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/* example.c --- Example code showing how to use stringprep().
* Copyright (C) 2002-2016 Simon Josefsson
*
* This file is part of GNU Libidn.
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h> /* setlocale() */
#include <stringprep.h>
/*
* Compiling using libtool and pkg-config is recommended:
*
* $ libtool cc -o example example.c `pkg-config --cflags --libs libidn`
* $ ./example
* Input string encoded as `ISO-8859-1': ª
* Before locale2utf8 (length 2): aa 0a
* Before stringprep (length 3): c2 aa 0a
* After stringprep (length 2): 61 0a
* $
*
*/
int
main (void)
{
char buf[BUFSIZ];
char *p;
int rc;
size_t i;
setlocale (LC_ALL, "");
printf ("Input string encoded as `%s': ", stringprep_locale_charset ());
fflush (stdout);
if (!fgets (buf, BUFSIZ, stdin))
perror ("fgets");
buf[strlen (buf) - 1] = '\0';
printf ("Before locale2utf8 (length %ld): ", (long int) strlen (buf));
for (i = 0; i < strlen (buf); i++)
printf ("%02x ", (unsigned) buf[i] & 0xFF);
printf ("\n");
p = stringprep_locale_to_utf8 (buf);
if (p)
{
strcpy (buf, p);
free (p);
}
else
printf ("Could not convert string to UTF-8, continuing anyway...\n");
printf ("Before stringprep (length %ld): ", (long int) strlen (buf));
for (i = 0; i < strlen (buf); i++)
printf ("%02x ", (unsigned) buf[i] & 0xFF);
printf ("\n");
rc = stringprep (buf, BUFSIZ, 0, stringprep_nameprep);
if (rc != STRINGPREP_OK)
printf ("Stringprep failed (%d): %s\n", rc, stringprep_strerror (rc));
else
{
printf ("After stringprep (length %ld): ", (long int) strlen (buf));
for (i = 0; i < strlen (buf); i++)
printf ("%02x ", (unsigned) buf[i] & 0xFF);
printf ("\n");
}
return 0;
}