commit bab8cc9b05a2559759ec3252c6c519ca77479675
author Johnny Chen <johnny.chen@apple.com> Mon Dec 19 21:16:29 2011 +0000
committer Johnny Chen <johnny.chen@apple.com> Mon Dec 19 21:16:29 2011 +0000
tree f7440bf3cfc1c479cb107bbdd8cc3126b8580466
parent e0bd571a8050da2b3462c35c9f209cbc9755c750

Work in progress for:

rdar://problem/10577182
Audit lldb API impl for places where we need to perform a NULL check

Add NULL checks for SBCommandInterpreter APIs.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@146909 91177308-0d34-0410-b5e6-96231b3b80d8

source/API/SBCommandInterpreter.cpp

diff --git a/source/API/SBCommandInterpreter.cpp b/source/API/SBCommandInterpreter.cpp
index fe514cb..03f33c6 100644
--- a/source/API/SBCommandInterpreter.cpp
+++ b/source/API/SBCommandInterpreter.cpp
@@ -65,7 +65,7 @@
 bool
 SBCommandInterpreter::CommandExists (const char *cmd)
 {
-    if (m_opaque_ptr)
+    if (cmd && m_opaque_ptr)
         return m_opaque_ptr->CommandExists (cmd);
     return false;
 }
@@ -73,7 +73,7 @@
 bool
 SBCommandInterpreter::AliasExists (const char *cmd)
 {
-    if (m_opaque_ptr)
+    if (cmd && m_opaque_ptr)
         return m_opaque_ptr->AliasExists (cmd);
     return false;
 }
@@ -88,7 +88,7 @@
                      m_opaque_ptr, command_line, result.get(), add_to_history);
 
     result.Clear();
-    if (m_opaque_ptr)
+    if (command_line && m_opaque_ptr)
     {
         TargetSP target_sp(m_opaque_ptr->GetDebugger().GetSelectedTarget());
         Mutex::Locker api_locker;
@@ -98,7 +98,7 @@
     }
     else
     {
-        result->AppendError ("SBCommandInterpreter is not valid");
+        result->AppendError ("SBCommandInterpreter or the command line is not valid");
         result->SetStatus (eReturnStatusFailed);
     }