1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* va_list error handler for noninteractive utilities
Copyright (C) 2006-2007, 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Eric Blake. */
#include <config.h>
#include "verror.h"
#include "xvasprintf.h"
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#if ENABLE_NLS
# include "gettext.h"
# define _(msgid) gettext (msgid)
#endif
#ifndef _
# define _(String) String
#endif
/* Print a message with 'vfprintf (stderr, FORMAT, ARGS)';
if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
If STATUS is nonzero, terminate the program with 'exit (STATUS)'.
Use the globals error_print_progname and error_message_count similarly
to error(). */
void
verror (int status, int errnum, const char *format, va_list args)
{
verror_at_line (status, errnum, NULL, 0, format, args);
}
/* Print a message with 'vfprintf (stderr, FORMAT, ARGS)';
if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
If STATUS is nonzero, terminate the program with 'exit (STATUS)'.
If FNAME is not NULL, prepend the message with "FNAME:LINENO:".
Use the globals error_print_progname, error_message_count, and
error_one_per_line similarly to error_at_line(). */
void
verror_at_line (int status, int errnum, const char *file,
unsigned int line_number, const char *format, va_list args)
{
char *message = xvasprintf (format, args);
if (message)
{
/* Until http://sourceware.org/bugzilla/show_bug.cgi?id=2997 is fixed,
glibc violates GNU Coding Standards when the file argument to
error_at_line is NULL. */
if (file)
error_at_line (status, errnum, file, line_number, "%s", message);
else
error (status, errnum, "%s", message);
}
else
{
/* EOVERFLOW, EINVAL, and EILSEQ from xvasprintf are signs of
serious programmer errors. */
error (0, errno, _("unable to display error message"));
abort ();
}
free (message);
}
|
