ncurses 6.1 - patch 20191116

[ncurses.git] / ncurses / tty / lib_twait.c

diff --git a/ncurses/tty/lib_twait.c b/ncurses/tty/lib_twait.c
index dd409decd281934a66dff639f16eaa0841a90b3b..ffdd4932183e6befea4fb98c0713da4645d3c9c2 100644 (file)
--- a/ncurses/tty/lib_twait.c
+++ b/ncurses/tty/lib_twait.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 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            *
@@ -70,12 +70,12 @@
 #  include <sys/select.h>
 # endif
 #endif
-#ifdef __MINGW32__
+#ifdef _WIN32
 #  include <sys/time.h>
 #endif
 #undef CUR
 
-MODULE_ID("$Id: lib_twait.c,v 1.63 2012/01/21 19:21:29 KO.Myung-Hun Exp $")
+MODULE_ID("$Id: lib_twait.c,v 1.73 2018/06/23 21:35:06 tom Exp $")
 
 static long
 _nc_gettime(TimeType * t0, int first)
@@ -102,7 +102,7 @@ _nc_gettime(TimeType * t0, int 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;
@@ -113,15 +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? */
            }
@@ -197,6 +197,10 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
 
     long starttime, returntime;
 
+#ifdef NCURSES_WGETCH_EVENTS
+    (void) timeout_is_event;
+#endif
+
     TR(TRACE_IEVENT, ("start twait: %d milliseconds, mode: %d",
                      milliseconds, mode));
 
@@ -218,6 +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)
@@ -228,8 +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) {
@@ -285,10 +294,6 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
            }
        }
     }
-
-    if (fds != fd_list)
-       free((char *) fds);
-
 #endif
 
 #elif defined(__BEOS__)
@@ -501,5 +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);
 }