source: MondoRescue/branches/3.3/mindi-busybox/libbb/sysconf.c@ 3647

/* vi: set sw=4 ts=4: */
/*
 * Various system configuration helpers.
 *
 * Copyright (C) 2014 Bartosz Golaszewski <bartekgola@gmail.com>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */
#include "libbb.h"

#if !defined(bb_arg_max)
unsigned FAST_FUNC bb_arg_max(void)
{
    long r = sysconf(_SC_ARG_MAX);

    /* I've seen a version of uclibc which returned -1.
     * Guard about it, and also avoid insanely large values
     */
    if ((unsigned long)r > 64*1024*1024)
        r = 64*1024*1024;

    return r;
}
#endif

/* Return the number of clock ticks per second. */
unsigned FAST_FUNC bb_clk_tck(void)
{
    return sysconf(_SC_CLK_TCK);
}