[PHP-DEV] Make mysql_select_db return previous db name..

[Jani Taskinen]

    See details about this:
    
    http://bugs.php.net/?id=16495&edit=1    

    This patch implements it..but should there be some
    parameter which triggers it?
    
    --Jani
    

-- 


Index: php_mysql.c
===================================================================
RCS file: /repository/php4/ext/mysql/php_mysql.c,v
retrieving revision 1.133
diff -u -r1.133 php_mysql.c
--- php_mysql.c 18 Apr 2002 16:48:03 -0000      1.133
+++ php_mysql.c 27 Apr 2002 02:05:32 -0000
@@ -776,6 +776,7 @@
        zval **db, **mysql_link;
        int id;
        php_mysql_conn *mysql;
+       char *prev_db;
        
        switch(ZEND_NUM_ARGS()) {
                case 1:
@@ -801,10 +802,16 @@
        
        convert_to_string_ex(db);
        
+       if (mysql->conn.db) {
+               prev_db=estrdup(mysql->conn.db);
+       } else {
+               prev_db=estrdup("");
+       }
+       
        if (mysql_select_db(&mysql->conn, Z_STRVAL_PP(db))!=0) {
                RETURN_FALSE;
        } else {
-               RETURN_TRUE;
+               RETURN_STRING(prev_db, 0);
        }
 }
 /* }}} */

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