| 51,6 → 51,25 |
|---|
| ofw_root = root; |
| } |
| |
| /** Get OpenFirmware node property. |
| * |
| * @param node Node in which to lookup the property. |
| * @param name Name of the property. |
| * |
| * @return Pointer to the property structure or NULL if no such property. |
| */ |
| ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name) |
| { |
| int i; |
| |
| for (i = 0; i < node->properties; i++) { |
| if (strcmp(node->property[i].name, name) == 0) |
| return &node->property[i]; |
| } |
| |
| return NULL; |
| } |
| |
| /** Return value of the 'name' property. |
| * |
| * @param node Node of interest. |
| 59,35 → 78,49 |
|---|
| */ |
| const char *ofw_tree_node_name(const ofw_tree_node_t *node) |
| { |
| int i; |
| ofw_tree_property_t *prop; |
| |
| for (i = 0; i < node->properties; i++) { |
| if (strncmp(node->property[i].name, "name", strlen("name")) == 0) { |
| if (node->property[i].size < 2) |
| panic("Invalid name property.\n"); |
| return node->property[i].value; |
| } |
| } |
| prop = ofw_tree_getprop(node, "name"); |
| if (!prop) |
| panic("Node without name property.\n"); |
| |
| if (prop->size < 2) |
| panic("Invalid name property.\n"); |
| |
| panic("Node without name property.\n"); |
| return prop->value; |
| } |
| |
| /** Lookup child of given name. |
| * |
| * @param node Node whose child is being looked up. |
| * @param da_name Disambigued name of the child being looked up. |
| * @param name Name of the child being looked up. |
| * |
| * @return NULL if there is no such child or pointer to the matching child node. |
| */ |
| static ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *da_name) |
| static ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name) |
| { |
| ofw_tree_node_t *cur; |
| |
| /* |
| * Try to find the disambigued name. |
| */ |
| for (cur = node->child; cur; cur = cur->peer) { |
| if (strncmp(cur->da_name, da_name, strlen(da_name)) == 0) |
| if (strcmp(cur->da_name, name) == 0) |
| return cur; |
| } |
| |
| /* |
| * Disambigued name not found. |
| * Lets try our luck with possibly ambiguous "name" property. |
| * |
| * We need to do this because paths stored in "/aliases" |
| * are not always fully-qualified. |
| */ |
| for (cur = node->child; cur; cur = cur->peer) { |
| if (strcmp(ofw_tree_node_name(cur), name) == 0) |
| return cur; |
| } |
| |
| return NULL; |
| } |
| |