Various minor warning fixes

src/JSystem/J2DGraph/J2DMaterialFactory.cpp

@@ -248,7 +248,7 @@ u16 J2DMaterialFactory::newTexNo(int param_0, int param_1) const {
     if (iVar2->field_0x38[param_1] != 0xffff) {
         return field_0x28[iVar2->field_0x38[param_1]];
     }
-    return 0x1FFFF;
+    return 0xFFFF;
 }
 
 u16 J2DMaterialFactory::newFontNo(int param_0) const {
@@ -256,7 +256,7 @@ u16 J2DMaterialFactory::newFontNo(int param_0) const {
     if (iVar2->field_0x48 != 0xffff) {
         return field_0x2c[iVar2->field_0x48];
     }
-    return 0x1FFFF;
+    return 0xFFFF;
 }
 
 J2DTevOrder J2DMaterialFactory::newTevOrder(int param_0, int param_1) const {

src/JSystem/JKernel/JKRAramArchive.cpp

@@ -208,7 +208,7 @@ void* JKRAramArchive::fetchResource(SDIFileEntry* pEntry, u32* pOutSize) {
             &outBuf);
 
         *pOutSize = size;
-        if (size == NULL) {
+        if (size == 0) {
             return NULL;
         }
 
@@ -243,7 +243,7 @@ void* JKRAramArchive::fetchResource(void* buffer, u32 bufferSize, SDIFileEntry*
     } else {
         if (compression == COMPRESSION_YAZ0) {
             u32 expandSize = this->getExpandSize(pEntry);
-            if (expandSize != NULL) {
+            if (expandSize != 0) {
                 size = expandSize;
             }
         }

src/JSystem/JKernel/JKRAramStream.cpp

@@ -128,7 +128,7 @@ s32 JKRAramStream::writeToAram(JKRAramStreamCommand* command) {
         }
     }
 
-    OSSendMessage(&command->mMessageQueue, (OSMessage)writtenLength, OS_MESSAGE_NOBLOCK);
+    OSSendMessage(&command->mMessageQueue, (OSMessage)(uintptr_t)writtenLength, OS_MESSAGE_NOBLOCK);
     return writtenLength;
 }
 

src/JSystem/JUtility/JUTGraphFifo.cpp

@@ -18,7 +18,7 @@ JUTGraphFifo::JUTGraphFifo(u32 size) {
         GXInitFifoPtrs(mFifo, mBase, mBase);
     } else {
         mBase = JKRAllocFromSysHeap(mSize + 0xA0, 32);
-        mBase = (void*)ROUND((intptr_t)mBase, 0x20);
+        mBase = (void*)ALIGN_NEXT((intptr_t)mBase, 0x20);
         mFifo = GXInit(mBase, mSize);
         GXSetColorUpdate(GX_ENABLE);
         data_804514B8 = true;