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Implement fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId and fsWriteSaveDataFileSystemExtraData

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This commit is contained in:
Adubbz 2019-07-23 21:15:46 +10:00
parent f82131596d
commit 0628bf5db4
2 changed files with 83 additions and 1 deletions
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2
nx/include/switch/services/fs.h
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@ -269,7 +269,9 @@ Result fsDeleteSaveDataFileSystemBySaveDataSpaceId(FsSaveDataSpaceId saveDataSpa
Result fsIsExFatSupported(bool* out);
Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handle, FsGameCardPartiton partition);
Result fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId(void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID);
Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID);
Result fsWriteSaveDataFileSystemExtraData(const void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID);
/// Do not call this directly, see fs_dev.h.
Result fsMountSdcard(FsFileSystem* out);

82
nx/source/services/fs.c
View File

@ -776,6 +776,46 @@ Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handl
return rc;
}
Result fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId(void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID) {
if (hosversionBefore(3,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
IpcCommand c;
ipcInitialize(&c);
ipcAddRecvBuffer(&c, buf, len, BufferType_Normal);
struct {
u64 magic;
u64 cmd_id;
u64 saveDataSpaceId;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 57;
raw->saveDataSpaceId = saveDataSpaceId;
raw->saveID = saveID;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID) {
IpcCommand c;
ipcInitialize(&c);
@ -784,7 +824,7 @@ Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID) {
struct {
u64 magic;
u64 cmd_id;
u32 saveID;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
@ -811,6 +851,46 @@ Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID) {
return rc;
}
Result fsWriteSaveDataFileSystemExtraData(const void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID) {
if (hosversionBefore(2,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
IpcCommand c;
ipcInitialize(&c);
ipcAddSendBuffer(&c, buf, len, BufferType_Normal);
struct {
u64 magic;
u64 cmd_id;
u64 saveDataSpaceId;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 59;
raw->saveDataSpaceId = saveDataSpaceId;
raw->saveID = saveID;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
// Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, u128 userID, u64 ownerId, u64 size, u64 journalSize, u32 flags) {
FsSave save = {