From 0a2ec9c1acdcaa2f133f4ee12e478cd710aa4792 Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Fri, 27 Sep 2013 09:39:28 +0200
Subject: [PATCH] Windows port

This patch makes GNU Shogi compilable with gcc under Cygwin, using the
-mno-cygwin flag, so that it can run as a native Windows application,
independent of Cygwin1.dll.

The patch is fully conditional, based on defined(WIN32).

YD: rebased onto recent refactorings
---
 gnushogi/gnushogi.h |   11 +++++++----
 gnushogi/init.c     |    2 ++
 gnushogi/rawdsp.c   |   13 +++++++++++++
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/gnushogi/gnushogi.h b/gnushogi/gnushogi.h
index 60cedaa..8a16fc7 100644
--- a/gnushogi/gnushogi.h
+++ b/gnushogi/gnushogi.h
@@ -81,7 +81,6 @@ extern short nolist;          /* Don't list game after exit.           */
 #define small_ushort unsigned char
 
 
-typedef small_short    BYTE;
 typedef small_ushort   UBYTE;
 typedef short          SHORT;
 typedef unsigned short USHORT;
@@ -130,9 +129,13 @@ typedef unsigned long  ULONG;
 
 #include <sys/param.h>
 #include <sys/types.h>
-#include <sys/times.h>
-#include <sys/ioctl.h>
-
+#ifdef WIN32
+#  include <windows.h>
+#else
+   typedef small_short    BYTE;
+#  include <sys/times.h>
+#  include <sys/ioctl.h>
+#endif
 
 #if TIME_WITH_SYS_TIME
 #  include <sys/time.h>
diff --git a/gnushogi/init.c b/gnushogi/init.c
index 3eeaef3..3ae048d 100644
--- a/gnushogi/init.c
+++ b/gnushogi/init.c
@@ -69,7 +69,9 @@ unsigned int ttbllimit;
 /* .... MOVE GENERATION VARIABLES AND INITIALIZATIONS .... */
 
 
+#ifndef WIN32
 #define max(a, b) (((a) < (b))?(b):(a))
+#endif
 #define odd(a) ((a) & 1)
 
 
diff --git a/gnushogi/rawdsp.c b/gnushogi/rawdsp.c
index e8e7b98..5c4d45d 100644
--- a/gnushogi/rawdsp.c
+++ b/gnushogi/rawdsp.c
@@ -35,8 +35,10 @@
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/file.h>
+#ifndef WIN32
 #include <poll.h>
 #include <unistd.h>
+#endif
 
 #include "gnushogi.h"
 #include "rawdsp.h"
@@ -217,6 +219,10 @@ Raw_Initialize(void)
 
     if (XSHOGI)
     {
+#ifdef WIN32
+        /* needed because of inconsistency between MSVC run-time system and gcc includes */
+        setbuf(stdout, NULL);
+#else
 #ifdef HAVE_SETLINEBUF
         setlinebuf(stdout);
 #else
@@ -226,6 +232,7 @@ Raw_Initialize(void)
 #    error "Need setlinebuf() or setvbuf() to compile gnushogi!"
 #  endif
 #endif
+#endif
         printf("GNU Shogi %s\n", PACKAGE_VERSION);
     }
 
@@ -944,6 +951,11 @@ Raw_ShowPostnValues(void)
 void
 Raw_PollForInput(void)
 {
+#ifdef WIN32
+    DWORD cnt;
+    if (!PeekNamedPipe(GetStdHandle(STD_INPUT_HANDLE), NULL, 0, NULL, &cnt, NULL))
+        cnt = 1;
+#else
     static struct pollfd pollfds[1] = { /* [0] = */ { /* .fd = */ STDIN_FILENO,
                                                       /* .events = */ POLLIN } };
     int cnt = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), 0);
@@ -951,6 +963,7 @@ Raw_PollForInput(void)
         perror("polling standard input");
         ExitShogi();
     }
+#endif
     if (cnt) { /* if anything to read, or error occured */
         if (!flag.timeout)
             flag.back = true; /* previous: flag.timeout = true; */
-- 
1.7.0.4