From 6fc35cb79a8a97408da899b52b0859e1662e2076 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Fri, 26 Feb 2016 18:24:56 -0500
Subject: eshld/eshrt: Lose all command substitutions in ctxsw

---
(limited to 'eshld')

diff --git a/eshld/eshrt.esh b/eshld/eshrt.esh
index 3d86b79..14f634b 100644
--- a/eshld/eshrt.esh
+++ b/eshld/eshrt.esh
@@ -72,13 +72,12 @@ __fn_ctxsw()
 		${__fn_tu});;
 		?*)
 			# Unset static variables and functions from previous TU.
-			case "$(eval "printf '%s' \
-					\"\${__${__prev_tu}_static_vars}\"")" \
-					in ?*)
+			eval "__val=\${__${__prev_tu}_static_vars}"
+			case "${__val}" in ?*)
 				eval "unset \${__${__prev_tu}_static_vars}"
 			;; esac
-			for __fn in $(eval printf '%s' \
-					"\"\${__${__prev_tu}_static_fns}\""); do
+			eval "__val=\${__${__prev_tu}_static_fns}"
+			for __fn in ${__val}; do
 				unset -f "${__fn%:*}"
 			done
 	;; esac
@@ -88,8 +87,8 @@ __fn_ctxsw()
 			# Set static variables and function for the current TU.
 			eval "__val=\${__${__fn_tu}_static_var_vals}"
 			eval "${__val}"
-			for __fn in $(eval printf '%s' \
-					"\"\${__${__fn_tu}_static_fns}\""); do
+			eval "__val=\${__${__fn_tu}_static_fns}"
+			for __fn in ${__val}; do
 				eval "${__fn%:*}() { ${__fn#*:}; }"
 			done
 	;; esac
--
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