Make uses of /dev/null portable across OSes.

Most platforms have "/dev/null".  Windows has "nul".  Instead of
hardcoding the string /dev/null at various places, make a constant
that contains the correct value depending on the platform, and use
that everywhere instead.

llvm-svn: 250331

2 files changed, 7 insertions, 5 deletions

diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index 960730b32b7..84dc10a5afc 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -40,6 +40,7 @@
 #include "lldb/Core/Timer.h"
 #include "lldb/Core/Value.h"
 #include "lldb/DataFormatters/FormatManager.h"
+#include "lldb/Host/FileSystem.h"
 #include "lldb/Host/HostThread.h"
 #include "lldb/Host/StringConvert.h"
 #include "lldb/Host/Symbols.h"
@@ -1004,11 +1005,11 @@ ProcessGDBRemote::DoLaunch (Module *exe_module, ProcessLaunchInfo &launch_info)
             {
                 // set to /dev/null unless redirected to a file above
                 if (!stdin_file_spec)
-                    stdin_file_spec.SetFile("/dev/null", false);
+                    stdin_file_spec.SetFile(FileSystem::DEV_NULL, false);
                 if (!stdout_file_spec)
-                    stdout_file_spec.SetFile("/dev/null", false);
+                    stdout_file_spec.SetFile(FileSystem::DEV_NULL, false);
                 if (!stderr_file_spec)
-                    stderr_file_spec.SetFile("/dev/null", false);
+                    stderr_file_spec.SetFile(FileSystem::DEV_NULL, false);
             }
             else if (platform_sp && platform_sp->IsHost())
             {
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
index 704e851e72c..1b8e43dabd8 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -34,6 +34,7 @@
 #include "lldb/Core/ValueObject.h"
 #include "lldb/DataFormatters/TypeSummary.h"
 #include "lldb/Host/ConnectionFileDescriptor.h"
+#include "lldb/Host/FileSystem.h"
 #include "lldb/Host/HostInfo.h"
 #include "lldb/Host/Pipe.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
@@ -809,9 +810,9 @@ ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObjec
         else
         {
             input_file_sp.reset (new StreamFile ());
-            input_file_sp->GetFile().Open("/dev/null", File::eOpenOptionRead);
+            input_file_sp->GetFile().Open(FileSystem::DEV_NULL, File::eOpenOptionRead);
             output_file_sp.reset (new StreamFile ());
-            output_file_sp->GetFile().Open("/dev/null", File::eOpenOptionWrite);
+            output_file_sp->GetFile().Open(FileSystem::DEV_NULL, File::eOpenOptionWrite);
             error_file_sp = output_file_sp;
         }