1.\" Copyright (c) 2011,2012 Joseph Koshy. All rights reserved. 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" This software is provided by Joseph Koshy ``as is'' and 13.\" any express or implied warranties, including, but not limited to, the 14.\" implied warranties of merchantability and fitness for a particular purpose 15.\" are disclaimed. in no event shall Joseph Koshy be liable 16.\" for any direct, indirect, incidental, special, exemplary, or consequential 17.\" damages (including, but not limited to, procurement of substitute goods 18.\" or services; loss of use, data, or profits; or business interruption) 19.\" however caused and on any theory of liability, whether in contract, strict 20.\" liability, or tort (including negligence or otherwise) arising in any way 21.\" out of the use of this software, even if advised of the possibility of 22.\" such damage. 23.\" 24.\" $Id: elftc_version.3 3645 2018-10-15 20:17:14Z jkoshy $ 25.\" 26.Dd December 30, 2012 27.Dt ELFTC_VERSION 3 28.Os 29.Sh NAME 30.Nm elftc_version 31.Nd return a project-wide version identifier string 32.Sh LIBRARY 33.Lb libelftc 34.Sh SYNOPSIS 35.In libelftc.h 36.Ft const char * 37.Fn elftc_version void 38.Sh DESCRIPTION 39Function 40.Fn elftc_version 41returns a project-wide identifier string that encodes the source 42revision of the project source tree. 43.Pp 44The returned identifier has four space-separated fields: 45.Bl -tag -width ".Em Project Branch" 46.It Em "Project-Name" 47This is always 48.Dq elftoolchain . 49.It Em "Project-Branch" 50The branch name for the project source tree. 51.It Em "Build-OS" 52The operating system that the tool chain was compiled for. 53.It Em "Version-Number" 54A tree-wide version number extracted from the version control 55system in use. 56.El 57.Sh RETURN VALUES 58Function 59.Fn elftc_program_version 60returns a pointer to an internal character buffer. 61.Sh EXAMPLES 62To retrieve and print the current toolchain version identifier, use: 63.Bd -literal -offset indent 64#include <sys/types.h> 65#include <libelftc.h> 66 67(void) printf("%s\en", elftc_version()); 68.Ed 69.Pp 70On the HEAD branch of the project's sources, when checked out using 71Subversion and compiled on a 72.Nx 73host, this would print: 74.D1 Dq elftoolchain HEAD NetBSD svn: Ns Em REVINFO 75where 76.Em REVINFO 77would be the current revision information for the project source tree. 78.Sh ERRORS 79Function 80.Fn elftc_program_version 81always succeeds. 82