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dnsd: properly set _src_ IP:port on outgoing UDP packets

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function                                             old     new   delta
send_to_from                                           -     258    +258
dnsd_main                                           1500    1568     +68
interrupt                                             17      19      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 328/0)             Total: 328 bytes
   text    data     bss     dec     hex filename
 797101     658    7428  805187   c4943 busybox_old
 797429     658    7428  805515   c4a8b busybox_unstripped
This commit is contained in:
Denis Vlasenko
2008-03-17 09:02:21 +00:00
parent 68404f13d4
commit 081eb71ebd
3 changed files with 65 additions and 63 deletions
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5
libbb/udp_io.c
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@ -25,10 +25,10 @@ socket_want_pktinfo(int fd)
}
#ifdef UNUSED
ssize_t
send_to_from(int fd, void *buf, size_t len, int flags,
const struct sockaddr *from, const struct sockaddr *to,
const struct sockaddr *to,
const struct sockaddr *from,
socklen_t tolen)
{
#ifndef IP_PKTINFO
@ -92,7 +92,6 @@ send_to_from(int fd, void *buf, size_t len, int flags,
return sendmsg(fd, &msg, flags);
#endif
}
#endif /* UNUSED */
/* NB: this will never set port# in 'to'!
* _Only_ IP/IPv6 address part of 'to' is _maybe_ modified.