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Only write d_private for memory stick

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raven02 committed 2014-04-13 20:10:47 +08:00
1 parent c7aafadfb1
commit 6fb2934a6e
1 file changed
+21 -17
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Core/HLE/sceIo.cpp
+21 -17
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@@ -1942,23 +1942,27 @@ u32 sceIoDread(int id, u32 dirent_addr) {
strncpy(entry->d_name, info.name.c_str(), 256);
entry->d_name[255] = '\0';
// write d_private for supporting Custom BGM
// ref JPCSP https://code.google.com/p/jpcsp/source/detail?r=3468
if (Memory::IsValidAddress(entry->d_private)){
if (sceKernelGetCompiledSdkVersion() <= 0x0307FFFF){
// d_private is pointing to an area of unknown size
// - [0..12] "8.3" file name (null-terminated), could be empty.
// - [13..???] long file name (null-terminated)
strncpy((char*)Memory::GetPointer(entry->d_private + 13), (const char*)entry->d_name, ARRAY_SIZE(entry->d_name));
}
else {
// d_private is pointing to an area of total size 1044
// - [0..3] size of area
// - [4..19] "8.3" file name (null-terminated), could be empty.
// - [20..???] long file name (null-terminated)
auto size = Memory::Read_U32(entry->d_private);
if (size >= 1044) {
strncpy((char*)Memory::GetPointer(entry->d_private + 20), (const char*)entry->d_name, ARRAY_SIZE(entry->d_name));
// Only write d_private for memory stick
if (dir->name.substr(0, 3) == "ms0") {
// write d_private for supporting Custom BGM
// ref JPCSP https://code.google.com/p/jpcsp/source/detail?r=3468
if (Memory::IsValidAddress(entry->d_private)){
if (sceKernelGetCompiledSdkVersion() <= 0x0307FFFF){
// d_private is pointing to an area of unknown size
// - [0..12] "8.3" file name (null-terminated), could be empty.
// - [13..???] long file name (null-terminated)
strncpy((char*)Memory::GetPointer(entry->d_private + 13), (const char*)entry->d_name, ARRAY_SIZE(entry->d_name));
}
else {
// d_private is pointing to an area of total size 1044
// - [0..3] size of area
// - [4..19] "8.3" file name (null-terminated), could be empty.
// - [20..???] long file name (null-terminated)
auto size = Memory::Read_U32(entry->d_private);
if (size >= 1044) {
strncpy((char*)Memory::GetPointer(entry->d_private + 20), (const char*)entry->d_name, ARRAY_SIZE(entry->d_name));
}
}
}
}