diff options
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -5971,13 +5971,15 @@ rb_io_initialize(int argc, VALUE *argv, VALUE io) fd = NUM2INT(fnum); if (fstat(fd, &st) == -1) rb_sys_fail(0); UPDATE_MAXFD(fd); - if (NIL_P(vmode)) { #if defined(HAVE_FCNTL) && defined(F_GETFL) + if (NIL_P(vmode)) { oflags = fcntl(fd, F_GETFL); if (oflags == -1) rb_sys_fail(0); fmode = rb_io_oflags_fmode(oflags); -#endif } +#elif defined(_WIN32) + if (rb_w32_is_valid_fd(fd)) rb_sys_fail(0); +#endif MakeOpenFile(io, fp); fp->fd = fd; fp->mode = fmode; |