*: don't use getservbyname, it links in a static buffer

function                                             old     new   delta
bb_get_servport_by_name                                -     348    +348
bb_lookup_port                                        83     111     +28
reread_config_file                                   886     907     +21
static.se                                             16       -     -16
getservbyname                                         53       -     -53
getservbyname_r                                      284       -    -284
------------------------------------------------------------------------------
(add/remove: 2/5 grow/shrink: 2/0 up/down: 397/-353)           Total: 44 bytes
   text	   data	    bss	    dec	    hex	filename
1080084	    555	   5024	1085663	 1090df	busybox_old
1080144	    555	   4992	1085691	 1090fb	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/libbb.h b/include/libbb.h
index e282066b8..0fee62929 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -911,9 +911,11 @@ char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa) FAST_FUNC RETU
 /* inet_[ap]ton on steroids */
 char* xmalloc_sockaddr2dotted(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
 char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa) FAST_FUNC RETURNS_MALLOC;
-// NB: unlike getservbyport, port parameter is NOT in network order
+// NB: unlike getservbyport, port parameter/retval are in host, NOT network order!
 #define getservbyport dont_use_getservbyport_uses_global_buffer
 char* bb_get_servname_by_port(char **p_etc_services, int port, const char *type) FAST_FUNC RETURNS_MALLOC;
+#define getservbyname dont_use_getservbyname_uses_global_buffer
+int bb_get_servport_by_name(char **p_etc_services, const char *name, const char *type) FAST_FUNC;
 // "old" (ipv4 only) API
 // users: traceroute.c hostname.c - use _list_ of all IPs
 struct hostent *xgethostbyname(const char *name) FAST_FUNC;