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php-src/ext/msql/php_msql.c
Felipe Pena 84a8bb038a MFH: New way for check void parameters
2008-03-10 22:15:36 +00:00

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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_msql.h"
#include "ext/standard/php_standard.h"
#include "ext/standard/info.h"
#include "php_globals.h"
#if HAVE_MSQL
#define OS_UNIX 1
#if defined(WIN32) && defined(MSQL1)
#include <msql1.h>
#else
#include <msql.h>
#endif
static php_msql_globals msql_globals;
#define MSQL_ASSOC 1<<0
#define MSQL_NUM 1<<1
#define MSQL_BOTH (MSQL_ASSOC|MSQL_NUM)
/* {{{ msql_functions[]
*/
const zend_function_entry msql_functions[] = {
PHP_FE(msql_connect, NULL)
PHP_FE(msql_pconnect, NULL)
PHP_FE(msql_close, NULL)
PHP_FE(msql_select_db, NULL)
PHP_FE(msql_create_db, NULL)
PHP_FE(msql_drop_db, NULL)
PHP_FE(msql_query, NULL)
PHP_FE(msql_db_query, NULL)
PHP_FE(msql_list_dbs, NULL)
PHP_FE(msql_list_tables, NULL)
PHP_FE(msql_list_fields, NULL)
PHP_FE(msql_error, NULL)
PHP_FE(msql_result, NULL)
PHP_FE(msql_num_rows, NULL)
PHP_FE(msql_num_fields, NULL)
PHP_FE(msql_fetch_row, NULL)
PHP_FE(msql_fetch_array, NULL)
PHP_FE(msql_fetch_object, NULL)
PHP_FE(msql_data_seek, NULL)
PHP_FE(msql_fetch_field, NULL)
PHP_FE(msql_field_seek, NULL)
PHP_FE(msql_free_result, NULL)
PHP_FE(msql_field_name, NULL)
PHP_FE(msql_field_table, NULL)
PHP_FE(msql_field_len, NULL)
PHP_FE(msql_field_type, NULL)
PHP_FE(msql_field_flags, NULL)
PHP_FALIAS(msql_fieldname, msql_field_name, NULL)
PHP_FALIAS(msql_fieldtable, msql_field_table, NULL)
PHP_FALIAS(msql_fieldlen, msql_field_len, NULL)
PHP_FALIAS(msql_fieldtype, msql_field_type, NULL)
PHP_FALIAS(msql_fieldflags, msql_field_flags, NULL)
PHP_FALIAS(msql_regcase, sql_regcase, NULL)
PHP_FALIAS(msql_affected_rows, msql_affected_rows, NULL)
/* for downwards compatability */
PHP_FALIAS(msql, msql_db_query, NULL)
PHP_FALIAS(msql_selectdb, msql_select_db, NULL)
PHP_FALIAS(msql_createdb, msql_create_db, NULL)
PHP_FALIAS(msql_dropdb, msql_drop_db, NULL)
PHP_FALIAS(msql_freeresult, msql_free_result, NULL)
PHP_FALIAS(msql_numfields, msql_num_fields, NULL)
PHP_FALIAS(msql_numrows, msql_num_rows, NULL)
PHP_FALIAS(msql_listdbs, msql_list_dbs, NULL)
PHP_FALIAS(msql_listtables, msql_list_tables, NULL)
PHP_FALIAS(msql_listfields, msql_list_fields, NULL)
PHP_FALIAS(msql_dbname, msql_result, NULL)
PHP_FALIAS(msql_tablename, msql_result, NULL)
{NULL, NULL, NULL}
};
/* }}} */
zend_module_entry msql_module_entry = {
STANDARD_MODULE_HEADER,
"msql", msql_functions, PHP_MINIT(msql), NULL, PHP_RINIT(msql), NULL,
PHP_MINFO(msql), NO_VERSION_YET, STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_MSQL
ZEND_GET_MODULE(msql)
#endif
typedef struct {
m_result *result;
int af_rows;
} m_query;
#define MSQL_GET_QUERY(res) \
ZEND_FETCH_RESOURCE(msql_query, m_query *, &res, -1, "mSQL result", msql_globals.le_query); \
msql_result = msql_query->result
static void _delete_query(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
m_query *query = (m_query *)rsrc->ptr;
if(query->result) msqlFreeResult(query->result);
efree(query);
}
static m_query *php_msql_query_wrapper(m_result *res, int af_rows)
{
m_query *query = (m_query *) emalloc(sizeof(m_query));
query->result = res;
query->af_rows = af_rows;
return query;
}
static void _close_msql_link(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
int link = (int)rsrc->ptr;
msqlClose(link);
msql_globals.num_links--;
}
static void _close_msql_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
int link = (int)rsrc->ptr;
msqlClose(link);
msql_globals.num_persistent--;
msql_globals.num_links--;
}
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(msql)
{
