docs: Cleanup procps_linux_version page

Getting the manual page for procps_linux_version(3) fixed up so
it follows the man-pages(7) and other standards.
Added lgpl license to file, so its the same as the code.
This commit is contained in:
Craig Small 2016-04-16 08:34:08 +10:00
parent 828540578c
commit d15a8901d2

View File

@ -1,7 +1,22 @@
.\"
.\" (C) Copyright 2016 Craig Small <csmall@enc.com.au>
.\"
.TH PROCPS_LINUX_VERSION 3 2016-04-14
.\" %%%LICENSE_START(LGPL_2.1+)
.\" This manual 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 manual 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
.\" %%%LICENSE_END
.\"
.TH PROCPS_LINUX_VERSION 3 2016-04-14 "libproc-2"
.\" Please adjust this date whenever revising the manpage.
.\"
.SH NAME
@ -16,10 +31,12 @@ Link with \fI\-lprocps\fP.
.SH DESCRIPTION
The function
.BR procps_linux_version ()
returns the current Linux version as an integer. On systems that have an emulated proc filesystem this function returns the
version of the Linux emulation instead.
The Linux version consists of a triple of positive integers representing the major, minor and patch versions of the kernel.
returns the current Linux version as an integer. On non-Linux systems that
have an emulated proc filesystem this function returns the version of the
Linux emulation instead.
The Linux version consists of a triple of positive integers representing
the major, minor and patch versions of the kernel.
.PP
The library provides 3 macros for separating out the components.
.RS 4
.TP 1.2i
@ -39,15 +56,10 @@ version, use the following macro:
.BI LINUX_VERSION( major , minor , patch )
.SH RETURN VALUE
On success,
The
.BR procps_linux_version ()
return a positive integer which is the encoded Linux kernel version;
on error, it returns a negative integer.
.SH ERRORS
On error,
.BR procps_linux_version ()
may return the following values as errors:
returns a positive integer encoding the Linux version if successful. Otherwise
returns a negative integer to one of the values defined below.
.TP
.B -EIO
The procps library was unable to read the osrelease file.
@ -56,7 +68,16 @@ The procps library was unable to read the osrelease file.
Unable to parse the osrelease file.
.PP
.BR procps_linux_version ()
may also return any (negated) value that \fBfopen\fR() may return.
may also return any (negated) value that \fBfopen\fR() may set errno to.
.SH FILES
.TP
.I /proc/sys/kernel/osrelease
Contains the release version of the Linux kernel or proc filesystem.
.SH VERSIONS
.B procps_linux_version()
first appeared in libproc-2 version 0.0.
.SH SEE ALSO
.BR fopen (3),