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author | archshift <admin@archshift.com> | 2014-12-20 16:43:50 +0100 |
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committer | archshift <admin@archshift.com> | 2014-12-21 06:21:49 +0100 |
commit | 0625dd09eaf9158696a9255cb6c6b2bd73122301 (patch) | |
tree | 752f0e9bd60403c1cbb0c3a1ba25f60c9a6925f2 /src/core/file_sys | |
parent | Merge pull request #317 from yuriks/make_unique (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/file_sys/archive_backend.h | 8 | ||||
-rw-r--r-- | src/core/file_sys/archive_romfs.cpp | 6 | ||||
-rw-r--r-- | src/core/file_sys/archive_romfs.h | 8 | ||||
-rw-r--r-- | src/core/file_sys/disk_archive.cpp | 21 | ||||
-rw-r--r-- | src/core/file_sys/disk_archive.h | 1 |
5 files changed, 44 insertions, 0 deletions
diff --git a/src/core/file_sys/archive_backend.h b/src/core/file_sys/archive_backend.h index 18c314884..1b510b695 100644 --- a/src/core/file_sys/archive_backend.h +++ b/src/core/file_sys/archive_backend.h @@ -200,6 +200,14 @@ public: virtual bool DeleteDirectory(const FileSys::Path& path) const = 0; /** + * Create a file specified by its path + * @param path Path relative to the Archive + * @param size The size of the new file, filled with zeroes + * @return File creation result code + */ + virtual ResultCode CreateFile(const Path& path, u32 size) const = 0; + + /** * Create a directory specified by its path * @param path Path relative to the archive * @return Whether the directory could be created diff --git a/src/core/file_sys/archive_romfs.cpp b/src/core/file_sys/archive_romfs.cpp index 1e3e9dc60..32d0777a0 100644 --- a/src/core/file_sys/archive_romfs.cpp +++ b/src/core/file_sys/archive_romfs.cpp @@ -58,6 +58,12 @@ bool Archive_RomFS::DeleteDirectory(const FileSys::Path& path) const { return false; } +ResultCode Archive_RomFS::CreateFile(const Path& path, u32 size) const { + LOG_WARNING(Service_FS, "Attempted to create a file in ROMFS."); + // TODO: Verify error code + return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported, ErrorLevel::Permanent); +} + /** * Create a directory specified by its path * @param path Path relative to the archive diff --git a/src/core/file_sys/archive_romfs.h b/src/core/file_sys/archive_romfs.h index 5b1ee6332..3f5cdebed 100644 --- a/src/core/file_sys/archive_romfs.h +++ b/src/core/file_sys/archive_romfs.h @@ -54,6 +54,14 @@ public: bool DeleteDirectory(const FileSys::Path& path) const override; /** + * Create a file specified by its path + * @param path Path relative to the Archive + * @param size The size of the new file, filled with zeroes + * @return File creation result code + */ + ResultCode CreateFile(const Path& path, u32 size) const override; + + /** * Create a directory specified by its path * @param path Path relative to the archive * @return Whether the directory could be created diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp index eabf58057..f8096ebcf 100644 --- a/src/core/file_sys/disk_archive.cpp +++ b/src/core/file_sys/disk_archive.cpp @@ -35,6 +35,27 @@ bool DiskArchive::DeleteDirectory(const FileSys::Path& path) const { return FileUtil::DeleteDir(GetMountPoint() + path.AsString()); } +ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u32 size) const { + std::string full_path = GetMountPoint() + path.AsString(); + + if (FileUtil::Exists(full_path)) + return ResultCode(ErrorDescription::AlreadyExists, ErrorModule::FS, ErrorSummary::NothingHappened, ErrorLevel::Info); + + if (size == 0) { + FileUtil::CreateEmptyFile(full_path); + return RESULT_SUCCESS; + } + + FileUtil::IOFile file(full_path, "wb"); + // Creates a sparse file (or a normal file on filesystems without the concept of sparse files) + // We do this by seeking to the right size, then writing a single null byte. + if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) + return RESULT_SUCCESS; + + return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource, ErrorLevel::Info); +} + + bool DiskArchive::CreateDirectory(const Path& path) const { return FileUtil::CreateDir(GetMountPoint() + path.AsString()); } diff --git a/src/core/file_sys/disk_archive.h b/src/core/file_sys/disk_archive.h index 778c83953..eaec435d2 100644 --- a/src/core/file_sys/disk_archive.h +++ b/src/core/file_sys/disk_archive.h @@ -28,6 +28,7 @@ public: bool DeleteFile(const FileSys::Path& path) const override; bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; bool DeleteDirectory(const FileSys::Path& path) const override; + ResultCode CreateFile(const Path& path, u32 size) const override; bool CreateDirectory(const Path& path) const override; bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override; |