Drop non-curses support from Curses_ElapsedTime.

[gnushogi.git] / gnushogi / cursesdsp.c

diff --git a/gnushogi/cursesdsp.c b/gnushogi/cursesdsp.c
index c717a9f..7b37fc6 100644 (file)
--- a/gnushogi/cursesdsp.c
+++ b/gnushogi/cursesdsp.c
@@ -43,6 +43,20 @@
 #include "gnushogi.h"
 #include "cursesdsp.h"
 
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if HAVE_SYS_FILIO_H
+/* Definition of FIONREAD */
+#include <sys/filio.h>
+#endif
+
+#if HAVE_ERRNO_H
+/* Definition of errno(). */
+#include <errno.h>
+#endif
+
 #define FLUSH_SCANW fflush(stdout), scanw
 
 int mycnt1, mycnt2;
@@ -60,13 +74,14 @@ char *DRAW;
 /* FIXME: change this name, puh-leeze! */
 
 static void UpdateCatched(void);
-
+static void DrawPiece(short sq);
+static void ShowScore(short score);
 
 /****************************************
  * Trivial output functions.
  ****************************************/
 
-void
+static void
 ClearEoln(void)
 {
     clrtoeol();
@@ -82,7 +97,7 @@ Curses_ClearScreen(void)
 }
 
 
-void
+static void
 ClearMessage(void)
 {
     gotoXY(TAB, 6);
@@ -90,8 +105,7 @@ ClearMessage(void)
 }
 
 
-
-void
+static void
 gotoXY(short x, short y)
 {
     move(y - 1, x - 1);
@@ -151,6 +165,18 @@ Curses_ShowMessage(char *s)
 
 
 void
+Curses_AlwaysShowMessage(const char *format, ...)
+{
+    static char buffer[60];
+    va_list ap;
+    va_start(ap, format);
+    vsnprintf(buffer, sizeof(buffer), format, ap);
+    Curses_ShowMessage(buffer);
+    va_end(ap);
+}
+
+
+void
 Curses_Printf(const char *format, ...)
 {
     static char buffer[60];
@@ -169,6 +195,14 @@ Curses_doRequestInputString(const char* fmt, char* buffer)
 }
 
 
+int
+Curses_GetString(char* sx)
+{
+    fflush(stdout);
+    return (getstr(sx) == ERR);
+}
+
+
 void
 Curses_ShowNodeCnt(long NodeCnt)
 {
@@ -195,7 +229,7 @@ Curses_ShowPatternCount(short side, short n)
 }
 
 
-void
+static void
 ShowPlayers(void)
 {
     gotoXY(5, ((flag.reverse) ? (5 + 2*NO_ROWS) : 2));
@@ -205,9 +239,10 @@ ShowPlayers(void)
 }
 
 
-void
-ShowPrompt(void)
+static void
+Curses_ShowPrompt(void)
 {
+    Curses_ShowSidetoMove();
     gotoXY(TAB, 17);
     printw(CP[121]);     /* Your move is? */
     ClearEoln();
@@ -265,7 +300,7 @@ Curses_ShowResults(short score, unsigned short *bstline, char ch)
 }
 
 
-void
+static void
 ShowScore(short score)
 {
     gotoXY(TAB, 5);
@@ -292,12 +327,10 @@ Curses_ShowStage(void)
     ClearEoln();
 }
 
-
 /****************************************
  * End of trivial output routines.
  ****************************************/
 
-
 void
 Curses_Initialize(void)
 {
@@ -324,7 +357,6 @@ Curses_ExitShogi(void)
 }
 
 
-
 void
 Curses_Die(int sig)
 {
@@ -344,7 +376,6 @@ Curses_Die(int sig)
 }
 
 
-
 void
 Curses_TerminateSearch(int sig)
 {
@@ -361,7 +392,6 @@ Curses_TerminateSearch(int sig)
 }
 
 
-
 void
 Curses_help(void)
 {
@@ -560,7 +590,6 @@ Curses_EditBoard(void)
 }
 
 
-
 static void 
 UpdateCatched()
 {
@@ -612,7 +641,6 @@ UpdateCatched()
 }
 
 
-
 void
 Curses_SearchStartStuff(short side)
 {
@@ -629,7 +657,6 @@ Curses_SearchStartStuff(short side)
 }
 
 
-
 void
 Curses_OutputMove(void)
 {
@@ -695,8 +722,7 @@ Curses_OutputMove(void)
 }
 
 
-
-void
+static void
 UpdateClocks(void)
 {
     short m, s;
@@ -734,8 +760,7 @@ UpdateClocks(void)
 }
 
 
-
-void
+static void
 DrawPiece(short sq)
 {
     char y;
@@ -773,12 +798,9 @@ DrawPiece(short sq)
 }
 
