ncurses 6.1 - patch 20180623

[ncurses.git] / test / ins_wide.c

diff --git a/test/ins_wide.c b/test/ins_wide.c
index 38ffd7637d00b27041110d85096ddb09abacfe3c..72047a20cc97da653c315d80d9abac08bca48d9b 100644 (file)
--- a/test/ins_wide.c
+++ b/test/ins_wide.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2016,2017 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            *
@@ -26,7 +26,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: ins_wide.c,v 1.17 2012/06/09 20:29:33 tom Exp $
+ * $Id: ins_wide.c,v 1.24 2017/10/18 23:03:57 tom Exp $
  *
  * Demonstrate the wins_wstr() and wins_wch functions.
  * Thomas Dickey - 2002/11/23
@@ -132,7 +132,7 @@ ColOf(wchar_t *buffer, int length, int margin)
            result += 2;
            break;
        default:
-           result += wcwidth(ch);
+           result += wcwidth((wchar_t) ch);
            if (ch < 32)
                ++result;
            break;
@@ -236,12 +236,22 @@ test_inserts(int level)
        static char cmd[80];
        setlocale(LC_ALL, "");
 
-       putenv(strcpy(cmd, "TABSIZE=8"));
+       _nc_STRCPY(cmd, "TABSIZE=8", sizeof(cmd));
+       putenv(cmd);
 
        initscr();
        (void) cbreak();        /* take input chars one at a time, no wait for \n */
        (void) noecho();        /* don't echo input */
        keypad(stdscr, TRUE);
+
+       /*
+        * Show the characters inserted in color, to distinguish from those
+        * that are shifted.
+        */
+       if (has_colors()) {
+           start_color();
+           init_pair(1, COLOR_WHITE, COLOR_BLUE);
+       }
     }
 
     limit = LINES - 5;
@@ -275,13 +285,7 @@ test_inserts(int level)
 
     doupdate();
 
-    /*
-     * Show the characters inserted in color, to distinguish from those that
-     * are shifted.
-     */
     if (has_colors()) {
-       start_color();
-       init_pair(1, COLOR_WHITE, COLOR_BLUE);
        wbkgdset(work, (chtype) (COLOR_PAIR(1) | ' '));
     }
 
@@ -291,11 +295,13 @@ test_inserts(int level)
        case key_RECUR:
            test_inserts(level + 1);
 
-           touchwin(look);
+           if (look)
+               touchwin(look);
            touchwin(work);
            touchwin(show);
 
-           wnoutrefresh(look);
+           if (look)
+               wnoutrefresh(look);
            wnoutrefresh(work);
            wnoutrefresh(show);
 
@@ -385,7 +391,9 @@ test_inserts(int level)
            }
            break;
        default:
-           buffer[length++] = ch;
+           if (length >= BUFSIZ - 2)
+               break;
+           buffer[length++] = (wchar_t) ch;
            buffer[length] = '\0';
 
            /* put the string in, one character at a time */
@@ -439,10 +447,10 @@ test_inserts(int level)
        }
     }
     if (level > 0) {
-       delwin(show);
        delwin(work);
        delwin(look);
     }
+    delwin(show);
 }
 
 static void
@@ -450,7 +458,7 @@ usage(void)
 {
     static const char *tbl[] =
     {
-       "Usage: inserts [options]"
+       "Usage: ins_wide [options]"
        ,""
        ,"Options:"
        ,"  -f FILE read data from given file"