Experiments/libabacus
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Make refcounted returns move consistent.

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This commit is contained in:
Danila Fedorin 2018-05-14 18:34:30 -07:00
parent c3f413d087
commit df50579b5c
4 changed files with 13 additions and 18 deletions
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9
include/ref_trie.h
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@ -38,11 +38,6 @@ struct libab_ref_trie_s {
* The first node in the trie.
*/
struct libab_ref_trie_node_s* head;
/**
* Reference (initialized to NULL) returned
* if no key is found.
*/
libab_ref null_ref;
};
typedef struct libab_ref_trie_node_s libab_ref_trie_node;
@ -78,8 +73,8 @@ libab_result libab_ref_trie_put(libab_ref_trie* trie, const char* key,
* @param key the key to look under.
* @return a reference stored under the given key. This can be a NULL reference.
*/
const libab_ref* libab_ref_trie_get(const libab_ref_trie* trie,
const char* key);
void libab_ref_trie_get(const libab_ref_trie* trie,
const char* key, libab_ref* into);
/**
* Releases the trie, decrementing the refcounts of all
* the values stored inside.

3
include/ref_vec.h
View File

@ -57,9 +57,10 @@ libab_result libab_ref_vec_insert_value(libab_ref_vec* vec, void* data,
* doesn't exist.
* @param vec the vector to get a value from.
* @param index the index to look at.
* @param into the reference to store the result value into.
* @return the reference stored at the given index.
*/
const libab_ref* libab_ref_vec_index(libab_ref_vec* vec, size_t index);
void libab_ref_vec_index(libab_ref_vec* vec, size_t index, libab_ref* into);
/**
* Releases the memory allocated by the vector.
* The references stored in the vector have their refcount decreased.

11
src/ref_trie.c
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@ -2,7 +2,6 @@
#include <stdlib.h>
void libab_ref_trie_init(libab_ref_trie* trie) {
libab_ref_null(&trie->null_ref);
trie->head = NULL;
}
@ -116,8 +115,8 @@ libab_result libab_ref_trie_put(libab_ref_trie* trie, const char* key,
return result;
}
const libab_ref* libab_ref_trie_get(const libab_ref_trie* trie,
const char* key) {
void libab_ref_trie_get(const libab_ref_trie* trie,
const char* key, libab_ref* into) {
libab_ref_trie_node* current = trie->head;
while (current && *key) {
while (current && current->key != *key) {
@ -130,13 +129,13 @@ const libab_ref* libab_ref_trie_get(const libab_ref_trie* trie,
current = current->child;
key++;
} else {
return &current->ref;
libab_ref_copy(&current->ref, into);
return;
}
}
return &trie->null_ref;
libab_ref_null(into);
}
void libab_ref_trie_free(libab_ref_trie* trie) {
_libab_ref_trie_free(trie->head);
libab_ref_free(&trie->null_ref);
}

8
src/ref_vec.c
View File

@ -50,12 +50,12 @@ libab_result libab_ref_vec_insert_value(libab_ref_vec* vec, void* data,
return result;
}
const libab_ref* libab_ref_vec_index(libab_ref_vec* vec, size_t index) {
const libab_ref* to_return = NULL;
void libab_ref_vec_index(libab_ref_vec* vec, size_t index, libab_ref* into) {
if (index < vec->size) {
to_return = &vec->data[index];
libab_ref_copy(&vec->data[index], into);
} else {
libab_ref_null(into);
}
return to_return;
}
void libab_ref_vec_free(libab_ref_vec* vec) {