Make the voice count unsigned

Alc/alc.cpp

@@ -2606,7 +2606,7 @@ void AllocateVoices(ALCcontext *context, size_t num_voices)
         voices.reset(new (ptr) al::FlexArray<ALvoice>{num_voices});
     }
 
-    const ALsizei v_count{mini(context->VoiceCount.load(std::memory_order_relaxed), num_voices)};
+    const size_t v_count{minz(context->VoiceCount.load(std::memory_order_relaxed), num_voices)};
     if(context->Voices)
     {
         /* Copy the old voice data to the new storage. */
@@ -2631,7 +2631,7 @@ void AllocateVoices(ALCcontext *context, size_t num_voices)
     }
 
     context->Voices = std::move(voices);
-    context->VoiceCount.store(v_count, std::memory_order_relaxed);
+    context->VoiceCount.store(static_cast<ALuint>(v_count), std::memory_order_relaxed);
 }
 
 

Alc/alcontext.h

@@ -117,7 +117,7 @@ struct ALCcontext {
     std::atomic<ALeffectslotProps*> FreeEffectslotProps{nullptr};
 
     std::unique_ptr<al::FlexArray<ALvoice>> Voices{nullptr};
-    std::atomic<ALsizei> VoiceCount{0};
+    std::atomic<ALuint> VoiceCount{0u};
 
     using ALeffectslotArray = al::FlexArray<ALeffectslot*>;
     std::atomic<ALeffectslotArray*> ActiveAuxSlots{nullptr};

OpenAL32/alSource.cpp

@@ -58,7 +58,7 @@ using namespace std::placeholders;
 inline ALvoice *GetSourceVoice(ALsource *source, ALCcontext *context)
 {
     ALint idx{source->VoiceIdx};
-    if(idx >= 0 && idx < context->VoiceCount.load(std::memory_order_relaxed))
+    if(idx >= 0 && static_cast<ALuint>(idx) < context->VoiceCount.load(std::memory_order_relaxed))
     {
         ALuint sid{source->id};
         ALvoice &voice = (*context->Voices)[idx];
@@ -2799,7 +2799,7 @@ START_API_FUNC
         {
             /* Allocate more voices to get enough. */
             const size_t alloc_count{need_voices - rem_voices};
-            if(UNLIKELY(context->Voices->size() > std::numeric_limits<size_t>::max()-alloc_count))
+            if(UNLIKELY(context->Voices->size() > std::numeric_limits<ALsizei>::max()-alloc_count))
                 SETERR_RETURN(context.get(), AL_OUT_OF_MEMORY,,
                     "Overflow increasing voice count to %zu + %zu", context->Voices->size(),
                     alloc_count);