From 581fc205166c171f794eab4e8d98962cdd1d4e0c Mon Sep 17 00:00:00 2001
From: Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com>
Date: Wed, 29 May 2019 22:37:29 -0500
Subject: usr.bin/env: make buildable

---
 usr.bin/env/env.c | 53 ++++++++++++++++++++---------------------------------
 1 file changed, 20 insertions(+), 33 deletions(-)

diff --git a/usr.bin/env/env.c b/usr.bin/env/env.c
index bf2430d..84567fd 100644
--- a/usr.bin/env/env.c
+++ b/usr.bin/env/env.c
@@ -27,21 +27,11 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1988, 1993, 1994\
- The Regents of the University of California.  All rights reserved.");
-#endif /* not lint */
-
-#ifndef lint
-/*static char sccsid[] = "@(#)env.c	8.3 (Berkeley) 4/2/94";*/
-__RCSID("$NetBSD: env.c,v 1.20 2010/11/16 02:53:49 christos Exp $");
-#endif /* not lint */
-
 #include <err.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <bsd/stdlib.h>
 #include <unistd.h>
 #include <locale.h>
 #include <errno.h>
@@ -59,34 +49,31 @@ main(int argc, char **argv)
 
 	setprogname(*argv);
 	(void)setlocale(LC_ALL, "");
+	*argv++;
 
-	while ((ch = getopt(argc, argv, "-i")) != -1)
-		switch((char)ch) {
-		case '-':			/* obsolete */
-		case 'i':
-			environ = cleanenv;
-			cleanenv[0] = NULL;
-			break;
-		case '?':
-		default:
-			usage();
-		}
+	if (*argv && (!strcmp(*argv, "-i"))) {
+		environ = cleanenv;
+		cleanenv[0] = NULL;
+		*argv++;
+	}
 
-	for (argv += optind; *argv && strchr(*argv, '=') != NULL; ++argv)
-		(void)putenv(*argv);
+	if (*argv != NULL) {
+		for (; *argv && strchr(*argv, '=') != NULL; ++argv)
+			(void)putenv(*argv);
 
-	if (*argv) {
-		/* return 127 if the command to be run could not be found; 126
-		   if the command was found but could not be invoked */
+		if (*argv) {
+			/* return 127 if the command to be run could not be found; 126
+			if the command was found but could not be invoked */
 
-		(void)execvp(*argv, argv);
-		err((errno == ENOENT) ? 127 : 126, "%s", *argv);
-		/* NOTREACHED */
+			(void)execvp(*argv, argv);
+			err((errno == ENOENT) ? 127 : 126, "%s", *argv);
+			/* NOTREACHED */
+		}
+	} else {
+		for (ep = environ; *ep; ep++)
+			(void)printf("%s\n", *ep);
 	}
 
-	for (ep = environ; *ep; ep++)
-		(void)printf("%s\n", *ep);
-
 	exit(0);
 }
 
-- 
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