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sys_fs: improve sys_fs_disk_free

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Fix error codes and arg checks.
This commit is contained in:
Nekotekina 2020-01-11 01:10:50 +03:00
parent 7e35fd54a8
commit 87cd653c6e
1 changed files with 33 additions and 4 deletions
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37
rpcs3/Emu/Cell/lv2/sys_fs.cpp
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@ -1682,16 +1682,45 @@ error_code sys_fs_disk_free(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u64> t
return CELL_EINVAL;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
if (vpath.find_first_not_of('/') == -1)
if (vpath == "/"sv)
{
return {CELL_EPERM, path};
return CELL_ENOTSUP;
}
// It seems max length is 31, and multiple / at the start aren't supported
if (vpath.size() > 31)
{
return {CELL_ENAMETOOLONG, path};
}
if (vpath.find_first_not_of('/') != 1)
{
return {CELL_EINVAL, path};
}
// Get only device path
const std::string local_path = vfs::get(vpath.substr(0, vpath.find_first_of('/', 1)));
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
return {CELL_EINVAL, path};
}
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp->flags & lv2_mp_flag::strict_get_block_size)
{
// TODO:
return {CELL_ENOTSUP, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
// TODO: check /dev_bdvd
*total_free = 0;
*avail_free = 0;
return CELL_OK;
}
fs::device_stat info;