status.c

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.
*/

#include "status.h"

struct error_msg_def {
   STATUS status;
   const char *msg;
} msg_table[] = {

   { SUCCESS,         "Normal successful completion"         },
   { ERR_FAILURE,     "Unspecified failure"                  },
   { ERR_NOMEMORY,    "Out of memory"                        },
   { ERR_EXISTS,      "Object exists already"                },
   { ERR_OPENDEV,     "Unable to open device"                },
   { ERR_NODEVNAME,   "No device name specified"             },
   { ERR_NOTEMPLATE,  "Cannot find template port definition" },
   { ERR_INUSE,       "Object is in use"                     },
   { ERR_OPENFILE,    "Unable to open file"                  },
   { ERR_EOF,         "End of file reached"                  },
   { ERR_SYNTAX,      "Syntax error"                         },
   { ERR_LINETOOLONG, "Line too long"                        },
   { ERR_CMDSYNTAX,   "Invalid command-line options"         },
};

#define NUM_MESSAGES (sizeof(msg_table)/sizeof(msg_table[0]))

const char *ErrorMsg(STATUS status)
{
   int i;
   for (i=0; i<NUM_MESSAGES; i++) {
      if (msg_table[i].status == status) {
         return msg_table[i].msg;
      }
   }

   return "Unknown error";
}