utf8.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Fri, 05 Mar 2010 22:03:56 +0100
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buffer overflow in utf8 and ncurses demo the buffer for wctomb was too small committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * utf8.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <locale.h>
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#include <string.h>
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#ifndef u_char
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typedef unsigned char u_char;
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#endif
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int main ()
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{
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    char dest[6];
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    wchar_t *str = L"Unicode Example with german umlauts: ÄÖÜäöü߀\n";
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    if (!setlocale (LC_CTYPE, "")) {
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        perror ("SETLOCALE");
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        return EXIT_FAILURE;
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    }
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    printf ("%ls", str);
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    while (*str != L'\n') {
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        memset (&dest, 0, sizeof (dest));
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        if (wctomb (dest, (*str)) < 0)
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            perror ("wctomb");
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        printf ("%lc -> [%4X] (%2X:%2X:%2X:%2X)\n",
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                *str, *str, (u_char) dest[0], (u_char) dest[1], (u_char) dest[2], (u_char) dest[3]);
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        str++;
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    }
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    printf ("DIFF: %d : 0x%2X\n", 0x40, 0x40);
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    return EXIT_SUCCESS;
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}