Refactoring: replace a bunch of static array size computation or hardcoded constant
with a template function 'arraysize(static_array)', defined in Utils.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@139444 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Interpreter/OptionGroupPlatform.cpp b/source/Interpreter/OptionGroupPlatform.cpp
index 1734a79..910a6e9 100644
--- a/source/Interpreter/OptionGroupPlatform.cpp
+++ b/source/Interpreter/OptionGroupPlatform.cpp
@@ -15,6 +15,7 @@
 // Project includes
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Target/Platform.h"
+#include "lldb/Utility/Utils.h"
 
 using namespace lldb;
 using namespace lldb_private;
@@ -67,8 +68,6 @@
     { LLDB_OPT_SET_ALL, false, "sysroot" , 's', required_argument, NULL, 0, eArgTypeFilename, "Specify the SDK root directory that contains a root of all remote system files." }
 };
 
-static const uint32_t k_option_table_size = sizeof(g_option_table)/sizeof (OptionDefinition);
-
 const OptionDefinition*
 OptionGroupPlatform::GetDefinitions ()
 {
@@ -81,8 +80,8 @@
 OptionGroupPlatform::GetNumDefinitions ()
 {
     if (m_include_platform_option)
-        return k_option_table_size;
-    return k_option_table_size - 1;
+        return arraysize(g_option_table);
+    return arraysize(g_option_table) - 1;
 }