if (cfg_get_long("msql.allow_persistent",&msql_globals.allow_persistent)==FAILURE) {
msql_globals.allow_persistent=1;
}
if (cfg_get_long("msql.max_persistent",&msql_globals.max_persistent)==FAILURE) {
msql_globals.max_persistent=-1;
}
if (cfg_get_long("msql.max_links",&msql_globals.max_links)==FAILURE) {
msql_globals.max_links=-1;
}
msql_globals.num_persistent=0;
msql_globals.le_query = zend_register_list_destructors_ex(_delete_query, NULL, "msql query", module_number);
msql_globals.le_link = zend_register_list_destructors_ex(_close_msql_link, NULL, "msql link", module_number);
msql_globals.le_plink = zend_register_list_destructors_ex(NULL, _close_msql_plink, "msql link persistent", module_number);
Z_TYPE(msql_module_entry) = type;
REGISTER_LONG_CONSTANT("MSQL_ASSOC", MSQL_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSQL_NUM", MSQL_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSQL_BOTH", MSQL_BOTH, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_RINIT_FUNCTION
*/
PHP_RINIT_FUNCTION(msql)
{
msql_globals.default_link=-1;
msql_globals.num_links = msql_globals.num_persistent;
msqlErrMsg[0]=0;
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(msql)
{
char maxp[32],maxl[32];
if (msql_globals.max_persistent==-1) {
snprintf(maxp, 31, "%d/unlimited", msql_globals.num_persistent );
} else {
snprintf(maxp, 31, "%d/%ld", msql_globals.num_persistent, msql_globals.max_persistent);
}
maxp[31]=0;
if (msql_globals.max_links==-1) {
snprintf(maxl, 15, "%d/unlimited", msql_globals.num_links );
} else {
snprintf(maxl, 15, "%d/%ld", msql_globals.num_links, msql_globals.max_links);
}
maxl[31]=0;
php_info_print_table_start();
php_info_print_table_row(2, "MSQL Support", "enabled" );
php_info_print_table_row(2, "Allow Persistent Links", (msql_globals.allow_persistent?"yes":"no") );
php_info_print_table_row(2, "Persistent Links", maxp );
php_info_print_table_row(2, "Total Links", maxl );
php_info_print_table_end();
}
/* }}} */
/* {{{ php_msql_do_connect
*/
static void php_msql_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent)
{
char *host;
char *hashed_details;
int hashed_details_length;
int msql;
switch(ZEND_NUM_ARGS()) {
case 0: /* defaults */
host=NULL;
hashed_details=estrndup("msql_",5);
hashed_details_length=4+1;
break;
case 1: {
zval *yyhost;
if (zend_get_parameters(ht, 1, &yyhost) == FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
host = Z_STRVAL_P(yyhost);
hashed_details_length = spprintf(&hashed_details, 0, "msql_%s",Z_STRVAL_P(yyhost));
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
if (!msql_globals.allow_persistent) {
persistent=0;
}
if (persistent) {
zend_rsrc_list_entry *le;
if (msql_globals.max_links!=-1 && msql_globals.num_links>=msql_globals.max_links) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%d)", msql_globals.num_links);
efree(hashed_details);
RETURN_FALSE;
}
if (msql_globals.max_persistent!=-1 && msql_globals.num_persistent>=msql_globals.max_persistent) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open persistent links (%d)", msql_globals.num_persistent);
efree(hashed_details);
RETURN_FALSE;
}
/* try to find if we already have this link in our persistent list */
if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */
zend_rsrc_list_entry new_le;
/* create the link */
if ((msql=msqlConnect(host))==-1) {
efree(hashed_details);
RETURN_FALSE;
}
/* hash it up */
Z_TYPE(new_le) = msql_globals.le_plink;
new_le.ptr = (void *) msql;
if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
efree(hashed_details);
RETURN_FALSE;
}
msql_globals.num_persistent++;
msql_globals.num_links++;
} else { /* we do */
if (Z_TYPE_P(le) != msql_globals.le_plink) {
efree(hashed_details);
RETURN_FALSE;
}
#if 0
/* ensure that the link did not die */
