Merged revisions 66398 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r66398 | file | 2007-05-29 11:43:16 -0400 (Tue, 29 May 2007) | 2 lines

Update datastores documentation. (issue #9801 reported by mnicholson)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@66399 65c4cc65-6c06-0410-ace0-fbb531ad65f3

doc/datastores.txt

@@ -22,9 +22,8 @@ This is a needed structure that contains information about a datastore, it's use
 1. Use ast_channel_datastore_alloc function to return a pre-allocated structure
    Ex: datastore = ast_channel_datastore_alloc(&example_datastore, "uid");
    This function takes two arguments: (datastore info structure, uid)
-2. Attach data and destroy callback to pre-allocated structure.
+2. Attach data to pre-allocated structure.
    Ex: datastore->data = mysillydata;
-       datastore->destroy = callback_destroy;
 3. Add datastore to the channel
    Ex: ast_channel_datastore_add(chan, datastore);
    This function takes two arguments: (pointer to channel, pointer to data store)
@@ -33,13 +32,12 @@ Full Example:
 
 void callback_destroy(void *data)
 {
-	free(data);
+	ast_free(data);
 }
 
 struct ast_datastore *datastore = NULL;
 datastore = ast_channel_datastore_alloc(&example_datastore, NULL);
 datastore->data = mysillydata;
-datastore->destroy = callback_destroy;
 ast_channel_datastore_add(chan, datastore);
 
 NOTE: Because you're passing a pointer to a function in your module, you'll want to include
@@ -53,11 +51,8 @@ this in your use count. When allocated increment, when destroyed decrement.
 2. Remove the data store from the channel
    Ex: ast_channel_datastore_remove(chan, datastore);
    This function takes two arguments: (pointer to channel, pointer to data store)
-3. If we want to now, free the memory or do stuff to the data on the data store
-   If we do then we will want to unset the data and callback
-   Ex: datastore->data = NULL;
-       datastore->destroy = NULL;
-4. Free the data store
+3. If we want to now do stuff to the data on the data store
+4. Free the data store (this will call the destroy call back)
    Ex: ast_channel_datastore_free(datastore);
    This function takes one argument: (pointer to data store)