ncurses 6.4 - patch 20240420

[ncurses.git] / test / railroad.c

diff --git a/test/railroad.c b/test/railroad.c
index 696ae73afbed9ea763aff03213cea03d1ba5a047..4d7c0700de5f1401fbe296e8eb3abfbc32841c40 100644 (file)
--- a/test/railroad.c
+++ b/test/railroad.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2000-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright 2019-2020,2022 Thomas E. Dickey                                *
+ * Copyright 2000-2013,2017 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            *
@@ -29,7 +30,7 @@
 /*
  * Author: Thomas E. Dickey - 2000
  *
- * $Id: railroad.c,v 1.18 2009/10/10 16:14:42 tom Exp $
+ * $Id: railroad.c,v 1.26 2022/12/11 00:12:13 tom Exp $
  *
  * A simple demo of the termcap interface.
  */
@@ -55,16 +56,20 @@ static char *backup;
 
 static bool interrupted = FALSE;
 
-static int
-outc(TPUTS_ARG c)
+static
+TPUTS_PROTO(outc, c)
 {
+    int rc = OK;
+
     if (interrupted) {
        char tmp = (char) c;
-       write(STDOUT_FILENO, &tmp, 1);
+       if (write(STDOUT_FILENO, &tmp, (size_t) 1) == -1)
+           rc = ERR;
     } else {
-       putc(c, stdout);
+       if (putc(c, stdout) == EOF)
+           rc = ERR;
     }
-    return 0;
+    TPUTS_RETURN(rc);
 }
 
 static void
@@ -109,7 +114,7 @@ static void
 ShowSign(char *string)
 {
     char *base = string;
-    int ch, first, last;
+    int first, last;
 
     if (moveit != 0) {
        tputs(tgoto(moveit, 0, height - 1), 1, outc);
@@ -117,7 +122,7 @@ ShowSign(char *string)
     }
 
     while (*string != 0) {
-       ch = *string;
+       int ch = *string;
        if (ch != ' ') {
            if (moveit != 0) {
                for (first = length - 2; first >= (string - base); first--) {
@@ -183,10 +188,17 @@ railroad(char **args)
     NCURSES_CONST char *name = getenv("TERM");
     char buffer[1024];
     char area[1024], *ap = area;
+    int z;
 
     if (name == 0)
+#ifdef EXP_WIN32_DRIVER
+       name = "ms-terminal";
+#else
        name = "dumb";
-    if (tgetent(buffer, name) >= 0) {
+#endif
+
+    InitAndCatch(z = tgetent(buffer, name), onsig);
+    if (z >= 0) {
 
        wipeit = tgetstr("ce", &ap);
        height = tgetnum("li");
@@ -216,8 +228,6 @@ railroad(char **args)
 
        MyShowCursor(0);
 
-       CATCHALL(onsig);
-
        while (*args) {
            ShowSign(*args++);
        }
@@ -225,11 +235,44 @@ railroad(char **args)
     }
 }
 
+static void
+usage(int ok)
+{
+    static const char *msg[] =
+    {
+       "Usage: railroad [options]"
+       ,""
+       ,USAGE_COMMON
+    };
+    size_t n;
+
+    for (n = 0; n < SIZEOF(msg); n++)
+       fprintf(stderr, "%s\n", msg[n]);
+
+    ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
 int
 main(int argc, char *argv[])
 {
-    if (argc > 1) {
-       railroad(argv + 1);
+    int ch;
+
+    while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+       switch (ch) {
+       case OPTS_VERSION:
+           show_version(argv);
+           ExitProgram(EXIT_SUCCESS);
+       default:
+           usage(ch == OPTS_USAGE);
+           /* NOTREACHED */
+       }
+    }
+
+    if (optind < argc) {
+       railroad(argv + optind);
     } else {
        static char world[] = "Hello World";
        static char *hello[] =
@@ -241,8 +284,7 @@ main(int argc, char *argv[])
 
 #else
 int
-main(int argc GCC_UNUSED,
-     char *argv[]GCC_UNUSED)
+main(void)
 {
     printf("This program requires termcap\n");
     exit(EXIT_FAILURE);