source: trunk/third/moira/util/et/error_message.c @ 23740

/*
 * $Header: /afs/athena.mit.edu/astaff/project/moiradev/repository/moira/util/et/error_message.c,v 1.2 1998-02-05 22:13:07 danw Exp $
 * $Source: /afs/athena.mit.edu/astaff/project/moiradev/repository/moira/util/et/error_message.c,v $
 * $Locker:  $
 *
 * Copyright 1987 by the Student Information Processing Board
 * of the Massachusetts Institute of Technology
 *
 * For copyright info, see "mit-sipb-copyright.h".
 */

#include <stdio.h>
#include <string.h>
#include "error_table.h"
#include "mit-sipb-copyright.h"

static const char rcsid[] = "$Id: error_message.c,v 1.2 1998-02-05 22:13:07 danw Exp $";
static const char copyright[] =
    "Copyright 1986, 1987, 1988 by the Student Information Processing Board\nand the department of Information Systems\nof the Massachusetts Institute of Technology";

static char buffer[25];

struct et_list *_et_list = NULL;

const char *error_message(long code)
{
    int offset;
    struct et_list *et;
    int table_num;
    int started = 0;
    char *cp;

    offset = code & ((1<<ERRCODE_RANGE)-1);
    table_num = code - offset;
    if (!table_num)
        return strerror(offset);
    for (et = _et_list; et; et = et->next) {
        if (et->table->base == table_num) {
            /* This is the right table */
            if (et->table->n_msgs <= offset)
                goto oops;
            return(et->table->msgs[offset]);
        }
    }
oops:
    strcpy (buffer, "Unknown code ");
    if (table_num) {
        strcat (buffer, error_table_name (table_num));
        strcat (buffer, " ");
    }
    for (cp = buffer; *cp; cp++)
        ;
    if (offset >= 100) {
        *cp++ = '0' + offset / 100;
        offset %= 100;
        started++;
    }
    if (started || offset >= 10) {
        *cp++ = '0' + offset / 10;
        offset %= 10;
    }
    *cp++ = '0' + offset;
    *cp = '\0';
    return(buffer);
}