1 /* va_list error handler for noninteractive utilities
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Eric Blake. */
25 #include "xvasprintf.h"
36 # define _(String) String
39 /* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
40 if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
41 If STATUS is nonzero, terminate the program with `exit (STATUS)'.
42 Use the globals error_print_progname and error_message_count similarly
45 verror (int status, int errnum, const char *format, va_list args)
47 verror_at_line (status, errnum, NULL, 0, format, args);
50 /* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
51 if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
52 If STATUS is nonzero, terminate the program with `exit (STATUS)'.
53 If FNAME is not NULL, prepend the message with `FNAME:LINENO:'.
54 Use the globals error_print_progname, error_message_count, and
55 error_one_per_line similarly to error_at_line(). */
57 verror_at_line (int status, int errnum, const char *file,
58 unsigned int line_number, const char *format, va_list args)
60 char *message = xvasprintf (format, args);
63 /* Until http://sourceware.org/bugzilla/show_bug.cgi?id=2997 is fixed,
64 glibc violates GNU Coding Standards when the file argument to
65 error_at_line is NULL. */
67 error_at_line (status, errnum, file, line_number, "%s", message);
69 error (status, errnum, "%s", message);
73 /* EOVERFLOW, EINVAL, and EILSEQ from xvasprintf are signs of
74 serious programmer errors. */
75 error (0, errno, _("unable to display error message"));