test-ctype.c

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/*
 * src/test/locale/test-ctype.c
 */
 
/*
 *
 * test-ctype.c
 *
 * Written by Oleg BroytMann, phd2@earthling.net
 * with help from Oleg Bartunov, oleg@sai.msu.su
 * Copyright (C) 1998 PhiloSoft Design
 *
 * This is copyrighted but free software. You can use it, modify and distribute
 * in original or modified form providing that the author's names and the above
 * copyright notice will remain.
 *
 * Disclaimer, legal notice and absence of warranty.
 * This software provided "as is" without any kind of warranty. In no event
 * the author shall be liable for any damage, etc.
 *
 */
 
#include <stdio.h>
#include <locale.h>
#include <ctype.h>
 
char       *flag(int b);
void        describe_char(int c);
 
#undef LONG_FLAG
 
char *
flag(int b)
{
#ifdef LONG_FLAG
    return b ? "yes" : "no";
#else
    return b ? "+" : " ";
#endif
}
 
void
describe_char(int c)
{
    unsigned char cp = c,
                up = toupper(c),
                lo = tolower(c);
 
    if (!isprint(cp))
        cp = ' ';
    if (!isprint(up))
        up = ' ';
    if (!isprint(lo))
        lo = ' ';
 
    printf("chr#%-4d%2c%6s%6s%6s%6s%6s%6s%6s%6s%6s%6s%6s%4c%4c\n", c, cp, flag(isalnum(c)), flag(isalpha(c)), flag(iscntrl(c)), flag(isdigit(c)), flag(islower(c)), flag(isgraph(c)), flag(isprint(c)), flag(ispunct(c)), flag(isspace(c)), flag(isupper(c)), flag(isxdigit(c)), lo, up);
}
 
int
main()
{
    short       c;
    char       *cur_locale;
 
    cur_locale = setlocale(LC_ALL, "");
    if (cur_locale)
        fprintf(stderr, "Successfully set locale to \"%s\"\n", cur_locale);
    else
    {
        fprintf(stderr, "Cannot setup locale. Either your libc does not provide\nlocale support, or your locale data is corrupt, or you have not set\nLANG or LC_CTYPE environment variable to proper value. Program aborted.\n");
        return 1;
    }
 
    printf("char#  char alnum alpha cntrl digit lower graph print punct space upper xdigit lo up\n");
    for (c = 0; c <= 255; c++)
        describe_char(c);
 
    return 0;
}