connect_test.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <stdio.h>
- #include <stdlib.h>
- #include "mysql.h"
- static void change_user(MYSQL *sock,const char *user, const char *password,
- const char *db,my_bool warning)
- {
- if (mysql_change_user(sock,user,password,db) != warning)
- {
- fprintf(stderr,"Couldn't change user to: user: '%s', password: '%s', db: '%s': Error: %sn",
- user, password ? password : "", db ? db : "",
- mysql_error(sock));
- }
- }
- int main(int argc, char **argv)
- {
- MYSQL *sock;
- if (!(sock=mysql_init(0)))
- {
- fprintf(stderr,"Couldn't initialize mysql structn");
- exit(1);
- }
- mysql_options(sock,MYSQL_READ_DEFAULT_GROUP,"connect");
- if (!mysql_real_connect(sock,NULL,NULL,NULL,NULL,0,NULL,0))
- {
- fprintf(stderr,"Couldn't connect to engine!n%sn",mysql_error(sock));
- perror("");
- exit(1);
- }
- if (mysql_select_db(sock,"test"))
- {
- fprintf(stderr,"Couldn't select database test: Error: %sn",
- mysql_error(sock));
- }
- change_user(sock,"test_user","test_user","test",0);
- change_user(sock,"test",NULL,"test",0);
- change_user(sock,"test_user",NULL,"test",1);
- change_user(sock,"test_user",NULL,NULL,1);
- change_user(sock,"test_user","test_user","mysql",1);
- mysql_close(sock);
- exit(0);
- return 0;
- }