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/>. */
28 /* written by Jim Meyering */
30 /* Just like printf, but call error if it fails without setting
31 the error indicator. */
33 xprintf (char const *restrict format, ...)
36 va_start (args, format);
37 int err = vprintf (format, args);
38 if (err < 0 && ! ferror (stdout))
39 error (exit_failure, errno, gettext ("cannot perform formatted output"));
45 /* Just like fprintf, but call error if it fails without setting
46 the error indicator. */
48 xfprintf (FILE *restrict stream, char const *restrict format, ...)
51 va_start (args, format);
52 int err = vfprintf (stream, format, args);
53 if (err < 0 && ! ferror (stream))
54 error (exit_failure, errno, gettext ("cannot perform formatted output"));