From c8de71ae9da30fcb01ec850354ad2c770f4353df Mon Sep 17 00:00:00 2001
From: Stephen Heumann <heumann1@illinois.edu>
Date: Sat, 8 Nov 2014 18:03:25 -0600
Subject: [PATCH] Changes so that hush can successfully re-execute itself:

*initialize the "environ" variable
*Reduce the stack size to 8192 (This should still be further reduced based on analysis of usage.)
---
 Makefile     | 2 +-
 shell/hush.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c10bec838..6f86edb56 100644
--- a/Makefile
+++ b/Makefile
@@ -98,7 +98,7 @@ DEFINES += -DF_SETFD=-1 -DFD_CLOEXEC=-1
 # Optimize bit 6 breaks some standard-compliant varargs code,
 # and bits 0, 4, and 5 have known bugs.  Disable for now.
 CFLAGS = -i -w -a0 -O8
-STACKSIZE = 20480
+STACKSIZE = 8192
 
 .IF $(DEBUG)
 CFLAGS += -g -DDEBUG
diff --git a/shell/hush.c b/shell/hush.c
index 4b4c33298..22a4cc12b 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -8034,6 +8034,9 @@ int hush_main(int argc, char **argv)
 
 	INIT_G();
 	hush_exec_path = get_exec_path();
+#ifdef __GNO__
+	environInit();
+#endif
 	if (EXIT_SUCCESS != 0) /* if EXIT_SUCCESS == 0, it is already done */
 		G.last_exitcode = EXIT_SUCCESS;
 #if ENABLE_HUSH_FAST