diff options
author | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-10-21 06:28:41 +0000 |
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committer | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-10-21 06:28:41 +0000 |
commit | 05571e54db6afe5c1bee728d740ced58e5297921 (patch) | |
tree | 7bfa8884513b452aa59cb755702d9c9206f5ca4f | |
parent | e4a7a42fd54b54852891e45af04ce3653cc1c0a3 (diff) |
* bignum.c (bignew_1): convertion from `int' to `char' discards
upper bits, (ie. (char)0xff00 -> 0) so it's better to test if
nonzero and set 0 or 1 instead of simply casting ... as a flag usage.
(but I believe this won't cause actual bug in current implementation)
[ruby-dev:27055]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 8 | ||||
-rw-r--r-- | bignum.c | 4 |
2 files changed, 10 insertions, 2 deletions
@@ -1,3 +1,11 @@ +Fri Oct 21 15:27:17 2005 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp> + + * bignum.c (bignew_1): convertion from `int' to `char' discards + upper bits, (ie. (char)0xff00 -> 0) so it's better to test if + nonzero and set 0 or 1 instead of simply casting ... as a flag usage. + (but I believe this won't cause actual bug in current implementation) + [ruby-dev:27055] + Thu Oct 20 09:37:15 2005 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp> * lib/mkmf.rb (create_makefile): Borland make seems not to allow @@ -46,7 +46,7 @@ bignew_1(klass, len, sign) { NEWOBJ(big, struct RBignum); OBJSETUP(big, klass, T_BIGNUM); - big->sign = (char)sign; + big->sign = sign?1:0; big->len = len; big->digits = ALLOC_N(BDIGIT, len); @@ -1088,7 +1088,7 @@ bigsub(x, y) } } - z = bignew(RBIGNUM(x)->len, (z == 0)?1:0); + z = bignew(RBIGNUM(x)->len, z==0); zds = BDIGITS(z); for (i = 0, num = 0; i < RBIGNUM(y)->len; i++) { |