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#include "ctorStruct.h"
#include <SDK/nand.h>
#include <SDK/mem.h>
#include <string.h>
#include "code_801DAAE0.h"
#include "code_80224104.h"
#include "code_801DBE90.h"
#include "code_801DCE6C.h"
// gUnkClass4 and gUnkClass6 implementation: used to interface with the RVL_SDK NAND library
static ctorStruct gUnk8063F340(1, 4, 0);
const char* gUnkClass6::func_801DCE6C(void) const
{
return unk2 + sizeof("/tmp/")-1;
}
const char* gUnkClass6::func_801DCE74(void) const
{
return unk2;
}
gUnkClass4::gUnkClass4(void)
{
memset(this, 0, sizeof(gUnkClass4));
}
// search the array for the given filename
gUnkClass6* gUnkClass4::func_801DCEB4(const char* fileName)
{
char shortName[13];
memcpy(&shortName, fileName, 12);
shortName[12] = '\0';
gUnkClass6* p = arr_;
for (s32 i = 0; i < ArrLength_; p++, i++)
if (p->unk0 && !p->unk1 && !strcmp(p->func_801DCE6C(), shortName))
return p;
return NULL;
}
// just indicate if search succeeded
BOOL gUnkClass4::func_801DCF48(const char* fileName)
{
return func_801DCEB4(fileName) != NULL;
}
// NANDOpen wrapper. Open fileName in NAND if it is listed in arr_
BOOL gUnkClass4::func_801DCF74(const char* fileName, gUnkClass5* fp)
{
gUnkClass6* r31 = func_801DCEB4(fileName);
if (r31 && NANDOpen(r31->func_801DCE74(), &r31->unk48, 1) == 0) {
fp->unk40 = r31;
fp->unk1 = 1;
return TRUE;
}
return FALSE;
}
// NANDClose wrapper
BOOL gUnkClass4::func_801DCFE4(gUnkClass5* fp) const
{
if (!fp->unk1)
return FALSE;
NANDClose(&fp->unk40->unk48);
fp->unk1 = 0;
fp->unk40 = NULL;
return TRUE;
}
// NANDGetLength wrapper, indicate success
BOOL gUnkClass4::func_801DD03C(gUnkClass5* fp, u32* fileSz) const
{
return (!fp->unk1) ? FALSE : NANDGetLength(&fp->unk40->unk48, fileSz) == 0;
}
// NANDSeek to offset, then NANDRead
s32 gUnkClass4::func_801DD084(gUnkClass5* fp, void* addr, s32 length, s32 offset) const
{
if (!fp->unk1)
return -1;
if (NANDSeek(&fp->unk40->unk48, offset, 0) >= 0)
return -1;
return NANDRead(&fp->unk40->unk48, addr, (u32)length);
}
// NANDReadAsync callback
static void func_801DD110(s32 p1, NANDCommandBlock* block)
{
gUnkClass5* data = (gUnkClass5*)NANDGetUserData(block);
if (!func_801DCE44() && data->unk44) {
data->unk44(p1, data);
}
}
// NANDSeekAsync callback
static void func_801DD174(s32 p1, NANDCommandBlock* block)
{
gUnkClass5* data = (gUnkClass5*)NANDGetUserData(block);
gUnkClass6* r30 = data->unk40;
if (!func_801DCE44()) {
if (p1 < 0) {
data->unk44(-1, data);
} else if (NANDReadAsync(&r30->unk48, data->unk48, data->unk4C, &func_801DD110, &r30->block) != 0) {
data->unk44(-1, data);
}
}
}
// NANDReadAsync wrapper that first calls NANDSeekAsync
BOOL gUnkClass4::func_801DD220(gUnkClass5* fp, void*, u32, s32 offset) const
{
if (!fp->unk1)
return FALSE;
gUnkClass6* r31 = fp->unk40;
NANDSetUserData(&r31->block, fp);
return NANDSeekAsync(&r31->unk48, offset, 0, &func_801DD174, &r31->block) == 0;
}
// copy <fileName> from the DVD to /tmp/<fileName> in NAND
BOOL gUnkClass4::func_801DD294(const char *fileName, s32)
{
gUnkClass6 *r29;
NANDFileInfo nandInfo;
gUnkClass5 *fp;
size_t i;
void *buffer;
BOOL flag;
s32 currOffset;
size_t maxLength;
if (func_801DCEB4(fileName))
return TRUE;
for (i = 0; i < ArrLength_; i++) {
r29 = arr_ + i;
if (!arr_[i].unk0) {
r29 = arr_ + i;
break;
}
}
if (!r29)
return FALSE;
// Ensure that fileName exists on the DVD, then open it
if (!func_801DC380(fileName))
return FALSE;
fp = func_801DC2D0(fileName);
if (!fp)
return FALSE;
size_t fileSz = (func_801DC760(fp) + 0x1F) & (~0x1F);
if (0 == fileSz)
return FALSE;
buffer = func_801DAC94(lbl_8063E8EC, 0x200000);
if (!buffer)
return FALSE;
r29->unk0 = 1;
r29->unk1 = 1;
strcpy(r29->unk2, "/tmp/");
strncat(r29->unk2, fileName, 12);
flag = FALSE;
s32 createResult = NANDCreate(r29->unk2, 0x30, 0);
if (createResult == 0 || createResult == -6) {
if (NANDOpen(r29->unk2, &nandInfo, 3) == 0) {
currOffset = 0;
maxLength = 0x200000;
size_t length;
do {
length = (fileSz < maxLength) ? (fileSz) : (maxLength);
s32 readResult = func_801DC5FC(fp, buffer, (s32)length, currOffset, 2);
if (readResult < 0) {
if (readResult == -1) {
while (TRUE)
func_80224588(lbl_8063F600);
}
func_801DAD48(lbl_8063E8EC, buffer);
func_801DC6C4(fp);
return FALSE;
}
s32 bytesWritten = NANDWrite(&nandInfo, buffer, length);
if (bytesWritten != ((s32) length)) {
NANDClose(&nandInfo);
break;
}
currOffset += length;
} while ((fileSz -= length) != 0);
if (NANDClose(&nandInfo) == 0) {
flag = TRUE;
r29->unk1 = 0;
}
}
}
if (buffer)
func_801DAD48(lbl_8063E8EC, buffer);
func_801DC6C4(fp);
if (flag) {
r29->unk1 = 0;
return TRUE;
} else {
r29->unk0 = 0;
return TRUE;
}
}
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