From b71b3d3065ad0835aaaead14fa7a34d912f893e6 Mon Sep 17 00:00:00 2001
From: firewave <firewave@users.noreply.github.com>
Date: Fri, 29 Mar 2024 19:15:28 +0100
Subject: [PATCH] use `StdCharBufStream` in `Macro`

---
 simplecpp.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/simplecpp.cpp b/simplecpp.cpp
index c1460cf..a9adfdd 100755
--- a/simplecpp.cpp
+++ b/simplecpp.cpp
@@ -1481,8 +1481,7 @@ namespace simplecpp {
 
         Macro(const std::string &name, const std::string &value, std::vector<std::string> &f) : nameTokDef(nullptr), files(f), tokenListDefine(f), valueDefinedInCode_(false) {
             const std::string def(name + ' ' + value);
-            std::istringstream istr(def);
-            StdIStream stream(istr);
+            StdCharBufStream stream(reinterpret_cast<const unsigned char*>(def.data()), def.size());
             tokenListDefine.readfile(stream);
             if (!parseDefine(tokenListDefine.cfront()))
                 throw std::runtime_error("bad macro syntax. macroname=" + name + " value=" + value);