/* still have to find a way to do this nicely with mSQL */
if (msql_stat(le->ptr)==NULL) { /* the link died */
if (msql_connect(le->ptr,host,user,passwd)==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "mSQL link lost, unable to reconnect");
zend_hash_del(&EG(persistent_list),hashed_details,hashed_details_length+1);
efree(hashed_details);
RETURN_FALSE;
}
}
#endif
msql = (int) le->ptr;
}
ZEND_REGISTER_RESOURCE(return_value, (void *) msql, msql_globals.le_plink);
} else {
zend_rsrc_list_entry *index_ptr,new_index_ptr;
/* first we check the hash for the hashed_details key. if it exists,
* it should point us to the right offset where the actual msql link sits.
* if it doesn't, open a new msql link, add it to the resource list,
* and add a pointer to it with hashed_details as the key.
*/
if (zend_hash_find(&EG(regular_list),hashed_details,hashed_details_length+1,(void **) &index_ptr)==SUCCESS) {
int type,link;
void *ptr;
if (Z_TYPE_P(index_ptr) != le_index_ptr) {
RETURN_FALSE;
}
link = (int) index_ptr->ptr;
ptr = zend_list_find(link,&type); /* check if the link is still there */
if (ptr && (type==msql_globals.le_link || type==msql_globals.le_plink)) {
Z_LVAL_P(return_value) = msql_globals.default_link = link;
Z_TYPE_P(return_value) = IS_RESOURCE;
efree(hashed_details);
return;
} else {
zend_hash_del(&EG(regular_list),hashed_details,hashed_details_length+1);
}
}
if (msql_globals.max_links!=-1 && msql_globals.num_links>=msql_globals.max_links) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Too many open links (%d)",msql_globals.num_links);
efree(hashed_details);
RETURN_FALSE;
}
if ((msql=msqlConnect(host))==-1) {
efree(hashed_details);
RETURN_FALSE;
}
/* add it to the list */
ZEND_REGISTER_RESOURCE(return_value, (void *) msql, msql_globals.le_link);
/* add it to the hash */
new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
Z_TYPE(new_index_ptr) = le_index_ptr;
if (zend_hash_update(&EG(regular_list),hashed_details,hashed_details_length+1,(void *) &new_index_ptr, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
efree(hashed_details);
RETURN_FALSE;
}
msql_globals.num_links++;
}
efree(hashed_details);
msql_globals.default_link=Z_LVAL_P(return_value);
}
/* }}} */
/* {{{ php_msql_get_default_link
*/
static int php_msql_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
{
if (msql_globals.default_link==-1) { /* no link opened yet, implicitly open one */
ht = 0;
php_msql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
return msql_globals.default_link;
}
/* }}} */
/* {{{ proto int msql_connect([string hostname[:port]] [, string username] [, string password])
Open a connection to an mSQL Server */
PHP_FUNCTION(msql_connect)
{
php_msql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,0);
}
/* }}} */
/* {{{ proto int msql_pconnect([string hostname[:port]] [, string username] [, string password])
Open a persistent connection to an mSQL Server */
PHP_FUNCTION(msql_pconnect)
{
php_msql_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
}
/* }}} */
/* {{{ proto bool msql_close([resource link_identifier])
Close an mSQL connection */
PHP_FUNCTION(msql_close)
{
zval *msql_link;
int id;
int msql;
switch (ZEND_NUM_ARGS()) {
case 0:
id = msql_globals.default_link;
break;
case 1:
if (zend_get_parameters(ht, 1, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
if (id==-1) { /* explicit resource number */
zend_list_delete(Z_RESVAL_P(msql_link));
}
if (id!=-1
|| (msql_link && Z_RESVAL_P(msql_link)==msql_globals.default_link)) {
zend_list_delete(msql_globals.default_link);
msql_globals.default_link = -1;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool msql_select_db(string database_name [, resource link_identifier])
Select an mSQL database */
PHP_FUNCTION(msql_select_db)
{
