ncurses 6.1 - patch 20180929

[ncurses.git] / test / redraw.c

diff --git a/test/redraw.c b/test/redraw.c
index b74c6e53739c9ec6d141c3794d9df89656ac8106..7d06cad8aca35a45adc9e36a893196516f7fdc46 100644 (file)
--- a/test/redraw.c
+++ b/test/redraw.c
@@ -26,7 +26,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: redraw.c,v 1.9 2017/04/15 19:57:47 tom Exp $
+ * $Id: redraw.c,v 1.10 2017/06/24 14:04:57 tom Exp $
  *
  * Demonstrate the redrawwin() and wredrawln() functions.
  * Thomas Dickey - 2006/11/4
@@ -185,10 +185,52 @@ test_redraw(WINDOW *win)
     }
 }
 
+static void
+usage(void)
+{
+    static const char *tbl[] =
+    {
+       "Usage: redraw [options]"
+       ,""
+       ,"Options:"
+       ,"  -e      use stderr (default stdout)"
+       ,"  -n      do not initialize terminal"
+    };
+    unsigned n;
+    for (n = 0; n < SIZEOF(tbl); ++n)
+       fprintf(stderr, "%s\n", tbl[n]);
+    ExitProgram(EXIT_FAILURE);
+}
+
 int
 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 {
-    initscr();
+    int ch;
+    bool no_init = FALSE;
+    FILE *my_fp = stdout;
+
+    while ((ch = getopt(argc, argv, "en")) != -1) {
+       switch (ch) {
+       case 'e':
+           my_fp = stderr;
+           break;
+       case 'n':
+           no_init = TRUE;
+           break;
+       default:
+           usage();
+           break;
+       }
+    }
+    if (optind < argc)
+       usage();
+
+    if (no_init) {
+       START_TRACE();
+    } else {
+       newterm((char *) 0, my_fp, stdin);
+    }
+
     raw();
     noecho();
     test_redraw(stdscr);