tftpd: make open() check r/w permissions instead of doing it ourself.

Add -r "prohibit upload" opt for those lazy people who run tftpd as root.
-40 bytes.

1 files changed, 4 insertions, 2 deletions

diff --git a/include/usage.h b/include/usage.h
index 1fa40ce98..7fe9ad063 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3977,9 +3977,11 @@
         )
 
 #define tftpd_trivial_usage \
-       "[DIR]"
+       "[-r] [DIR]"
 #define tftpd_full_usage \
-       "Transfer a file on request from a tftp client" \
+       "Transfer a file on request from a tftp client.\n" \
+     "\nOptions:" \
+     "\n        -r      Prohibit upload" \
 
 #define time_trivial_usage \
        "[OPTION]... COMMAND [ARGS...]"