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various memory access violation fixes (and friends) (#3930)

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* various memory access violation fixes

* Another fix, for motorstorm demo

* Better stub cellGameUpdateCheckStartAsync and FinishAsync, Fixes #3934
This commit is contained in:
Zion 2017-12-15 16:03:49 -08:00 • committed by Ivan
parent a122924c8e
commit 17bfb3beaf
4 changed files with 42 additions and 17 deletions
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15
rpcs3/Emu/Cell/lv2/sys_fs.cpp
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@ -297,7 +297,7 @@ error_code sys_fs_open(vm::cptr<char> path, s32 flags, vm::ptr<u32> fd, s32 mode
if (size == 8)
{
// check for sdata
// check for sdata
if (*casted_arg == 0x18000000010)
{
// check if the file has the NPD header, or else assume its not encrypted
@ -315,7 +315,7 @@ error_code sys_fs_open(vm::cptr<char> path, s32 flags, vm::ptr<u32> fd, s32 mode
file.reset(std::move(sdata_file));
}
}
// edata
// edata
else if (*casted_arg == 0x2)
{
// check if the file has the NPD header, or else assume its not encrypted
@ -514,6 +514,9 @@ error_code sys_fs_stat(vm::cptr<char> path, vm::ptr<CellFsStat> sb)
{
sys_fs.warning("sys_fs_stat(path=%s, sb=*0x%x)", path, sb);
if (!path)
return CELL_EFAULT;
const std::string local_path = vfs::get(path.get_ptr());
if (local_path.empty())
@ -629,7 +632,7 @@ error_code sys_fs_rename(vm::cptr<char> from, vm::cptr<char> to)
{
return CELL_ENOTMOUNTED;
}
if (local_to == "/" || local_from == "/")
{
return CELL_EPERM;
@ -687,6 +690,12 @@ error_code sys_fs_unlink(vm::cptr<char> path)
{
sys_fs.warning("sys_fs_unlink(path=%s)", path);
// If path is just an empty string
if (!*path.get_ptr())
{
return CELL_ENOENT;
}
const std::string local_path = vfs::get(path.get_ptr());
if (local_path.empty())