diff options
Diffstat (limited to 'sprintf.c')
-rw-r--r-- | sprintf.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -660,7 +660,8 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt) str = rb_obj_as_string(arg); if (OBJ_TAINTED(str)) tainted = 1; len = RSTRING_LEN(str); - enc = rb_enc_check(rb_str_substr(result, 0, blen), str); + rb_str_set_len(result, blen); + enc = rb_enc_check(result, str); if (flags&(FPREC|FWIDTH)) { slen = rb_enc_strlen(RSTRING_PTR(str),RSTRING_END(str),enc); if (slen < 0) { |