diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h index 3400c2825..895ad48b7 100644 --- a/libdm/libdevmapper.h +++ b/libdm/libdevmapper.h @@ -1879,6 +1879,7 @@ int dm_config_write_one_node_out(const struct dm_config_node *cn, const struct d struct dm_config_node *dm_config_find_node(const struct dm_config_node *cn, const char *path); int dm_config_has_node(const struct dm_config_node *cn, const char *path); +int dm_config_remove_node(struct dm_config_node *parent, struct dm_config_node *remove); const char *dm_config_find_str(const struct dm_config_node *cn, const char *path, const char *fail); const char *dm_config_find_str_allow_empty(const struct dm_config_node *cn, const char *path, const char *fail); int dm_config_find_int(const struct dm_config_node *cn, const char *path, int fail); diff --git a/libdm/libdm-config.c b/libdm/libdm-config.c index 1bc88e15c..e99ae267e 100644 --- a/libdm/libdm-config.c +++ b/libdm/libdm-config.c @@ -1380,3 +1380,20 @@ struct dm_config_tree *dm_config_flatten(struct dm_config_tree *cft) return res; } + +int dm_config_remove_node(struct dm_config_node *parent, struct dm_config_node *remove) +{ + struct dm_config_node *cn = parent->child, *last = NULL; + while (cn) { + if (cn == remove) { + if (last) + last->sib = cn->sib; + else + parent->child = cn->sib; + return 1; + } + last = cn; + cn = cn->sib; + } + return 0; +}