svn commit: r307958 - stable/11/usr.bin/printenv

[Pietro Cerutti]

Author: gahr (ports committer)
Date: Wed Oct 26 08:39:33 2016
New Revision: 307958
URL: https://svnweb.freebsd.org/changeset/base/307958

Log:
  MFC r307638:
  
  Chase a cornercase in printenv and sync its behaviour with builtin's
  
  The cornercase is when printenv is passed a parameter in the form
  VAR=val, where VAR=val exists in the environment. In this case, printenv would
  print a spurious newline and returns 0.
  
  Approved by:	cognet
  MFC after:		1 week

Modified:
  stable/11/usr.bin/printenv/printenv.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/usr.bin/printenv/printenv.c
==============================================================================
--- stable/11/usr.bin/printenv/printenv.c	Wed Oct 26 07:45:48 2016	(r307957)
+++ stable/11/usr.bin/printenv/printenv.c	Wed Oct 26 08:39:33 2016	(r307958)
@@ -83,8 +83,8 @@ main(int argc, char *argv[])
 	for (ep = environ; *ep; ep++)
 		if (!memcmp(*ep, *argv, len)) {
 			cp = *ep + len;
-			if (!*cp || *cp == '=') {
-				(void)printf("%s\n", *cp ? cp + 1 : cp);
+			if (*cp == '=') {
+				(void)printf("%s\n", cp + 1);
 				exit(0);
 			}
 		}