Shipwright/soh/src/code/gamealloc.c

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#include "global.h"
void GameAlloc_Log(GameAlloc* this) {
GameAllocEntry* iter;
osSyncPrintf("this = %08x\n", this);
iter = this->base.next;
while (iter != &this->base) {
osSyncPrintf("ptr = %08x size = %d\n", iter, iter->size);
iter = iter->next;
}
}
void* GameAlloc_MallocDebug(GameAlloc* this, size_t size, const char* file, s32 line) {
GameAllocEntry* ptr = SystemArena_MallocDebug(size + sizeof(GameAllocEntry), __FILE__, __LINE__);
if (ptr != NULL) {
ptr->size = size;
ptr->prev = this->head;
this->head->next = ptr;
this->head = ptr;
ptr->next = &this->base;
this->base.prev = this->head;
return ptr + 1;
} else {
return NULL;
}
}
void* GameAlloc_Malloc(GameAlloc* this, size_t size) {
GameAllocEntry* ptr = SYSTEM_ARENA_MALLOC_DEBUG(size + sizeof(GameAllocEntry));
if (ptr != NULL) {
ptr->size = size;
ptr->prev = this->head;
this->head->next = ptr;
this->head = ptr;
ptr->next = &this->base;
this->base.prev = this->head;
return ptr + 1;
} else {
return NULL;
}
}
void GameAlloc_Free(GameAlloc* this, void* data) {
GameAllocEntry* ptr;
if (data != NULL) {
ptr = &((GameAllocEntry*)data)[-1];
LOG_CHECK_NULL_POINTER("ptr->prev", ptr->prev);
LOG_CHECK_NULL_POINTER("ptr->next", ptr->next);
ptr->prev->next = ptr->next;
ptr->next->prev = ptr->prev;
this->head = this->base.prev;
SYSTEM_ARENA_FREE_DEBUG(ptr);
}
}
void GameAlloc_Cleanup(GameAlloc* this) {
GameAllocEntry* next = this->base.next;
GameAllocEntry* cur;
while (&this->base != next) {
cur = next;
next = next->next;
SYSTEM_ARENA_FREE_DEBUG(cur);
}
this->head = &this->base;
this->base.next = &this->base;
this->base.prev = &this->base;
}
void GameAlloc_Init(GameAlloc* this) {
this->head = &this->base;
this->base.next = &this->base;
this->base.prev = &this->base;
}