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
|
/* lookup.c - example program to demonstrate domain decoding using Libidn2
Copyright (C) 2016 Tim Rühsen
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h> /* uint8_t */
#include <stdio.h> /* printf, fflush, fgets, stdin, perror, fprintf */
#include <string.h> /* strlen */
#include <locale.h> /* setlocale */
#include <stdlib.h> /* free */
#include <idn2.h> /* idn2_lookup_ul, IDN2_OK, idn2_strerror, idn2_strerror_name */
int
main (int argc, char *argv[])
{
int rc;
char src[BUFSIZ];
char *decoded;
setlocale (LC_ALL, "");
printf ("Enter (possibly non-ASCII) domain name to decode: ");
fflush (stdout);
if (!fgets (src, sizeof (src), stdin))
{
perror ("fgets");
return 1;
}
src[strlen (src) - 1] = '\0';
rc = idn2_to_unicode_lzlz (src, &decoded, 0);
if (rc != IDN2_OK)
{
fprintf (stderr, "error: %s (%s, %d)\n",
idn2_strerror (rc), idn2_strerror_name (rc), rc);
return 1;
}
printf ("Decoded domain name: %s\n", decoded);
free (decoded);
return 0;
}
|
