Partial sync of HostFS with RPCEmu

arch/filecalls.h

@@ -23,6 +23,12 @@ typedef struct FileInfo
   bool bIsDirectory;
 } FileInfo;
 
+typedef struct DiskInfo
+{
+  uint64_t	size;		/**< Size of disk */
+  uint64_t	free;		/**< Free space on disk */
+} DiskInfo;
+
 /**
  * Directory_Open
  *
@@ -63,6 +69,15 @@ char *Directory_GetNextEntry(Directory *hDirectory, FileInfo *phFileInfo);
  */
 char *Directory_GetFullPath(Directory *hDirectory, const char *leaf);
 
+/**
+ * Return disk space information about a file system.
+ *
+ * @param path Pathname of object within file system
+ * @param d    Pointer to disk_info structure that will be filled in
+ * @return     On success 1 is returned, on error 0 is returned
+ */
+bool Disk_GetInfo(const char *path, DiskInfo *d);
+
 /**
  * File_OpenAppData
  *

arch/filero.c

@@ -120,4 +120,37 @@ char *Directory_GetFullPath(Directory *hDirectory, const char *leaf) {
   return path;
 }
 
+/**
+ * Return disk space information about a file system.
+ *
+ * @param path Pathname of object within file system
+ * @param d    Pointer to disk_info structure that will be filled in
+ * @return     On success true is returned, on error false is returned
+ */
+bool Disk_GetInfo(const char *path, DiskInfo *d)
+{
+  _kernel_oserror *err;
+  unsigned int free_lsw, free_msw, size_lsw, size_msw;
+
+  assert(path);
+
+  err = _swix(OS_FSControl, _INR(0,1)|_OUTR(0,1)|_OUTR(3,4), 55, path,
+              &free_lsw, &free_msw, &size_lsw, &size_msw);
+  if(!err) {
+    d->size = size_lsw | ((uint64_t)size_msw << 32);
+    d->free = free_lsw | ((uint64_t)free_msw << 32);
+    return true;
+  }
+
+  err = _swix(OS_FSControl, _INR(0,1)|_OUT(0)|_OUT(2), 49, path,
+              &free_lsw, &size_lsw);
+  if(!err) {
+    d->size = size_lsw;
+    d->free = free_lsw;
+    return true;
+  }
+
+  return false;
+}
+
 #endif

arch/fileunix.c

@@ -13,6 +13,7 @@
 
 /* posix includes */
 #include <sys/stat.h>
+#include <sys/statvfs.h>
 #include <sys/types.h>
 #include <dirent.h>
 
@@ -167,5 +168,30 @@ static bool File_GetInfo(const char *sPath, FileInfo *phFileInfo)
   return true;
 }
 
+/**
+ * Return disk space information about a file system.
+ *
+ * @param path Pathname of object within file system
+ * @param d    Pointer to disk_info structure that will be filled in
+ * @return     On success true is returned, on error false is returned
+ */
+bool Disk_GetInfo(const char *path, DiskInfo *d)
+{
+	struct statvfs s;
+	int ret;
+
+	assert(path != NULL);
+	assert(d != NULL);
+
+	if ((ret = statvfs(path, &s)) != 0) {
+		return false;
+	}
+
+	d->size = (uint64_t) s.f_blocks * (uint64_t) s.f_frsize;
+	d->free = (uint64_t) s.f_bavail * (uint64_t) s.f_frsize;
+
+	return true;
+}
+
 #endif
 

arch/filewin.c

@@ -139,5 +139,29 @@ char *Directory_GetFullPath(Directory *hDirectory, const char *leaf) {
   return path;
 }
 
+/**
+ * Return disk space information about a file system.
+ *
+ * @param path Pathname of object within file system
+ * @param d    Pointer to disk_info structure that will be filled in
+ * @return     On success true is returned, on error false is returned
+ */
+bool Disk_GetInfo(const char *path, DiskInfo *d)
+{
+	ULARGE_INTEGER free, total;
+
+	assert(path != NULL);
+	assert(d != NULL);
+
+	if (GetDiskFreeSpaceEx(path, &free, &total, NULL) == 0) {
+		return false;
+	}
+
+	d->size = (uint64_t) total.QuadPart;
+	d->free = (uint64_t) free.QuadPart;
+
+	return true;
+}
+
 #endif