utf8.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Fri, 05 Mar 2010 22:15:40 +0100
changeset 117 5f3a34ba6489
parent 114 6f6850407ccf
permissions -rw-r--r--
Makefile: common linker flags committer: Markus Bröker <mbroeker@largo.homelinux.org>
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     1
/**
77
49e0babccb23 HEADER TAGS
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 48
diff changeset
     2
 * utf8.c
9
c3fecc82ade6 standard tags for git projects
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 8
diff changeset
     3
 * Copyright (C) 2008 Markus Broeker
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     4
 */
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     5
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     6
#include <stdio.h>
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     7
#include <stdlib.h>
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     8
#include <wchar.h>
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
     9
#include <locale.h>
114
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    10
#include <string.h>
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    11
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    12
#ifndef u_char
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    13
typedef unsigned char u_char;
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    14
#endif
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    15
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    16
int main ()
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    17
{
114
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    18
    char dest[6];
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    19
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    20
    wchar_t *str = L"Unicode Example with german umlauts: ÄÖÜäöü߀\n";
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    21
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    22
    if (!setlocale (LC_CTYPE, "")) {
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    23
        perror ("SETLOCALE");
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    24
        return EXIT_FAILURE;
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    25
    }
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    26
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    27
    printf ("%ls", str);
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    28
114
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    29
    while (*str != L'\n') {
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    30
        memset (&dest, 0, sizeof (dest));
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    31
        if (wctomb (dest, (*str)) < 0)
6f6850407ccf buffer overflow in utf8 and ncurses demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 77
diff changeset
    32
            perror ("wctomb");
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    33
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    34
        printf ("%lc -> [%4X] (%2X:%2X:%2X:%2X)\n",
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    35
                *str, *str, (u_char) dest[0], (u_char) dest[1], (u_char) dest[2], (u_char) dest[3]);
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    36
        str++;
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    37
    }
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    38
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    39
    printf ("DIFF: %d : 0x%2X\n", 0x40, 0x40);
8
96d16dfe787a We use return EXIT_SUCCESS instead of return 0
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 0
diff changeset
    40
96d16dfe787a We use return EXIT_SUCCESS instead of return 0
Markus Bröker <mbroeker@largo.dyndns.tv>
parents: 0
diff changeset
    41
    return EXIT_SUCCESS;
0
af501b0c1716 demos cvs copy
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff changeset
    42
}