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[ruby/bigdecimal] Avoid casting negative value to size_t

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https://github.com/ruby/bigdecimal/f047b2786f
This commit is contained in:
Kenta Murata 2021-01-10 08:31:20 +09:00
parent 72d504c1fd
commit 8b53cbaf5e
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1 changed files with 3 additions and 2 deletions
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5
ext/bigdecimal/bigdecimal.c
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@ -205,17 +205,18 @@ static VALUE rb_rational_convert_to_BigDecimal(VALUE val, size_t digs, int raise
static Real*
GetVpValueWithPrec(VALUE v, long prec, int must)
{
const size_t digs = prec < 0 ? SIZE_MAX : (long)prec;
Real *pv;
switch(TYPE(v)) {
case T_FLOAT: {
VALUE obj = rb_float_convert_to_BigDecimal(v, prec, must);
VALUE obj = rb_float_convert_to_BigDecimal(v, digs, must);
TypedData_Get_Struct(obj, Real, &BigDecimal_data_type, pv);
return pv;
}
case T_RATIONAL: {
VALUE obj = rb_rational_convert_to_BigDecimal(v, prec, must);
VALUE obj = rb_rational_convert_to_BigDecimal(v, digs, must);
TypedData_Get_Struct(obj, Real, &BigDecimal_data_type, pv);
return pv;
}