1 files changed, 65 insertions, 0 deletions
diff --git a/libpkgconf/bufferset.c b/libpkgconf/bufferset.c
new file mode 100644
index 000000000000..16af128ec406
--- /dev/null
+++ b/libpkgconf/bufferset.c
@@ -0,0 +1,65 @@
+/*
+ * bufferset.c
+ * dynamically-managed buffer sets
+ *
+ * SPDX-License-Identifier: pkgconf
+ *
+ * Copyright (c) 2026 pkgconf authors (see AUTHORS).
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * This software is provided 'as is' and without any warranty, express or
+ * implied.  In no event shall the authors be liable for any damages arising
+ * from the use of this software.
+ */
+
+#include <libpkgconf/stdinc.h>
+#include <libpkgconf/libpkgconf.h>
+
+/*
+ * !doc
+ *
+ * libpkgconf `bufferset` module
+ * =============================
+ *
+ * The libpkgconf `bufferset` module contains the functions related to managing
+ * dynamically-allocated sets of buffers.
+ */
+
+pkgconf_bufferset_t *
+pkgconf_bufferset_extend(pkgconf_list_t *list, pkgconf_buffer_t *buffer)
+{
+	pkgconf_bufferset_t *set = calloc(1, sizeof(*set));
+	if (set == NULL)
+		return NULL;
+
+	if (pkgconf_buffer_len(buffer))
+	{
+		if (!pkgconf_buffer_append(&set->buffer, pkgconf_buffer_str(buffer)))
+		{
+			free(set);
+			return NULL;
+		}
+	}
+
+	pkgconf_node_insert_tail(&set->node, set, list);
+	return set;
+}
+
+void
+pkgconf_bufferset_free(pkgconf_list_t *list)
+{
+	pkgconf_node_t *iter, *iter_next;
+
+	PKGCONF_FOREACH_LIST_ENTRY_SAFE(list->head, iter_next, iter)
+	{
+		pkgconf_bufferset_t *set = iter->data;
+
+		pkgconf_buffer_finalize(&set->buffer);
+		pkgconf_node_delete(&set->node, list);
+
+		free(set);
+	}
+}