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fc8c0d61a1
Summary: This allows us to use fastmanifest as a directory to drop in the python module. Test Plan: compiles, passes existing tests. Reviewers: lcharignon Reviewed By: lcharignon Subscribers: mitrandir, mjpieters Differential Revision: https://phabricator.intern.facebook.com/D3351021 Signature: t1:3351021:1464284417:6cbcde514ab1fd7b5caa6c83cb5577f3502dbc58
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
// Copyright 2016-present Facebook. All Rights Reserved.
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//
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// tests.c: convenience functions for unit tests.
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//
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// no-check-code
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#include "node.h"
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#include "tree.h"
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#include "tree_path.h"
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#include "tests.h"
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typedef struct _get_path_unfiltered_metadata_t {
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node_t *node;
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} get_path_unfiltered_metadata_t;
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static find_path_callback_result_t get_path_unfiltered_callback(
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tree_t *tree,
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node_t *const root_parent,
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node_t *root,
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const char *name, const size_t name_sz,
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tree_state_changes_t *changes,
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void *context) {
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get_path_unfiltered_metadata_t *metadata =
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(get_path_unfiltered_metadata_t *) context;
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// does the path already exist?
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node_t *child = get_child_by_name(root, name, name_sz);
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if (child == NULL) {
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return (find_path_callback_result_t) {
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FIND_PATH_NOT_FOUND, root};
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}
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metadata->node = child;
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return (find_path_callback_result_t) {FIND_PATH_OK, root};
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}
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get_path_unfiltered_result_t get_path_unfiltered(
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tree_t *tree,
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const char *path,
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const size_t path_sz) {
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tree_state_changes_t changes = {0};
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get_path_unfiltered_metadata_t metadata;
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node_t *shadow_root = tree->shadow_root;
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node_t *real_root = get_child_by_index(shadow_root, 0);
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if (real_root == NULL) {
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return (get_path_unfiltered_result_t) {GET_PATH_WTF, NULL};
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}
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find_path_result_t result =
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find_path(
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tree,
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shadow_root,
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real_root,
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path, path_sz,
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BASIC_WALK_ALLOW_IMPLICIT_NODES,
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&changes,
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get_path_unfiltered_callback,
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&metadata);
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assert(changes.size_change == 0);
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assert(changes.num_leaf_node_change == 0);
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assert(changes.non_arena_allocations == false);
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switch (result) {
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case FIND_PATH_OK:
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return (get_path_unfiltered_result_t) {GET_PATH_OK, metadata.node};
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case FIND_PATH_NOT_FOUND:
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case FIND_PATH_CONFLICT:
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// `FIND_PATH_CONFLICT` is returned if there is a leaf node where we
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// expect a directory node. this is treated the same as a NOT_FOUND.
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return (get_path_unfiltered_result_t) {GET_PATH_NOT_FOUND, NULL};
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default:
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return (get_path_unfiltered_result_t) {GET_PATH_WTF, NULL};
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}
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}
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