19 lines
		
	
	
	
		
			338 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			338 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Author: Hans van Eck */
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| 
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| #include	<em_abs.h>
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| 
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| extern trp();
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| 
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| struct array_descr	{
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| 		int		lbound;
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| 		unsigned	n_elts_min_one;
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| 		unsigned	size;		/* doesn't really matter */
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| 	    };
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| 
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| _rcka(descr, index)
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| struct array_descr *descr;
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| {
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| 	if( index < descr->lbound ||
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| 	    index > (int) descr->n_elts_min_one + descr->lbound )
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| 		_trp(ERANGE);
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| }
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