/* Based on code by Larry McVoy . */ #include #include #include #define V 12345678.12345678 int main (int argc, char *argv[]) { char buf[1024]; int result = 0; /* Register the printf handlers. */ register_printf_function ('b', printf_size, printf_size_info); register_printf_function ('B', printf_size, printf_size_info); sprintf (buf, "%g %b %B %.0b %.0B %.1b %.1B %8.0b %08.0B", V, 1025., V, V, V, V, V, V, V, V); fputs (buf, stdout); if (strcmp (buf, "\ 1.23457e+07 1.001k 12.346M 12m 12M 11.8m 12.3M 12m 0000012M")) { result = 1; fputs (" -> WRONG\n", stdout); } else fputs (" -> OK\n", stdout); sprintf (buf, "%b|%B|%-20.2b|%-10.0b|%-10.8b|%-10.2B|", V, V, V, V, V, V, V, V, V, V, V); fputs (buf, stdout); if (strcmp (buf, "\ 11.774m|12.346M|11.77m |12m |11.77375614m|12.35M |")) { result = 1; fputs (" -> WRONG\n", stdout); } else fputs (" -> OK\n", stdout); sprintf (buf, "%#.0B %*.0b %10.*b %*.*B %10.2B", V, 2, V, 2, V, 10, 2, V, V); fputs (buf, stdout); if (strcmp (buf, "12.M 12m 11.77m 12.35M 12.35M")) { result = 1; fputs (" -> WRONG\n", stdout); } else fputs (" -> OK\n", stdout); sprintf (buf, "%6B %6.1B %b %B %b %B", V, V, 1000.0, 1000.0, 1024.0, 1024.0); fputs (buf, stdout); if (strcmp (buf, "12.346M 12.3M 1000.000 1.000K 1.000k 1.024K")) { result = 1; fputs (" -> WRONG\n", stdout); } else fputs (" -> OK\n", stdout); return result; }