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authorarchshift <admin@archshift.com>2014-12-20 16:43:50 +0100
committerarchshift <admin@archshift.com>2014-12-21 06:21:49 +0100
commit0625dd09eaf9158696a9255cb6c6b2bd73122301 (patch)
tree752f0e9bd60403c1cbb0c3a1ba25f60c9a6925f2 /src/core/file_sys
parentMerge pull request #317 from yuriks/make_unique (diff)
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Diffstat (limited to 'src/core/file_sys')
-rw-r--r--src/core/file_sys/archive_backend.h8
-rw-r--r--src/core/file_sys/archive_romfs.cpp6
-rw-r--r--src/core/file_sys/archive_romfs.h8
-rw-r--r--src/core/file_sys/disk_archive.cpp21
-rw-r--r--src/core/file_sys/disk_archive.h1
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;