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
|
/*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
* For copying and distribution information, please see the file
* <Copyright.MIT>.
*
* from: k_gethostname.c,v 4.1 88/12/01 14:04:42 jtkohl Exp $
* $FreeBSD$
*/
#if 0
#ifndef lint
static char rcsid[] =
"$FreeBSD$";
#endif /* lint */
#endif
#include <unistd.h>
#ifndef PC
#ifndef BSD42
/* teach me how to k_gethostname for your system here */
#endif
#endif
#ifdef PC
#include <stdio.h>
typedef long in_name;
#include "custom.h" /* where is this file? */
extern get_custom();
#define LEN 64 /* just a guess */
#endif /* PC */
/*
* Return the local host's name in "name", up to "namelen" characters.
* "name" will be null-terminated if "namelen" is big enough.
* The return code is 0 on success, -1 on failure. (The calling
* interface is identical to gethostname(2).)
*
* Currently defined for BSD 4.2 and PC. The BSD version just calls
* gethostname(); the PC code was taken from "kinit.c", and may or may
* not work.
*/
int
k_gethostname(name, namelen)
char *name;
int namelen;
{
#ifdef BSD42
return gethostname(name, namelen);
#endif
#ifdef PC
char buf[LEN];
char b1, b2, b3, b4;
register char *ptr;
get_custom(); /* should check for errors,
* return -1 on failure */
ptr = (char *) &(custom.c_me);
b1 = *ptr++;
b2 = *ptr++;
b3 = *ptr++;
b4 = *ptr;
(void) sprintf(buf,"PC address %d.%d.%d.%d",b1,b2,b3,b4);
if (strlen(buf) > namelen)
fprintf(stderr, "gethostname: namelen too small; truncating");
strnpcy(name, buf, namelen);
return 0;
#endif
}
|
