diff options
| author | Max <mparisi@stevens.edu> | 2020-10-31 15:51:40 -0400 |
|---|---|---|
| committer | Max <mparisi@stevens.edu> | 2020-10-31 15:52:11 -0400 |
| commit | 4f344c838552548347e714f5ed1cc495b44543f2 (patch) | |
| tree | bd3485dcfa3b1f9394005061fc09e88eb709b5e1 /src/code_801DCE6C.cpp | |
| parent | b65c4ed97a77f5f8e690051cf36abb61427cfcc7 (diff) | |
only regswaps remain in func_801DD294
Diffstat (limited to 'src/code_801DCE6C.cpp')
| -rw-r--r-- | src/code_801DCE6C.cpp | 74 |
1 files changed, 40 insertions, 34 deletions
diff --git a/src/code_801DCE6C.cpp b/src/code_801DCE6C.cpp index 7e27b5f..8096355 100644 --- a/src/code_801DCE6C.cpp +++ b/src/code_801DCE6C.cpp @@ -142,16 +142,25 @@ BOOL func_801DD220(gUnkClass4*, gUnkClass5* fp, void*, u32, s32 offset) // creates and opens a /tmp/ file in NAND and copies the specified file to it
#define NONMATCHING
#ifdef NONMATCHING
-BOOL func_801DD294(gUnkClass4* p1, const char* fileName, s32)
+BOOL func_801DD294(gUnkClass4 *p1, const char *fileName, s32)
{
- NANDFileInfo nandInfo; // sp+8
-
- // check if already open
+ gUnkClass6 *r29;
+ size_t fileSz;
+ NANDFileInfo nandInfo;
+ gUnkClass5 *fp;
+ size_t i;
+ void *buffer;
+ BOOL flag;
+ s32 createResult;
+ size_t currOffset;
+ size_t maxLength;
+ size_t length;
+ s32 readResult;
+ s32 bytesWritten;
+
if (func_801DCEB4(p1, fileName))
return TRUE;
- gUnkClass6* r29;
- size_t i;
for (i = 0; i < 8; i++) {
r29 = p1->arr + i;
if (!p1->arr[i].unk0) {
@@ -162,65 +171,62 @@ BOOL func_801DD294(gUnkClass4* p1, const char* fileName, s32) if (!r29)
return FALSE;
- // check if file exists
+
if (!func_801DC380(fileName))
return FALSE;
- // open file on DVD
- gUnkClass5* fp = func_801DC2D0(fileName); //r28
+
+ fp = func_801DC2D0(fileName);
if (!fp)
return FALSE;
- // get file size
- size_t fileSz = (func_801DC760(fp) + 0x1F) & ~0x1F; // r24
- if (fileSz == 0)
+
+
+ fileSz = (func_801DC760(fp) + 0x1F) & (~0x1F);
+ if (0 == fileSz)
return FALSE;
- // allocate some memory. TODO: type of result.
- // used for buffered reads?
- void* buffer = func_801DAC94(lbl_8063E8EC, 0x200000); // r27
+
+ 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);
- BOOL flag = FALSE; // r26
- s32 createResult = NANDCreate(r29->unk2, 0x30, 0);
- if (createResult == 0 || createResult == -6) {
+ flag = 0;
+ createResult = NANDCreate(r29->unk2, 0x30, 0);
+ if ((createResult == 0) || (createResult == (-6))) {
if (NANDOpen(r29->unk2, &nandInfo, 3) == 0) {
- u32 currOffset = 0; // r25
- while (fileSz != 0) {
- size_t length = 0x20000; // r30
- if (fileSz < 0x20000) {
- length = fileSz;
- }
- // DVDReadPrio wrapper
- s32 readResult = func_801DC5FC(fp, buffer, length, currOffset, 2);
+ currOffset = 0;
+ maxLength = 0x200000;
+ do {
+ length = (fileSz < maxLength) ? (fileSz) : (maxLength);
+ readResult = func_801DC5FC(fp, buffer, length, currOffset, 2);
if (readResult < 0) {
if (readResult == -1) {
while (TRUE)
func_80224588(lbl_8063F600);
}
- // free and close
func_801DAD48(lbl_8063E8EC, buffer);
func_801DC6C4(fp);
- return FALSE;
+ return 0;
}
- if (NANDWrite(&nandInfo, buffer, length) != length) {
+ bytesWritten = NANDWrite(&nandInfo, buffer, length);
+ if (bytesWritten != ((s32) length)) {
NANDClose(&nandInfo);
break;
}
- fileSz -= length;
currOffset += length;
- }
+ } while ((fileSz -= length) != 0);
if (NANDClose(&nandInfo) == 0) {
- flag = TRUE;
+ flag = 1;
r29->unk1 = 0;
}
}
}
+
if (buffer)
func_801DAD48(lbl_8063E8EC, buffer);
-
+
func_801DC6C4(fp);
if (flag) {
r29->unk1 = 0;
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