Minor change for DNS client in msvc6 port.

ports/msvc6/include/arch/cc.h

@@ -38,8 +38,9 @@
 #include <stdlib.h>
 #include <fcntl.h>
 
-/** @todo fix SNMP warnings */
+/** @todo fix some warnings */
 #pragma warning (disable: 4244)
+#pragma warning (disable: 4996)
 
 #define LWIP_PROVIDE_ERRNO
 

ports/msvc6/lwip4.dsp

@@ -178,6 +178,10 @@ SOURCE="$(LWIP_SRC)\core\dhcp.c"
 # End Source File
 # Begin Source File
 
+SOURCE="$(LWIP_SRC)\core\dns.c"
+# End Source File
+# Begin Source File
+
 SOURCE="$(LWIP_SRC)\core\inet.c"
 # End Source File
 # Begin Source File
@@ -290,6 +294,10 @@ SOURCE="$(LWIP_SRC)\include\lwip\dhcp.h"
 # End Source File
 # Begin Source File
 
+SOURCE="$(LWIP_SRC)\include\lwip\dns.h"
+# End Source File
+# Begin Source File
+
 SOURCE="$(LWIP_SRC)\include\lwip\err.h"
 # End Source File
 # Begin Source File

ports/msvc6/lwipopts.h

@@ -40,6 +40,8 @@
 #define LWIP_ICMP                  1
 #define LWIP_SNMP                  1
 
+#define LWIP_DNS                   1
+
 #define LWIP_HAVE_LOOPIF           1
 
 #define LWIP_COMPAT_SOCKETS        1
@@ -54,12 +56,6 @@
 #ifdef LWIP_DEBUG
 
 #define LWIP_DBG_MIN_LEVEL         0
-#define TAPIF_DEBUG                LWIP_DBG_OFF
-#define TUNIF_DEBUG                LWIP_DBG_OFF
-#define UNIXIF_DEBUG               LWIP_DBG_OFF
-#define DELIF_DEBUG                LWIP_DBG_OFF
-#define SIO_FIFO_DEBUG             LWIP_DBG_OFF
-#define TCPDUMP_DEBUG              LWIP_DBG_OFF
 #define PPP_DEBUG                  LWIP_DBG_OFF
 #define MEM_DEBUG                  LWIP_DBG_OFF
 #define MEMP_DEBUG                 LWIP_DBG_OFF
@@ -69,10 +65,11 @@
 #define TCPIP_DEBUG                LWIP_DBG_OFF
 #define NETIF_DEBUG                LWIP_DBG_OFF
 #define SOCKETS_DEBUG              LWIP_DBG_OFF
-#define DEMO_DEBUG                 LWIP_DBG_OFF
+#define DNS_DEBUG                  LWIP_DBG_OFF
 #define IP_DEBUG                   LWIP_DBG_OFF
 #define IP_REASS_DEBUG             LWIP_DBG_OFF
 #define ICMP_DEBUG                 LWIP_DBG_OFF
+#define IGMP_DEBUG                 LWIP_DBG_OFF
 #define UDP_DEBUG                  LWIP_DBG_OFF
 #define TCP_DEBUG                  LWIP_DBG_OFF
 #define TCP_INPUT_DEBUG            LWIP_DBG_OFF
@@ -87,6 +84,7 @@
 
 #define LWIP_DBG_TYPES_ON         (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
 
+
 /* ---------- Memory options ---------- */
 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
    lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
@@ -117,7 +115,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define MEMP_NUM_TCP_SEG        16
 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
    timeouts. */
-#define MEMP_NUM_SYS_TIMEOUT    8
+#define MEMP_NUM_SYS_TIMEOUT    10
 
 /* The following four are used only with the sequential API and can be
    set to 0 if the application only will use the raw API. */
@@ -150,6 +148,7 @@ a lot of data that needs to be copied, this should be set high. */
  */
 #define SYS_LIGHTWEIGHT_PROT    (NO_SYS==0)
 
+
 /* ---------- TCP options ---------- */
 #define LWIP_TCP                1
 #define TCP_TTL                 255
@@ -182,18 +181,19 @@ a lot of data that needs to be copied, this should be set high. */
 /* Maximum number of retransmissions of SYN segments. */
 #define TCP_SYNMAXRTX           4
 
+
 /* ---------- ARP options ---------- */
 #define LWIP_ARP                1
 #define ARP_TABLE_SIZE          10
 #define ARP_QUEUEING            1
 
+
 /* ---------- IP options ---------- */
 /* Define IP_FORWARD to 1 if you wish to have the ability to forward
    IP packets across network interfaces. If you are going to run lwIP
    on a device with only one network interface, define this to 0. */
 #define IP_FORWARD              1
 
-
 /* IP reassembly and segmentation.These are orthogonal even
  * if they both deal with IP fragments */
 #define IP_REASSEMBLY           1
@@ -201,23 +201,28 @@ a lot of data that needs to be copied, this should be set high. */
 #define MEMP_NUM_REASSDATA      10
 #define IP_FRAG                 1
 
+
 /* ---------- ICMP options ---------- */
 #define ICMP_TTL                255
 
+
 /* ---------- DHCP options ---------- */
 /* Define LWIP_DHCP to 1 if you want DHCP configuration of
    interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
    turning this on does currently not work. */
 #define LWIP_DHCP               0
 
-#define LWIP_AUTOIP             0
-
 /* 1 if you want to do an ARP check on the offered address
    (recommended). */
 #if LWIP_DHCP
 #define DHCP_DOES_ARP_CHECK     1
 #endif
 
+
+/* ---------- AUTOIP options ------- */
+#define LWIP_AUTOIP             0
+
+
 /* ---------- UDP options ---------- */
 #define LWIP_UDP                1
 #define LWIP_UDPLITE            1
@@ -243,6 +248,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define SYS_STATS               1
 #endif /* LWIP_STATS */
 
+
 /* ---------- PPP options ---------- */
 
 #define PPP_SUPPORT             0      /* Set > 0 for PPP */

ports/msvc6/test.c

@@ -48,6 +48,7 @@
 
 #include "lwip/tcp.h"
 #include "lwip/udp.h"
+#include "lwip/dns.h"
 
 /* lwIP netif includes */
 #include "netif/loopif.h"
@@ -120,6 +121,9 @@ static timers_infos timers_table[] = {
 #if LWIP_IGMP
   { 0, IGMP_TMR_INTERVAL,       igmp_tmr},
 #endif /* LWIP_IGMP */
+#if LWIP_DNS
+  { 0, DNS_TMR_INTERVAL,        dns_tmr},
+#endif /* LWIP_DNS */
 };
 
 /* initialize stack when NO_SYS=1 */
@@ -198,10 +202,22 @@ msvc_netif_init()
 #endif /* LWIP_HAVE_LOOPIF */
 }
 
+void dns_found(char *name, struct ip_addr *addr, void *arg)
+{ printf("%s: %s\n", name, addr?inet_ntoa(*(struct in_addr*)addr):"<not found>");
+}
+
 /* This function initializes applications */
 static void
 apps_init()
 {
+#if LWIP_DNS
+  char*          dnsname="3com.com";
+  struct ip_addr dnsresp;
+  if (dns_gethostbyname(dnsname, &dnsresp, dns_found, 0) == DNS_COMPLETE) {
+    dns_found(dnsname, &dnsresp, 0);
+  }
+#endif /* LWIP_DNS */
+
 #if LWIP_RAW
   ping_init();
 #endif /* LWIP_RAW */