Source Code File 03-03_colortest

03-03_colortest.c

#include <ncurses.h>

int main()
{
    initscr();

/* test for color ability of the terminal */
    if(!has_colors())
    {
        endwin();   /* exit Ncurses */
        puts("Terminal cannot do colors");
        return 1;
    }
    
/* initialize Ncurses colors */
    if(start_color() != OK)
    {
        endwin();
        puts("Unable to start colors.");
        return 1;
    }

/* colors are okay; continue */
    printw("Colors initialized.\n");
    printw("%d colors available.\n",COLORS);
    printw("%d color pairs.",COLOR_PAIRS);
    refresh();
    getch();

    endwin();
    return 0;
}

Output Screenshot

Notes

* The screenshot above is for a terminal configured with xterm-color.

* The screenshot below is from terminal configured as xterm-256.

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