1 /* printf wrappers that fail immediately for non-file-related errors
2 Copyright (C) 2007 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 3 of the License, or
7 (at your option) any later version.
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
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 /* written by Jim Meyering */
29 /* Just like printf, but call error if it fails without setting the
30 stream's error indicator. */
32 xprintf (char const *restrict format, ...)
36 va_start (args, format);
37 retval = xvprintf (format, args);
43 /* Just like vprintf, but call error if it fails without setting the
44 stream's error indicator. */
46 xvprintf (char const *restrict format, va_list args)
48 int retval = vprintf (format, args);
49 if (retval < 0 && ! ferror (stdout))
50 error (exit_failure, errno, gettext ("cannot perform formatted output"));
55 /* Just like fprintf, but call error if it fails without setting the
56 stream's error indicator. */
58 xfprintf (FILE *restrict stream, char const *restrict format, ...)
62 va_start (args, format);
63 retval = xvfprintf (stream, format, args);
69 /* Just like vfprintf, but call error if it fails without setting the
70 stream's error indicator. */
72 xvfprintf (FILE *restrict stream, char const *restrict format, va_list args)
74 int retval = vfprintf (stream, format, args);
75 if (retval < 0 && ! ferror (stream))
76 error (exit_failure, errno, gettext ("cannot perform formatted output"));