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qapi: Make visit_next_list()'s comment less confusing

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visit_next_list() returns non-null on success, null on failure.  The
comment's phrasing "until NULL return or error occurs" is needlessly
confusing.  Scratch the "or error occurs" part.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190802122325.16520-1-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2019-08-02 14:23:25 +02:00
parent 2f93a3ecdd
commit 81b49004e0
1 changed files with 4 additions and 4 deletions
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8
include/qapi/visitor.h
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@ -364,10 +364,10 @@ void visit_start_list(Visitor *v, const char *name, GenericList **list,
* @tail must not be NULL; on the first call, @tail is the value of
* *list after visit_start_list(), and on subsequent calls @tail must
* be the previously returned value. Should be called in a loop until
* a NULL return or error occurs; for each non-NULL return, the caller
* then calls the appropriate visit_type_*() for the element type of
* the list, with that function's name parameter set to NULL and obj
* set to the address of @tail->value.
* a NULL return; for each non-NULL return, the caller then calls the
* appropriate visit_type_*() for the element type of the list, with
* that function's name parameter set to NULL and obj set to the
* address of @tail->value.
*/
GenericList *visit_next_list(Visitor *v, GenericList *tail, size_t size);