diff options
| author | Ludovic Courtès <ludo@gnu.org> | 2016-03-25 17:24:47 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-03-25 17:24:47 +0100 |
| commit | 001dae0d7431719655f525a94dc900cc078cca99 (patch) | |
| tree | f661946879cafc1df0d4ee8b84eb64501f6c2030 | |
| parent | a2da8c173a022bd90168c0fe90b2c59ce76d24f8 (diff) | |
syscalls: <interface> printer correctly handles lack of sockaddr.
Reported by Danny Milosavljevic <dannym@scratchpost.org>
in <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22612#16>.
* guix/build/syscalls.scm (write-interface): Check whether ADDRESS is
true.
| -rw-r--r-- | guix/build/syscalls.scm | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index ea68b22bb7..69a507def8 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -767,10 +767,14 @@ the same type as that returned by 'make-socket-address'." (format port "#<interface ~s " name) (unless (zero? (logand IFF_UP flags)) (display "up " port)) - (if (member (sockaddr:fam address) (list AF_INET AF_INET6)) - (format port "~a " (inet-ntop (sockaddr:fam address) - (sockaddr:addr address))) - (format port "family:~a " (sockaddr:fam address))) + + ;; Check whether ADDRESS really is a sockaddr. + (when address + (if (member (sockaddr:fam address) (list AF_INET AF_INET6)) + (format port "~a " (inet-ntop (sockaddr:fam address) + (sockaddr:addr address))) + (format port "family:~a " (sockaddr:fam address)))) + (format port "~a>" (number->string (object-address interface) 16))))) (set-record-type-printer! <interface> write-interface) |