diff options
Diffstat (limited to 'src/lib/libc/stdlib/remque.c')
| -rw-r--r-- | src/lib/libc/stdlib/remque.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/remque.c b/src/lib/libc/stdlib/remque.c new file mode 100644 index 0000000000..ae249ae053 --- /dev/null +++ b/src/lib/libc/stdlib/remque.c | |||
| @@ -0,0 +1,44 @@ | |||
| 1 | /* $OpenBSD: remque.c,v 1.2 2005/08/08 08:05:37 espie Exp $ */ | ||
| 2 | |||
| 3 | /* | ||
| 4 | * Copyright (c) 1993 John Brezak | ||
| 5 | * All rights reserved. | ||
| 6 | * | ||
| 7 | * Redistribution and use in source and binary forms, with or without | ||
| 8 | * modification, are permitted provided that the following conditions | ||
| 9 | * are met: | ||
| 10 | * 1. Redistributions of source code must retain the above copyright | ||
| 11 | * notice, this list of conditions and the following disclaimer. | ||
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer in the | ||
| 14 | * documentation and/or other materials provided with the distribution. | ||
| 15 | * 3. The name of the author may be used to endorse or promote products | ||
| 16 | * derived from this software without specific prior written permission. | ||
| 17 | * | ||
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR | ||
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| 21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | ||
| 22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| 27 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 28 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 29 | */ | ||
| 30 | |||
| 31 | #include <search.h> | ||
| 32 | |||
| 33 | struct qelem { | ||
| 34 | struct qelem *q_forw; | ||
| 35 | struct qelem *q_back; | ||
| 36 | }; | ||
| 37 | |||
| 38 | void | ||
| 39 | remque(void *element) | ||
| 40 | { | ||
| 41 | struct qelem *e = (struct qelem *) element; | ||
| 42 | e->q_forw->q_back = e->q_back; | ||
| 43 | e->q_back->q_forw = e->q_forw; | ||
| 44 | } | ||
