1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* $NetBSD: support.c,v 1.1 1995/02/13 23:07:13 cgd Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Some C support functions that aren't (yet) in libkern or assembly.
*/
#include <sys/param.h>
#include <sys/errno.h>
void
blkclr(void *b, size_t len)
{
bzero(b, len);
}
void
ovbcopy(void *a, void *b, size_t len)
{
if (b < a) {
while (len--)
*((char *)b)++ = *((char *)a)++;
} else {
((char *)a) += len;
((char *)b) += len;
while (len--)
*--((char *)b) = *--((char *)a);
}
}
struct qelem {
struct qelem *q_forw;
struct qelem *q_back;
};
void
_insque(entry, pred)
void *entry;
void *pred;
{
struct qelem *e = (struct qelem *) entry;
struct qelem *p = (struct qelem *) pred;
e->q_forw = p->q_forw;
e->q_back = p;
p->q_forw->q_back = e;
p->q_forw = e;
}
void
_remque(element)
void *element;
{
struct qelem *e = (struct qelem *) element;
e->q_forw->q_back = e->q_back;
e->q_back->q_forw = e->q_forw;
}
|
