From e5c77eaa6612ef5026ad84a4af8022f47d425c82 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Thu, 24 Mar 2016 21:12:52 -0400
Subject: eshtrans/eshrt: Collapse case constructs in __fn_ctxsw()

---
diff --git a/eshtrans/eshrt/eshrtbegin.esh b/eshtrans/eshrt/eshrtbegin.esh
index eb0d517..23cf542 100644
--- a/eshtrans/eshrt/eshrtbegin.esh
+++ b/eshtrans/eshrt/eshrtbegin.esh
@@ -69,29 +69,25 @@ __frame_get()
 __fn_ctxsw()
 {
 	unset IFS
-	case "${__prev_tu}" in
-		${__fn_tu});;
-		?*)
-			# Unset static variables and functions from previous TU.
-			eval "__val=\${__${__prev_tu}_static_vars}"
-			case "${__val}" in ?*)
-				eval "unset \${__${__prev_tu}_static_vars}"
-			;; esac
-			eval "__val=\${__${__prev_tu}_static_fns}"
-			for __fn in ${__val}; do
-				unset -f "${__fn%:*}"
-			done
+	case "${__prev_tu}" in ${__fn_tu});; ?*)
+		# Unset static variables and functions from previous TU.
+		eval "__val=\${__${__prev_tu}_static_vars}"
+		case "${__val}" in ?*)
+			eval "unset \${__${__prev_tu}_static_vars}"
+		;; esac
+		eval "__val=\${__${__prev_tu}_static_fns}"
+		for __fn in ${__val}; do
+			unset -f "${__fn%:*}"
+		done
 	;; esac
-	case "${__fn_tu}" in
-		${__prev_tu});;
-		?*)
-			# Set static variables and function for the current TU.
-			eval "__val=\${__${__fn_tu}_static_var_vals}"
-			eval "${__val}"
-			eval "__val=\${__${__fn_tu}_static_fns}"
-			for __fn in ${__val}; do
-				eval "${__fn%:*}() { ${__fn#*:}; }"
-			done
+	case "${__fn_tu}" in ${__prev_tu});; ?*)
+		# Set static variables and function for the current TU.
+		eval "__val=\${__${__fn_tu}_static_var_vals}"
+		eval "${__val}"
+		eval "__val=\${__${__fn_tu}_static_fns}"
+		for __fn in ${__val}; do
+			eval "${__fn%:*}() { ${__fn#*:}; }"
+		done
 	;; esac
 	case "${__prev_vars}" in ?*)
 		unset ${__prev_vars}
--
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