$NetBSD: patch-aw,v 1.4 2015/11/07 21:47:07 dholland Exp $

- Use standard headers.
- Throw out a raft of legacy sgtty/termio logic.
- Don't fail if NAME_MAX is missing.

--- src/unix.c.orig	2000-03-15 22:13:29.000000000 +0000
+++ src/unix.c
@@ -6,11 +6,14 @@
 
 #include <sys/types.h>
 #include <sys/param.h>
+#include <sys/ioctl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <pwd.h>
-#include <sys/dir.h>
+#include <dirent.h>
+#include <limits.h>
+#include <termios.h>
 #include <time.h>
 #include <unistd.h>
 #include "icb.h"
@@ -32,32 +35,10 @@ void	noecho (void);
 #undef stty
 #undef gtty
 
-#if defined(__linux__)
-#include <termios.h>
-#include <sys/ioctl.h>
 #define TTYSTRUCT termios
 #define stty(fd,buf) tcgetattr((fd), (buf))
 #define gtty(fd,buf) tcsetattr((fd), TCSANOW, (buf))
 #define SYSV
-#else 
-#ifndef SYSV
-
-#ifdef linux
-#include <bsd/sgtty.h>
-#else
-#include <sgtty.h>
-#endif
-
-#define TTYSTRUCT sgttyb
-#define stty(fd,buf) ioctl((fd),TIOCSETN,(buf))
-#define gtty(fd,buf) ioctl((fd),TIOCGETP,(buf))
-#else /* SYSV */
-#include <termio.h>
-#define TTYSTRUCT termio
-#define stty(fd,buf) ioctl((fd),TCSETA,(buf))
-#define gtty(fd,buf) ioctl((fd),TCGETA,(buf))
-#endif /* SYSV */
-#endif /* __linux__ */
 
 char *getlogin();
 
@@ -235,7 +216,11 @@ tildexpand (char *s)
 	struct passwd *pw;
 	char login[17];
 	char *p = login;
+#ifdef NAME_MAX
+	static char path[NAME_MAX + 1];
+#else
 	static char path[MAXNAMLEN+1];
+#endif
 
 	/* has to start with a tilde */
 	if (*s++ != '~')