diff options
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -3053,7 +3053,8 @@ static int io_setstrbuf(VALUE *str, long len) { #ifdef _WIN32 - len = (len + 1) & ~1L; /* round up for wide char */ + if (len > 0) + len = (len + 1) & ~1L; /* round up for wide char */ #endif if (NIL_P(*str)) { *str = rb_str_new(0, len); |