From ad0c9936b14bbf8d345509d366ab082f06be52e5 Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Sat, 26 Jul 2025 13:58:47 +0200
Subject: [PATCH] Fix a compiler warning

Signed-off-by: falkTX <falktx@falktx.com>
---
 distrho/extra/String.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/distrho/extra/String.hpp b/distrho/extra/String.hpp
index 8a34e981..b7fda927 100644
--- a/distrho/extra/String.hpp
+++ b/distrho/extra/String.hpp
@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2024 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2025 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -1030,13 +1030,14 @@ public:
         }
 
         // we have some data ourselves, reallocate to add the new stuff
-        char* const newBuf = static_cast<char*>(std::realloc(fBuffer, fBufferLen + strBufLen + 1));
+        char* const newBuf = static_cast<char*>(std::realloc(fBufferAlloc ? fBuffer : nullptr, fBufferLen + strBufLen + 1));
         DISTRHO_SAFE_ASSERT_RETURN(newBuf != nullptr, *this);
 
         std::memcpy(newBuf + fBufferLen, strBuf, strBufLen + 1);
 
         fBuffer = newBuf;
         fBufferLen += strBufLen;
+        fBufferAlloc = true;
 
         return *this;
     }