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Diffstat (limited to 'lib/hash.c')
-rw-r--r--lib/hash.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/lib/hash.c b/lib/hash.c
index 96ccaa7fb..26ea9c475 100644
--- a/lib/hash.c
+++ b/lib/hash.c
@@ -124,8 +124,11 @@ mk_hash_element(char *key, size_t key_len, const void *p)
(struct curl_hash_element *) malloc(sizeof(struct curl_hash_element));
if(he) {
- char *dup = strdup(key);
+ char *dup = malloc(key_len);
if(dup) {
+ /* copy the key */
+ memcpy(dup, key, key_len);
+
he->key = dup;
he->key_len = key_len;
he->ptr = (void *) p;
@@ -179,6 +182,23 @@ Curl_hash_add(struct curl_hash *h, char *key, size_t key_len, void *p)
return NULL; /* failure */
}
+/* remove the identified hash entry, returns non-zero on failure */
+int Curl_hash_delete(struct curl_hash *h, char *key, size_t key_len)
+{
+ struct curl_llist_element *le;
+ struct curl_hash_element *he;
+ struct curl_llist *l = FETCH_LIST(h, key, key_len);
+
+ for (le = l->head; le; le = le->next) {
+ he = le->ptr;
+ if (hash_key_compare(he->key, he->key_len, key, key_len)) {
+ Curl_llist_remove(l, le, (void *) h);
+ return 0;
+ }
+ }
+ return 1;
+}
+
void *
Curl_hash_pick(struct curl_hash *h, char *key, size_t key_len)
{
@@ -186,9 +206,7 @@ Curl_hash_pick(struct curl_hash *h, char *key, size_t key_len)
struct curl_hash_element *he;
struct curl_llist *l = FETCH_LIST(h, key, key_len);
- for (le = l->head;
- le;
- le = le->next) {
+ for (le = l->head; le; le = le->next) {
he = le->ptr;
if (hash_key_compare(he->key, he->key_len, key, key_len)) {
return he->ptr;