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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
commit | 8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch) | |
tree | ccebcbad06203e8241a8e7249f8e6c478a3682ea /lib/xprintf.c | |
parent | Initial commit. (diff) | |
download | coreutils-upstream.tar.xz coreutils-upstream.zip |
Adding upstream version 8.32.upstream/8.32upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/xprintf.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/xprintf.c b/lib/xprintf.c new file mode 100644 index 0000000..bb800e1 --- /dev/null +++ b/lib/xprintf.c @@ -0,0 +1,79 @@ +/* printf wrappers that fail immediately for non-file-related errors + Copyright (C) 2007, 2009-2020 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 <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include "xprintf.h" + +#include <errno.h> + +#include "error.h" +#include "exitfail.h" +#include "gettext.h" + +/* written by Jim Meyering */ + +/* Just like printf, but call error if it fails without setting the + stream's error indicator. */ +int +xprintf (char const *restrict format, ...) +{ + va_list args; + int retval; + va_start (args, format); + retval = xvprintf (format, args); + va_end (args); + + return retval; +} + +/* Just like vprintf, but call error if it fails without setting the + stream's error indicator. */ +int +xvprintf (char const *restrict format, va_list args) +{ + int retval = vprintf (format, args); + if (retval < 0 && ! ferror (stdout)) + error (exit_failure, errno, gettext ("cannot perform formatted output")); + + return retval; +} + +/* Just like fprintf, but call error if it fails without setting the + stream's error indicator. */ +int +xfprintf (FILE *restrict stream, char const *restrict format, ...) +{ + va_list args; + int retval; + va_start (args, format); + retval = xvfprintf (stream, format, args); + va_end (args); + + return retval; +} + +/* Just like vfprintf, but call error if it fails without setting the + stream's error indicator. */ +int +xvfprintf (FILE *restrict stream, char const *restrict format, va_list args) +{ + int retval = vfprintf (stream, format, args); + if (retval < 0 && ! ferror (stream)) + error (exit_failure, errno, gettext ("cannot perform formatted output")); + + return retval; +} |