52 bool ReadSquashfsHeader(const brillo::Blob blob,  in ReadSquashfsHeader()  argument
54   if (blob.size() < kSquashfsSuperBlockSize) {  in ReadSquashfsHeader()
58   memcpy(&header->magic, blob.data(), 4);  in ReadSquashfsHeader()
59   memcpy(&header->block_size, blob.data() + 12, 4);  in ReadSquashfsHeader()
60   memcpy(&header->compression_type, blob.data() + 20, 2);  in ReadSquashfsHeader()
61   memcpy(&header->major_version, blob.data() + 28, 2);  in ReadSquashfsHeader()
257   brillo::Blob blob(kSquashfsSuperBlockSize);  in CreateFromFile()  local
258   if (!sqfs_file->ReadAllBlocking(blob.data(), blob.size(), nullptr)) {  in CreateFromFile()
262   if (!ReadSquashfsHeader(blob, &header) || !CheckHeader(header)) {  in CreateFromFile()
319 bool SquashfsFilesystem::IsSquashfsImage(const brillo::Blob& blob) {  in IsSquashfsImage()  argument
321   return ReadSquashfsHeader(blob, &header) && CheckHeader(header);  in IsSquashfsImage()