/* 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); }