Updated userspace

libs/libsys/File.c

@@ -0,0 +1,45 @@
+#include <sysbase.h>
+#include <sysfile.h>
+
+#include "../../../Kernel/syscalls.h"
+
+long __FILE_GetPageSize()
+{
+    static long PageSize = 0;
+    if (PageSize == 0)
+        PageSize = DoCtl(KCTL_GET_PAGE_SIZE, 0, 0, 0, 0);
+    return PageSize;
+}
+
+File *FileOpen(const char *Path, uint64_t Flags)
+{
+    File *FilePtr = (File *)KrnlRequestPages(sizeof(File) / __FILE_GetPageSize() + 1);
+    FilePtr->KernelPrivate = (void *)syscall2(_FileOpen, (uint64_t)Path, Flags);
+    return FilePtr;
+}
+
+void FileClose(File *File)
+{
+    syscall1(_FileClose, (uint64_t)File->KernelPrivate);
+    KrnlFreePages((uintptr_t)File, sizeof(File) / __FILE_GetPageSize() + 1);
+}
+
+uint64_t FileRead(File *File, uint8_t *Buffer, uint64_t Size)
+{
+    return syscall3(_FileRead, (uint64_t)File->KernelPrivate, (uint64_t)Buffer, Size);
+}
+
+uint64_t FileWrite(File *File, uint8_t *Buffer, uint64_t Size)
+{
+    return syscall3(_FileWrite, (uint64_t)File->KernelPrivate, (uint64_t)Buffer, Size);
+}
+
+uint64_t FileSeek(File *File, uint64_t Offset, uint64_t Whence)
+{
+    return syscall3(_FileSeek, (uint64_t)File->KernelPrivate, Offset, Whence);
+}
+
+uint64_t FileStatus(File *File)
+{
+    return syscall1(_FileStatus, (uint64_t)File->KernelPrivate);
+}