--- old/usr/src/cmd/ssh/libopenbsd-compat/common/setenv.c	2016-08-16 20:41:34.041223702 -0400
+++ /dev/null	2016-08-16 20:41:34.000000000 -0400
@@ -1,166 +0,0 @@
-/*
- * Copyright (c) 1987 Regents of the University of California.
- * All rights reserved.
- *
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * 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"
-#ifndef HAVE_SETENV
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: setenv.c,v 1.4 2001/07/09 06:57:45 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include <stdlib.h>
-#include <string.h>
-
-/*
- * __findenv --
- *	Returns pointer to value associated with name, if any, else NULL.
- *	Sets offset to be the offset of the name/value combination in the
- *	environmental array, for use by setenv(3) and unsetenv(3).
- *	Explicitly removes '=' in argument name.
- *
- *	This routine *should* be a static; don't use it.
- */
-char *
-__findenv(name, offset)
-	register const char *name;
-	int *offset;
-{
-	extern char **environ;
-	register int len, i;
-	register const char *np;
-	register char **p, *cp;
-
-	if (name == NULL || environ == NULL)
-		return (NULL);
-	for (np = name; *np && *np != '='; ++np)
-		;
-	len = np - name;
-	for (p = environ; (cp = *p) != NULL; ++p) {
-		for (np = name, i = len; i && *cp; i--)
-			if (*cp++ != *np++)
-				break;
-		if (i == 0 && *cp++ == '=') {
-			*offset = p - environ;
-			return (cp);
-		}
-	}
-	return (NULL);
-}
-
-/*
- * setenv --
- *	Set the value of the environmental variable "name" to be
- *	"value".  If rewrite is set, replace any current value.
- */
-int
-setenv(name, value, rewrite)
-	register const char *name;
-	register const char *value;
-	int rewrite;
-{
-	extern char **environ;
-	static int alloced;			/* if allocated space before */
-	register char *C;
-	int l_value, offset;
-	char *__findenv();
-
-	if (*value == '=')			/* no `=' in value */
-		++value;
-	l_value = strlen(value);
-	if ((C = __findenv(name, &offset))) {	/* find if already exists */
-		if (!rewrite)
-			return (0);
-		if (strlen(C) >= l_value) {	/* old larger; copy over */
-			while ((*C++ = *value++))
-				;
-			return (0);
-		}
-	} else {					/* create new slot */
-		register int	cnt;
-		register char	**P;
-
-		for (P = environ, cnt = 0; *P; ++P, ++cnt);
-		if (alloced) {			/* just increase size */
-			P = (char **)realloc((void *)environ,
-			    (size_t)(sizeof(char *) * (cnt + 2)));
-			if (!P)
-				return (-1);
-			environ = P;
-		}
-		else {				/* get new space */
-			alloced = 1;		/* copy old entries into it */
-			P = (char **)malloc((size_t)(sizeof(char *) *
-			    (cnt + 2)));
-			if (!P)
-				return (-1);
-			memmove(P, environ, cnt * sizeof(char *));
-			environ = P;
-		}
-		environ[cnt + 1] = NULL;
-		offset = cnt;
-	}
-	for (C = (char *)name; *C && *C != '='; ++C);	/* no `=' in name */
-	if (!(environ[offset] =			/* name + `=' + value */
-	    malloc((size_t)((int)(C - name) + l_value + 2))))
-		return (-1);
-	/* LINTED */
-	for (C = environ[offset]; (*C = *name++) && *C != '='; ++C)
-		;
-	for (*C++ = '='; (*C++ = *value++); )
-		;
-	return (0);
-}
-
-/*
- * unsetenv(name) --
- *	Delete environmental variable "name".
- */
-void
-unsetenv(name)
-	const char	*name;
-{
-	extern char **environ;
-	register char **P;
-	int offset;
-	char *__findenv();
-
-	while (__findenv(name, &offset))		/* if set multiple times */
-		for (P = &environ[offset];; ++P)
-			/* LINTED */
-			if (!(*P = *(P + 1)))
-				break;
-}
-
-#endif /* HAVE_SETENV */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
