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library: Change linux version

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Added function procps_linux_version() which used to be an
exported integer instead.  Also changed the method of obtaining
the linux version (more correctly the os release) to use a specific
procfs entry. This works for both Linux and FreeBSD.
This commit is contained in:
Craig Small
2015-06-19 21:00:46 +10:00
parent 94e5ef15fc
commit 56d9d5e7e7
8 changed files with 93 additions and 81 deletions
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46
proc/version.h
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@@ -1,23 +1,33 @@
/*
* libprocps - Library to read proc filesystem
*
* Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
* Copyright (C) 1996 Charles Blake <cblake@bbn.com>
* Copyright (C) 2003 Albert Cahalan
* Copyright (C) 2015 Craig Small <csmall@enc.com.au>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PROC_VERSION_H
#define PROC_VERSION_H
#include "procps.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Suite version information for procps-ng utilities
* Copyright (c) 1995 Martin Schulze <joey@infodrom.north.de>
* Linux kernel version information for procps-ng utilities
* Copyright (c) 1996 Charles Blake <cblake@bbn.com>
* Distributable under the terms of the GNU Library General Public License
*
* Copyright 2002 Albert Cahalan
*/
EXTERN_C_BEGIN
void init_Linux_version(void); /* Get Linux version */
extern int linux_version_code; /* runtime version of LINUX_VERSION_CODE
in /usr/include/linux/version.h */
int procps_linux_version(void);
/* Convenience macros for composing/decomposing version codes */
#define LINUX_VERSION(x,y,z) (0x10000*(x) + 0x100*(y) + z)
@@ -25,6 +35,8 @@ extern int linux_version_code; /* runtime version of LINUX_VERSION_CODE
#define LINUX_VERSION_MINOR(x) (((x)>> 8) & 0xFF)
#define LINUX_VERSION_PATCH(x) ( (x) & 0xFF)
EXTERN_C_END
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* PROC_VERSION_H */