zval *db,*msql_link;
int id;
int msql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (zend_get_parameters(ht, 2, &db, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlSelectDB(msql,Z_STRVAL_P(db))==-1) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto bool msql_create_db(string database_name [, resource link_identifier])
Create an mSQL database */
PHP_FUNCTION(msql_create_db)
{
zval *db,*msql_link;
int id;
int msql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &db)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (zend_get_parameters(ht, 2, &db, &msql_link)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlCreateDB(msql,Z_STRVAL_P(db))<0) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto bool msql_drop_db(string database_name [, resource link_identifier])
Drop (delete) an mSQL database */
PHP_FUNCTION(msql_drop_db)
{
zval *db,*msql_link;
int id;
int msql;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &db)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (zend_get_parameters(ht, 2, &db, &msql_link)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlDropDB(msql,Z_STRVAL_P(db))<0) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto resource msql_query(string query [, resource link_identifier])
Send an SQL query to mSQL */
PHP_FUNCTION(msql_query)
{
zval *query,*msql_link;
int id;
int msql;
int af_rows;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &query)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = msql_globals.default_link;
break;
case 2:
if (zend_get_parameters(ht, 2, &query, &msql_link)==FAILURE) {
WRONG_PARAM_COUNT;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(query);
if ((af_rows = msqlQuery(msql,Z_STRVAL_P(query)))==-1) {
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, php_msql_query_wrapper(msqlStoreResult(), af_rows), msql_globals.le_query);
}
/* }}} */
/* {{{ proto resource msql_db_query(string database_name, string query [, resource link_identifier])
Send an SQL query to mSQL */
PHP_FUNCTION(msql_db_query)
{
zval *db,*query,*msql_link;
int id;
int msql;
int af_rows;
switch(ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters(ht, 2, &db, &query)==FAILURE) {
RETURN_FALSE;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 3:
if (zend_get_parameters(ht, 3, &db, &query, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlSelectDB(msql,Z_STRVAL_P(db))==-1) {
RETURN_FALSE;
}
convert_to_string(query);
if ((af_rows = msqlQuery(msql,Z_STRVAL_P(query)))==-1) {
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, php_msql_query_wrapper(msqlStoreResult(), af_rows), msql_globals.le_query);
}
/* }}} */
/* {{{ proto resource msql_list_dbs([resource link_identifier])
List databases available on an mSQL server */
PHP_FUNCTION(msql_list_dbs)
{
zval *msql_link;
int id;
int msql;
m_result *msql_result;
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 1:
if (zend_get_parameters(ht, 1, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
if ((msql_result=msqlListDBs(msql))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save mSQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, php_msql_query_wrapper(msql_result, 0), msql_globals.le_query);
}
/* }}} */
/* {{{ proto resource msql_list_tables(string database_name [, resource link_identifier])
List tables in an mSQL database */
PHP_FUNCTION(msql_list_tables)
{
zval *db,*msql_link;
int id;
int msql;
m_result *msql_result;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 2:
if (zend_get_parameters(ht, 2, &db, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlSelectDB(msql,Z_STRVAL_P(db))==-1) {
RETURN_FALSE;
}
if ((msql_result=msqlListTables(msql))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save mSQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, php_msql_query_wrapper(msql_result, 0), msql_globals.le_query);
