Changes for Watt-32 on Windows. I've assumed Configure

sets the required HAVE_xx defines for non-DOS/Win targets.

ares.h

@@ -27,11 +27,14 @@
 #include <sys/select.h>
 #endif
 
-#ifdef WIN32
-#include <winsock.h>
-#include <windows.h>
+#if defined(WATT32)
+  #include <netinet/in.h>
+  #include <tcp.h>
+#elif defined(WIN32)
+  #include <winsock.h>
+  #include <windows.h>
 #else
-#include <netinet/in.h>
+  #include <netinet/in.h>
 #endif
 
 #define ARES_SUCCESS		0

ares__close_sockets.c

@@ -16,10 +16,10 @@
 #include "setup.h"
 
 #include <stdlib.h>
-#ifdef WIN32
-#else
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+
 #include "ares.h"
 #include "ares_private.h"
 

ares__get_hostent.c

@@ -16,9 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
-
-#else
+#if !defined(WIN32) || defined(WATT32)
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>

ares_expand_name.c

@@ -16,7 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #else
 #include <netinet/in.h>

ares_expand_string.c

@@ -16,7 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #else
 #include <netinet/in.h>

ares_fds.c

@@ -16,9 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
-
-#else
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 

ares_free_hostent.c

@@ -16,9 +16,7 @@
 #include "setup.h"
 #include <stdlib.h>
 
-#ifdef WIN32
-
-#else
+#if !defined(WIN32) || defined(WATT32)
 #include <netdb.h>
 #endif
 

ares_init.c

@@ -16,19 +16,25 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #include <iphlpapi.h>
 #include <malloc.h>
+
 #else
 #include <sys/param.h>
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
+#endif
+
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <arpa/nameser.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -39,6 +45,10 @@
 #include "ares.h"
 #include "ares_private.h"
 
+#ifdef WATT32
+#undef WIN32  /* Redefined in MingW/MSVC headers */
+#endif
+
 static int init_by_options(ares_channel channel, struct ares_options *options,
 			   int optmask);
 static int init_by_environment(ares_channel channel);

ares_private.h

@@ -18,9 +18,7 @@
 #include <stdio.h>
 #include <sys/types.h>
 
-#ifdef WIN32
-
-#else
+#if !defined(WIN32) || defined(WATT32)
 #include <netinet/in.h>
 /* We define closesocket() here so that we can use this function all over
    the source code for closing sockets. */
@@ -41,7 +39,7 @@
 #define	INADDR_NONE 0xffffffff
 #endif
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 
 #define IsNT ((int)GetVersion()>0)
 #define WIN_NS_9X      "System\\CurrentControlSet\\Services\\VxD\\MSTCP"

ares_process.c

@@ -16,27 +16,33 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
+
 #else
 #include <sys/socket.h>
+#ifdef HAVE_SYS_UIO_H
 #include <sys/uio.h>
+#endif
 #include <netinet/in.h>
 #include <netdb.h>
 #include <arpa/nameser.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#endif
 
 #include <string.h>
 #include <stdlib.h>
 #include <fcntl.h>
 #include <time.h>
 #include <errno.h>
+
 #include "ares.h"
 #include "ares_dns.h"
 #include "ares_private.h"
 
-#ifdef WIN32
+#if defined(WIN32) || defined(WATT32)
 #define GET_ERRNO()  WSAGetLastError()
 #else
 #define GET_ERRNO()  errno
@@ -234,7 +240,8 @@ static void read_tcp_data(ares_channel channel, fd_set *read_fds, time_t now)
 	       */
 	      process_answer(channel, server->tcp_buffer, server->tcp_length,
 			     i, 1, now);
-	      free(server->tcp_buffer);
+          if (server->tcp_buffer)
+			free(server->tcp_buffer);
 	      server->tcp_buffer = NULL;
 	      server->tcp_lenbuf_pos = 0;
 	    }

ares_query.c

@@ -16,7 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #else
 #include <netinet/in.h>

ares_search.c

@@ -19,7 +19,7 @@
 #include <string.h>
 #include <ctype.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #endif
 

ares_send.c

@@ -16,7 +16,7 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include "nameser.h"
 #else
 #include <netinet/in.h>

ares_timeout.c

@@ -16,13 +16,12 @@
 #include "setup.h"
 #include <sys/types.h>
 
-#ifdef WIN32
-
-#else
+#ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
 #include <time.h>
+
 #include "ares.h"
 #include "ares_private.h"
 

nameser.h

@@ -221,16 +221,4 @@ typedef enum __ns_rcode {
 #define T_MAILA         ns_t_maila
 #define T_ANY           ns_t_any
 
