Changeset 8a121b1 in mainline for uspace/lib/usbdev/include/usb/dev/dp.h

Timestamp:

2011-10-15T11:58:16Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7c95d6f5

Parents:

2a5b62b

Message:

usb: Make descriptors readonly.

File:

• uspace/lib/usbdev/include/usb/dev/dp.h (modified) (2 diffs)

uspace/lib/usbdev/include/usb/dev/dp.h

@@ -59 +59 @@
 typedef struct {
         /** Used descriptor nesting. */
-        usb_dp_descriptor_nesting_t *nesting;
+        const usb_dp_descriptor_nesting_t *nesting;
 } usb_dp_parser_t;
 
@@ -72 +72 @@
 } usb_dp_parser_data_t;
 
-uint8_t *usb_dp_get_nested_descriptor(usb_dp_parser_t *,
-    usb_dp_parser_data_t *, uint8_t *);
-uint8_t *usb_dp_get_sibling_descriptor(usb_dp_parser_t *,
-    usb_dp_parser_data_t *, uint8_t *, uint8_t *);
+typedef void (*walk_callback_t)(const uint8_t *, size_t, void *);
 
-void usb_dp_walk_simple(uint8_t *, size_t, usb_dp_descriptor_nesting_t *,
-    void (*)(uint8_t *, size_t, void *), void *);
+const uint8_t *usb_dp_get_nested_descriptor(const usb_dp_parser_t *,
+    const usb_dp_parser_data_t *, const uint8_t *);
+const uint8_t *usb_dp_get_sibling_descriptor(const usb_dp_parser_t *,
+    const usb_dp_parser_data_t *, const uint8_t *, const uint8_t *);
+
+void usb_dp_walk_simple(uint8_t *, size_t, const usb_dp_descriptor_nesting_t *,
+    walk_callback_t, void *);
 
 #endif