From d76862055edfbb84189bb82bfe7ed3d936eb4e30 Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Sun, 19 Sep 2010 14:09:12 +0000
Subject: [PATCH] cp_unqoute(), avoid segfault when applied to a single quote
 "\""

---
 ChangeLog            | 13 ++++++++++++-
 src/frontend/quote.c |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index efaaeb70b..b64c944fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,18 @@
+2010-09-19  Robert Larice
+ * src/frontend/quote.c :
+    cp_unqoute(), avoid segfault when applied to a single quote "\""
+    testcase:
+      .control
+      echo "--"
+      .endc
+    FIXME, still not completely done,
+      inp_stripcomments_line()
+    will fail on comments inside of strings
+
 2010-09-19 Holger Vogt
  * src/spinit.in, configure.ac: allow lib64 in spinit (bug no. 3054424)
    if libdir contains lib64
- * compile_min.sh: new script for compiling MINGW 32 and 64 bit  
+ * compile_min.sh: new script for compiling MINGW 32 and 64 bit
 
 2010-09-18 Holger Vogt
  * src/XSPICE/icm/makedefs.in: external LDFLAGS enabled for MINGW
diff --git a/src/frontend/quote.c b/src/frontend/quote.c
index 3747b28e4..b81a501a9 100644
--- a/src/frontend/quote.c
+++ b/src/frontend/quote.c
@@ -81,7 +81,7 @@ cp_unquote(char *string)
 	l = strlen(string);
 	s = (char*) MALLOC(l+1);
 	
-	if (*string == '"' && string[l-1] == '"') {
+	if (l>=2 && *string == '"' && string[l-1] == '"') {
 	    strncpy(s,string+1,l-2);
 	    s[l-2] = '\0';
 	} else