1 files changed, 48 insertions, 0 deletions
diff --git a/src/grep/lib/xbinary-io.h b/src/grep/lib/xbinary-io.h
new file mode 100644
index 0000000..ef377d9
--- /dev/null
+++ b/src/grep/lib/xbinary-io.h
@@ -0,0 +1,48 @@
+/* Binary mode I/O with checking
+   Copyright 2017-2021 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 3 of the
+   License, or (at your option) any later version.
+
+   This file 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _XBINARY_IO_H
+#define _XBINARY_IO_H
+
+#include "binary-io.h"
+
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef XBINARY_IO_INLINE
+# define XBINARY_IO_INLINE _GL_INLINE
+#endif
+
+#if O_BINARY
+extern _Noreturn void xset_binary_mode_error (void);
+#else
+XBINARY_IO_INLINE void xset_binary_mode_error (void) {}
+#endif
+
+/* Set the mode of FD to MODE, which should be either O_TEXT or O_BINARY.
+   Report an error and exit if this fails.  */
+
+XBINARY_IO_INLINE void
+xset_binary_mode (int fd, int mode)
+{
+  if (set_binary_mode (fd, mode) < 0)
+    xset_binary_mode_error ();
+}
+
+_GL_INLINE_HEADER_END
+
+#endif /* _XBINARY_IO_H */