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msg_230.c revision 1.2 
      1  1.2  rillig /*	$NetBSD: msg_230.c,v 1.2 2021/01/03 15:35:01 rillig Exp $	*/
      2  1.1  rillig # 3 "msg_230.c"
      3  1.1  rillig 
      4  1.1  rillig // Test for message: nonportable character comparison, op %s [230]
      5  1.1  rillig 
      6  1.2  rillig /* lint1-flags: -S -g -p -w */
      7  1.2  rillig 
      8  1.2  rillig void example(char c, unsigned char uc, signed char sc)
      9  1.2  rillig {
     10  1.2  rillig 	if (c < 0)
     11  1.2  rillig 		if (uc < 0)
     12  1.2  rillig 			if (sc < 0)
     13  1.2  rillig 				return;
     14  1.2  rillig 
     15  1.2  rillig 	/*
     16  1.2  rillig 	 * XXX: The comparison "<= -1" looks very similar to "< 0",
     17  1.2  rillig 	 * nevertheless "< 0" does not generate a warning.
     18  1.2  rillig 	 *
     19  1.2  rillig 	 * The comparisons may actually differ subtly because of the usual
     20  1.2  rillig 	 * arithmetic promotions.
     21  1.2  rillig 	 * */
     22  1.2  rillig 	if (c <= -1)
     23  1.2  rillig 		if (uc <= -1)
     24  1.2  rillig 			if (sc <= -1)
     25  1.2  rillig 				return;
     26  1.2  rillig }
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