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- /*
- * Copyright (c) 1987 University of Maryland Department of Computer Science.
- * All rights reserved. Permission to copy for any purpose is hereby granted
- * so long as this copyright notice remains intact.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/cmds/dviselect/RCS/error.c,v 1.1 91/10/18 21:15:45 rab Exp Locker: rab $";
- #endif
-
- /*
- * Print an error message with an optional system error number, and
- * optionally quit.
- *
- * THIS CODE IS SYSTEM DEPENDENT UNLESS varargs WORKS WITH vprintf
- * OR _doprnt. It should work properly under System V using vprintf.
- * (If you have vprintf, define HAVE_VPRINTF.)
- */
-
- #include <stdio.h>
- #include <varargs.h>
-
- #ifdef lint
-
- /* VARARGS3 ARGSUSED */
- error(quit, e, fmt) int quit, e; char *fmt; {;}
-
- /* VARARGS1 ARGSUSED */
- panic(fmt) char *fmt; { exit(1); /* NOTREACHED */ }
-
- #else lint
-
- extern char *ProgName;
- extern int errno;
- extern char *sys_errlist[];
- extern int sys_nerr;
-
- error(va_alist)
- va_dcl
- {
- va_list l;
- int quit, e;
- char *fmt;
-
- (void) fflush(stdout); /* sync error messages */
- (void) fprintf(stderr, "%s: ", ProgName);
- va_start(l);
- /* pick up the constant arguments: quit, errno, printf format */
- quit = va_arg(l, int);
- e = va_arg(l, int);
- if (e < 0)
- e = errno;
- fmt = va_arg(l, char *);
- #if defined(sys5) || defined(HAVE_VPRINTF)
- (void) vfprintf(stderr, fmt, l);
- #else
- _doprnt(fmt, l, stderr);
- #endif
- va_end(l);
- if (e) {
- if (e < sys_nerr)
- (void) fprintf(stderr, ": %s", sys_errlist[e]);
- else
- (void) fprintf(stderr, ": Unknown error code %d", e);
- }
- (void) putc('\n', stderr);
- (void) fflush(stderr); /* just in case */
- if (quit)
- exit(quit);
- }
-
- panic(va_alist)
- va_dcl
- {
- va_list l;
- char *fmt;
-
- (void) fflush(stdout);
- (void) fprintf(stderr, "%s: panic: ", ProgName);
- va_start(l);
- /* pick up the constant argument: printf format */
- fmt = va_arg(l, char *);
- #if defined(sys5) || defined(HAVE_VPRINTF)
- (void) vfprintf(stderr, fmt, l);
- #else
- _doprnt(fmt, l, stderr);
- #endif
- va_end(l);
- (void) putc('\n', stderr);
- (void) fflush(stderr);
- abort();
- }
-
- #endif /* lint */
-