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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 The PHP Group |
+----------------------------------------------------------------------+
| dbx module version 1.0 |
+----------------------------------------------------------------------+
| Copyright (c) 2001 Guidance Rotterdam BV |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 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_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author : Marc Boeren <marc@guidance.nl> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "dbx.h"
#include "dbx_odbc.h"
#define ODBC_ASSOC 1
#define ODBC_NUM 2
int dbx_odbc_connect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns connection handle as resource on success or 0 as long on failure */
int number_of_arguments=3;
zval **arguments[3];
zval *returned_zval=NULL;
arguments[0]=db;
arguments[1]=username;
arguments[2]=password;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_connect", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_pconnect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns connection handle as resource on success or 0 as long on failure */
int number_of_arguments=3;
zval **arguments[3];
zval *returned_zval=NULL;
arguments[0]=db;
arguments[1]=username;
arguments[2]=password;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_pconnect", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_RESOURCE) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_close(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns 1 as long on success or 0 as long on failure */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
int actual_resource_type;
void *resource;
resource = zend_list_find(Z_LVAL_PP(dbx_handle), &actual_resource_type);
if (!resource) {
return 0;
}
arguments[0]=dbx_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_close", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_NULL) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
convert_to_long_ex(&returned_zval);
Z_LVAL_P(returned_zval)=1;
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_query(zval **rv, zval **dbx_handle, zval **db_name, zval **sql_statement, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns 1 as long or a result identifier as resource on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *queryresult_zval=NULL;
zval *num_fields_zval=NULL;
/* db_name is not used in this function */
arguments[0]=dbx_handle;
arguments[1]=sql_statement;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_exec", &queryresult_zval, number_of_arguments, arguments);
/* odbc_query returns a bool for failure, or a result_identifier for success */
if (!queryresult_zval || Z_TYPE_P(queryresult_zval)!=IS_RESOURCE) {
if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
return 0;
}
MAKE_STD_ZVAL(num_fields_zval);
ZVAL_LONG(num_fields_zval, 0);
if (!dbx_odbc_getcolumncount(&num_fields_zval, &queryresult_zval, INTERNAL_FUNCTION_PARAM_PASSTHRU)) {
FREE_ZVAL(num_fields_zval);
if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
return 0;
}
if (Z_LVAL_P(num_fields_zval)==0) {
Z_TYPE_PP(rv)=IS_BOOL;
Z_LVAL_PP(rv)=1; /* success, but no data */
FREE_ZVAL(num_fields_zval);
if (queryresult_zval) zval_ptr_dtor(&queryresult_zval);
return 1;
}
FREE_ZVAL(num_fields_zval);
MOVE_RETURNED_TO_RV(rv, queryresult_zval);
return 1;
}
int dbx_odbc_getcolumncount(zval **rv, zval **result_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-count as long on success or 0 as long on failure */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
arguments[0]=result_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_num_fields", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_LONG || Z_LVAL_P(returned_zval)<0) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_getcolumnname(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-name as string on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *zval_column_index;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(zval_column_index);
ZVAL_LONG(zval_column_index, column_index+1);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_field_name", &returned_zval, number_of_arguments, arguments);
/* odbc_field_name returns a string */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
FREE_ZVAL(zval_column_index);
return 0;
}
FREE_ZVAL(zval_column_index);
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_getcolumntype(zval **rv, zval **result_handle, long column_index, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns column-type as string on success or 0 as long on failure */
int number_of_arguments=2;
zval **arguments[2];
zval *zval_column_index;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(zval_column_index);
ZVAL_LONG(zval_column_index, column_index+1);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_field_type", &returned_zval, number_of_arguments, arguments);
/* odbc_field_name returns a string */
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
FREE_ZVAL(zval_column_index);
return 0;
}
FREE_ZVAL(zval_column_index);
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_getrow(zval **rv, zval **result_handle, long row_number, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns array[0..columncount-1] as strings on success or 0 as long on failure */
int number_of_arguments;
zval **arguments[2];
zval *num_fields_zval=NULL;
zval *fetch_row_result_zval=NULL;
zval *field_result_zval=NULL;
zval *field_index_zval;
zval *returned_zval=NULL;
long field_index;
long field_count=-1;
/* get # fields */
MAKE_STD_ZVAL(num_fields_zval);
ZVAL_LONG(num_fields_zval, 0);
if (!dbx_odbc_getcolumncount(&num_fields_zval, result_handle, INTERNAL_FUNCTION_PARAM_PASSTHRU)) {
return 0;
}
field_count=Z_LVAL_P(num_fields_zval);
FREE_ZVAL(num_fields_zval);
/* fetch row */
number_of_arguments=1;
arguments[0]=result_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_fetch_row", &fetch_row_result_zval, number_of_arguments, arguments);
if (!fetch_row_result_zval || Z_TYPE_P(fetch_row_result_zval)!=IS_BOOL) {
if (fetch_row_result_zval) zval_ptr_dtor(&fetch_row_result_zval);
return 0;
}
if (Z_LVAL_P(fetch_row_result_zval)==0) {
Z_TYPE_PP(rv)=IS_LONG;
Z_LVAL_PP(rv)=0; /* ok, no more rows */
zval_ptr_dtor(&fetch_row_result_zval);
return 0;
}
zval_ptr_dtor(&fetch_row_result_zval);
/* fill array with field results... */
MAKE_STD_ZVAL(returned_zval);
array_init(returned_zval);
MAKE_STD_ZVAL(field_index_zval);
ZVAL_LONG(field_index_zval, 0);
number_of_arguments=2;
for (field_index=0; field_index<field_count; ++field_index) {
ZVAL_LONG(field_index_zval, field_index+1);
arguments[0]=result_handle;
arguments[1]=&field_index_zval;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_result", &field_result_zval, number_of_arguments, arguments);
zend_hash_index_update(Z_ARRVAL_P(returned_zval), field_index, (void *)&(field_result_zval), sizeof(zval *), NULL);
}
FREE_ZVAL(field_index_zval);
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_error(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns string */
int number_of_arguments=1;
zval **arguments[1];
zval *returned_zval=NULL;
arguments[0]=dbx_handle;
if (!dbx_handle) number_of_arguments=0;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "odbc_errormsg", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_STRING) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_odbc_esc(zval **rv, zval **dbx_handle, zval **string, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns escaped string */
/* replace ' with '' */
char * str;
int len;
char * tmpstr;
int tmplen;
if (Z_STRLEN_PP(string) == 0) {
ZVAL_EMPTY_STRING(*rv);
return 1;
}
tmpstr = estrdup(Z_STRVAL_PP(string));
tmplen = Z_STRLEN_PP(string);
/* php_str_to_str uses a smart_str that allocates memory */
/* this memory must be freed or passed on to rv */
str = php_str_to_str(tmpstr, tmplen, "'", 1, "''", 2, &len);
efree(tmpstr);
ZVAL_STRINGL(*rv, str, len, 0);
return 1;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
