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Use const casting when it's needed
Keep the lookup operation const and use const casting at the dm_ function level.
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4ea01630ae
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@ -809,8 +809,8 @@ static char *_dup_tok(struct parser *p)
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/*
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* utility functions
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*/
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static struct dm_config_node *_find_config_node(const void *start,
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const char *path)
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static const struct dm_config_node *_find_config_node(const void *start,
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const char *path)
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{
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const char *e;
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const struct dm_config_node *cn = start;
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@ -848,15 +848,15 @@ static struct dm_config_node *_find_config_node(const void *start,
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path = e;
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}
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return (struct dm_config_node *) cn_found;
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return cn_found;
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}
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typedef struct dm_config_node *_node_lookup_fn(const void *start, const char *path);
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typedef const struct dm_config_node *_node_lookup_fn(const void *start, const char *path);
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static struct dm_config_node *_find_first_config_node(const void *start, const char *path)
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static const struct dm_config_node *_find_first_config_node(const void *start, const char *path)
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{
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const struct dm_config_tree *cft = start;
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struct dm_config_node *cn = NULL;
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const struct dm_config_node *cn = NULL;
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while (cft) {
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if ((cn = _find_config_node(cft->root, path)))
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@ -976,7 +976,7 @@ static int _find_config_bool(const void *start, _node_lookup_fn find,
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struct dm_config_node *dm_config_find_node(struct dm_config_node *cn,
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const char *path)
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{
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return _find_config_node(cn, path);
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return (struct dm_config_node *) _find_config_node(cn, path);
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}
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int dm_config_find_int(const struct dm_config_node *cn, const char *path, int fail)
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