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

1 files changed, 2 insertions, 1 deletions

diff --git a/lldb/source/Target/ProcessLaunchInfo.cpp b/lldb/source/Target/ProcessLaunchInfo.cpp
index bd2e1bc4c4a..fc17fe614c5 100644
--- a/lldb/source/Target/ProcessLaunchInfo.cpp
+++ b/lldb/source/Target/ProcessLaunchInfo.cpp
@@ -11,6 +11,7 @@
 
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Log.h"
+#include "lldb/Host/FileSystem.h"
 #include "lldb/Target/ProcessLaunchInfo.h"
 #include "lldb/Target/FileAction.h"
 #include "lldb/Target/Target.h"
@@ -129,7 +130,7 @@ bool
 ProcessLaunchInfo::AppendSuppressFileAction (int fd, bool read, bool write)
 {
     FileAction file_action;
-    if (file_action.Open(fd, FileSpec{"/dev/null", false}, read, write))
+    if (file_action.Open(fd, FileSpec{FileSystem::DEV_NULL, false}, read, write))
     {
         AppendFileAction (file_action);
         return true;