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Merge pull request #4948 from leoetlino/file 

IOS/FFSP: Fix the "past EOF" check
This commit is contained in:
JosJuice 2017-02-22 22:43:40 +01:00 committed by GitHub
parent fa9b89fdf9 b0a132875a
commit 9b0ce31906
1 changed files with 4 additions and 3 deletions
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7
Source/Core/Core/IOS/FS/FileIO.cpp
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@ -209,9 +209,10 @@ IPCCommandResult FileIO::Read(const ReadWriteRequest& request)
}
u32 requested_read_length = request.size;
const u32 file_size = static_cast<u32>(m_file->GetSize());
// IOS has this check in the read request handler.
if (requested_read_length + m_SeekPos > static_cast<u32>(m_file->GetSize()))
requested_read_length -= m_SeekPos;
if (requested_read_length + m_SeekPos > file_size)
requested_read_length = file_size - m_SeekPos;
DEBUG_LOG(IOS_FILEIO, "Read 0x%x bytes to 0x%08x from %s", request.size, request.buffer,
m_name.c_str());
@ -219,7 +220,7 @@ IPCCommandResult FileIO::Read(const ReadWriteRequest& request)
const u32 number_of_bytes_read = static_cast<u32>(
fread(Memory::GetPointer(request.buffer), 1, requested_read_length, m_file->GetHandle()));
if (number_of_bytes_read != request.size && ferror(m_file->GetHandle()))
if (number_of_bytes_read != requested_read_length && ferror(m_file->GetHandle()))
return GetDefaultReply(FS_EACCESS);
// IOS returns the number of bytes read and adds that value to the seek position,