAL_LONG(num_fields_zval, 0);
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if (!dbx_odbc_getcolumncount(&num_fields_zval, result_handle, INTERNAL_FUNCTION_PARAM_PASSTHRU)) {
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return 0;
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}
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field_count=Z_LVAL_P(num_fields_zval);
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FREE_ZVAL(num_fields_zval);
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/* fetch row */
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number_of_arguments=1;
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arguments[0]=result_handle;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_fetch_row", &fetch_row_result_zval, number_of_arguments, arguments);
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if (!fetch_row_result_zval || Z_TYPE_P(fetch_row_result_zval)!=IS_BOOL) {
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if (fetch_row_result_zval) zval_ptr_dtor(&fetch_row_result_zval);
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return 0;
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}
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if (Z_LVAL_P(fetch_row_result_zval)==0) {
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Z_TYPE_PP(rv)=IS_LONG;
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Z_LVAL_PP(rv)=0; /* ok, no more rows */
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zval_ptr_dtor(&fetch_row_result_zval);
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return 0;
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}
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zval_ptr_dtor(&fetch_row_result_zval);
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/* fill array with field results... */
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MAKE_STD_ZVAL(returned_zval);
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if (array_init(returned_zval) != SUCCESS) {
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zend_error(E_ERROR, "dbx_odbc_getrow: unable to create result-array...");
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FREE_ZVAL(returned_zval);
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return 0;
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}
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MAKE_STD_ZVAL(field_index_zval);
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ZVAL_LONG(field_index_zval, 0);
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number_of_arguments=2;
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for (field_index=0; field_index<field_count; ++field_index) {
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ZVAL_LONG(field_index_zval, field_index+1);
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arguments[0]=result_handle;
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arguments[1]=&field_index_zval;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_result", &field_result_zval, number_of_arguments, arguments);
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zend_hash_index_update(Z_ARRVAL_P(returned_zval), field_index, (void *)&(field_result_zval), sizeof(zval *), NULL);
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}
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FREE_ZVAL(field_index_zval);
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_error(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns string */
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int number_of_arguments=1;
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zval **arguments[1];
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zval *returned_zval=NULL;
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arguments[0]=dbx_handle;
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if (!dbx_handle) number_of_arguments=0;
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dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_errormsg", &returned_zval, number_of_arguments, arguments);
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if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
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if (returned_zval) zval_ptr_dtor(&returned_zval);
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return 0;
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}
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MOVE_RETURNED_TO_RV(rv, returned_zval);
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return 1;
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}
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int dbx_odbc_esc(zval **rv, zval **dbx_handle, zval **string, INTERNAL_FUNCTION_PARAMETERS)
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{
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/* returns escaped string */
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/* replace ' with '' */
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char * str;
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int len;
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char * tmpstr;
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int tmplen;
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if (Z_STRLEN_PP(string) == 0) {
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ZVAL_EMPTY_STRING(*rv);
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return 1;
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}
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tmpstr = estrdup(Z_STRVAL_PP(string));
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tmplen = Z_STRLEN_PP(string);
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/* php_str_to_str uses a smart_str that allocates memory */
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/* this memory must be freed or passed on to rv */
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str = php_str_to_str(tmpstr, tmplen, "'", 1, "''", 2, &len);
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efree(tmpstr);
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ZVAL_STRINGL(*rv, str, len, 0);
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return 1;
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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