66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* $Id$
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*/
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#include <extend.h>
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#include <itemapi.h>
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#include <ctype.h>
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#include <init.h>
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extern STACK stack;
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HARBOUR HB_DESCEND(void);
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HB_INIT_SYMBOLS_BEGIN( Descend__InitSymbols )
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{ "DESCEND", FS_PUBLIC, HB_DESCEND, 0 }
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HB_INIT_SYMBOLS_END( Descend__InitSymbols );
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#pragma Descend__InitSymbols
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char *hb_strdescend( char *string )
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{
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char *s;
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if( string )
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{
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for( s = string; *s; ++s )
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*s = 256 - *s;
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}
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return string;
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}
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HARBOUR HB_DESCEND( void )
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{
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if( hb_pcount() == 1 )
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{
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PHB_ITEM pItem = hb_param(1, IT_ANY );
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if( pItem )
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{
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if( IS_STRING( pItem ) )
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hb_retc( hb_strdescend( pItem->item.asString.value ) );
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else if( IS_DATE( pItem ) )
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hb_retnl( 5231808 - pItem->item.asDate.value );
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else if( IS_INTEGER( pItem ) )
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hb_retni( -1 * pItem->item.asInteger.value );
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else if( IS_LONG( pItem ) )
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hb_retnl( -1 * pItem->item.asLong.value );
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else if( IS_DOUBLE( pItem ) )
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{
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PHB_ITEM pReturn;
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pReturn = hb_itemPutND( NULL, -1 * pItem->item.asDouble.value );
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hb_itemReturn( pReturn );
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hb_itemRelease( pReturn );
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/* It is dengerous to operate on the stack directly
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stack.Return.wDec = pItem->wDec;
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*/
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}
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else if( IS_LOGICAL( pItem ) )
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hb_retl( !pItem->item.asLogical.value );
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else
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hb_retc( "NIL" );
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}
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}
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}
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