Simple stub to test SIGHUP etc. stuff in an easier way.

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@89 db0b04b0-f4d1-0310-9a6d-de3e77497b0e

nethackstub.c

@@ -0,0 +1,111 @@
+/* nethackstub.c
+ * Copyright (c) 2004 Jilles Tjoelker <jilles@stack.nl>
+ *
+ * This program is free software; you can redistribute it and/or modify 
+ * it under the terms of the GNU General Public License as published by 
+ * the Free Software Foundation; either version 2 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, 
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * GNU General Public License for more details. 
+ * 
+ * You should have received a copy of the GNU General Public License 
+ * along with this program; if not, write to the Free Software 
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * This program can be used instead of nethack to test dgamelaunch.
+ */
+
+static const char rcsid[] = "$Id: nethackstub.c,v 1.1 2004/01/05 14:01:03 jilles Exp $";
+
+#include <sys/types.h>
+
+#include <ctype.h>
+#include <signal.h>
+#include <unistd.h>
+
+void
+sighup(int sig)
+{
+    (void)sig;
+#define S "SIGHUP received.\n"
+    write(STDOUT_FILENO, S, -1 + sizeof S);
+#undef S
+}
+
+void
+sigterm(int sig)
+{
+    (void)sig;
+#define S "SIGTERM received.\n"
+    write(STDOUT_FILENO, S, -1 + sizeof S);
+#undef S
+}
+
+int
+main(int argc, char *argv[])
+{
+    char buf[256];
+    int showusage = 1, n, i;
+
+#define S "nethackstub started with arguments:\n"
+    write(STDOUT_FILENO, S, -1 + sizeof S);
+#undef S
+    for (i = 1; i < argc; i++)
+    {
+	write(STDOUT_FILENO, argv[i], strlen(argv[i]));
+#define S "\n"
+	write(STDOUT_FILENO, S, -1 + sizeof S);
+#undef S
+    }
+
+    signal(SIGHUP, sighup);
+    signal(SIGTERM, sigterm);
+
+    for (;;)
+    {
+	if (showusage)
+	{
+#define S "i: close stdin - o: close stdout/stderr - q: quit\n"
+	    write(STDOUT_FILENO, S, -1 + sizeof S);
+#undef S
+	}
+	n = read(STDIN_FILENO, buf, sizeof buf);
+	if (n <= 0)
+	    break;
+	for (i = 0; i < n; i++)
+	{
+	    switch (tolower(buf[i]))
+	    {
+		case 'i':
+		    close(STDIN_FILENO);
+		    break;
+		case 'o':
+		    close(STDOUT_FILENO);
+		    close(STDERR_FILENO);
+		    break;
+		case 'q':
+		    return 0;
+		    break;
+		case '\r':
+		case '\n':
+		case ' ':
+		    break;
+		default:
+		    showusage = 1;
+	    }
+	}
+    }
+
+    for (;;)
+	pause();
+
+    return 0;
+}
+
+/* vim:ts=8:cin:sw=4
+ */