Add FSUSER_GetSdmcArchiveResource().

diff --git a/libctru/include/3ds/services/fs.h b/libctru/include/3ds/services/fs.h
index 28628aa3d1f95b6a95c12121eda945a6d08c6ce9..2fced27be3a29524e709e476d6ed85563d6bd1c4 100644 (file)
--- a/libctru/include/3ds/services/fs.h
+++ b/libctru/include/3ds/services/fs.h
@@ -139,6 +139,7 @@ Result FSUSER_CloseArchive(Handle* handle, FS_archive* archive);
 Result FSUSER_CreateDirectory(Handle* handle, FS_archive archive, FS_path dirLowPath);
 Result FSUSER_DeleteFile(Handle *handle, FS_archive archive, FS_path fileLowPath);
 Result FSUSER_DeleteDirectory(Handle *handle, FS_archive archive, FS_path dirLowPath);
+Result FSUSER_GetSdmcArchiveResource(Handle *handle, u32 *sectorSize, u32 *clusterSize, u32 *numClusters, u32 *freeClusters);
 Result FSUSER_IsSdmcDetected(Handle *handle, u32 *detected);
 Result FSUSER_IsSdmcWritable(Handle *handle, u32 *writable);
 

diff --git a/libctru/source/services/fs.c b/libctru/source/services/fs.c
index 22910da3943098f796bf9fa4d9c39239a18c1c91..be5bbd0ba0a659cac580b42de36354b1baa83c2a 100644 (file)
--- a/libctru/source/services/fs.c
+++ b/libctru/source/services/fs.c
@@ -606,6 +606,68 @@ FSUSER_CloseArchive(Handle     *handle,
        return cmdbuf[1];
 }
 
+/*! Get SD FAT information
+ *
+ *  @param[in]  handle       fs:USER handle
+ *  @param[out] sectorSize   Sector size (bytes)
+ *  @param[out] clusterSize  Cluster size (bytes)
+ *  @param[out] numClusters  Total number of clusters
+ *  @param[out] freeClusters Number of free clusters
+ *
+ *  @returns error
+ *
+ *  @internal
+ *
+ *  #### Request
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code [0x08140000]
+ *
+ *  #### Response
+ *
+ *  Index Word | Description
+ *  -----------|-------------------------
+ *  0          | Header code
+ *  1          | Result code
+ *  2          | Sector (bytes)
+ *  3          | Cluster (bytes)
+ *  4          | Partition capacity (clusters)
+ *  5          | Free space (clusters)
+ */
+Result
+FSUSER_GetSdmcArchiveResource(Handle *handle,
+                              u32    *sectorSize,
+                              u32    *clusterSize,
+                              u32    *numClusters,
+                              u32    *freeClusters)
+{
+       if(!handle)
+               handle = &fsuHandle;
+
+       u32 *cmdbuf = getThreadCommandBuffer();
+
+       cmdbuf[0] = 0x08140000;
+
+       Result ret = 0;
+       if((ret = svcSendSyncRequest(*handle)))
+               return ret;
+
+       if(sectorSize)
+               *sectorSize = cmdbuf[2];
+
+       if(clusterSize)
+               *clusterSize = cmdbuf[3];
+
+       if(numClusters)
+               *numClusters = cmdbuf[4];
+
+       if(freeClusters)
+               *freeClusters = cmdbuf[5];
+
+       return cmdbuf[1];
+}
+
 /*! Check if SD card is detected
  *
  *  @param[in]  handle   fs:USER handle