pmt: initial 3.0.2 update

include/libgnulib/xfreopen.h

@@ -0,0 +1,29 @@
+/* Open a file, reusing a given stream, with error checking.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
+
+   This file 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 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 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 <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Opens the file FILENAME with mode MODE, reusing the given stream FP.
+   Upon failure, emits an error message and exits the program.  */
+void xfreopen (char const *filename, char const *mode, FILE *fp);
+
+#ifdef __cplusplus
+}
+#endif