2496616b0a
function old new delta udhcp_str2optset 616 650 +34 setpriv_main 950 975 +25 switch_root_main 688 706 +18 parse 958 970 +12 getopt_main 622 628 +6 parse_resolvconf 302 306 +4 mpstat_main 1139 1142 +3 static.p 4 - -4 cdcmd 717 702 -15 strtok 148 - -148 ------------------------------------------------------------------------------ (add/remove: 0/3 grow/shrink: 7/1 up/down: 102/-167) Total: -65 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
36 lines
830 B
C
36 lines
830 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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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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/* After libbb.h, since it needs sys/types.h on some systems */
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#include <sys/utsname.h> /* for uname(2) */
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/* Returns current kernel version encoded as major*65536 + minor*256 + patch,
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* so, for example, to check if the kernel is greater than 2.2.11:
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*
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* if (get_linux_version_code() > KERNEL_VERSION(2,2,11)) { <stuff> }
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*/
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int FAST_FUNC get_linux_version_code(void)
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{
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struct utsname name;
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char *t;
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int r;
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uname(&name); /* never fails */
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t = name.release - 1;
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r = 1;
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do {
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r <<= 8;
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if (t) {
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r += atoi(++t);
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t = strchr(t, '.');
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}
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} while (r < 0x1000000);
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return r - 0x1000000;
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}
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