NetBSD/dist/ntp/libopts/version.c

181 lines
5.4 KiB
C

/* $NetBSD: version.c,v 1.2 2007/06/24 16:55:13 kardel Exp $ */
/* Id: version.c,v 4.10 2007/04/28 22:19:23 bkorb Exp
* Time-stamp: "2007-04-28 10:08:34 bkorb"
*
* This module implements the default usage procedure for
* Automated Options. It may be overridden, of course.
*/
static char const zAOV[] =
"Automated Options version %s, copyright (c) 1999-2007 Bruce Korb\n";
/* Automated Options is free software.
* You may redistribute it and/or modify it under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2, or (at your option) any later version.
*
* Automated Options 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Automated Options. See the file "COPYING". If not,
* write to: The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* As a special exception, Bruce Korb gives permission for additional
* uses of the text contained in his release of AutoOpts.
*
* The exception is that, if you link the AutoOpts library with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the AutoOpts library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by Bruce Korb under
* the name AutoOpts. If you copy code from other sources under the
* General Public License into a copy of AutoOpts, as the General Public
* License permits, the exception does not apply to the code that you add
* in this way. To avoid misleading anyone as to the status of such
* modified files, you must delete this exception notice from them.
*
* If you write modifications of your own for AutoOpts, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
/* = = = START-STATIC-FORWARD = = = */
/* static forward declarations maintained by :mkfwd */
static void
printVersion( tOptions* pOpts, tOptDesc* pOD, FILE* fp );
/* = = = END-STATIC-FORWARD = = = */
/*=export_func optionVersion
*
* what: return the compiled AutoOpts version number
* ret_type: char const*
* ret_desc: the version string in constant memory
* doc:
* Returns the full version string compiled into the library.
* The returned string cannot be modified.
=*/
char const*
optionVersion( void )
{
static char const zVersion[] =
STR( AO_CURRENT.AO_REVISION );
return zVersion;
}
static void
printVersion( tOptions* pOpts, tOptDesc* pOD, FILE* fp )
{
char swCh;
/*
* IF the optional argument flag is off, or the argument is not provided,
* then just print the version.
*/
if ( ((pOD->fOptState & OPTST_ARG_OPTIONAL) == 0)
|| (pOD->optArg.argString == NULL))
swCh = 'v';
else swCh = tolower((int)pOD->optArg.argString[0]);
if (pOpts->pzFullVersion != NULL) {
fputs( pOpts->pzFullVersion, fp );
fputc( '\n', fp );
} else {
char const *pz = pOpts->pzUsageTitle;
do { fputc(*pz, fp); } while (*(pz++) != '\n');
}
switch (swCh) {
case NUL: /* arg provided, but empty */
case 'v':
break;
case 'c':
if (pOpts->pzCopyright != NULL) {
fputs( pOpts->pzCopyright, fp );
fputc( '\n', fp );
}
fprintf( fp, zAOV, optionVersion() );
if (pOpts->pzBugAddr != NULL)
fprintf( fp, zPlsSendBugs, pOpts->pzBugAddr );
break;
case 'n':
if (pOpts->pzCopyright != NULL) {
fputs( pOpts->pzCopyright, fp );
fputc( '\n', fp );
fputc( '\n', fp );
}
if (pOpts->pzCopyNotice != NULL) {
fputs( pOpts->pzCopyNotice, fp );
fputc( '\n', fp );
}
fprintf( fp, zAOV, optionVersion() );
if (pOpts->pzBugAddr != NULL)
fprintf( fp, zPlsSendBugs, pOpts->pzBugAddr );
break;
default:
fprintf( stderr, zBadVerArg, swCh );
exit( EXIT_FAILURE );
}
exit( EXIT_SUCCESS );
}
/*=export_func optionPrintVersion
* private:
*
* what: Print the program version
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* This routine will print the version to stdout.
=*/
void
optionPrintVersion( tOptions* pOpts, tOptDesc* pOD )
{
printVersion( pOpts, pOD, stdout );
}
/*=export_func optionVersionStderr
* private:
*
* what: Print the program version to stderr
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* This routine will print the version to stderr.
=*/
void
optionVersionStderr( tOptions* pOpts, tOptDesc* pOD )
{
printVersion( pOpts, pOD, stderr );
}
/*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of autoopts/version.c */