Files
harbour-core/harbour/source/rtl/ampm.c
2000-03-21 14:12:00 +00:00

81 lines
2.3 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* AMPM() compatibility function from the SAMPLES directory of Clipper.
*
* Copyright 1999 Victor Szakats <info@szelvesz.hu>
* www - http://www.harbour-project.org
*
* This program is free software; you can 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 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) 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 HRL
* and/or HVM code into it.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "hbapi.h"
HB_FUNC( AMPM )
{
char * pszTime = hb_parc( 1 );
ULONG ulTimeLen = hb_parclen( 1 );
char * pszResult = ( char * ) hb_xgrab( HB_MAX( ulTimeLen, 2 ) + 3 + 1 );
USHORT uiHour = ( USHORT ) hb_strVal( pszTime );
BOOL bAM;
memset( pszResult, '\0', 3 );
memcpy( pszResult, pszTime, ulTimeLen );
if( uiHour == 0 || uiHour == 24 )
{
if( ulTimeLen < 2 )
ulTimeLen = 2;
pszResult[ 0 ] = '1';
pszResult[ 1 ] = '2';
bAM = TRUE;
}
else if( uiHour > 12 )
{
if( ulTimeLen < 2 )
ulTimeLen = 2;
uiHour -= 12;
pszResult[ 0 ] = ( char ) ( uiHour / 10 ) + '0';
pszResult[ 1 ] = ( char ) ( uiHour % 10 ) + '0';
if( pszResult[ 0 ] == '0' )
pszResult[ 0 ] = ' ';
bAM = FALSE;
}
else
bAM = ( uiHour != 12 );
strcpy( pszResult + ulTimeLen, bAM ? " am" : " pm" );
hb_retclen( pszResult, ulTimeLen + 3 );
hb_xfree( pszResult );
}