X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fgdc.c;h=ef220fed59ba7f6ead313bc6f46622c56f247336;hp=83b3fd55a8bf567e639c1146d41bcda9e9bc2f2b;hb=95a30fbbfc81d5eb0a76e139c86e0a6505cad871;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8

diff --git a/test/gdc.c b/test/gdc.c
index 83b3fd55..ef220fed 100644
--- a/test/gdc.c
+++ b/test/gdc.c
@@ -1,3 +1,30 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
 /*
  * Grand digital clock for curses compatible terminals
  * Usage: gdc [-s] [n]   -- run for n seconds (default infinity)
@@ -6,7 +33,7 @@
  * modified 10-18-89 for curses (jrl)
  * 10-18-89 added signal handling
  *
- * $Id: gdc.c,v 1.26 2005/05/28 21:39:39 tom Exp $
+ * $Id: gdc.c,v 1.31 2008/08/03 23:58:42 tom Exp $
  */
 
 #include <test.priv.h>
@@ -58,13 +85,14 @@ drawbox(bool scrolling)
     mvaddch(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);
 
     mvaddch(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
-    mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
-    for (n = 0; n < XLENGTH; n++) {
-	if (!scrolling)
-	    bottom[n] &= ~A_COLOR;
-	bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
+    if ((mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH)) != ERR) {
+	for (n = 0; n < XLENGTH; n++) {
+	    if (!scrolling)
+		bottom[n] &= ~A_COLOR;
+	    bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
+	}
+	mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
     }
-    mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
     mvaddch(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);
 
     move(YBASE, XBASE - 1);
@@ -142,10 +170,9 @@ main(int argc, char *argv[])
 
     setlocale(LC_ALL, "");
 
-    signal(SIGINT, sighndl);
-    signal(SIGTERM, sighndl);
+    CATCHALL(sighndl);
 
-    while ((k = getopt(argc, argv, "sn")) != EOF) {
+    while ((k = getopt(argc, argv, "sn")) != -1) {
 	switch (k) {
 	case 's':
 	    scrol = TRUE;
@@ -160,6 +187,7 @@ main(int argc, char *argv[])
     }
     if (optind < argc) {
 	count = atoi(argv[optind++]);
+	assert(count >= 0);
     }
     if (optind < argc)
 	usage();