io.c: favor comparisons against zero rather than -1
On my 32-bit x86 userspace, I get the following .text savings:
text data bss dec hex filename
152971 56 252 153279 256bf io.o.before 152863 56 252 153171 25653 io.o.after
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66096 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: favor comparisons against zero rather than -1
On my 32-bit x86 userspace, I get the following .text savings:
152971 56 252 153279 256bf io.o.before
152863 56 252 153171 25653 io.o.after
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66096 b2dd03c8-39d4-4d8f-98ff-823fe69b080e