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(-)expr.y (-4 / +2 lines)
Lines 422-432 Link Here
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void
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void
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assert_minus(intmax_t a, intmax_t b, intmax_t r)
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assert_minus(intmax_t a, intmax_t b, intmax_t r)
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{
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{
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	/* special case subtraction of INTMAX_MIN */
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	if ((a >= 0 && b < 0 && r <= 0) ||
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	if (b == INTMAX_MIN && a < 0)
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	    (a < 0 && b > 0 && r >= 0))
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		errx(ERR_EXIT, "overflow");
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		errx(ERR_EXIT, "overflow");
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	/* check addition of negative subtrahend */
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	assert_plus(a, -b, r);
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}
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}
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          432
          
struct val *

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struct val *

        






  

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