--- old/usr/src/cmd/ssh/libopenbsd-compat/common/realpath.c	2016-08-16 20:41:33.313819537 -0400
+++ /dev/null	2016-08-16 20:41:33.000000000 -0400
@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 1994
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "includes.h"
-
-#if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: realpath.c,v 1.7 2002/05/24 21:22:37 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-/*
- * MAXSYMLINKS
- */
-#ifndef MAXSYMLINKS
-#define MAXSYMLINKS 5
-#endif
-
-/*
- * char *realpath(const char *path, char resolved_path[MAXPATHLEN]);
- *
- * Find the real name of path, by removing all ".", ".." and symlink
- * components.  Returns (resolved) on success, or (NULL) on failure,
- * in which case the path which caused trouble is left in (resolved).
- */
-char *
-realpath(const char *path, char *resolved)
-{
-	struct stat sb;
-	int fd, n, rootd, serrno = 0;
-	char *p, *q, wbuf[MAXPATHLEN], start[MAXPATHLEN];
-	int symlinks = 0;
-
-	/* Save the starting point. */
-	getcwd(start,MAXPATHLEN);	
-	if ((fd = open(".", O_RDONLY)) < 0) {
-		(void)strlcpy(resolved, ".", MAXPATHLEN);
-		return (NULL);
-	}
-	close(fd);
-
-	/* Convert "." -> "" to optimize away a needless lstat() and chdir() */
-	if (path[0] == '.' && path[1] == '\0')
-		path = "";
-
-	/*
-	 * Find the dirname and basename from the path to be resolved.
-	 * Change directory to the dirname component.
-	 * lstat the basename part.
-	 *     if it is a symlink, read in the value and loop.
-	 *     if it is a directory, then change to that directory.
-	 * get the current directory name and append the basename.
-	 */
-	strlcpy(resolved, path, MAXPATHLEN);
-loop:
-	q = strrchr(resolved, '/');
-	if (q != NULL) {
-		p = q + 1;
-		if (q == resolved)
-			q = "/";
-		else {
-			do {
-				--q;
-			} while (q > resolved && *q == '/');
-			q[1] = '\0';
-			q = resolved;
-		}
-		if (chdir(q) < 0)
-			goto err1;
-	} else
-		p = resolved;
-
-	/* Deal with the last component. */
-	if (*p != '\0' && lstat(p, &sb) == 0) {
-		if (S_ISLNK(sb.st_mode)) {
-			if (++symlinks > MAXSYMLINKS) {
-				serrno = ELOOP;
-				goto err1;
-			}
-			n = readlink(p, resolved, MAXPATHLEN-1);
-			if (n < 0)
-				goto err1;
-			resolved[n] = '\0';
-			goto loop;
-		}
-		if (S_ISDIR(sb.st_mode)) {
-			if (chdir(p) < 0)
-				goto err1;
-			p = "";
-		}
-	}
-
-	/*
-	 * Save the last component name and get the full pathname of
-	 * the current directory.
-	 */
-	(void)strlcpy(wbuf, p, sizeof wbuf);
-	if (getcwd(resolved, MAXPATHLEN) == 0)
-		goto err1;
-
-	/*
-	 * Join the two strings together, ensuring that the right thing
-	 * happens if the last component is empty, or the dirname is root.
-	 */
-	if (resolved[0] == '/' && resolved[1] == '\0')
-		rootd = 1;
-	else
-		rootd = 0;
-
-	if (*wbuf) {
-		if (strlen(resolved) + strlen(wbuf) + rootd + 1 > MAXPATHLEN) {
-			serrno = ENAMETOOLONG;
-			goto err1;
-		}
-		if (rootd == 0)
-			(void)strcat(resolved, "/");
-		(void)strcat(resolved, wbuf);
-	}
-
-	/* Go back to where we came from. */
-	if (chdir(start) < 0) {
-		serrno = errno;
-		goto err2;
-	}
-	return (resolved);
-
-err1:	chdir(start);
-err2:	errno = serrno;
-	return (NULL);
-}
-#endif /* !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH) */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
