Constify read-only global data

Also silences a compiler warning about deprecated conversion from const
char* to char*.

diff --git a/src/node_buffer.cc b/src/node_buffer.cc
index efd01b7..226baf7 100644 (file)
--- a/src/node_buffer.cc
+++ b/src/node_buffer.cc
@@ -272,10 +272,10 @@ Handle<Value> Buffer::Utf8Slice(const Arguments &args) {
   return scope.Close(string);
 }
 
-static char* base64_table = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                            "abcdefghijklmnopqrstuvwxyz"
-                            "0123456789+/";
-static int unbase64_table[] =
+static const char *base64_table = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                  "abcdefghijklmnopqrstuvwxyz"
+                                  "0123456789+/";
+static const int unbase64_table[] =
   {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
   ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
   ,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63