busybox/libbb/sysconf.c
Denys Vlasenko 5aeae36e2b libbb: fix compile failure if both ARG_MAX and _SC_ARG_MAX are defined
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2014-06-25 15:39:27 +02:00

23 lines
481 B
C

/* 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(ARG_MAX) && defined(_SC_ARG_MAX)
unsigned FAST_FUNC bb_arg_max(void)
{
return sysconf(_SC_ARG_MAX);
}
#endif
/* Return the number of clock ticks per second. */
unsigned FAST_FUNC bb_clk_tck(void)
{
return sysconf(_SC_CLK_TCK);
}