Changeset 987dda8 in mainline

Timestamp:

2011-01-28T12:20:09Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

45c4f5a

Parents:

eb03e92

Message:

Added calback_get() and callback_dispose() convenience functions

Location:

uspace/drv/uhci

Files:

• callback.c (modified) (1 diff)
• callback.h (modified) (2 diffs)

uspace/drv/uhci/callback.c

@@ -3 +3 @@
 
 #include "callback.h"
-
-
 int callback_init(callback_t *instance, device_t *dev,
   void *buffer, size_t size, usbhc_iface_transfer_in_callback_t func_in,

uspace/drv/uhci/callback.h

@@ -64 +64 @@
         callback_init(instance, dev, buffer, size, func, NULL, arg)
 
+static inline callback_t *callback_get(device_t *dev,
+  void *buffer, size_t size, usbhc_iface_transfer_in_callback_t func_in,
+  usbhc_iface_transfer_out_callback_t func_out, void *arg)
+{
+        callback_t *instance = malloc(sizeof(callback_t));
+        if (callback_init(instance, dev, buffer, size, func_in, func_out, arg)) {
+                free(instance);
+                instance = NULL;
+        }
+        return instance;
+}
+
 static inline void callback_fini(callback_t *instance)
 {
@@ -69 +81 @@
         if (instance->new_buffer)
                 trans_free(instance->new_buffer);
+}
+
+static inline void callback_dispose(callback_t *instance)
+{
+        callback_fini(instance);
+        free(instance);
 }