19a515e314
The previous commit did not take into account operator evaluation
order so always gave 0. Fixed the macro and added some checks for
the macro.
References:
commit 9abf7d879d
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/*
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* libprocps - Library to read proc filesystem
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*
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* Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
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* Copyright (C) 1996 Charles Blake <cblake@bbn.com>
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* Copyright (C) 2003 Albert Cahalan
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* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PROC_VERSION_H
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#define PROC_VERSION_H
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#include <features.h>
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__BEGIN_DECLS
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int procps_linux_version(void);
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/* Convenience macros for composing/decomposing version codes */
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#define LINUX_VERSION(x,y,z) (0x10000*((x)&0x7fff) + 0x100*((y)&0xff) + ((z)&0xff))
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#define LINUX_VERSION_MAJOR(x) (((x)>>16) & 0xFF)
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#define LINUX_VERSION_MINOR(x) (((x)>> 8) & 0xFF)
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#define LINUX_VERSION_PATCH(x) ( (x) & 0xFF)
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__END_DECLS
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#endif /* PROC_VERSION_H */
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