1 files changed, 55 insertions, 0 deletions

diff --git a/gl/fseterr.h b/gl/fseterr.h
new file mode 100644
index 00000000..57c30ef3
--- /dev/null
+++ b/gl/fseterr.h
@@ -0,0 +1,55 @@
+/* Set the error indicator of a stream.
+   Copyright (C) 2007, 2009-2025 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 2.1 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 _FSETERR_H
+#define _FSETERR_H
+
+/* This file uses HAVE___FSETERR.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#include <stdio.h>
+
+/* Set the error indicator of the stream FP.
+   The "error indicator" is set when an I/O operation on the stream fails, and
+   is cleared (together with the "end-of-file" indicator) by clearerr (FP).  */
+
+#if HAVE___FSETERR /* musl libc */
+
+/* Haiku has __fseterr but does not declare it.  */
+# if defined __HAIKU__
+extern void __fseterr (FILE *fp);
+# endif
+
+# include <stdio_ext.h>
+# define fseterr(fp) __fseterr (fp)
+
+#else
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+extern void fseterr (FILE *fp);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif
+
+#endif /* _FSETERR_H */