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118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/* error.c -- error handler for noninteractive utilities
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Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Written by David MacKenzie. */
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#ifdef HAVE_CONFIG_H
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#if defined (CONFIG_BROKETS)
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/* We use <config.h> instead of "config.h" so that a compilation
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using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
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(which it would do because it found this file in $srcdir). */
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#include <config.h>
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#else
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#include "config.h"
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#endif
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#endif
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#include <stdio.h>
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#ifdef HAVE_VPRINTF
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#if __STDC__
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#include <stdarg.h>
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#define VA_START(args, lastarg) va_start(args, lastarg)
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#else /* !__STDC__ */
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#include <varargs.h>
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#define VA_START(args, lastarg) va_start(args)
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#endif /* !__STDC__ */
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#else /* !HAVE_VPRINTF */
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#ifdef HAVE_DOPRNT
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#define va_alist args
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#define va_dcl int args;
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#else /* !HAVE_DOPRNT */
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#define va_alist a1, a2, a3, a4, a5, a6, a7, a8
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#define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
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#endif /* !HAVE_DOPRNT */
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#endif /* !HAVE_VPRINTF */
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#ifdef STDC_HEADERS
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#include <stdlib.h>
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#include <string.h>
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#else /* !STDC_HEADERS */
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void exit ();
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#endif /* !STDC_HEADERS */
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extern char *program_name;
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#ifndef HAVE_STRERROR
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static char *
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private_strerror (errnum)
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int errnum;
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{
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extern char *sys_errlist[];
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extern int sys_nerr;
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if (errnum > 0 && errnum <= sys_nerr)
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return sys_errlist[errnum];
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return "Unknown system error";
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}
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#define strerror private_strerror
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#endif /* !HAVE_STRERROR */
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/* Print the program name and error message MESSAGE, which is a printf-style
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format string with optional args.
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If ERRNUM is nonzero, print its corresponding system error message.
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Exit with status STATUS if it is nonzero. */
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/* VARARGS */
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void
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#if defined (HAVE_VPRINTF) && __STDC__
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error (int status, int errnum, char *message, ...)
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#else /* !HAVE_VPRINTF or !__STDC__ */
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error (status, errnum, message, va_alist)
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int status;
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int errnum;
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char *message;
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va_dcl
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#endif /* !HAVE_VPRINTF or !__STDC__ */
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{
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#ifdef HAVE_VPRINTF
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va_list args;
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#endif /* HAVE_VPRINTF */
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fprintf (stderr, "%s: ", program_name);
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#ifdef HAVE_VPRINTF
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else /* !HAVE_VPRINTF */
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#ifdef HAVE_DOPRNT
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_doprnt (message, &args, stderr);
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#else /* !HAVE_DOPRNT */
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif /* !HAVE_DOPRNT */
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#endif /* !HAVE_VPRINTF */
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if (errnum)
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fprintf (stderr, ": %s", strerror (errnum));
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putc ('\n', stderr);
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fflush (stderr);
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if (status)
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exit (status);
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}
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