Back out all POSIXified *env() changes.

Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and resistance so lost any desire to continue that.

Anyone who interested in POSIX can dig out what changes and how
through cvs diffs.

1 files changed, 3 insertions, 3 deletions

diff --git a/usr.bin/env/env.c b/usr.bin/env/env.c
index b5866ef..815976f 100644
--- a/usr.bin/env/env.c
+++ b/usr.bin/env/env.c
@@ -64,7 +64,7 @@ static void usage(void);
 int
 main(int argc, char **argv)
 {
-	char *altpath, **ep, **parg;
+	char *altpath, **ep, *p, **parg;
 	char *cleanenv[1];
 	int ch, want_clear;
 
@@ -102,10 +102,10 @@ main(int argc, char **argv)
 		if (env_verbosity)
 			fprintf(stderr, "#env clearing environ\n");
 	}
-	for (argv += optind; *argv && strchr(*argv, '=') != NULL; ++argv) {
+	for (argv += optind; *argv && (p = strchr(*argv, '=')); ++argv) {
 		if (env_verbosity)
 			fprintf(stderr, "#env setenv:\t%s\n", *argv);
-		(void)putenv(strdup(*argv));
+		(void)setenv(*argv, ++p, 1);
 	}
 	if (*argv) {
 		if (altpath)