From c385b7767d32eccabbfeaa12764310cfc3d113b9 Mon Sep 17 00:00:00 2001 From: condut <> Date: Fri, 10 Jul 2015 00:55:23 +0300 Subject: FS: Stream RomFS from file instead of loading all of it to memory --- src/core/file_sys/ivfc_archive.cpp | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'src/core/file_sys/ivfc_archive.cpp') diff --git a/src/core/file_sys/ivfc_archive.cpp b/src/core/file_sys/ivfc_archive.cpp index c88b39bcd..2b88b1d5d 100644 --- a/src/core/file_sys/ivfc_archive.cpp +++ b/src/core/file_sys/ivfc_archive.cpp @@ -16,15 +16,12 @@ namespace FileSys { -IVFCArchive::IVFCArchive(std::shared_ptr> data) : data(data) { -} - std::string IVFCArchive::GetName() const { return "IVFC"; } std::unique_ptr IVFCArchive::OpenFile(const Path& path, const Mode mode) const { - return Common::make_unique(data); + return Common::make_unique(romfs_file, data_offset, data_size); } bool IVFCArchive::DeleteFile(const Path& path) const { @@ -66,8 +63,10 @@ std::unique_ptr IVFCArchive::OpenDirectory(const Path& path) c size_t IVFCFile::Read(const u64 offset, const u32 length, u8* buffer) const { LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length); - memcpy(buffer, data->data() + offset, length); - return length; + romfs_file->Seek(data_offset + offset, SEEK_SET); + u32 read_length = (u32)std::min((u64)length, data_size - offset); + + return romfs_file->ReadBytes(buffer, read_length); } size_t IVFCFile::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const { @@ -76,7 +75,7 @@ size_t IVFCFile::Write(const u64 offset, const u32 length, const u32 flush, cons } size_t IVFCFile::GetSize() const { - return sizeof(u8) * data->size(); + return data_size; // TODO: return value will overflow on 32-bit machines } bool IVFCFile::SetSize(const u64 size) const { -- cgit v1.2.3