set envvars via "env" to avoid spurious set -x output from bad shells

* tests/dd/misc: Set LC_ALL=C via env.
* tests/cp/thru-dangling: Set POSIXLY_CORRECT via env.
This is necessary at least on AIX 5.3.
Reported by Jeph Cowan and Ralf Wildenhues.  Details here:
http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/14235/focus=14257

diff --git a/tests/cp/thru-dangling b/tests/cp/thru-dangling
index 71b41cd..7caeed3 100755 (executable)
--- a/tests/cp/thru-dangling
+++ b/tests/cp/thru-dangling
@@ -38,7 +38,7 @@ compare err exp-err || fail=1
 test -f no-such && fail=1
 
 # But you can set POSIXLY_CORRECT to get the historical behavior.
-POSIXLY_CORRECT=1 cp f dangle > out 2>&1 || fail=1
+env POSIXLY_CORRECT=1 cp f dangle > out 2>&1 || fail=1
 cat no-such >> out || fail=1
 
 compare out exp || fail=1

diff --git a/tests/dd/misc b/tests/dd/misc
index e550d6a..04318f0 100755 (executable)
--- a/tests/dd/misc
+++ b/tests/dd/misc
@@ -89,7 +89,7 @@ outbytes=`echo x | dd bs=3 ibs=10 obs=10 conv=sync 2>/dev/null | wc -c`
 test "$outbytes" -eq 3 || fail=1
 
 (echo a; sleep .1; echo b) \
-  | LC_ALL=C dd bs=4 status=noxfer iflag=fullblock >out 2>err || fail=1
+  | env LC_ALL=C dd bs=4 status=noxfer iflag=fullblock >out 2>err || fail=1
 printf 'a\nb\n' > out_ok || framework_failure
 echo "1+0 records in
 1+0 records out" > err_ok || framework_failure