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- /*
- * Copyright (c) 1990 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.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND CARNEGIE MELLON UNIVERSITY
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT
- * SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
- * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Users of this software agree to return to Carnegie Mellon any
- * improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- *
- * Export of this software is permitted only after complying with the
- * regulations of the U.S. Deptartment of Commerce relating to the
- * Export of Technical Data.
- */
- /*****************************************************************
- * HISTORY
- * $Log: errmsg.c,v $
- * Revision 1.2 90/12/11 17:52:09 mja
- * Add copyright/disclaimer for distribution.
- *
- * 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);
- }
-