diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-15 10:57:55 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-15 10:57:55 +0000 |
commit | 870df461dd3008dd56c0147ddc2fd84688cdd9cb (patch) | |
tree | 36b1720c7070d58a40350be1637ffe73c7c243b2 | |
parent | 11b262e44ccde7a85c5dc8011356256e22a3f4ff (diff) |
merge revision(s) 15575:
* bignum.c (BIGZEROP): fix for longer Bignum zeros. [ruby-Bugs-17454]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | bignum.c | 16 | ||||
-rw-r--r-- | version.h | 2 |
3 files changed, 20 insertions, 2 deletions
@@ -1,3 +1,7 @@ +Sun Jun 15 19:56:53 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * bignum.c (BIGZEROP): fix for longer Bignum zeros. [ruby-Bugs-17454] + Sun Jun 15 19:54:21 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> * bignum.c (big2str_find_n1): check integer overflow. @@ -36,7 +36,21 @@ VALUE rb_cBignum; #define BIGLO(x) ((BDIGIT)((x) & (BIGRAD-1))) #define BDIGMAX ((BDIGIT)-1) -#define BIGZEROP(x) (RBIGNUM(x)->len == 0 || (RBIGNUM(x)->len == 1 && BDIGITS(x)[0] == 0)) +#define BIGZEROP(x) (RBIGNUM(x)->len == 0 || \ + (BDIGITS(x)[0] == 0 && \ + (RBIGNUM(x)->len == 1 || bigzero_p(x)))) + +static int bigzero_p(VALUE); +static int +bigzero_p(x) + VALUE x; +{ + long i; + for (i = 0; i < RBIGNUM(x)->len; ++i) { + if (BDIGITS(x)[i]) return 0; + } + return 1; +} static VALUE bignew_1(klass, len, sign) @@ -2,7 +2,7 @@ #define RUBY_RELEASE_DATE "2008-06-15" #define RUBY_VERSION_CODE 186 #define RUBY_RELEASE_CODE 20080615 -#define RUBY_PATCHLEVEL 184 +#define RUBY_PATCHLEVEL 185 #define RUBY_VERSION_MAJOR 1 #define RUBY_VERSION_MINOR 8 |