Changeset 299 for trunk/hal/generic/hal_uspace.h

Timestamp:

Jul 31, 2017, 2:19:12 PM (7 years ago)

Author:

max@…

Message:

The uspace strcpy function is allowed to fail (not implemented yet).

File:

• trunk/hal/generic/hal_uspace.h (modified) (3 diffs)

trunk/hal/generic/hal_uspace.h

@@ -64 +64 @@
  * This function tranfers a NUL terminated string from the user space to the kernel space.
  * If the kernel uses physical addresses, it activates the MMU to access the user buffer.
- * TODO : implement the max_size argument handling
+ * TODO : implement the max_size argument handling, and error handling
  *****************************************************************************************
  * @ u_dst     : destination buffer address in user space.
@@ -70 +70 @@
  * @ max_size  : max number of characters to be copied.
  ****************************************************************************************/
-extern void hal_strcpy_from_uspace( char     * k_dst,
-                                    char     * u_src, 
-                                    uint32_t   max_size );
+extern error_t hal_strcpy_from_uspace( char     * k_dst,
+                                       char     * u_src, 
+                                       uint32_t   max_size );
 
 /*****************************************************************************************
  * This function tranfers a NUL terminated string from the kernel space to the user space.
  * If the kernel uses physical addresses, it activates the MMU to access the user buffer.
- * TODO : implement the max_size argument handling
+ * TODO : implement the max_size argument handling, and error handling
  *****************************************************************************************
  * @ u_dst     : destination buffer address in user space.
@@ -83 +83 @@
  * @ max_size  : max number of characters to be copied.
  ****************************************************************************************/
-extern void hal_strcpy_to_uspace( char     * u_dst,
-                                  char     * k_src,
-                                  uint32_t   max_size );
+extern error_t hal_strcpy_to_uspace( char     * u_dst,
+                                     char     * k_src,
+                                     uint32_t   max_size );
 
 /*****************************************************************************************