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45 lines
1.0 KiB
45 lines
1.0 KiB
/*
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* This file is part of MXE. See LICENSE.md for licensing information.
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*
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* Based on https://www.gnu.org/software/libidn/libidn2/manual/libidn2.html#Lookup
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*/
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#include <stdio.h> /* printf, fflush, fgets, stdin, perror, fprintf */
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#include <string.h> /* strlen */
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#include <locale.h> /* setlocale */
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#include <stdlib.h> /* free */
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#include <idn2.h> /* idn2_lookup_ul, IDN2_OK, idn2_strerror, idn2_strerror_name */
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int
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main ()
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{
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int rc;
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char src[BUFSIZ];
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char *lookupname;
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setlocale (LC_ALL, "");
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printf ("Enter (possibly non-ASCII) domain name to lookup: ");
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fflush (stdout);
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if (!fgets (src, sizeof (src), stdin))
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{
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perror ("fgets");
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return 1;
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}
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src[strlen (src) - 1] = '\0';
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rc = idn2_lookup_ul (src, &lookupname, 0);
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if (rc != IDN2_OK)
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{
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fprintf (stderr, "error: %s (%s, %d)\n",
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idn2_strerror (rc), idn2_strerror_name (rc), rc);
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return 1;
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}
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printf ("IDNA2008 domain name to lookup in DNS: %s\n", lookupname);
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free (lookupname);
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return 0;
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}
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