example.c

   1 /* example.c    Example code showing how to use stringprep().
   2  * Copyright (C) 2002  Simon Josefsson
   3  *
   4  * This file is part of Libstringprep.
   5  *
   6  * Libstringprep is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * Libstringprep is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with Libstringprep; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <stringprep_nameprep.h>
  26
  27 /*
  28  * Compiling using libtool and pkg-config is recommended:
  29  *
  30  * $ libtool cc -o example example.c `pkg-config --cflags --libs libstringprep`
  31  * $ ./example
  32  * Input string encoded as `ISO-8859-1': ª
  33  * Before locale2utf8 (length 2): aa 0a
  34  * Before stringprep (length 3): c2 aa 0a
  35  * After stringprep (length 2): 61 0a
  36  * $
  37  *
  38  */
  39
  40 int
  41 main (int argc, char *argv[])
  42 {
  43   char buf[BUFSIZ];
  44   char *p;
  45   int rc, i;
  46
  47   printf ("Input string encoded as `%s': ", stringprep_locale_charset ());
  48   fflush (stdout);
  49   fgets (buf, BUFSIZ, stdin);
  50
  51   printf ("Before locale2utf8 (length %d): ", strlen (buf));
  52   for (i = 0; i < strlen (buf); i++)
  53     printf ("%02x ", buf[i] & 0xFF);
  54   printf ("\n");
  55
  56   p = stringprep_locale_to_utf8 (buf);
  57   if (p)
  58     {
  59       strcpy (buf, p);
  60       free (p);
  61     }
  62   else
  63     printf ("Could not convert string to UTF-8, continuing anyway...\n");
  64
  65   printf ("Before stringprep (length %d): ", strlen (buf));
  66   for (i = 0; i < strlen (buf); i++)
  67     printf ("%02x ", buf[i] & 0xFF);
  68   printf ("\n");
  69
  70   rc = stringprep (buf, BUFSIZ, 0, stringprep_nameprep);
  71   if (rc != STRINGPREP_OK)
  72     printf ("Stringprep failed with rc %d...\n", rc);
  73   else
  74     {
  75       printf ("After stringprep (length %d): ", strlen (buf));
  76       for (i = 0; i < strlen (buf); i++)
  77         printf ("%02x ", buf[i] & 0xFF);
  78       printf ("\n");
  79     }
  80
  81   return 0;
  82 }