http-walker: reduce O(n) ops with doubly-linked list

diff --git a/http-push.c b/http-push.c
index ded0b742adffe3b3038f900e2b9e9f6b819cc0e9..a092f0288bd6944be036a1a051a0954216c382e6 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -211,7 +211,7 @@ static void curl_setup_http(CURL *curl, const char *url,
 static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
 {
        struct strbuf buf = STRBUF_INIT;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
 
        if (options & DAV_HEADER_IF) {
                strbuf_addf(&buf, "If: (<%s>)", lock->token);
@@ -417,7 +417,7 @@ static void start_put(struct transfer_request *request)
 static void start_move(struct transfer_request *request)
 {
        struct active_request_slot *slot;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
 
        slot = get_active_slot();
        slot->callback_func = process_response;
@@ -845,7 +845,7 @@ static struct remote_lock *lock_remote(const char *path, long timeout)
        char *ep;
        char timeout_header[25];
        struct remote_lock *lock = NULL;
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        char *escaped;
 
@@ -1126,7 +1126,7 @@ static void remote_ls(const char *path, int flags,
        struct slot_results results;
        struct strbuf in_buffer = STRBUF_INIT;
        struct buffer out_buffer = { STRBUF_INIT, 0 };
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        struct remote_ls_ctx ls;
 
@@ -1204,7 +1204,7 @@ static int locking_available(void)
        struct slot_results results;
        struct strbuf in_buffer = STRBUF_INIT;
        struct buffer out_buffer = { STRBUF_INIT, 0 };
-       struct curl_slist *dav_headers = NULL;
+       struct curl_slist *dav_headers = http_copy_default_headers();
        struct xml_ctx ctx;
        int lock_flags = 0;
        char *escaped;