diff options
Diffstat (limited to 'common/list.c')
| -rw-r--r-- | common/list.c | 94 | 
1 files changed, 94 insertions, 0 deletions
diff --git a/common/list.c b/common/list.c new file mode 100644 index 00000000..cb160501 --- /dev/null +++ b/common/list.c @@ -0,0 +1,94 @@ +/* + * + *  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); +	} +}  | 
