CChunkFileReader::Error CChunkFileReader::LoadFileHeader(File::IOFile &pFile, SChunkHeader &header, std::string *title) {
if (!pFile) {
ERROR_LOG(COMMON, "ChunkReader: Can't open file for reading");
return ERROR_BAD_FILE;
}
const u64 fileSize = pFile.GetSize();
u64 headerSize = sizeof(SChunkHeader);
if (fileSize < headerSize) {
ERROR_LOG(COMMON, "ChunkReader: File too small");
return ERROR_BAD_FILE;
}
if (!pFile.ReadArray(&header, 1)) {
ERROR_LOG(COMMON, "ChunkReader: Bad header size");
return ERROR_BAD_FILE;
}
if (header.Revision < REVISION_MIN) {
ERROR_LOG(COMMON, "ChunkReader: Wrong file revision, got %d expected >= %d", header.Revision, REVISION_MIN);
return ERROR_BAD_FILE;
}
if (header.Revision >= REVISION_TITLE) {
char titleFixed[128];
if (!pFile.ReadArray(titleFixed, sizeof(titleFixed))) {
ERROR_LOG(COMMON, "ChunkReader: Unable to read title");
return ERROR_BAD_FILE;
}
if (title) {
*title = titleFixed;
}
headerSize += 128;
} else if (title) {
title->clear();
}
u32 sz = (u32)(fileSize - headerSize);
if (header.ExpectedSize != sz) {
ERROR_LOG(COMMON, "ChunkReader: Bad file size, got %u expected %u", sz, header.ExpectedSize);
return ERROR_BAD_FILE;
}
return ERROR_NONE;
}
BootExecutableReader::BootExecutableReader(File::IOFile file)
{
file.Seek(0, SEEK_SET);
m_bytes.resize(file.GetSize());
file.ReadBytes(m_bytes.data(), m_bytes.size());
}