From a613ff8a73585b55359e9b7128b4a30665b1f191 Mon Sep 17 00:00:00 2001
Author: Leon Bottou <leon@bottou.org> 
Date:   Thu Jun 27 18:38:03 2019 -0400

---
 libdjvu/GString.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libdjvu/GString.cpp b/libdjvu/GString.cpp
index 181c0b2..f71e6b3 100644
--- a/libdjvu/GString.cpp
+++ b/libdjvu/GString.cpp
@@ -1212,11 +1212,11 @@ GP<GStringRep>
 GStringRep::getbuf(int n) const
 {
   GP<GStringRep> retval;
-  if(n< 0)
+  if(n < 0)
     n=strlen(data);
-  if(n>0)
+  if(n >= 0)
   {
-    retval=blank(n);
+    retval=blank((n>0) ? n : 1);
     char *ndata=retval->data;
     strncpy(ndata,data,n);
     ndata[n]=0;
-- 
2.23.0