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cli: simplify mime node walk

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The function is more straighforward to read when it's clear that the
only non-NULL return is at one place. No functional changes.
This commit is contained in:
Jani Nikula 2017-01-06 22:14:49 +02:00 committed by David Bremner
parent 8481372956
commit 069362ee10
1 changed files with 7 additions and 6 deletions
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13
mime-node.c
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@ -322,20 +322,21 @@ mime_node_child (mime_node_t *parent, int child)
static mime_node_t *
_mime_node_seek_dfs_walk (mime_node_t *node, int *n)
{
mime_node_t *ret = NULL;
int i;
if (*n == 0)
return node;
*n -= 1;
for (i = 0; i < node->nchildren && !ret; i++) {
for (i = 0; i < node->nchildren; i++) {
mime_node_t *child = mime_node_child (node, i);
ret = _mime_node_seek_dfs_walk (child, n);
if (!ret)
talloc_free (child);
mime_node_t *ret = _mime_node_seek_dfs_walk (child, n);
if (ret)
return ret;
talloc_free (child);
}
return ret;
return NULL;
}
mime_node_t *