diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | hash.c | 11 |
2 files changed, 15 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Sun Jun 9 00:59:04 2013 Tanaka Akira <akr@fsij.org> + + * hash.c (rb_hash): Use rb_integer_pack to obtain least significant + long integer. + Sat Jun 8 23:56:00 2013 Tanaka Akira <akr@fsij.org> * numeric.c (rb_num_to_uint): Use rb_absint_size instead of @@ -89,7 +89,16 @@ rb_hash(VALUE obj) return hval; case T_BIGNUM: - return LONG2FIX(((long*)(RBIGNUM_DIGITS(hval)))[0]); + { + int sign; + unsigned long ul; + rb_integer_pack(hval, &sign, NULL, &ul, 1, sizeof(ul), 0, + INTEGER_PACK_LSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER); + ul &= (1UL << (sizeof(long)*CHAR_BIT-1)) - 1; + if (sign < 0) + return LONG2FIX(-(long)ul); + return LONG2FIX((long)ul); + } default: hval = rb_to_int(hval); |