-#if !(defined(__MINGW32__) || defined(NETWARE))
-/* protos for the functions we provide in windows_port.c */
-int ares_strncasecmp(const char *s1, const char *s2, size_t n);
-int ares_strcasecmp(const char *s1, const char *s2);
-
-/* use this define magic to prevent us from adding symbol names to the library
-   that is a high-risk to collide with another libraries' attempts to do the
-   same */
-#define strncasecmp(a,b,c) ares_strncasecmp(a,b,c)
-#define strcasecmp(a,b) ares_strcasecmp(a,b)
-#endif
-
 #endif /* ARES_NAMESER_H */

setup.h

@@ -19,6 +19,12 @@
 #else
 /* simple work-around for now, for systems without configure support */
 #define ssize_t int
+
+#ifdef __MINGW32__
+#define HAVE_SYS_TIME_H
+#define HAVE_UNISTD_H
+#endif
+
 #endif
 
 /* Recent autoconf versions define these symbols in config.h. We don't want
@@ -33,7 +39,7 @@
 #undef PACKAGE
 
 /* now typedef our socket type */
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #include <winsock.h>
 typedef SOCKET ares_socket_t;
 #define ARES_SOCKET_BAD INVALID_SOCKET
@@ -42,4 +48,31 @@ typedef int ares_socket_t;
 #define ARES_SOCKET_BAD -1
 #endif
 
+/* Assume a few thing unless they're set by configure
+ */
+#if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER)
+#define HAVE_SYS_TIME_H  
+#endif
+
+#if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER)
+#define HAVE_UNISTD_H 
+#endif
+
+#if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) 
+#define HAVE_SYS_UIO_H
+#endif
+
+#if (defined(WIN32) || defined(WATT32)) && \
+   !(defined(__MINGW32__) || defined(NETWARE))
+/* protos for the functions we provide in windows_port.c */
+int ares_strncasecmp(const char *s1, const char *s2, int n);
+int ares_strcasecmp(const char *s1, const char *s2);
+
+/* use this define magic to prevent us from adding symbol names to the library
+   that is a high-risk to collide with another libraries' attempts to do the
+   same */
+#define strncasecmp(a,b,c) ares_strncasecmp(a,b,c)
+#define strcasecmp(a,b) ares_strcasecmp(a,b)
+#endif
+
 #endif /* ARES_SETUP_H */

windows_port.c

@@ -1,6 +1,8 @@
 #include "setup.h"
 
-#ifdef WIN32 /* only do the following on windows */
+/* only do the following on windows
+ */
+#if (defined(WIN32) || defined(WATT32)) && !defined(MSDOS)
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
@@ -8,13 +10,19 @@
 #include <errno.h>
 #include <malloc.h>
 
+#ifdef WATT32
+#include <sys/socket.h>
+#else
 #include "nameser.h"
+#endif
+#include "ares.h"
+#include "ares_private.h"
 
 #ifndef __MINGW32__
 int
-ares_strncasecmp(const char *a, const char *b, size_t n)
+ares_strncasecmp(const char *a, const char *b, int n)
 {
-    size_t i;
+    int i;
 
     for (i = 0; i < n; i++) {
         int c1 = isupper(a[i]) ? tolower(a[i]) : a[i];
@@ -57,7 +65,7 @@ ares_gettimeofday(struct timeval *tv, struct timezone *tz)
 }
 
 int
-ares_writev (SOCKET s, const struct iovec *vector, size_t count)
+ares_writev (ares_socket_t s, const struct iovec *vector, size_t count)
 {
   char *buffer, *bp;
   size_t i, bytes = 0;