 
-
-
 /*
  * Curses_ShowPostnValue(): must have called ExaminePosition() first
  */
-
 void
 Curses_ShowPostnValue(short sq)
 {
@@ -804,7 +826,6 @@ Curses_ShowPostnValue(short sq)
 }
 
 
-
 void
 Curses_ShowPostnValues(void)
 {
@@ -825,7 +846,6 @@ Curses_ShowPostnValues(void)
 }
 
 
-
 void
 Curses_UpdateDisplay(short f, short t, short redraw, short isspec)
 {
@@ -937,9 +957,6 @@ Curses_UpdateDisplay(short f, short t, short redraw, short isspec)
 }
 
 
-extern char *InPtr;
-
-
 void
 Curses_ChangeAlphaWindow(void)
 {
@@ -950,7 +967,6 @@ Curses_ChangeAlphaWindow(void)
 }
 
 
-
 void
 Curses_ChangeBetaWindow(void)
 {
@@ -961,7 +977,6 @@ Curses_ChangeBetaWindow(void)
 }
 
 
-
 void
 Curses_GiveHint(void)
 {
@@ -981,7 +996,6 @@ Curses_GiveHint(void)
 }
 
 
-
 void
 Curses_ChangeSearchDepth(void)
 {
@@ -1009,7 +1023,6 @@ Curses_SetContempt(void)
 }
 
 
-
 void
 Curses_ChangeXwindow(void)
 {
@@ -1018,7 +1031,6 @@ Curses_ChangeXwindow(void)
 }
 
 
-
 void
 Curses_SelectLevel(char *sx)
 {
@@ -1129,7 +1141,6 @@ Curses_SelectLevel(char *sx)
 }
 
 
-
 void
 Curses_DoDebug(void)
 {
@@ -1177,7 +1188,6 @@ Curses_DoDebug(void)
 }
 
 
-
 void
 Curses_DoTable(short table[NO_SQUARES])
 {
@@ -1192,4 +1202,92 @@ Curses_DoTable(short table[NO_SQUARES])
 } 
 
 
+/*
+ * Determine the time that has passed since the search was started. If the
+ * elapsed time exceeds the target(ResponseTime + ExtraTime) then set timeout
+ * to true which will terminate the search.
+ * iop = COMPUTE_MODE calculate et, bump ETnodes
+ * iop = COMPUTE_AND_INIT_MODE calculate et, set timeout if time exceeded,
+ *     set reference time
+ */
+void
+Curses_ElapsedTime(ElapsedTime_mode iop)
+{
+    long current_time;
+    int  i;
+    int  nchar;
+
+#ifdef HAVE_GETTIMEOFDAY
+    struct timeval tv;
+#endif
+
+    if ((i = ioctl((int) 0, FIONREAD, &nchar)))
+    {
+        perror("FIONREAD");
+        fprintf(stderr,
+                "You probably have a non-ANSI <ioctl.h>; "
+                "see README. %d %d %x\n",
+                i, errno, FIONREAD);
+        exit(1);
+    }
+
+    if (nchar)
+    {
+        if (!flag.timeout)
+            flag.back = true;
+
+        flag.bothsides = false;
+    }
+
+#ifdef HAVE_GETTIMEOFDAY
+    gettimeofday(&tv, NULL);
+    current_time = tv.tv_sec*100 + (tv.tv_usec/10000);
+#else
+    et = ((current_time = time((long *) 0)) - time0) * 100;
+#endif
 
+#ifdef INTERRUPT_TEST
+    if (iop == INIT_INTERRUPT_MODE)
+    {
+        itime0 = current_time;
+    }
+    else if (iop == COMPUTE_INTERRUPT_MODE)
+    {
+        it = current_time - itime0;
+    }
+    else
+#endif
+    {
+#ifdef HAVE_GETTIMEOFDAY
+        et = current_time - time0;
+#endif
+        ETnodes = NodeCnt + znodes;
+
+        if (et < 0)
+        {
+#ifdef INTERRUPT_TEST
+            printf("elapsed time %ld not positive\n", et);
+#endif
+            et = 0;
+        }
+
+        if (iop == COMPUTE_AND_INIT_MODE)
+        {
+            if ((et > (ResponseTime + ExtraTime)) && (Sdepth > MINDEPTH))
+                flag.timeout = true;
+
+            time0 = current_time;
+        }
+
+#ifdef QUIETBACKGROUND
+        if (!background)
+#endif
+            UpdateClocks();
+    }
+}
+
+void
+Curses_SetupBoard(void)
+{
+    Curses_ShowMessage("'setup' command is not supported in Cursesmode");
+}