sh: Make exit without parameters from EXIT trap POSIX-compliant.

It should use the original exit status, just like falling off the
end of the trap handler.

Outside an EXIT trap, 'exit' is still equivalent to 'exit $?'.

1 files changed, 2 insertions, 5 deletions

diff --git a/bin/sh/main.c b/bin/sh/main.c
index 9298f69..88483b0 100644
--- a/bin/sh/main.c
+++ b/bin/sh/main.c
@@ -341,10 +341,7 @@ exitcmd(int argc, char **argv)
 	if (stoppedjobs())
 		return 0;
 	if (argc > 1)
-		exitstatus = number(argv[1]);
+		exitshell(number(argv[1]));
 	else
-		exitstatus = oexitstatus;
-	exitshell(exitstatus);
-	/*NOTREACHED*/
-	return 0;
+		exitshell_savedstatus();
 }