Last change
on this file since 3863 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Various system configuration helpers.
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4 | *
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5 | * Copyright (C) 2014 Bartosz Golaszewski <bartekgola@gmail.com>
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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8 | */
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9 | #include "libbb.h"
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10 |
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11 | #if !defined(bb_arg_max)
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12 | unsigned FAST_FUNC bb_arg_max(void)
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13 | {
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14 | long r = sysconf(_SC_ARG_MAX);
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15 |
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16 | /* I've seen a version of uclibc which returned -1.
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17 | * Guard about it, and also avoid insanely large values
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18 | */
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19 | if ((unsigned long)r > 64*1024*1024)
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20 | r = 64*1024*1024;
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21 |
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22 | return r;
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23 | }
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24 | #endif
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25 |
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26 | /* Return the number of clock ticks per second. */
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27 | unsigned FAST_FUNC bb_clk_tck(void)
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28 | {
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29 | return sysconf(_SC_CLK_TCK);
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30 | }
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