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LibC: Make div() and ldiv() behave according to the C standard

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This commit is contained in:
Andreas Kling 2019-09-27 10:03:26 +02:00
parent b009f8522c
commit 0b59c0d0dc
1 changed files with 10 additions and 0 deletions
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10
Libraries/LibC/stdlib.cpp
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@ -348,6 +348,11 @@ div_t div(int numerator, int denominator)
div_t result; div_t result;
result.quot = numerator / denominator; result.quot = numerator / denominator;
result.rem = numerator % denominator; result.rem = numerator % denominator;
if (numerator >= 0 && result.rem < 0) {
result.quot++;
result.rem -= denominator;
}
return result; return result;
} }
@ -356,6 +361,11 @@ ldiv_t ldiv(long numerator, long denominator)
ldiv_t result; ldiv_t result;
result.quot = numerator / denominator; result.quot = numerator / denominator;
result.rem = numerator % denominator; result.rem = numerator % denominator;
if (numerator >= 0 && result.rem < 0) {
result.quot++;
result.rem -= denominator;
}
return result; return result;
} }