}
/* }}} */
/* {{{ proto resource msql_list_fields(string database_name, string table_name [, resource link_identifier])
List mSQL result fields */
PHP_FUNCTION(msql_list_fields)
{
zval *db,*table,*msql_link;
int id;
int msql;
m_result *msql_result;
switch(ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters(ht, 2, &db, &table)==FAILURE) {
RETURN_FALSE;
}
id = php_msql_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 3:
if (zend_get_parameters(ht, 3, &db, &table, &msql_link)==FAILURE) {
RETURN_FALSE;
}
id = -1;
break;
default:
WRONG_PARAM_COUNT;
break;
}
ZEND_FETCH_RESOURCE2(msql, int, &msql_link, id, "mSQL-Link", msql_globals.le_link, msql_globals.le_plink);
convert_to_string(db);
if (msqlSelectDB(msql,Z_STRVAL_P(db))==-1) {
RETURN_FALSE;
}
convert_to_string(table);
if ((msql_result=msqlListFields(msql,Z_STRVAL_P(table)))==NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to save mSQL query result");
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, php_msql_query_wrapper(msql_result, 0), msql_globals.le_query);
}
/* }}} */
/* {{{ proto string msql_error(void)
Returns the text of the error message from previous mSQL operation */
PHP_FUNCTION(msql_error)
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_STRING(msqlErrMsg,1);
}
/* }}} */
/* {{{ proto string msql_result(int query, int row [, mixed field])
Get result data */
PHP_FUNCTION(msql_result)
{
zval *result, *row, *field=NULL;
m_result *msql_result;
m_query *msql_query;
m_row sql_row;
int field_offset=0;
switch (ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters(ht, 2, &result, &row)==FAILURE) {
RETURN_FALSE;
}
break;
case 3:
if (zend_get_parameters(ht, 3, &result, &row, &field)==FAILURE) {
RETURN_FALSE;
}
break;
default:
WRONG_PARAM_COUNT;
break;
}
MSQL_GET_QUERY(result);
convert_to_long(row);
if (Z_LVAL_P(row)<0 || Z_LVAL_P(row)>=msqlNumRows(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to jump to row %ld on mSQL query index %ld", Z_LVAL_P(row), Z_LVAL_P(result));
RETURN_FALSE;
}
msqlDataSeek(msql_result,Z_LVAL_P(row));
if ((sql_row=msqlFetchRow(msql_result))==NULL) { /* shouldn't happen? */
RETURN_FALSE;
}
if (field) {
switch(Z_TYPE_P(field)) {
case IS_STRING: {
int i=0;
m_field *tmp_field;
char *table_name,*field_name,*tmp;
if ((tmp=strchr(Z_STRVAL_P(field),'.'))) {
*tmp = 0;
table_name = estrdup(Z_STRVAL_P(field));
field_name = estrdup(tmp+1);
} else {
table_name = NULL;
field_name = estrndup(Z_STRVAL_P(field),Z_STRLEN_P(field));
}
msqlFieldSeek(msql_result,0);
while ((tmp_field=msqlFetchField(msql_result))) {
if ((!table_name || !strcasecmp(tmp_field->table,table_name)) && !strcasecmp(tmp_field->name,field_name)) {
field_offset = i;
break;
}
i++;
}
if (!tmp_field) { /* no match found */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s%s%s not found in mSQL query index %ld",
(table_name?table_name:""), (table_name?".":""), field_name, Z_LVAL_P(result));
efree(field_name);
if (table_name) {
efree(table_name);
}
RETURN_FALSE;
}
efree(field_name);
if (table_name) {
efree(table_name);
}
}
break;
default:
convert_to_long(field);
field_offset = Z_LVAL_P(field);
if (field_offset<0 || field_offset>=msqlNumFields(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad column offset specified");
RETURN_FALSE;
}
break;
}
}
if (sql_row[field_offset]) {
if (PG(magic_quotes_runtime)) {
Z_STRVAL_P(return_value) = php_addslashes(sql_row[field_offset],0,&Z_STRLEN_P(return_value),0 TSRMLS_CC);
} else {
Z_STRLEN_P(return_value) = (sql_row[field_offset]?strlen(sql_row[field_offset]):0);
Z_STRVAL_P(return_value) = (char *) safe_estrndup(sql_row[field_offset],Z_STRLEN_P(return_value));
}
Z_TYPE_P(return_value) = IS_STRING;
