harec

commit f947fc1eb5ba24ad77b5a60c946e247fa72733cf
parent 0d514bbdaf782b79e4cae239baba336aacd35876
Author: Bor Grošelj Simić <bgs@turminal.net>
Date:   Tue, 28 Feb 2023 16:55:00 +0100

prevent negation of INTMAX_MIN

-INTMAX_MIN is UB, but -(uintmax_t)INTMAX_MIN isn't

Signed-off-by: Bor Grošelj Simić <bgs@turminal.net>

Diffstat:
M
src/eval.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/eval.c b/src/eval.c
@@ -998,7 +998,7 @@ eval_unarithm(struct context *ctx, struct expression *in, struct expression *out
 		if (type_is_float(out->result)) {
 			out->constant.fval = -lvalue.constant.fval;
 		} else {
-			out->constant.ival = -lvalue.constant.ival;
+			out->constant.ival = -(uintmax_t)lvalue.constant.ival;
 		}
 		break;
 	case UN_PLUS: