[apple/libc.git] / stdlib / FreeBSD / remque.c

/*
 * Initial implementation:
 * Copyright (c) 2002 Robert Drehmel
 * All rights reserved.
 *
 * As long as the above copyright statement and this notice remain
 * unchanged, you can do what ever you want with this file. 
 */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/stdlib/remque.c,v 1.3 2003/01/04 07:34:41 tjr Exp $");

#define	_SEARCH_PRIVATE
#include <search.h>
#include <stdlib.h>	/* for NULL */

void
remque(void *element)
{
	struct que_elem *prev, *next, *elem;

	elem = (struct que_elem *)element;

	prev = elem->prev;
	next = elem->next;

	if (prev != NULL)
		prev->next = next;
	if (next != NULL)
		next->prev = prev;
}
Commit	Line	Data
9385eb3d A	1	/*
	2	* Initial implementation:
	3	* Copyright (c) 2002 Robert Drehmel
	4	* All rights reserved.
	5	*
	6	* As long as the above copyright statement and this notice remain
	7	* unchanged, you can do what ever you want with this file.
	8	*/
	9	#include <sys/cdefs.h>
	10	__FBSDID("$FreeBSD: src/lib/libc/stdlib/remque.c,v 1.3 2003/01/04 07:34:41 tjr Exp $");
	11
	12	#define _SEARCH_PRIVATE
	13	#include <search.h>
	14	#include <stdlib.h> /* for NULL */
	15
	16	void
	17	remque(void *element)
	18	{
	19	struct que_elem prev, next, *elem;
	20
	21	elem = (struct que_elem *)element;
	22
	23	prev = elem->prev;
	24	next = elem->next;
	25
	26	if (prev != NULL)
	27	prev->next = next;
	28	if (next != NULL)
	29	next->prev = prev;
	30	}