pmt: initial 3.0.2 update

include/libgnulib/gl_sublist.h

@@ -0,0 +1,52 @@
+/* Sequential list data type backed by another list.
+   Copyright (C) 2006, 2009-2024 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2006.
+
+   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 _GL_SUBLIST_H
+#define _GL_SUBLIST_H
+
+#include "gl_list.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Creates a sublist of a given list.
+   This is the list of elements with indices i, start_index <= i < end_index.
+   The sublist is backed by the given list, which means:
+     - Modifications to the sublist affect the whole list.
+     - Modifications to the whole list are immediately visible in the sublist.
+     - The sublist is only valid as long as the whole list is valid.
+     - The sublist must not be passed to the gl_list_sortedlist_add() function.
+ */
+#if 0 /* declared in gl_xsublist.h */
+extern gl_list_t gl_sublist_create (gl_list_t whole_list,
+                                    size_t start_index, size_t end_index)
+  /*_GL_ATTRIBUTE_DEALLOC (gl_list_free, 1)*/
+  _GL_ATTRIBUTE_RETURNS_NONNULL;
+#endif
+/* Likewise.  Returns NULL upon out-of-memory.  */
+extern gl_list_t gl_sublist_nx_create (gl_list_t whole_list,
+                                       size_t start_index, size_t end_index)
+  /*_GL_ATTRIBUTE_DEALLOC (gl_list_free, 1)*/;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_SUBLIST_H */