Merge branch 'ubi'

1 files changed, 149 insertions, 0 deletions

diff --git a/ubi-utils/src/list.c b/ubi-utils/src/list.c
new file mode 100644
index 0000000..6eb716b
--- /dev/null
+++ b/ubi-utils/src/list.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) International Business Machines Corp., 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 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Author: Oliver Lohmann
+ */
+
+#include <stdlib.h>
+#include <assert.h>
+#include <stdio.h>
+
+#include "list.h"
+
+list_t
+mk_empty(void)
+{
+	return (list_t) NULL;
+}
+
+int
+is_empty(list_t l)
+{
+	return l == NULL;
+}
+
+info_t
+head(list_t l)
+{
+	assert(!is_empty(l));
+	return l->info;
+}
+
+list_t
+tail(list_t l)
+{
+	assert(!is_empty(l));
+	return l->next;
+}
+
+list_t
+remove_head(list_t l)
+{
+	list_t res;
+	assert(!is_empty(l));
+
+	res = l->next;
+	free(l);
+	return res;
+}
+
+list_t
+cons(info_t e, list_t l)
+{
+	list_t res = malloc(sizeof(*l));
+	if (!res)
+		return NULL;
+	res->info = e;
+	res->next = l;
+
+	return res;
+}
+
+list_t
+prepend_elem(info_t e, list_t l)
+{
+	return cons(e,l);
+}
+
+list_t
+append_elem(info_t e, list_t l)
+{
+	if (is_empty(l)) {
+		return cons(e,l);
+	}
+	l->next = append_elem(e, l->next);
+
+	return l;
+}
+
+list_t
+insert_sorted(cmp_func_t cmp, info_t e, list_t l)
+{
+	if (is_empty(l))
+		return cons(e, l);
+
+	switch (cmp(e, l->info)) {
+	case -1:
+	case  0:
+		return l;
+		break;
+	case  1:
+		l->next = insert_sorted(cmp, e, l);
+		break;
+	default:
+		break;
+	}
+
+	/* never reached */
+	return NULL;
+}
+
+list_t
+remove_all(free_func_t free_func, list_t l)
+{
+	if (is_empty(l))
+		return l;
+	list_t lnext = l->next;
+
+	if (free_func && l->info) {
+		free_func(&(l->info));
+	}
+	free(l);
+
+	return remove_all(free_func, lnext);
+}
+
+
+info_t
+is_in(cmp_func_t cmp, info_t e, list_t l)
+{
+	return
+	(is_empty(l))
+	? NULL
+	: (cmp(e, l->info)) == 0 ? l->info : is_in(cmp, e, l->next);
+}
+
+
+void
+apply(process_func_t process_func, list_t l)
+{
+	list_t ptr;
+	void *i;
+	foreach(i, ptr, l) {
+		process_func(i);
+	}
+}