sandbox: Prepare API change for files greater than 2GB

Change the internal sandbox functions to use loff_t for file offsets.

Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>

Acked-by: Simon Glass <sjg@chromium.org>

2 files changed, 7 insertions, 4 deletions

diff --git a/include/os.h b/include/os.h
index 0230a7f..e3645e0 100644
--- a/include/os.h
+++ b/include/os.h
@@ -217,9 +217,10 @@ const char *os_dirent_get_typename(enum os_dirent_t type);
  * Get the size of a file
  *
  * @param fname		Filename to check
- * @return size of file, or -1 if an error ocurred
+ * @param size		size of file is returned if no error
+ * @return 0 on success or -1 if an error ocurred
  */
-ssize_t os_get_filesize(const char *fname);
+int os_get_filesize(const char *fname, loff_t *size);
 
 /**
  * Write a character to the controlling OS terminal
diff --git a/include/sandboxfs.h b/include/sandboxfs.h
index e7c3262..8e5da6b 100644
--- a/include/sandboxfs.h
+++ b/include/sandboxfs.h
@@ -20,8 +20,10 @@
 
 int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info);
 
-long sandbox_fs_read_at(const char *filename, unsigned long pos,
-			     void *buffer, unsigned long maxsize);
+int sandbox_fs_read_at(const char *filename, loff_t pos, void *buffer,
+		       loff_t maxsize, loff_t *actread);
+int sandbox_fs_write_at(const char *filename, loff_t pos, void *buffer,
+			loff_t maxsize, loff_t *actwrite);
 
 void sandbox_fs_close(void);
 int sandbox_fs_ls(const char *dirname);