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/* printf wrappers that fail immediately for non-file-related errors
Copyright (C) 2007, 2009-2016 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/>. */
#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;
}
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