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/*
* util/et/error_message.c
*
* 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 "error_table.h"
#include "mit-sipb-copyright.h"
#include "internal.h"
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 = (struct et_list *) NULL;
const char * error_message (code)
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) {
if (offset < sys_nerr)
return(sys_errlist[offset]);
else
goto oops;
}
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);
}
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