use ares_getopt for all platforms

Makefile.inc

@@ -6,7 +6,7 @@ ares_timeout.c ares_destroy.c ares_mkquery.c ares_version.c		\
 ares_expand_name.c ares_parse_a_reply.c windows_port.c			\
 ares_expand_string.c ares_parse_ptr_reply.c ares_parse_aaaa_reply.c	\
 ares_getnameinfo.c inet_net_pton.c bitncmp.c inet_ntop.c		\
-ares_parse_ns_reply.c
+ares_parse_ns_reply.c ares_getopt.c
 
 HHEADERS = ares.h ares_private.h setup.h ares_dns.h ares_version.h          \
            nameser.h inet_net_pton.h inet_ntop.h ares_ipv6.h bitncmp.h      \

Makefile.vc6

@@ -57,6 +57,7 @@ OBJECTS = $(OBJ_DIR)\ares_fds.obj              \
           $(OBJ_DIR)\ares__read_line.obj       \
           $(OBJ_DIR)\ares_gethostbyname.obj    \
           $(OBJ_DIR)\ares_getnameinfo.obj      \
+          $(OBJ_DIR)\ares_getopt.obj           \
           $(OBJ_DIR)\ares_strerror.obj         \
           $(OBJ_DIR)\ares_cancel.obj           \
           $(OBJ_DIR)\ares_init.obj             \
@@ -121,6 +122,7 @@ $(DEF_FILE): $(OBJECTS) Makefile.VC6
        @echo   ares_inet_pton         >> $@
        @echo   ares_writev            >> $@
        @echo   ares_getnameinfo       >> $@
+       @echo   ares_getopt            >> $@
        @echo   ares_gettimeofday      >> $@
        @echo   ares_parse_aaaa_reply  >> $@
 
@@ -229,3 +231,5 @@ $(OBJ_DIR)\bitncmp.obj: bitncmp.c bitncmp.h
 
 $(OBJ_DIR)\inet_ntop.obj: inet_ntop.c setup.h setup_once.h nameser.h           \
   ares_ipv6.h inet_ntop.h
+
+$(OBJ_DIR)\ares_getopt.obj: ares_getopt.c setup.h setup_once.h ares.h

adig.c

@@ -32,9 +32,6 @@
 #endif
 #include <netdb.h>
 #endif
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -163,7 +160,7 @@ int main(int argc, char **argv)
   options.flags = ARES_FLAG_NOCHECKRESP;
   options.servers = NULL;
   options.nservers = 0;
-  while ((c = getopt(argc, argv, "df:s:c:t:T:U:")) != -1)
+  while ((c = ares_getopt(argc, argv, "df:s:c:t:T:U:")) != -1)
     {
       switch (c)
         {

ahost.c

@@ -34,10 +34,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-
 #include "ares.h"
 #include "ares_dns.h"
 #include "inet_ntop.h"
@@ -73,7 +69,7 @@ int main(int argc, char **argv)
   WSAStartup(wVersionRequested, &wsaData);
 #endif
 
-  while ((c = getopt(argc,argv,"dt:h")) != -1)
+  while ((c = ares_getopt(argc,argv,"dt:h")) != -1)
     {
       switch (c)
         {