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
|
/*
* hex.c
*
* Copyright (c) 2001 Dug Song <[email protected]>
*
* $Id$
*/
#include "config.h"
#include <sys/types.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "dumbnet.h"
#include "aton.h"
#include "mod.h"
void
hex_usage(void)
{
fprintf(stderr, "Usage: dnet hex <string> ...\n");
exit(1);
}
int
hex_main(int argc, char *argv[])
{
char buf[IP_LEN_MAX], *p = buf;
int c, len;
if (argc == 1 || *(argv[1]) == '-')
hex_usage();
for (c = 1; c < argc; c++) {
if ((len = fmt_aton(argv[c], (u_char *)argv[c])) < 0)
hex_usage();
if (write(STDOUT_FILENO, argv[c], len) != len)
err(1, "write");
}
if (!isatty(STDIN_FILENO)) {
len = sizeof(buf);
while ((c = read(STDIN_FILENO, p, len)) > 0) {
p += c;
len -= c;
}
len = p - buf;
if (write(STDOUT_FILENO, buf, len) != len)
err(1, "write");
}
return (0);
}
struct mod mod_hex = {
"hex",
MOD_TYPE_DATA,
hex_main
};
|
