diff options
Diffstat (limited to 'usr.sbin/sup/lib/errmsg.c')
| -rw-r--r-- | usr.sbin/sup/lib/errmsg.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/usr.sbin/sup/lib/errmsg.c b/usr.sbin/sup/lib/errmsg.c new file mode 100644 index 000000000000..0ca7c9d04f43 --- /dev/null +++ b/usr.sbin/sup/lib/errmsg.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 1991 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the rights + * to redistribute these changes. + */ +/***************************************************************** + * HISTORY + * 04-Mar-85 Rudy Nedved (ern) at Carnegie-Mellon University + * Create a CMU version of the BBN errmsg routine from scratch. It + * differs from the BBN errmsg routine in the fact that it uses a + * negative value to indicate using the current errno value...the + * BBN uses a negative OR zero value. + */ + +extern int errno; +extern int sys_nerr; +extern char *sys_errlist[]; + +static char *itoa(p,n) +char *p; +unsigned n; +{ + if (n >= 10) + p =itoa(p,n/10); + *p++ = (n%10)+'0'; + return(p); +} + +char *errmsg(cod) +int cod; +{ + static char unkmsg[] = "Unknown error "; + static char unk[sizeof(unkmsg)+11]; /* trust us */ + + if (cod < 0) cod = errno; + + if((cod >= 0) && (cod < sys_nerr)) + return(sys_errlist[cod]); + + strcpy(unk,unkmsg); + *itoa(&unk[sizeof(unkmsg)-1],cod) = '\0'; + + return(unk); +} |
