blob: 142363ccc63527383d5102a8240af5d3a353e7b8 (
plain)
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
83
84
|
/* Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
* This file is part of the Linux-8086 C library and is distributed
* under the GNU Library General Public License.
*/
#include <string.h>
#include <ctype.h>
#include <netinet/in.h>
int inet_aton(const char *cp, struct in_addr *inp);
#ifdef L_inet_aton
int inet_aton(cp, inp)
const char *cp;
struct in_addr *inp;
{
unsigned long addr;
int value;
int part;
if (!inp)
return 0;
addr = 0;
for (part = 1; part <= 4; part++) {
if (!isdigit(*cp))
return 0;
value = 0;
while (isdigit(*cp)) {
value *= 10;
value += *cp++ - '0';
if (value > 255)
return 0;
}
if (*cp++ != ((part == 4) ? '\0' : '.'))
return 0;
addr <<= 8;
addr |= value;
}
inp->s_addr = htonl(addr);
return 1;
}
#endif
#ifdef L_inet_addr
unsigned long inet_addr(cp)
const char *cp;
{
struct in_addr a;
if (!inet_aton(cp, &a))
return -1;
else
return a.s_addr;
}
#endif
#ifdef L_inet_ntoa
extern char *itoa(int);
char *inet_ntoa(in)
struct in_addr in;
{
static char buf[18];
unsigned long addr = ntohl(in.s_addr);
strcpy(buf, itoa((addr >> 24) & 0xff));
strcat(buf, ".");
strcat(buf, itoa((addr >> 16) & 0xff));
strcat(buf, ".");
strcat(buf, itoa((addr >> 8) & 0xff));
strcat(buf, ".");
strcat(buf, itoa(addr & 0xff));
return buf;
}
#endif
|
