libbb: new option FEATURE_ETC_SERVICES: if off, /etc/services reads often avoided
In practice, "wget http://host.com/" always uses port 80.
People explicitly set non-standard ports via options or parameters
("telnet 1.2.3.4 567" or "telnet 1.2.3.4 ftp") instead of modifying
/etc/services.
function old new delta
telnet_main 1466 1464 -2
rdate_main 215 198 -17
fakeidentd_main 269 252 -17
parse_url 459 392 -67
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(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-103) Total: -103 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c
index 133d62a..0c33dde 100644
--- a/networking/isrv_identd.c
+++ b/networking/isrv_identd.c
@@ -159,7 +159,7 @@
fd = 0;
if (!(opt & OPT_inetdwait)) {
fd = create_and_bind_stream_or_die(bind_address,
- bb_lookup_port("identd", "tcp", 113));
+ bb_lookup_std_port("identd", "tcp", 113));
xlisten(fd, 5);
}