From ba1c5d3191da1effbcd8af6ab0df56b886578527 Mon Sep 17 00:00:00 2001
From: Richard Berger <richard.berger@temple.edu>
Date: Wed, 5 Sep 2018 21:39:09 -0400
Subject: [PATCH] Avoid buffer overflow during errors with long filenames

---
 src/error.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/error.cpp b/src/error.cpp
index 3feaf1d1ac..913239ac49 100644
--- a/src/error.cpp
+++ b/src/error.cpp
@@ -75,7 +75,7 @@ void Error::universe_all(const char *file, int line, const char *str)
   update->whichflag = 0;
 
   char msg[100];
-  sprintf(msg, "ERROR: %s (%s:%d)\n", str, file, line);
+  snprintf(msg, 100, "ERROR: %s (%s:%d)\n", str, truncpath(file), line);
   throw LAMMPSException(msg);
 #else
   MPI_Finalize();
@@ -100,7 +100,7 @@ void Error::universe_one(const char *file, int line, const char *str)
   update->whichflag = 0;
 
   char msg[100];
-  sprintf(msg, "ERROR: %s (%s:%d)\n", str, file, line);
+  snprintf(msg, 100, "ERROR: %s (%s:%d)\n", str, truncpath(file), line);
   throw LAMMPSAbortException(msg, universe->uworld);
 #else
   MPI_Abort(universe->uworld,1);
@@ -151,7 +151,7 @@ void Error::all(const char *file, int line, const char *str)
   update->whichflag = 0;
 
   char msg[100];
-  sprintf(msg, "ERROR: %s (%s:%d)\n", str, file, line);
+  snprintf(msg, 100, "ERROR: %s (%s:%d)\n", str, truncpath(file), line);
 
   if (universe->nworlds > 1) {
     throw LAMMPSAbortException(msg, universe->uworld);
@@ -201,7 +201,7 @@ void Error::one(const char *file, int line, const char *str)
   update->whichflag = 0;
 
   char msg[100];
-  sprintf(msg, "ERROR on proc %d: %s (%s:%d)\n", me, str, file, line);
+  snprintf(msg, 100, "ERROR on proc %d: %s (%s:%d)\n", me, str, truncpath(file), line);
   throw LAMMPSAbortException(msg, world);
 #else
   MPI_Abort(world,1);