diff options
Diffstat (limited to 'sprintf.c')
-rw-r--r-- | sprintf.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -475,6 +475,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt) int tainted = 0; VALUE nextvalue; VALUE tmp; + VALUE orig; VALUE str; volatile VALUE hash = Qundef; @@ -498,7 +499,8 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt) if (OBJ_TAINTED(fmt)) tainted = 1; StringValue(fmt); enc = rb_enc_get(fmt); - fmt = rb_str_new4(fmt); + orig = fmt; + fmt = rb_str_tmp_frozen_acquire(fmt); p = RSTRING_PTR(fmt); end = p + RSTRING_LEN(fmt); blen = 0; @@ -1196,7 +1198,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt) } sprint_exit: - RB_GC_GUARD(fmt); + rb_str_tmp_frozen_release(orig, fmt); /* XXX - We cannot validate the number of arguments if (digit)$ style used. */ if (posarg >= 0 && nextarg < argc) { |