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#include "ctorStruct.h"
#include <string.h>
#include "code_801DAAE0.h"
#include "code_801DB040.h"
#include "code_801DBB3C.h"
static u32 func_801DBB3C(void);
static void func_801DBB44(u32);
static void func_801DBB48(gUnkClass2 *p1, size_t nodes, size_t size);
static gUnkClass2 gUnk80491470[32];
static ctorStruct gUnk8063F310(1, 4, 0);
extern "C" {
static u32 func_801DBB3C(void)
{
return 0;
}
static void func_801DBB44(u32)
{
}
static void func_801DBB48(gUnkClass2 *p1, size_t nodes, size_t size)
{
size_t blockSize = (size+7) & ~0x3;
p1->unk8 = nodes;
p1->unkC = blockSize;
u8* data = (u8*)func_801DAD98((nodes + 1) * blockSize);
p1->unk10 = data;
p1->unk18 = (gUnkClass3*)data;
p1->unk14 = data + (nodes * blockSize);
u8* next;
u8** pnext = &next;
size_t i;
gUnkClass3* r8 = NULL;
for (i = 0; i < nodes; i++) {
*pnext = data + blockSize;
r8 = (gUnkClass3*)data;
((gUnkClass3*)data)->unk0 = (gUnkClass3*)(*pnext);
data = *pnext;
}
r8->unk0 = 0;
}
// Allocate linked list node from free store
gUnkClass1* func_801DBC58(gUnkClass2* p1)
{
gUnkClass3* r31 = p1->unk18;
u32 r30 = func_801DBB3C();
func_801DBB44(0);
if (r31) {
p1->unk18 = r31->unk0;
goto passCheck;
}
failCheck:
func_801DBB44(r30);
return NULL;
passCheck:
func_801DBB44(r30);
memset(r31, 0, p1->unkC);
if (++p1->unk0 > p1->unk4)
p1->unk4 = p1->unk0;
return &r31->unk4;
}
// Return linked list node to free store
void func_801DBD00(gUnkClass2* p1, gUnkClass1* p2)
{
u32 r31;
if (p2) {
gUnkClass3* r30 = (gUnkClass3*)((u8*)p2 - 4);
r30->unk0 = p1->unk18;
p1->unk0--;
r31 = func_801DBB3C();
func_801DBB44(0);
p1->unk18 = r30;
func_801DBB44(r31);
}
}
gUnkClass2* func_801DBD74(u32 nodes, u32 size)
{
size_t i;
for (i = 0; i < 32; i++)
if (gUnk80491470[i].unk8 == 0)
break;
gUnkClass2* r31 = &gUnk80491470[i];
if (r31->unk8)
return NULL;
func_801DBB48(r31, nodes, size);
return r31;
}
}
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