} else {
ZVAL_FALSE(return_value);
}
}
/* }}} */
/* {{{ proto int msql_num_rows(resource query)
Get number of rows in a result */
PHP_FUNCTION(msql_num_rows)
{
zval *result;
m_result *msql_result;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters(ht, 1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
RETVAL_LONG(msql_result ? msqlNumRows(msql_result) : 0);
}
/* }}} */
/* {{{ proto int msql_num_fields(resource query)
Get number of fields in a result */
PHP_FUNCTION(msql_num_fields)
{
zval *result;
m_result *msql_result;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters(ht, 1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
RETVAL_LONG(msql_result ? msqlNumFields(msql_result) : 0);
}
/* }}} */
/* {{{ php_msql_fetch_hash
*/
static void php_msql_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int result_type)
{
zval *result, *arg2;
m_result *msql_result;
m_row msql_row;
m_field *msql_field;
m_query *msql_query;
int num_fields;
int i;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &result)==FAILURE) {
RETURN_FALSE;
}
if (!result_type) {
result_type = MSQL_BOTH;
}
break;
case 2:
if (zend_get_parameters(ht, 2, &result, &arg2)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(arg2);
result_type = Z_LVAL_P(arg2);
break;
default:
WRONG_PARAM_COUNT;
break;
}
MSQL_GET_QUERY(result);
if (!msql_result || (msql_row=msqlFetchRow(msql_result))==NULL) {
RETURN_FALSE;
}
num_fields = msqlNumFields(msql_result);
array_init(return_value);
msqlFieldSeek(msql_result,0);
for (msql_field=msqlFetchField(msql_result),i=0; msql_field; msql_field=msqlFetchField(msql_result),i++) {
if (msql_row[i]) {
char *data;
int data_len;
int should_copy;
if (PG(magic_quotes_runtime)) {
data = php_addslashes(msql_row[i], 0, &data_len, 0 TSRMLS_CC);
should_copy = 0;
} else {
data = msql_row[i];
data_len = strlen(data);
should_copy = 1;
}
if (result_type & MSQL_NUM) {
add_index_stringl(return_value, i, data, data_len, should_copy);
should_copy = 1;
}
if (result_type & MSQL_ASSOC) {
add_assoc_stringl(return_value, msql_field->name, data, data_len, should_copy);
}
} else {
/* NULL value. */
if (result_type & MSQL_NUM) {
add_index_null(return_value, i);
}
if (result_type & MSQL_ASSOC) {
add_assoc_null(return_value, msql_field->name);
}
}
}
}
/* }}} */
/* {{{ proto array msql_fetch_row(resource query)
Get a result row as an enumerated array */
PHP_FUNCTION(msql_fetch_row)
{
php_msql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, MSQL_NUM);
}
/* }}} */
/* {{{ proto object msql_fetch_object(resource query [, resource result_type])
Fetch a result row as an object */
PHP_FUNCTION(msql_fetch_object)
{
php_msql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
if (Z_TYPE_P(return_value)==IS_ARRAY) {
object_and_properties_init(return_value, ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value));
}
}
/* }}} */
/* {{{ proto array msql_fetch_array(resource query [, int result_type])
Fetch a result row as an associative array */
PHP_FUNCTION(msql_fetch_array)
{
php_msql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto bool msql_data_seek(resource query, int row_number)
Move internal result pointer */
PHP_FUNCTION(msql_data_seek)
{
zval *result,*offset;
m_result *msql_result;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters(ht, 2, &result, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
convert_to_long(offset);
if (!msql_result ||
Z_LVAL_P(offset)<0 ||
Z_LVAL_P(offset)>=msqlNumRows(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%ld is invalid for mSQL query index %ld", Z_LVAL_P(offset), Z_LVAL_P(result));
RETURN_FALSE;
}
msqlDataSeek(msql_result,Z_LVAL_P(offset));
RETURN_TRUE;
}
/* }}} */
/* {{{ php_msql_get_field_name
*/
