status.h

网络端口的服务程序

/*
    Portserver - Use RTERM protocol to serve serial ports over a network
    Copyright (C) 1998 Kenn Humborg

    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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef STATUS_H
#define STATUS_H

/* Success values should be positive and failure values negative */

enum status_t {
   SUCCESS = 0,

   ERR_FAILURE = -0x8000,
   ERR_NOMEMORY,
   ERR_EXISTS,
   ERR_OPENDEV,
   ERR_NODEVNAME,
   ERR_NOTEMPLATE,
   ERR_INUSE,
   ERR_OPENFILE,
   ERR_EOF,
   ERR_SYNTAX,
   ERR_LINETOOLONG,
   ERR_BADCMD,
   ERR_INVARG,
   ERR_NOSUCHPORT,
   ERR_CMDSYNTAX,
};

typedef enum status_t STATUS;


#define IS_SUCCESS(status) ( (status) >= 0)
#define IS_FAILURE(status) ( (status) < 0)

const char *ErrorMsg(STATUS status);

#endif /* STATUS_H */