* 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/trunk@9432 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ocean 2005-10-21 06:28:41 +00:00
parent 9857cc6036
commit ee2434851b
2 changed files with 12 additions and 4 deletions

View File

@ -1,3 +1,11 @@
Fri Oct 21 15:23:23 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 22:22:49 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parser.y (struct parser_params): parser never modify input string.

View File

@ -43,7 +43,7 @@ bignew_1(VALUE klass, long len, int 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);
@ -693,7 +693,7 @@ rb_big_to_s(int argc, VALUE *argv, VALUE x)
}
static unsigned long
big2ulong(VALUE x, char *type, int check)
big2ulong(VALUE x, const char *type, int check)
{
long len = RBIGNUM(x)->len;
BDIGIT_DBL num;
@ -752,7 +752,7 @@ rb_big2long(VALUE x)
#if HAVE_LONG_LONG
static unsigned LONG_LONG
big2ull(VALUE x, char *type)
big2ull(VALUE x, const char *type)
{
long len = RBIGNUM(x)->len;
BDIGIT_DBL num;
@ -1040,7 +1040,7 @@ bigsub(VALUE x, VALUE 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++) {