1 /*
2 * Copyright 1987 by the Student Information Processing Board
3 * of the Massachusetts Institute of Technology
4 *
5 * For copyright info, see "mit-sipb-copyright.h".
6 */
7
8 #include "error_table.h"
9 #include "com_err.h"
10 #include <sysdep.h>
11
12 char *error_table_name_r __P((int, char *));
13
14 struct et_list * _et_list = (struct et_list *) NULL;
15
error_message(code)16 const char * error_message (code)
17 long code;
18 {
19 static char buf[COM_ERR_BUF_LEN];
20
21 return(error_message_r(code, buf));
22 }
23
error_message_r(code,buf)24 const char * error_message_r (code, buf)
25 long code;
26 char *buf;
27 {
28 int offset;
29 struct et_list *et;
30 int table_num;
31 int started = 0;
32 char *cp, namebuf[6];
33
34 offset = code & ((1<<ERRCODE_RANGE)-1);
35 table_num = code - offset;
36 if (!table_num)
37 return strerror(offset);
38 for (et = _et_list; et; et = et->next) {
39 if (et->table->base == table_num) {
40 /* This is the right table */
41 if (et->table->n_msgs <= offset)
42 break;
43 return(et->table->msgs[offset]);
44 }
45 }
46
47 strcpy (buf, "Unknown code ");
48 if (table_num) {
49 strcat (buf, error_table_name_r (table_num, namebuf));
50 strcat (buf, " ");
51 }
52 for (cp = buf; *cp; cp++)
53 ;
54 if (offset >= 100) {
55 *cp++ = '0' + offset / 100;
56 offset %= 100;
57 started++;
58 }
59 if (started || offset >= 10) {
60 *cp++ = '0' + offset / 10;
61 offset %= 10;
62 }
63 *cp++ = '0' + offset;
64 *cp = '\0';
65 return(buf);
66 }
67