1 /**

     2  * Unicode Testcase

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 #include <stdio.h>

     7 #include <stdlib.h>

     8 #include <wchar.h>

     9 #include <locale.h>

    10 #include <string.h>

    11 

    12 #define FACTOR 1.42

    13 

    14 wchar_t *substr (const wchar_t * s, int start, int end)

    15 {

    16     wchar_t *str;

    17 

    18     int len = end - start;

    19 

    20     if (len < 1)

    21         return NULL;

    22 

    23     if ((str = malloc (sizeof (wchar_t) * (len + 1))) == NULL)

    24         return NULL;

    25 

    26     wcsncpy (str, s + start, len);

    27     str[len] = L'\0';

    28 

    29     return str;

    30 }

    31 

    32 int main (int argc, char **argv)

    33 {

    34     wchar_t *wide_str = L"Report Bugs to mbroeker@largo.homelinux.org ...";

    35     wchar_t *email_addr;

    36 

    37     wchar_t wide_euro_char = L'\u20ac';

    38     wchar_t wide_dollar_char = L'\u0024';

    39 

    40     char *locale;

    41 

    42     double price;

    43 

    44     if (argc != 2) {

    45         printf ("Usage: [LC_ALL=C] %s <PRICE>\n", argv[0]);

    46         return EXIT_FAILURE;

    47     }

    48 

    49     if (!setlocale (LC_ALL, "")) {

    50         perror ("LOCALE");

    51         return EXIT_FAILURE;

    52     }

    53 

    54     locale = getenv ("LC_ALL");

    55     price = atof (argv[1]);

    56 

    57     printf ("Default Locale=%s, Current LOCALE=%s\n", getenv ("LANG"), (locale ? locale : "default"));

    58     if (printf ("Best Price: %3.2f%lc = %3.2f%lc", price, wide_euro_char, price * FACTOR, wide_dollar_char) == -1) {

    59         printf ("\rBest Price: %3.2f EUR = %3.2f USD", price, price * FACTOR);

    60     }

    61 

    62     printf ("\n");

    63 

    64     email_addr = substr (wide_str, 23, 43);

    65 

    66     printf ("Do not report bugs to webmaster%ls\n", email_addr);

    67     printf ("%ls\n", wide_str);

    68 

    69     if (email_addr)

    70         free (email_addr);

    71 

    72     return EXIT_SUCCESS;

    73 }