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-rw-r--r--common/list.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/common/list.c b/common/list.c
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+++ b/common/list.c
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+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "list.h"
+
+struct slist *slist_append(struct slist *list, void *data)
+{
+ struct slist *entry, *tail;
+
+ entry = malloc(sizeof(struct slist));
+ /* FIXME: this currently just silently fails */
+ if (!entry)
+ return list;
+
+ entry->data = data;
+ entry->next = NULL;
+
+ if (!list)
+ return entry;
+
+ /* Find the end of the list */
+ for (tail = list; tail->next; tail = tail->next);
+
+ tail->next = entry;
+
+ return list;
+}
+
+struct slist *slist_remove(struct slist *list, void *data)
+{
+ struct slist *l, *next, *prev = NULL, *match = NULL;
+
+ if (!list)
+ return NULL;
+
+ for (l = list; l != NULL; l = l->next) {
+ if (l->data == data) {
+ match = l;
+ break;
+ }
+ prev = l;
+ }
+
+ if (!match)
+ return list;
+
+ next = match->next;
+ match->next = NULL;
+
+ /* If the head was removed, return the next element */
+ if (!prev)
+ return next;
+
+ prev->next = match->next;
+
+ return list;
+}
+
+void slist_free(struct slist *list)
+{
+ struct slist *l, *next;
+
+ for (l = list; l != NULL; l = next) {
+ next = l->next;
+ free(l);
+ }
+}