1 files changed, 56 insertions, 0 deletions
diff --git a/lib/xprintf.h b/lib/xprintf.h
new file mode 100644
index 0000000..d86fe0c
--- /dev/null
+++ b/lib/xprintf.h
@@ -0,0 +1,56 @@
+/* printf wrappers that fail immediately for non-file-related errors
+   Copyright (C) 2007-2022 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/>.  */
+
+#ifndef _XPRINTF_H
+#define _XPRINTF_H
+
+#include <stdarg.h>
+#include <stdio.h>
+
+extern int xprintf (char const *restrict format, ...)
+#if GNULIB_VPRINTF_POSIX
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 2))
+#else
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 2))
+#endif
+     ;
+
+extern int xvprintf (char const *restrict format, va_list args)
+#if GNULIB_VPRINTF_POSIX
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 1, 0))
+#else
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 1, 0))
+#endif
+     ;
+
+extern int xfprintf (FILE *restrict stream, char const *restrict format, ...)
+#if GNULIB_VFPRINTF_POSIX
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 3))
+#else
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 3))
+#endif
+     ;
+
+extern int xvfprintf (FILE *restrict stream, char const *restrict format,
+                      va_list args)
+#if GNULIB_VFPRINTF_POSIX
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 2, 0))
+#else
+     _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 2, 0))
+#endif
+     ;
+
+#endif