From 75d9a18fc008017238ea71af4e6e96f49d4ac127 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Sun, 12 Nov 2017 14:23:46 +0100
Subject: [PATCH] VIEW_LIB_FRAME: catch exceptions for invalid libraries

---
 eeschema/viewlib_frame.cpp | 6 +++++-
 eeschema/viewlibs.cpp      | 8 +++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/eeschema/viewlib_frame.cpp b/eeschema/viewlib_frame.cpp
index 2f301dc2c7..85a5b5abf8 100644
--- a/eeschema/viewlib_frame.cpp
+++ b/eeschema/viewlib_frame.cpp
@@ -495,7 +495,11 @@ bool LIB_VIEW_FRAME::ReCreateListCmp()
 
     wxArrayString aliasNames;
 
-    Prj().SchSymbolLibTable()->EnumerateSymbolLib( m_libraryName, aliasNames, m_listPowerCmpOnly );
+    try
+    {
+        Prj().SchSymbolLibTable()->EnumerateSymbolLib( m_libraryName, aliasNames, m_listPowerCmpOnly );
+    }
+    catch( const IO_ERROR& e ) {}   // ignore, it is handled below
 
     if( aliasNames.IsEmpty() )
     {
diff --git a/eeschema/viewlibs.cpp b/eeschema/viewlibs.cpp
index a73999d98f..fce60b5106 100644
--- a/eeschema/viewlibs.cpp
+++ b/eeschema/viewlibs.cpp
@@ -193,7 +193,13 @@ void LIB_VIEW_FRAME::DisplayLibInfos()
 void LIB_VIEW_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
 {
     LIB_ID id( m_libraryName, m_entryName );
-    LIB_ALIAS* entry = Prj().SchSymbolLibTable()->LoadSymbol( id );
+    LIB_ALIAS* entry = nullptr;
+
+    try
+    {
+        entry = Prj().SchSymbolLibTable()->LoadSymbol( id );
+    }
+    catch( const IO_ERROR& e ) {} // ignore, it is handled below
 
     if( !entry )
         return;