Update to ncurses-6.0

Change-Id: I98ab2ea8a5e13cca9f8b7cf6277b9b14a4da4299
diff --git a/test/test_getstr.c b/test/test_getstr.c
new file mode 100644
index 0000000..3f64c77
--- /dev/null
+++ b/test/test_getstr.c
@@ -0,0 +1,372 @@
+/****************************************************************************
+ * Copyright (c) 2007-2009,2012 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.                                                           *
+ ****************************************************************************/
+/*
+ * $Id: test_getstr.c,v 1.10 2012/07/07 18:22:49 tom Exp $
+ *
+ * Author: Thomas E Dickey
+ *
+ * Demonstrate the getstr functions from the curses library.
+
+       int getstr(char *str);
+       int getnstr(char *str, int n);
+       int wgetstr(WINDOW *win, char *str);
+       int wgetnstr(WINDOW *win, char *str, int n);
+       int mvgetstr(int y, int x, char *str);
+       int mvwgetstr(WINDOW *win, int y, int x, char *str);
+       int mvgetnstr(int y, int x, char *str, int n);
+       int mvwgetnstr(WINDOW *, int y, int x, char *str, int n);
+ */
+
+#include <test.priv.h>
+
+#if HAVE_CHGAT
+/* Solaris SVr4 curses lacks wchgat, mvgetnstr, mvwgetnstr */
+
+#define BASE_Y 6
+#define MAX_COLS 1024
+
+typedef enum {
+    eGetStr = 0,
+    eGetNStr,
+    eMvGetStr,
+    eMvGetNStr,
+    eMaxFlavor
+} Flavors;
+
+/*
+ * Return-code is OK/ERR or a keyname.
+ */
+static const char *
+ok_keyname(int code)
+{
+    return ((code == OK) ? "OK" : ((code == ERR) ? "ERR" : keyname(code)));
+}
+
+static bool
+Quit(int ch)
+{
+    return (ch == ERR || ch == 'q' || ch == QUIT || ch == ESCAPE);
+}
+
+static int
+Remainder(WINDOW *txtwin)
+{
+    int result = getmaxx(txtwin) - getcurx(txtwin);
+    return (result > 0) ? result : 0;
+}
+
+/*
+ * Show a highlighted line in the place where input will happen.
+ */
+static void
+ShowPrompt(WINDOW *txtwin, int limit)
+{
+    wchgat(txtwin, limit, A_REVERSE, 0, NULL);
+    wnoutrefresh(txtwin);
+}
+
+static void
+MovePrompt(WINDOW *txtwin, int limit, int y, int x)
+{
+    wchgat(txtwin, Remainder(txtwin), A_NORMAL, 0, NULL);
+    wmove(txtwin, y, x);
+    ShowPrompt(txtwin, limit);
+}
+
+static int
+ShowFlavor(WINDOW *strwin, WINDOW *txtwin, int flavor, int limit)
+{
+    const char *name = "?";
+    bool limited = FALSE;
+    bool wins = (txtwin != stdscr);
+    int result;
+
+    switch (flavor) {
+    case eGetStr:
+	name = wins ? "wgetstr" : "getstr";
+	break;
+    case eGetNStr:
+	limited = TRUE;
+	name = wins ? "wgetnstr" : "getnstr";
+	break;
+    case eMvGetStr:
+	name = wins ? "mvwgetstr" : "mvgetstr";
+	break;
+    case eMvGetNStr:
+	limited = TRUE;
+	name = wins ? "mvwgetnstr" : "mvgetnstr";
+	break;
+    case eMaxFlavor:
+	break;
+    }
+
+    wmove(strwin, 0, 0);
+    werase(strwin);
+
+    if (limited) {
+	wprintw(strwin, "%s(%d):", name, limit);
+    } else {
+	wprintw(strwin, "%s:", name);
+    }
+    result = limited ? limit : Remainder(txtwin);
+    ShowPrompt(txtwin, result);
+
+    wnoutrefresh(strwin);
+    return result;
+}
+
+static int
+test_getstr(int level, char **argv, WINDOW *strwin)
+{
+    WINDOW *txtbox = 0;
+    WINDOW *txtwin = 0;
+    FILE *fp;
+    int ch;
+    int rc;
+    int txt_x = 0, txt_y = 0;
+    int base_y;
+    int flavor = 0;
+    int limit = getmaxx(strwin) - 5;
+    int actual;
+
+    char buffer[MAX_COLS];
+
+    if (argv[level] == 0) {
+	beep();
+	return FALSE;
+    }
+
+    if (level > 1) {
+	txtbox = newwin(LINES - BASE_Y, COLS - level, BASE_Y, level);
+	box(txtbox, 0, 0);
+	wnoutrefresh(txtbox);
+
+	txtwin = derwin(txtbox,
+			getmaxy(txtbox) - 2,
+			getmaxx(txtbox) - 2,
+			1, 1);
+	base_y = 0;
+    } else {
+	txtwin = stdscr;
+	base_y = BASE_Y;
+    }
+
+    keypad(txtwin, TRUE);	/* enable keyboard mapping */
+    (void) cbreak();		/* take input chars one at a time, no wait for \n */
+    (void) noecho();		/* don't echo input */
+