static char *php_msql_get_field_name(int field_type)
{
switch (field_type) {
#if MSQL1
case INT_TYPE:
return "int";
break;
case CHAR_TYPE:
return "char";
break;
case REAL_TYPE:
return "real";
break;
case IDENT_TYPE:
return "ident";
break;
case NULL_TYPE:
return "null";
break;
#else
case INT_TYPE:
case UINT_TYPE:
case CHAR_TYPE:
case TEXT_TYPE:
case REAL_TYPE:
case NULL_TYPE:
case DATE_TYPE:
case TIME_TYPE:
case MONEY_TYPE:
return msqlTypeNames[field_type];
break;
#endif
default:
return "unknown";
break;
}
}
/* }}} */
/* {{{ proto object msql_fetch_field(resource query [, int field_offset])
Get column information from a result and return as an object */
PHP_FUNCTION(msql_fetch_field)
{
zval *result, *field=NULL;
m_result *msql_result;
m_field *msql_field;
m_query *msql_query;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters(ht, 1, &result)==FAILURE) {
RETURN_FALSE;
}
break;
case 2:
if (zend_get_parameters(ht, 2, &result, &field)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(field);
default:
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
if (field) {
if (Z_LVAL_P(field)<0 || Z_LVAL_P(field)>=msqlNumRows(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Bad field offset specified");
RETURN_FALSE;
}
msqlFieldSeek(msql_result,Z_LVAL_P(field));
}
if (!msql_result || (msql_field=msqlFetchField(msql_result))==NULL) {
RETURN_FALSE;
}
object_init(return_value);
add_property_string(return_value, "name",(msql_field->name?msql_field->name:""), 1);
add_property_string(return_value, "table",(msql_field->table?msql_field->table:""), 1);
add_property_long(return_value, "not_null",IS_NOT_NULL(msql_field->flags));
#if MSQL1
add_property_long(return_value, "primary_key",(msql_field->flags&PRI_KEY_FLAG?1:0));
#else
add_property_long(return_value, "unique",(msql_field->flags&UNIQUE_FLAG?1:0));
#endif
add_property_string(return_value, "type",php_msql_get_field_name(Z_TYPE_P(msql_field)), 1);
}
/* }}} */
/* {{{ proto bool msql_field_seek(resource query, int field_offset)
Set result pointer to a specific field offset */
PHP_FUNCTION(msql_field_seek)
{
zval *result, *offset;
m_result *msql_result;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters(ht, 2, &result, &offset)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
convert_to_long(offset);
if(!msql_result) {
RETURN_FALSE;
}
if (Z_LVAL_P(offset)<0 || Z_LVAL_P(offset)>=msqlNumFields(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,"Field %ld is invalid for mSQL query index %ld",
Z_LVAL_P(offset),Z_LVAL_P(result));
RETURN_FALSE;
}
msqlFieldSeek(msql_result,Z_LVAL_P(offset));
RETURN_TRUE;
}
/* }}} */
#define PHP_MSQL_FIELD_NAME 1
#define PHP_MSQL_FIELD_TABLE 2
#define PHP_MSQL_FIELD_LEN 3
#define PHP_MSQL_FIELD_TYPE 4
#define PHP_MSQL_FIELD_FLAGS 5
/* {{{ php_msql_field_info
*/
static void php_msql_field_info(INTERNAL_FUNCTION_PARAMETERS, int entry_type)
{
zval *result, *field;
m_result *msql_result;
m_field *msql_field;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters(ht, 2, &result, &field)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
if(!msql_result) {
RETURN_FALSE;
}
convert_to_long(field);
if (Z_LVAL_P(field)<0 || Z_LVAL_P(field)>=msqlNumFields(msql_result)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,"Field %ld is invalid for mSQL query index %ld", Z_LVAL_P(field), Z_LVAL_P(result));
RETURN_FALSE;
}
msqlFieldSeek(msql_result,Z_LVAL_P(field));
if ((msql_field=msqlFetchField(msql_result))==NULL) {
RETURN_FALSE;
}
switch (entry_type) {
case PHP_MSQL_FIELD_NAME:
Z_STRLEN_P(return_value) = strlen(msql_field->name);
Z_STRVAL_P(return_value) = estrndup(msql_field->name,Z_STRLEN_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MSQL_FIELD_TABLE:
Z_STRLEN_P(return_value) = strlen(msql_field->table);
