move list.[hc] into lib-lib.

[apps/madmutt.git] / lib-lib / list.c

diff --git a/lib-lib/list.c b/lib-lib/list.c
new file mode 100644 (file)
index 0000000..74c60c7
--- /dev/null
+++ b/lib-lib/list.c
@@ -0,0 +1,77 @@
+/*
+ *  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., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA 02110-1301, USA.
+ *
+ *  Copyright © 2006 Pierre Habouzit
+ */
+
+/*
+ * Copyright notice from original mutt:
+ * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "mem.h"
+#include "str.h"
+#include "list.h"
+
+LIST *mutt_copy_list(LIST *p) {
+    LIST *t, *r = NULL, *l = NULL;
+
+    for (; p; p = p->next) {
+        t = p_new(LIST, 1);
+        t->data = m_strdup(p->data);
+        t->next = NULL;
+        if (l) {
+            r->next = t;
+            r = r->next;
+        } else {
+            l = r = t;
+        }
+    }
+    return l;
+}
+
+LIST *mutt_add_list_n(LIST *head, const void *data, size_t len) {
+    LIST *tmp;
+
+    for (tmp = head; tmp && tmp->next; tmp = tmp->next);
+
+    if (tmp) {
+        tmp->next = p_new(LIST, 1);
+        tmp = tmp->next;
+    } else {
+        head = tmp = p_new(LIST, 1);
+    }
+
+    tmp->data = p_dup((const char *)data, len);
+    tmp->next = NULL;
+    return head;
+}
+
+void mutt_free_list(LIST **list) {
+    LIST *p;
+
+    if (list) {
+        while (*list) {
+            p = *list;
+            *list = (*list)->next;
+            p_delete(&p->data);
+            p_delete(&p);
+        }
+    }
+}