summaryrefslogtreecommitdiffstats
path: root/lib/xprintf.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:39:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:39:29 +0000
commit8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch)
treeccebcbad06203e8241a8e7249f8e6c478a3682ea /lib/xprintf.c
parentInitial commit. (diff)
downloadcoreutils-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.c79
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;
+}