Added console wrapper file (conwrap.c/conwrap.h) that contains cmartin's getch/kbhit for Unix.

src/sbbs3/chksmb.c

@@ -35,18 +35,14 @@
  * Note: If this box doesn't appear square, then you need to fix your tabs.	*
  ****************************************************************************/
 
-/* OS-specific */
-#if defined(__MSDOS__) || defined (_WIN32)
-	#include <dos.h>
-	#include <conio.h>	/* getch */
-#endif
-
 /* ANSI */
+#include <string.h>		/* strrchr */
 #include <time.h>		/* ctime */
 
 /* SMB-specific */
 #include "smblib.h"
 #include "smbwrap.h"
+#include "conwrap.h"	/* getch */
 
 /****************************************************************************/
 /* Returns in 'string' a character representation of the number in l with   */

src/sbbs3/conwrap.c

+/*
+	conwrap.c -- To give DOS's getch() function to Linux for use in Synchronet
+    Casey Martin 2000
+*/
+
+/* $Id$ */
+
+/* @format.tab-size 4, @format.use-tabs true */
+
+#ifndef __unix__
+    // This *should* work for most unices, as termios is pretty standard
+	#error This file is only to be used in a UNIX build
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <termios.h>
+#include <sys/kd.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <signal.h>
+
+#include "conwrap.h"	// Verify prototypes
+
+struct termios current;            // our current term settings
+struct termios original;           // old termios settings
+struct timeval timeout = {0, 0};   // passed in select() call
+fd_set inp;                        // ditto
+int beensetup = 0;                 // has _termios_setup() been called?
+
+/*
+	I'm using a variable function here simply for the sake of speed.  The
+    termios functions must be called before a kbhit() can be successful, so
+    on the first call, we just set up the terminal, point to variable function
+    to kbhit_norm(), and then call the new function.  Otherwise, testing would
+	be required on every call to determine if termios has already been setup.
+
+    Maybe I'm being way too anal, though.
+*/
+
+/* Resets the termios to its previous state */
+void _termios_reset(void)
+{
+	tcsetattr(0, TCSANOW, &original);
+}
+
+/************************************************
+  This pair of functions handles Ctrl-Z presses
+************************************************/
+
+void _sighandler_stop(int sig)
+{
+    // clean up the terminal
+    _termios_reset();
+
+    // ... and stop
+	kill(getpid(), SIGSTOP);
+}
+
+void _sighandler_cont(int sig)
+{
+    // restore terminal
+	tcsetattr(0, TCSANOW, &current);
+}
+
+
+/* Prepares termios for non-blocking action */
+void _termios_setup(void)
+{
+	beensetup = 1;
+    
+	tcgetattr(0, &original);
+  
+	memcpy(&current, &original, sizeof(struct termios));
+	current.c_cc[VMIN] = 1;           // read() will return with one char
+	current.c_cc[VTIME] = 0;          // read() blocks forever
+	current.c_lflag &= ~ICANON;       // character mode
+    current.c_lflag &= ~ECHO;         // turn off echoing
+	tcsetattr(0, TCSANOW, &current);
+
+    // Let's install an exit function, also.  This way, we can reset
+    // the termios silently
+    atexit(_termios_reset);
+
+    // install the Ctrl-Z handler
+    signal(SIGSTOP, _sighandler_stop);
+    signal(SIGCONT, _sighandler_cont);
+}
+
+
+int kbhit(void)
+{
+	// set up select() args
+	FD_ZERO(&inp);
+	FD_SET(0, &inp);
+
+	return select(1, &inp, NULL, NULL, &timeout);
+}
+
+int getch(void)
+{
+	char c;
+
+    if (!beensetup)
+    	// I hate to test for this every time, but this shouldn't be
+        // called that often anyway...
+    	_termios_setup();
+
+    // get a char out of stdin
+    read(0, &c, 1);
+
+    return c;
+}
+
+
+

src/sbbs3/conwrap.h

+/* conwrap.h */
+
+/* Synchronet local console I/O wrapppers */
+
+/* $Id$ */
+
+/****************************************************************************
+ * @format.tab-size 4		(Plain Text/Source Code File Header)			*
+ * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
+ *																			*
+ * Copyright 2000 Rob Swindell - http://www.synchro.net/copyright.html		*
+ *																			*
+ * 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.					*
+ * See the GNU General Public License for more details: gpl.txt or			*
+ * http://www.fsf.org/copyleft/gpl.html										*
+ *																			*
+ * Anonymous FTP access to the most recent released source is available at	*
+ * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
+ *																			*
+ * Anonymous CVS access to the development source and modification history	*
+ * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
+ *     (just hit return, no password is necessary)							*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
+ *																			*
+ * For Synchronet coding style and modification guidelines, see				*
+ * http://www.synchro.net/source.html										*
+ *																			*
+ * You are encouraged to submit any modifications (preferably in Unix diff	*
+ * format) via e-mail to mods@synchro.net									*
+ *																			*
+ * Note: If this box doesn't appear square, then you need to fix your tabs.	*
+ ****************************************************************************/
+
+#ifndef _CONWRAP_H
+#define _CONWRAP_H
+
+#ifdef __unix__
+
+	int kbhit(void);
+	int getch(void);
+
+#else	/* DOS-Based */
+
+	#include <conio.h>
+
+#endif
+
+#endif	/* _CONWRAP_H */