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fs/fs_dev: Added fsOpen_BcatSaveData/fsOpen_SystemBcatSaveData and fsdevMountBcatSaveData/fsdevMountSystemBcatSaveData.

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yellows8 2020-04-03 11:04:05 -04:00
parent 014b02db97
commit 918fe2b4d6
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4 changed files with 66 additions and 3 deletions
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11
nx/include/switch/runtime/devices/fs_dev.h
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@ -30,15 +30,22 @@ NX_CONSTEXPR FsDirectoryEntry* fsdevDirGetEntries(fsdev_dir_t *dir)
/// Initializes and mounts the sdmc device if accessible.
Result fsdevMountSdmc(void);
/// Mounts the specified save data.
/// Mounts the specified SaveData.
Result fsdevMountSaveData(const char *name, u64 application_id, AccountUid uid);
/// Mounts the specified BcatSaveData.
Result fsdevMountBcatSaveData(const char *name, u64 application_id);
/// Mounts the specified DeviceSaveData.
Result fsdevMountDeviceSaveData(const char *name, u64 application_id);
/// Mounts the specified system save data.
/// Mounts the specified SystemSaveData.
Result fsdevMountSystemSaveData(const char *name, FsSaveDataSpaceId save_data_space_id, u64 system_save_data_id, AccountUid uid);
/// Mounts the specified SystemBcatSaveData.
/// Only available on [4.0.0+].
Result fsdevMountSystemBcatSaveData(const char *name, u64 system_save_data_id);
/// Mounts the input fs with the specified device name. fsdev will handle closing the fs when required, including when fsdevMountDevice() fails.
/// Returns -1 when any errors occur.
/// Input device name string shouldn't exceed 31 characters, and shouldn't have a trailing colon.

9
nx/include/switch/services/fs.h
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@ -371,14 +371,21 @@ Result fsCreate_SystemSaveData(FsSaveDataSpaceId save_data_space_id, u64 system_
/// See \ref FsSaveDataAttribute for application_id and uid.
Result fsOpen_SaveData(FsFileSystem* out, u64 application_id, AccountUid uid);
/// Wrapper for fsOpenSaveDataFileSystem, for opening BcatSaveData.
Result fsOpen_BcatSaveData(FsFileSystem* out, u64 application_id);
/// Wrapper for fsOpenSaveDataFileSystem, for opening DeviceSaveData.
/// See \ref FsSaveDataAttribute for application_id.
Result fsOpen_DeviceSaveData(FsFileSystem* out, u64 application_id);
/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId.
/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId, for opening SystemSaveData.
/// WARNING: You can brick when writing to SystemSaveData, if the data is corrupted etc.
Result fsOpen_SystemSaveData(FsFileSystem* out, FsSaveDataSpaceId save_data_space_id, u64 system_save_data_id, AccountUid uid);
/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId, for opening SystemBcatSaveData.
/// Only available on [4.0.0+].
Result fsOpen_SystemBcatSaveData(FsFileSystem* out, u64 system_save_data_id);
// IFileSystem
Result fsFsCreateFile(FsFileSystem* fs, const char* path, s64 size, u32 option);
Result fsFsDeleteFile(FsFileSystem* fs, const char* path);

26
nx/source/runtime/devices/fs_dev.c
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@ -465,6 +465,19 @@ Result fsdevMountSaveData(const char *name, u64 application_id, AccountUid uid)
return rc;
}
Result fsdevMountBcatSaveData(const char *name, u64 application_id)
{
FsFileSystem fs;
Result rc = fsOpen_BcatSaveData(&fs, application_id);
if(R_SUCCEEDED(rc))
{
int ret = fsdevMountDevice(name, fs);
if(ret==-1)
rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
}
return rc;
}
Result fsdevMountDeviceSaveData(const char *name, u64 application_id)
{
FsFileSystem fs;
@ -491,6 +504,19 @@ Result fsdevMountSystemSaveData(const char *name, FsSaveDataSpaceId save_data_sp
return rc;
}
Result fsdevMountSystemBcatSaveData(const char *name, u64 system_save_data_id)
{
FsFileSystem fs;
Result rc = fsOpen_SystemBcatSaveData(&fs, system_save_data_id);
if(R_SUCCEEDED(rc))
{
int ret = fsdevMountDevice(name, fs);
if(ret==-1)
rc = MAKERESULT(Module_Libnx, LibnxError_OutOfMemory);
}
return rc;
}
void __libnx_init_cwd(void)
{
if(envIsNso() || __system_argc==0 || __system_argv[0] == NULL)

23
nx/source/services/fs.c
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@ -498,6 +498,16 @@ Result fsOpen_SaveData(FsFileSystem* out, u64 application_id, AccountUid uid) {
return _fsOpen_SaveDataFs(out, &attr);
}
Result fsOpen_BcatSaveData(FsFileSystem* out, u64 application_id) {
FsSaveDataAttribute attr;
memset(&attr, 0, sizeof(attr));
attr.application_id = application_id;
attr.save_data_type = FsSaveDataType_Bcat;
return _fsOpen_SaveDataFs(out, &attr);
}
Result fsOpen_DeviceSaveData(FsFileSystem* out, u64 application_id) {
FsSaveDataAttribute attr;
@ -519,6 +529,19 @@ Result fsOpen_SystemSaveData(FsFileSystem* out, FsSaveDataSpaceId save_data_spac
return fsOpenSaveDataFileSystemBySystemSaveDataId(out, save_data_space_id, &attr);
}
Result fsOpen_SystemBcatSaveData(FsFileSystem* out, u64 system_save_data_id) {
if (hosversionBefore(4,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
FsSaveDataAttribute attr;
memset(&attr, 0, sizeof(attr));
attr.system_save_data_id = system_save_data_id;
attr.save_data_type = FsSaveDataType_SystemBcat;
return fsOpenSaveDataFileSystemBySystemSaveDataId(out, FsSaveDataSpaceId_System, &attr);
}
//-----------------------------------------------------------------------------
// IFileSystem
//-----------------------------------------------------------------------------