Z_STRVAL_P(return_value) = estrndup(msql_field->table,Z_STRLEN_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MSQL_FIELD_LEN:
Z_LVAL_P(return_value) = msql_field->length;
Z_TYPE_P(return_value) = IS_LONG;
break;
case PHP_MSQL_FIELD_TYPE:
Z_STRVAL_P(return_value) = estrdup(php_msql_get_field_name(Z_TYPE_P(msql_field)));
Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value));
Z_TYPE_P(return_value) = IS_STRING;
break;
case PHP_MSQL_FIELD_FLAGS:
#if MSQL1
if ((msql_field->flags&NOT_NULL_FLAG) && (msql_field->flags&PRI_KEY_FLAG)) {
Z_STRVAL_P(return_value) = estrndup("primary key not null",20);
Z_STRLEN_P(return_value) = 20;
Z_TYPE_P(return_value) = IS_STRING;
} else if (msql_field->flags&NOT_NULL_FLAG) {
Z_STRVAL_P(return_value) = estrndup("not null",8);
Z_STRLEN_P(return_value) = 8;
Z_TYPE_P(return_value) = IS_STRING;
} else if (msql_field->flags&PRI_KEY_FLAG) {
Z_STRVAL_P(return_value) = estrndup("primary key",11);
Z_STRLEN_P(return_value) = 11;
Z_TYPE_P(return_value) = IS_STRING;
} else {
ZVAL_FALSE(return_value);
}
#else
if ((msql_field->flags&NOT_NULL_FLAG) && (msql_field->flags&UNIQUE_FLAG)) {
Z_STRVAL_P(return_value) = estrndup("unique not null",15);
Z_STRLEN_P(return_value) = 15;
Z_TYPE_P(return_value) = IS_STRING;
} else if (msql_field->flags&NOT_NULL_FLAG) {
Z_STRVAL_P(return_value) = estrndup("not null",8);
Z_STRLEN_P(return_value) = 8;
Z_TYPE_P(return_value) = IS_STRING;
} else if (msql_field->flags&UNIQUE_FLAG) {
Z_STRVAL_P(return_value) = estrndup("unique",6);
Z_STRLEN_P(return_value) = 6;
Z_TYPE_P(return_value) = IS_STRING;
} else {
ZVAL_FALSE(return_value);
}
#endif
break;
default:
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto string msql_field_name(resource query, int field_index)
Get the name of the specified field in a result */
PHP_FUNCTION(msql_field_name)
{
php_msql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU,PHP_MSQL_FIELD_NAME);
}
/* }}} */
/* {{{ proto string msql_field_table(resource query, int field_offset)
Get name of the table the specified field is in */
PHP_FUNCTION(msql_field_table)
{
php_msql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU,PHP_MSQL_FIELD_TABLE);
}
/* }}} */
/* {{{ proto int msql_field_len(int query, int field_offet)
Returns the length of the specified field */
PHP_FUNCTION(msql_field_len)
{
php_msql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU,PHP_MSQL_FIELD_LEN);
}
/* }}} */
/* {{{ proto string msql_field_type(resource query, int field_offset)
Get the type of the specified field in a result */
PHP_FUNCTION(msql_field_type)
{
php_msql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU,PHP_MSQL_FIELD_TYPE);
}
/* }}} */
/* {{{ proto string msql_field_flags(resource query, int field_offset)
Get the flags associated with the specified field in a result */
PHP_FUNCTION(msql_field_flags)
{
php_msql_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU,PHP_MSQL_FIELD_FLAGS);
}
/* }}} */
/* {{{ proto bool msql_free_result(resource query)
Free result memory */
PHP_FUNCTION(msql_free_result)
{
zval *result;
m_result *msql_result;
m_query *msql_query;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters(ht, 1, &result)==FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
zend_list_delete(Z_LVAL_P(result));
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int msql_affected_rows(resource query)
Return number of affected rows */
PHP_FUNCTION(msql_affected_rows)
{
zval *result;
m_result *msql_result;
m_query *msql_query;
if(ZEND_NUM_ARGS() != 1 || zend_get_parameters(ht, 1, &result) == FAILURE) {
WRONG_PARAM_COUNT;
}
MSQL_GET_QUERY(result);
RETVAL_LONG(msql_query->af_rows);
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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