sprintf.c: coderange fix

* sprintf.c (ruby__sfvwrite): set buffer length and exclude
  uninitialized garbage to get correct coderange.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/sprintf.c b/sprintf.c
index b41ab9cb39..3642e2153a 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -1174,6 +1174,7 @@ ruby__sfvwrite(register rb_printf_buffer *fp, register struct __suio *uio)
 	len -= n;
     }
     fp->_p = (unsigned char *)buf;
+    rb_str_set_len(result, buf - RSTRING_PTR(result));
     return 0;
 }