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qobject-input-visitor: Document full_name_nth()

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Backports commit 6c02258e143700314ebf268dae47eb23db17d1cf from qemu
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Markus Armbruster 2018-03-03 17:39:08 -05:00 committed by Lioncash
parent 0d433af617
commit d70f3bfc6b
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1 changed files with 11 additions and 0 deletions
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qemu/qapi/qobject-input-visitor.c
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@ -50,6 +50,17 @@ static QObjectInputVisitor *to_qiv(Visitor *v)
return container_of(v, QObjectInputVisitor, visitor); return container_of(v, QObjectInputVisitor, visitor);
} }
/*
* Find the full name of something @qiv is currently visiting.
* @qiv is visiting something named @name in the stack of containers
* @qiv->stack.
* If @n is zero, return its full name.
* If @n is positive, return the full name of the @n-th container
* counting from the top. The stack of containers must have at least
* @n elements.
* The returned string is valid until the next full_name_nth(@v) or
* destruction of @v.
*/
static const char *full_name_nth(QObjectInputVisitor *qiv, const char *name, static const char *full_name_nth(QObjectInputVisitor *qiv, const char *name,
int n) int n)
{ {