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vm: fix bignum_to_fixnum_strict for BIGNUM_ZERO.

db4
John Benediktsson 2014-06-08 16:05:36 -07:00
parent 849d8325ea
commit ad7ee60341
1 changed files with 2 additions and 0 deletions
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2
vm/bignum.cpp
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@ -385,6 +385,8 @@ BIGNUM_TO_FOO(ulong_long, uint64_t, int64_t, uint64_t)
/* cannot allocate memory */
fixnum factor_vm::bignum_to_fixnum_strict(bignum* bignum_in) {
if (BIGNUM_ZERO_P(bignum_in))
return 0;
fixnum len = BIGNUM_LENGTH(bignum_in);
bignum_digit_type *digits = BIGNUM_START_PTR(bignum_in);
if ((len == 1 && digits[0] > fixnum_max) || (len > 1)) {