X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftty%2Flib_twait.c;h=ffdd4932183e6befea4fb98c0713da4645d3c9c2;hp=3091719cd79ca126f1201b8decc000bab24a647a;hb=5da4544722decdeb2bfd0c7c4581af0ea62148f9;hpb=7a6bbc8cf41c5186d46accc3d08622dc86526b34;ds=sidebyside

diff --git a/ncurses/tty/lib_twait.c b/ncurses/tty/lib_twait.c
index 3091719c..ffdd4932 100644
--- a/ncurses/tty/lib_twait.c
+++ b/ncurses/tty/lib_twait.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -53,6 +53,11 @@
 #include <OS.h>
 #endif
 
+#if USE_KLIBC_KBD
+#define INCL_KBD
+#include <os2.h>
+#endif
+
 #if USE_FUNC_POLL
 # if HAVE_SYS_TIME_H
 #  include <sys/time.h>
@@ -65,15 +70,15 @@
 #  include <sys/select.h>
 # endif
 #endif
-#ifdef __MINGW32__
+#ifdef _WIN32
 #  include <sys/time.h>
 #endif
 #undef CUR
 
-MODULE_ID("$Id: lib_twait.c,v 1.60 2009/04/18 21:01:13 tom Exp $")
+MODULE_ID("$Id: lib_twait.c,v 1.73 2018/06/23 21:35:06 tom Exp $")
 
 static long
-_nc_gettime(TimeType * t0, bool first)
+_nc_gettime(TimeType * t0, int first)
 {
     long res;
 
@@ -97,7 +102,7 @@ _nc_gettime(TimeType * t0, bool first)
     if (first) {
 	*t0 = t1;
     }
-    res = (t1 - *t0) * 1000;
+    res = (long) ((t1 - *t0) * 1000);
 #endif
     TR(TRACE_IEVENT, ("%s time: %ld msec", first ? "get" : "elapsed", res));
     return res;
@@ -108,15 +113,15 @@ NCURSES_EXPORT(int)
 _nc_eventlist_timeout(_nc_eventlist * evl)
 {
     int event_delay = -1;
-    int n;
 
     if (evl != 0) {
+	int n;
 
 	for (n = 0; n < evl->count; ++n) {
 	    _nc_event *ev = evl->events[n];
 
 	    if (ev->type == _NC_EVENT_TIMEOUT_MSEC) {
-		event_delay = ev->data.timeout_msec;
+		event_delay = (int) ev->data.timeout_msec;
 		if (event_delay < 0)
 		    event_delay = INT_MAX;	/* FIXME Is this defined? */
 	    }
@@ -184,8 +189,18 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     fd_set set;
 #endif
 
+#if USE_KLIBC_KBD
+    fd_set saved_set;
+    KBDKEYINFO ki;
+    struct timeval tv;
+#endif
+
     long starttime, returntime;
 
+#ifdef NCURSES_WGETCH_EVENTS
+    (void) timeout_is_event;
+#endif
+
     TR(TRACE_IEVENT, ("start twait: %d milliseconds, mode: %d",
 		      milliseconds, mode));
 
@@ -207,6 +222,7 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     starttime = _nc_gettime(&t0, TRUE);
 
     count = 0;
+    (void) count;
 
 #ifdef NCURSES_WGETCH_EVENTS
     if ((mode & TW_EVENT) && evl)
@@ -217,8 +233,12 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     memset(fd_list, 0, sizeof(fd_list));
 
 #ifdef NCURSES_WGETCH_EVENTS
-    if ((mode & TW_EVENT) && evl)
-	fds = typeMalloc(struct pollfd, MIN_FDS + evl->count);
+    if ((mode & TW_EVENT) && evl) {
+	if (fds == fd_list)
+	    fds = typeMalloc(struct pollfd, MIN_FDS + evl->count);
+	if (fds == 0)
+	    return TW_NONE;
+    }
 #endif
 
     if (mode & TW_INPUT) {
@@ -247,7 +267,7 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     }
 #endif
 
-    result = poll(fds, (unsigned) count, milliseconds);
+    result = poll(fds, (size_t) count, milliseconds);
 
 #ifdef NCURSES_WGETCH_EVENTS
     if ((mode & TW_EVENT) && evl) {
@@ -274,10 +294,6 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
 	    }
 	}
     }
-
-    if (fds != fd_list)
-	free((char *) fds);
-
 #endif
 
 #elif defined(__BEOS__)
@@ -329,10 +345,12 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
      */
     FD_ZERO(&set);
 
+#if !USE_KLIBC_KBD
     if (mode & TW_INPUT) {
 	FD_SET(sp->_ifd, &set);
 	count = sp->_ifd + 1;
     }
+#endif
     if ((mode & TW_MOUSE)
 	&& (fd = sp->_mouse_fd) >= 0) {
 	FD_SET(fd, &set);
@@ -352,6 +370,31 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     }
 #endif
 
+#if USE_KLIBC_KBD
+    for (saved_set = set;; set = saved_set) {
+	if ((mode & TW_INPUT)
+	    && (sp->_extended_key
+		|| (KbdPeek(&ki, 0) == 0
+		    && (ki.fbStatus & KBDTRF_FINAL_CHAR_IN)))) {
+	    FD_ZERO(&set);
+	    FD_SET(sp->_ifd, &set);
+	    result = 1;
+	    break;
+	}
+
+	tv.tv_sec = 0;
+	tv.tv_usec = (milliseconds == 0) ? 0 : (10 * 1000);
+
+	if ((result = select(count, &set, NULL, NULL, &tv)) != 0)
+	    break;
+
+	/* Time out ? */
+	if (milliseconds >= 0 && _nc_gettime(&t0, FALSE) >= milliseconds) {
+	    result = 0;
+	    break;
+	}
+    }
+#else
     if (milliseconds >= 0) {
 	struct timeval ntimeout;
 	ntimeout.tv_sec = milliseconds / 1000;
@@ -360,6 +403,7 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     } else {
 	result = select(count, &set, NULL, NULL, NULL);
     }
+#endif
 
 #ifdef NCURSES_WGETCH_EVENTS
     if ((mode & TW_EVENT) && evl) {
@@ -386,7 +430,7 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
     returntime = _nc_gettime(&t0, FALSE);
 
     if (milliseconds >= 0)
-	milliseconds -= (returntime - starttime);
+	milliseconds -= (int) (returntime - starttime);
 
 #ifdef NCURSES_WGETCH_EVENTS
     if (evl) {
@@ -462,5 +506,12 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
 	result |= TW_EVENT;
 #endif
 
+#if USE_FUNC_POLL
+#ifdef NCURSES_WGETCH_EVENTS
+    if (fds != fd_list)
+	free((char *) fds);
+#endif
+#endif
+
     return (result);
 }