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author | millert <> | 2003-05-08 23:26:30 +0000 |
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committer | millert <> | 2003-05-08 23:26:30 +0000 |
commit | cc7ac4251d9e79f59912cefe0a1327534890ca07 (patch) | |
tree | 1c26f297e22f3f1fe18f87a223c6bdff66a0e471 /src/lib/libc/stdlib/insque.c | |
parent | 904702870b8643c3707b8b8747e4c6814f2afa54 (diff) | |
download | openbsd-cc7ac4251d9e79f59912cefe0a1327534890ca07.tar.gz openbsd-cc7ac4251d9e79f59912cefe0a1327534890ca07.tar.bz2 openbsd-cc7ac4251d9e79f59912cefe0a1327534890ca07.zip |
move insque(3) and remque(3) from libcompat -> libc; they are now POSIX
Diffstat (limited to 'src/lib/libc/stdlib/insque.c')
-rw-r--r-- | src/lib/libc/stdlib/insque.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/insque.c b/src/lib/libc/stdlib/insque.c new file mode 100644 index 0000000000..549246c71f --- /dev/null +++ b/src/lib/libc/stdlib/insque.c | |||
@@ -0,0 +1,52 @@ | |||
1 | /* $OpenBSD: insque.c,v 1.1 2003/05/08 23:26:30 millert 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 | #if defined(LIBC_SCCS) && !defined(lint) | ||
32 | static char *rcsid = "$OpenBSD: insque.c,v 1.1 2003/05/08 23:26:30 millert Exp $"; | ||
33 | #endif /* LIBC_SCCS and not lint */ | ||
34 | |||
35 | #include <search.h> | ||
36 | |||
37 | struct qelem { | ||
38 | struct qelem *q_forw; | ||
39 | struct qelem *q_back; | ||
40 | }; | ||
41 | |||
42 | void | ||
43 | insque(void *entry, void *pred) | ||
44 | { | ||
45 | struct qelem *e = (struct qelem *) entry; | ||
46 | struct qelem *p = (struct qelem *) pred; | ||
47 | |||
48 | e->q_forw = p->q_forw; | ||
49 | e->q_back = p; | ||
50 | p->q_forw->q_back = e; | ||
51 | p->q_forw = e; | ||
52 | } | ||