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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 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_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. |
+----------------------------------------------------------------------+
| Author : Rui Hirokawa <hirokawa@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "dbx.h"
#include "php_dbx.h"
#include "dbx_pgsql.h"
#include <string.h>
#define PGSQL_ASSOC 1<<0
#define PGSQL_NUM 1<<1
int dbx_pgsql_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 nargs=5;
char *port="5432", *connstring=NULL;
zval **args[5], *rarg = NULL;
zval *conn_zval = NULL;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(conn_zval);
ZVAL_LONG(conn_zval, 0);
if (Z_STRLEN_PP(username)>0) {
int len;
len = Z_STRLEN_PP(host)+Z_STRLEN_PP(db)+strlen(port);
len += Z_STRLEN_PP(username)+Z_STRLEN_PP(password)+45;
connstring = (char *)emalloc(len+1);
sprintf(connstring, "host='%s' port='%s' dbname='%s' user='%s' password='%s'",
Z_STRVAL_PP(host), port, Z_STRVAL_PP(db),
Z_STRVAL_PP(username), Z_STRVAL_PP(password));
ZVAL_STRING(conn_zval, connstring, 0);
args[0] = &conn_zval;
nargs = 1;
} else {
int k;
args[0] = host;
for (k=1;k<4;k++){
MAKE_STD_ZVAL(rarg);
ZVAL_EMPTY_STRING(rarg);
args[k] = &rarg;
}
args[4] = db;
}
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_connect", &returned_zval, nargs, args);
zval_dtor(conn_zval);
FREE_ZVAL(conn_zval);
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_pgsql_pconnect(zval **rv, zval **host, zval **db, zval **username, zval **password, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns persistent connection handle as resource on success or 0 as long on failure */
int nargs=5;
char *port="5432", *connstring=NULL;
zval **args[5], *rarg = NULL;
zval *conn_zval = NULL;
zval *returned_zval=NULL;
MAKE_STD_ZVAL(conn_zval);
ZVAL_LONG(conn_zval, 0);
if (Z_STRLEN_PP(username)>0) {
int len;
len = Z_STRLEN_PP(host)+Z_STRLEN_PP(db)+strlen(port);
len += Z_STRLEN_PP(username)+Z_STRLEN_PP(password)+45;
connstring = (char *)emalloc(len+1);
sprintf(connstring, "host='%s' port='%s' dbname='%s' user='%s' password='%s'",
Z_STRVAL_PP(host), port, Z_STRVAL_PP(db),
Z_STRVAL_PP(username), Z_STRVAL_PP(password));
ZVAL_STRING(conn_zval, connstring, 0);
args[0] = &conn_zval;
nargs = 1;
} else {
int k;
args[0] = host;
for (k=1;k<4;k++){
MAKE_STD_ZVAL(rarg);
ZVAL_EMPTY_STRING(rarg);
args[k] = &rarg;
}
args[4] = db;
}
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_pconnect", &returned_zval, nargs, args);
zval_dtor(conn_zval);
FREE_ZVAL(conn_zval);
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_pgsql_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;
arguments[0]=dbx_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_close", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_BOOL) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_pgsql_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 nargs=2;
zval **args[2];
zval *returned_zval=NULL;
/* db_name is not used in this function */
args[0]=dbx_handle;
args[1]=sql_statement;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_exec", &returned_zval, nargs, args);
/* pg_query returns a bool for success or failure,
or a result_identifier for select statements */
if (!returned_zval || (Z_TYPE_P(returned_zval)!=IS_BOOL && 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_pgsql_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, "pg_numfields", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_LONG) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_pgsql_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);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_fieldname", &returned_zval, number_of_arguments, arguments);
/* pg_fieldname 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_pgsql_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);
arguments[0]=result_handle;
arguments[1]=&zval_column_index;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_fieldtype", &returned_zval, number_of_arguments, arguments);
/* pg_fieldtype 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_pgsql_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=1;
zval **arguments[1];
zval *returned_zval=NULL;
arguments[0]=result_handle;
dbx_call_any_function(INTERNAL_FUNCTION_PARAM_PASSTHRU, "pg_fetch_array", &returned_zval, number_of_arguments, arguments);
if (!returned_zval || Z_TYPE_P(returned_zval)!=IS_ARRAY) {
if (returned_zval) zval_ptr_dtor(&returned_zval);
return 0;
}
MOVE_RETURNED_TO_RV(rv, returned_zval);
return 1;
}
int dbx_pgsql_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, "pg_errormessage", &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_pgsql_esc(zval **rv, zval **dbx_handle, zval **string, INTERNAL_FUNCTION_PARAMETERS)
{
/* returns escaped string */
/* replace \ with \\ */
/* ' 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);
tmpstr=str; tmplen=len;
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:
*/
|