Improve const-ness

This allows callers to pass a char ** (such as the one coming from the
standard decreed main declaration - even though everyone usually puts
const on that themselves).

llvm-svn: 235150

2 files changed, 4 insertions, 6 deletions

diff --git a/clang/include/clang/Tooling/CompilationDatabase.h b/clang/include/clang/Tooling/CompilationDatabase.h
index 27c16524e62..e5b95af3aef 100644
--- a/clang/include/clang/Tooling/CompilationDatabase.h
+++ b/clang/include/clang/Tooling/CompilationDatabase.h
@@ -178,7 +178,7 @@ public:
   /// \param Argv Points to the command line arguments.
   /// \param Directory The base directory used in the FixedCompilationDatabase.
   static FixedCompilationDatabase *loadFromCommandLine(int &Argc,
-                                                       const char **Argv,
+                                                       const char *const *Argv,
                                                        Twine Directory = ".");
 
   /// \brief Constructs a compilation data base from a specified directory
diff --git a/clang/lib/Tooling/CompilationDatabase.cpp b/clang/lib/Tooling/CompilationDatabase.cpp
index 73564376a58..2514f027f47 100644
--- a/clang/lib/Tooling/CompilationDatabase.cpp
+++ b/clang/lib/Tooling/CompilationDatabase.cpp
@@ -283,11 +283,9 @@ static bool stripPositionalArgs(std::vector<const char *> Args,
   return true;
 }
 
-FixedCompilationDatabase *
-FixedCompilationDatabase::loadFromCommandLine(int &Argc,
-                                              const char **Argv,
-                                              Twine Directory) {
-  const char **DoubleDash = std::find(Argv, Argv + Argc, StringRef("--"));
+FixedCompilationDatabase *FixedCompilationDatabase::loadFromCommandLine(
+    int &Argc, const char *const *Argv, Twine Directory) {
+  const char *const *DoubleDash = std::find(Argv, Argv + Argc, StringRef("--"));
   if (DoubleDash == Argv + Argc)
     return nullptr;
   std::vector<const char *> CommandLine(DoubleDash + 1, Argv + Argc);