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fs: implement file::read_at

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Reads from the given offset; does not seek; thread-safe.
This commit is contained in:
Nekotekina 2022-12-24 17:15:29 +03:00 • committed by Ivan
parent 9d432187aa
commit 2f9cac8d18
5 changed files with 156 additions and 15 deletions
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7
rpcs3/Emu/Cell/lv2/sys_fs.cpp
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@ -579,6 +579,11 @@ struct lv2_file::file_view : fs::file_base
return result;
}
u64 read_at(u64 offset, void* buffer, u64 size) override
{
return m_file->file.read_at(offset, buffer, size);
}
u64 write(const void*, u64) override
{
return 0;
@ -2380,7 +2385,7 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
strcpy_trunc(entry.entry_name.d_name, info->name);
}
// Apparently all this function does to additional buffer elements is to zeroize them
// Apparently all this function does to additional buffer elements is to zeroize them
std::memset(arg_ptr.get_ptr() + read_count, 0, (max - read_count) * arg->ptr.size());
}