50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*
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* $Id$
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*/
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#include <extend.h>
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#include <set.h>
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/* Check whether two strings are equal (0), smaller (-1), or greater (1) */
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int hb_itemStrCmp( PITEM pFirst, PITEM pSecond, BOOL bForceExact )
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{
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char *szFirst = pFirst->value.szText;
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char *szSecond = pSecond->value.szText;
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long lLenFirst = pFirst->wLength; /* TODO: change ITEM.wLength from WORD to long */
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long lLenSecond = pSecond->wLength; /* TODO: change ITEM.wLength from WORD to long */
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long lMinLen = lLenFirst < lLenSecond ? lLenFirst : lLenSecond;
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long lCounter;
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int iRet = 0; /* Current status */
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if( lMinLen ) /* One of the strings is empty */
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{
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for( lCounter = 0; lCounter < lMinLen && !iRet; lCounter++ )
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{
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if( *szFirst != *szSecond ) /* Difference found */
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iRet = (*szFirst < *szSecond) ? -1 : 1;
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else /* TODO : #define some constants*/
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{
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szFirst++;
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szSecond++;
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}
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}
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/* printf ("\nhb_itemStrCmp: iRet = %d, lCounter = %ld, lLenFirst = %ld, lLenSecond = %ld", iRet, lCounter, lLenFirst, lLenSecond); */
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if( hb_set.HB_SET_EXACT || bForceExact || lLenSecond > lCounter )
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{ /* Force an exact comparison */
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if( !iRet && lLenFirst != lLenSecond )
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/* If length is different ! */
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iRet = (lLenFirst < lLenSecond) ? -1 : 1;
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}
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/* printf ("\n; hb_set.HB_SET_EXACT = %d, bForceExact = %d, iRet = %d.\n", hb_set.HB_SET_EXACT, bForceExact, iRet); */
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}
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else
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{
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if( lLenFirst != lLenSecond ) /* Both empty ? */
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iRet = (lLenFirst < lLenSecond) ? -1 : 1;
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else
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iRet = 0; /* Both empty => Equal ! */
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}
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return(iRet);
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}
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