+    txt_y = base_y;
+    txt_x = 0;
+    wmove(txtwin, txt_y, txt_x);
+
+    if ((fp = fopen(argv[level], "r")) != 0) {
+	while ((ch = fgetc(fp)) != EOF) {
+	    if (waddch(txtwin, UChar(ch)) != OK) {
+		break;
+	    }
+	}
+	fclose(fp);
+    } else {
+	wprintw(txtwin, "Cannot open:\n%s", argv[1]);
+    }
+
+    wmove(txtwin, txt_y, txt_x);
+    actual = ShowFlavor(strwin, txtwin, flavor, limit);
+    while (!Quit(ch = mvwgetch(txtwin, txt_y, txt_x))) {
+	switch (ch) {
+	case KEY_DOWN:
+	case 'j':
+	    if (txt_y < getmaxy(txtwin) - 1) {
+		MovePrompt(txtwin, actual, ++txt_y, txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_UP:
+	case 'k':
+	    if (txt_y > base_y) {
+		MovePrompt(txtwin, actual, --txt_y, txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_LEFT:
+	case 'h':
+	    if (txt_x > 0) {
+		MovePrompt(txtwin, actual, txt_y, --txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+	case KEY_RIGHT:
+	case 'l':
+	    if (txt_x < getmaxx(txtwin) - 1) {
+		MovePrompt(txtwin, actual, txt_y, ++txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+
+	case 'w':
+	    test_getstr(level + 1, argv, strwin);
+	    if (txtbox != 0) {
+		touchwin(txtbox);
+		wnoutrefresh(txtbox);
+	    } else {
+		touchwin(txtwin);
+		wnoutrefresh(txtwin);
+	    }
+	    break;
+
+	case '-':
+	    if (limit > 0) {
+		actual = ShowFlavor(strwin, txtwin, flavor, --limit);
+		MovePrompt(txtwin, actual, txt_y, txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+
+	case '+':
+	    actual = ShowFlavor(strwin, txtwin, flavor, ++limit);
+	    MovePrompt(txtwin, actual, txt_y, txt_x);
+	    break;
+
+	case '<':
+	    if (flavor > 0) {
+		actual = ShowFlavor(strwin, txtwin, --flavor, limit);
+		MovePrompt(txtwin, actual, txt_y, txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+
+	case '>':
+	    if (flavor + 1 < eMaxFlavor) {
+		actual = ShowFlavor(strwin, txtwin, ++flavor, limit);
+		MovePrompt(txtwin, actual, txt_y, txt_x);
+	    } else {
+		beep();
+	    }
+	    break;
+
+	case ':':
+	    actual = ShowFlavor(strwin, txtwin, flavor, limit);
+	    *buffer = '\0';
+	    rc = ERR;
+	    echo();
+	    (void) wattrset(txtwin, A_REVERSE);
+	    switch (flavor) {
+	    case eGetStr:
+		if (txtwin != stdscr) {
+		    wmove(txtwin, txt_y, txt_x);
+		    rc = wgetstr(txtwin, buffer);
+		} else {
+		    move(txt_y, txt_x);
+		    rc = getstr(buffer);
+		}
+		break;
+	    case eGetNStr:
+		if (txtwin != stdscr) {
+		    wmove(txtwin, txt_y, txt_x);
+		    rc = wgetnstr(txtwin, buffer, limit);
+		} else {
+		    move(txt_y, txt_x);
+		    rc = getnstr(buffer, limit);
+		}
+		break;
+	    case eMvGetStr:
+		if (txtwin != stdscr) {
+		    rc = mvwgetstr(txtwin, txt_y, txt_x, buffer);
+		} else {
+		    rc = mvgetstr(txt_y, txt_x, buffer);
+		}
+		break;
+	    case eMvGetNStr:
+		if (txtwin != stdscr) {
+		    rc = mvwgetnstr(txtwin, txt_y, txt_x, buffer, limit);
+		} else {
+		    rc = mvgetnstr(txt_y, txt_x, buffer, limit);
+		}
+		break;
+	    case eMaxFlavor:
+		break;
+	    }
+	    noecho();
+	    (void) wattrset(txtwin, A_NORMAL);
+	    wprintw(strwin, "%s:%s", ok_keyname(rc), buffer);
+	    wnoutrefresh(strwin);
+	    break;
+	default:
+	    beep();
+	    break;
+	}
+	doupdate();
+    }
+    if (level > 1) {
+	delwin(txtwin);
+	delwin(txtbox);
+    }
+    return TRUE;
+}
+
+int
+main(int argc, char *argv[])
+{
+    WINDOW *chrbox;
+    WINDOW *strwin;
+
+    setlocale(LC_ALL, "");
+
+    if (argc < 2) {
+	fprintf(stderr, "usage: %s file\n", argv[0]);
+	return EXIT_FAILURE;
+    }
+
+    initscr();
+
+    chrbox = derwin(stdscr, BASE_Y, COLS, 0, 0);
+    box(chrbox, 0, 0);
+    wnoutrefresh(chrbox);
+
+    strwin = derwin(chrbox, 4, COLS - 2, 1, 1);
+
+    test_getstr(1, argv, strwin);
+
+    endwin();
+    ExitProgram(EXIT_SUCCESS);
+}
+
+#else
+int
+main(void)
+{
+    printf("This program requires the curses chgat function\n");
+    ExitProgram(EXIT_FAILURE);
+}
+#endif