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31 lines
648 B
C
31 lines
648 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Various system configuration helpers.
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*
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* Copyright (C) 2014 Bartosz Golaszewski <bartekgola@gmail.com>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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#if !defined(bb_arg_max)
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unsigned FAST_FUNC bb_arg_max(void)
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{
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long r = sysconf(_SC_ARG_MAX);
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/* I've seen a version of uclibc which returned -1.
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* Guard about it, and also avoid insanely large values
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*/
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if ((unsigned long)r > 64*1024*1024)
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r = 64*1024*1024;
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return r;
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}
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#endif
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/* Return the number of clock ticks per second. */
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unsigned FAST_FUNC bb_clk_tck(void)
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{
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return sysconf(_SC_CLK_TCK);
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}
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