8fcfb01a81
The copyrights of the source files were all out of date and were not the same format. This has been corrected. The source of the authors was examining the git log for each file. Signed-off-by: Craig Small <csmall@dropbear.xyz>
72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*
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* libproc2 - Library to read proc filesystem
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*
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* Copyright © 2002-2023 Craig Small <csmall@dropbear.xyz>
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* Copyright © 2013-2023 Jim Warner <james.warner@comcast.net>
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* Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
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* Copyright © 2002-2003 Albert Cahalan
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* Copyright © 1996 Charles Blake <cblake@bbn.com>
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* Copyright © 1995 Martin Schulze <joey@infodrom.north.de>
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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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#include <errno.h>
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#include <stdio.h>
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#include "misc.h"
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#include "procps-private.h"
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#ifdef __CYGWIN__
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#define PROCFS_OSRELEASE "/proc/version"
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#define PROCFS_OSPATTERN "%*s version %u.%u.%u"
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#else
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#define PROCFS_OSRELEASE "/proc/sys/kernel/osrelease"
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#define PROCFS_OSPATTERN "%u.%u.%u"
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#endif
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/*
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* procps_linux_version
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*
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* Return the current running Linux version release as shown in
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* the procps filesystem.
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*
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* There are three ways you can get OS release:
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* 1) /proc/sys/kernel/osrelease - returns correct version of procfs
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* 2) /proc/version - returns version of kernel e.g. BSD this is wrong
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* 3) uname and uts.release - same as /proc/version field #3
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*
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* Returns: version as an integer
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* Negative value means an error
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*/
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PROCPS_EXPORT int procps_linux_version(void)
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{
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FILE *fp;
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char buf[256];
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unsigned int x = 0, y = 0, z = 0;
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int version_string_depth;
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if ((fp = fopen(PROCFS_OSRELEASE, "r")) == NULL)
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return -errno;
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if (fgets(buf, 256, fp) == NULL) {
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fclose(fp);
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return -EIO;
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}
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fclose(fp);
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version_string_depth = sscanf(buf, PROCFS_OSPATTERN, &x, &y, &z);
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if ((version_string_depth < 2) || /* Non-standard for all known kernels */
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((version_string_depth < 3) && (x < 3))) /* Non-standard for 2.x.x kernels */
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return -ERANGE;
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return LINUX_VERSION(x,y,z);
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}
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