VST: Reduce char array size for old hosts

distrho/src/DistrhoPluginVST.cpp

@@ -270,7 +270,7 @@ public:
         : fAudioMaster(audioMaster),
           fEffect(effect)
     {
-        std::memset(fProgramName, 0, sizeof(char)*(64+1));
+        std::memset(fProgramName, 0, sizeof(char)*(32+1));
         std::strcpy(fProgramName, "Default");
 
 #if DISTRHO_PLUGIN_HAS_MIDI_INPUT
@@ -339,7 +339,7 @@ public:
         case effSetProgramName:
             if (char* const programName = (char*)ptr)
             {
-                DISTRHO::strncpy(fProgramName, programName, 64);
+                DISTRHO::strncpy(fProgramName, programName, 32);
                 return 1;
             }
             break;
@@ -715,7 +715,7 @@ private:
     PluginExporter fPlugin;
 
     // Temporary data
-    char fProgramName[64+1];
+    char fProgramName[32+1];
 
 #if DISTRHO_PLUGIN_HAS_MIDI_INPUT
     uint32_t  fMidiEventCount;
@@ -902,25 +902,25 @@ static intptr_t vst_dispatcherCallback(AEffect* effect, int32_t opcode, int32_t
 #endif
 
     case effGetEffectName:
-        if (ptr != nullptr)
+        if (char* const cptr = (char*)ptr)
         {
-            DISTRHO::strncpy((char*)ptr, plugin.getName(), 64);
+            DISTRHO::strncpy(cptr, plugin.getName(), 32);
             return 1;
         }
         return 0;
 
     case effGetVendorString:
-        if (ptr != nullptr)
+        if (char* const cptr = (char*)ptr)
         {
-            DISTRHO::strncpy((char*)ptr, plugin.getMaker(), 64);
+            DISTRHO::strncpy(cptr, plugin.getMaker(), 32);
             return 1;
         }
         return 0;
 
     case effGetProductString:
-        if (ptr != nullptr)
+        if (char* const cptr = (char*)ptr)
         {
-            DISTRHO::strncpy((char*)ptr, plugin.getLabel(), 64);
+            DISTRHO::strncpy(cptr, plugin.getLabel(), 32);
             return 1;
         }
         return 0;