From 39854f9aa993ef08a49d5ad5d3b6d69d3371e8e3 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 27 Feb 2016 21:56:21 -0500
Subject: eshtrans/frontend: Fix lungetc()

---
(limited to 'eshtrans')

diff --git a/eshtrans/frontend/lexer.esh b/eshtrans/frontend/lexer.esh
index f43b47d..6120128 100644
--- a/eshtrans/frontend/lexer.esh
+++ b/eshtrans/frontend/lexer.esh
@@ -92,14 +92,16 @@ lgetc()
 		c=''
 	else
 		eval "c=\${lbufv_${lbufi}}"
+		#echo "LGETC:$lineno: $lbufi '$c'" >&2
 		lbufi=$((${lbufi} + 1))
 	fi
 }
 
 lungetc()
 {
-	lbufi=$((${lbufi} - 2))
+	lbufi=$((${lbufi} - 1))
 	eval "c=\${lbufv_${lbufi}}"
+	#echo "LUNGETC:$lineno: $lbufi '$c'" >&2
 	lbufi=$((${lbufi} + 1))
 }
 
@@ -110,6 +112,7 @@ lsetc()
 	else
 		lbufi=$((${lbufi} - 1))
 		eval "c=\${lbufv_${lbufi}}"
+		#echo "LSETC:$lineno: $lbufi '$c'" >&2
 		lbufi=$((${lbufi} + 1))
 	fi
 }
--
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