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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-23 09:48:54 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-23 09:48:54 +0000 |
| commit | ff7a293dbd10cb8d17847a61c348b17fea0ba001 (patch) | |
| tree | 22dc6b9959cd9e405f0aeb230ecb1df9cd1d8a90 /ext | |
| parent | 3afe82becf948b9b076ac513f3b3cb3524f73886 (diff) | |
| download | ruby-ff7a293dbd10cb8d17847a61c348b17fea0ba001.tar.gz ruby-ff7a293dbd10cb8d17847a61c348b17fea0ba001.tar.xz ruby-ff7a293dbd10cb8d17847a61c348b17fea0ba001.zip | |
* ext/dl/cptr.c (rb_dlptr_cmp): return signed value, and restrict
to Fixnum. [ruby-dev:38533]
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@23549 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/dl/cptr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ext/dl/cptr.c b/ext/dl/cptr.c index d2fa07771..b7c27e9f9 100644 --- a/ext/dl/cptr.c +++ b/ext/dl/cptr.c @@ -318,9 +318,12 @@ VALUE rb_dlptr_cmp(VALUE self, VALUE other) { void *ptr1, *ptr2; + SIGNED_VALUE diff; ptr1 = rb_dlptr2cptr(self); ptr2 = rb_dlptr2cptr(other); - return PTR2NUM((long)ptr1 - (long)ptr2); + diff = (SIGNED_VALUE)ptr1 - (SIGNED_VALUE)ptr2; + if (!diff) return INT2FIX(0); + return diff > 0 ? INT2NUM(1) : INT2NUM(-1); } VALUE |