From 4a4b9e305d39dc4be0d1497eab81d432a831dbf4 Mon Sep 17 00:00:00 2001
From: Michael Marshall <43034299+mmphys@users.noreply.github.com>
Date: Thu, 30 Apr 2020 19:40:04 +0100
Subject: [PATCH] Fix: strToVec enters infinite loop and exhausts memory if
 operator>> fails before the end of string, e.g. if parsing "0_0_0" for
 momentum instead of "0 0 0".

---
 Grid/serialisation/VectorUtils.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Grid/serialisation/VectorUtils.h b/Grid/serialisation/VectorUtils.h
index a5a73992..dd5ff0b8 100644
--- a/Grid/serialisation/VectorUtils.h
+++ b/Grid/serialisation/VectorUtils.h
@@ -432,12 +432,10 @@ namespace Grid {
   std::vector<T> strToVec(const std::string s)
   {
     std::istringstream sstr(s);
-    T                  buf;
     std::vector<T>     v;
     
-    while(!sstr.eof())
+    for(T buf; sstr >> buf;)
     {
-      sstr >> buf;
       v.push_back(buf);
     }