Freeing display list allocations

src/decomp/memory.c

@@ -0,0 +1,59 @@
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "memory.h"
+
+// TODO don't handle every individual allocation with malloc, it sucks on windows
+
+struct AllocOnlyPool 
+{
+    size_t allocatedCount;
+    void **allocatedBlocks;
+};
+
+struct AllocOnlyPool *s_display_list_pool;
+
+void memory_init(void)
+{
+    s_display_list_pool = alloc_only_pool_init();
+}
+
+void memory_terminate(void)
+{
+    alloc_only_pool_free( s_display_list_pool );
+}
+
+struct AllocOnlyPool *alloc_only_pool_init(void)
+{
+    struct AllocOnlyPool *newPool = malloc( sizeof( struct AllocOnlyPool ));
+    newPool->allocatedCount = 0;
+    newPool->allocatedBlocks = NULL;
+    return newPool;
+}
+
+void *alloc_only_pool_alloc(struct AllocOnlyPool *pool, s32 size)
+{
+    pool->allocatedCount++;
+    pool->allocatedBlocks = realloc( pool->allocatedBlocks, pool->allocatedCount * sizeof( void * ));
+    pool->allocatedBlocks[ pool->allocatedCount - 1 ] = malloc( size );
+    return pool->allocatedBlocks[ pool->allocatedCount - 1 ];
+}
+
+void alloc_only_pool_free(struct AllocOnlyPool *pool)
+{
+    for( int i = 0; i < pool->allocatedCount; ++i )
+        free( pool->allocatedBlocks[i] );
+    free( pool->allocatedBlocks );
+    free( pool );
+}
+
+void display_list_pool_reset(void)
+{
+    alloc_only_pool_free( s_display_list_pool );
+    s_display_list_pool = alloc_only_pool_init();
+}
+
+void *alloc_display_list(u32 size)
+{
+    return alloc_only_pool_alloc( s_display_list_pool, (s32)size );
+}