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author | Miles Bader <miles@gnu.org> | 1995-07-30 00:37:36 +0000 |
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committer | Miles Bader <miles@gnu.org> | 1995-07-30 00:37:36 +0000 |
commit | ad738d03aeee1a5d780a1875b02f2a7c0afa8291 (patch) | |
tree | ebcd74760d0ef05c94ff3142391452d95f623d25 /sysdeps/mach/hurd/recvfrom.c | |
parent | 221c50840f70dcc54dd66494c7d8b4c785e9f180 (diff) | |
download | glibc-ad738d03aeee1a5d780a1875b02f2a7c0afa8291.tar.gz glibc-ad738d03aeee1a5d780a1875b02f2a7c0afa8291.tar.xz glibc-ad738d03aeee1a5d780a1875b02f2a7c0afa8291.zip |
(accept): If the protocol family can't tell us what an address means, just return a zero-length buffer instead.
Diffstat (limited to 'sysdeps/mach/hurd/recvfrom.c')
-rw-r--r-- | sysdeps/mach/hurd/recvfrom.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/recvfrom.c b/sysdeps/mach/hurd/recvfrom.c index 09d45c7cc8..4a69af41ce 100644 --- a/sysdeps/mach/hurd/recvfrom.c +++ b/sysdeps/mach/hurd/recvfrom.c @@ -56,6 +56,14 @@ DEFUN(recvfrom, (fd, buf, n, flags, addr, addr_len), int type; err = __socket_whatis_address (addrport, &type, &buf, &buflen); + if (err == EOPNOTSUPP) + /* If the protocol server can't tell us the address, just return a + zero-length one. */ + { + buf = (char *)addr; + buflen = 0; + err = 0; + } __mach_port_deallocate (__mach_task_self (), addrport); if (err) return __hurd_dfail (fd, err); @@ -68,7 +76,8 @@ DEFUN(recvfrom, (fd, buf, n, flags, addr, addr_len), __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); } - addr->sa_family = type; + if (buflen > 0) + addr->sa_family = type; } /* Toss control data; we don't care. */ |