Make xopen() skip stdin/stdout/stderr, add xopen_stdio() if you want stdout,

add xopenro() that takes one argument and understands "-" means stdin,
and switch over lots of users.

1 files changed, 1 insertions, 1 deletions

diff --git a/toys/net/rfkill.c b/toys/net/rfkill.c
index 36fe320d..56e57687 100644
--- a/toys/net/rfkill.c
+++ b/toys/net/rfkill.c
@@ -80,7 +80,7 @@ void rfkill_main(void)
         continue;
 
       sprintf(toybuf, "/sys/class/rfkill/rfkill%u/uevent", rfevent.idx);
-      tvar = xopen(toybuf, O_RDONLY);
+      tvar = xopenro(toybuf);
       while ((line = get_line(tvar))) {
         char *s = line;