+/* get_dav_token_headers options */
+enum dav_header_flag {
+ DAV_HEADER_IF = (1u << 0),
+ DAV_HEADER_LOCK = (1u << 1),
+ DAV_HEADER_TIMEOUT = (1u << 2)
+};
+
+static char *xml_entities(char *s)
+{
+ struct strbuf buf = STRBUF_INIT;
+ while (*s) {
+ size_t len = strcspn(s, "\"<>&");
+ strbuf_add(&buf, s, len);
+ s += len;
+ switch (*s) {
+ case '"':
+ strbuf_addstr(&buf, """);
+ break;
+ case '<':
+ strbuf_addstr(&buf, "<");
+ break;
+ case '>':
+ strbuf_addstr(&buf, ">");
+ break;
+ case '&':
+ strbuf_addstr(&buf, "&");
+ break;
+ }
+ s++;
+ }
+ return strbuf_detach(&buf, NULL);
+}
+
+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;
+
+ if (options & DAV_HEADER_IF) {
+ strbuf_addf(&buf, "If: (<%s>)", lock->token);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ if (options & DAV_HEADER_LOCK) {
+ strbuf_addf(&buf, "Lock-Token: <%s>", lock->token);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ if (options & DAV_HEADER_TIMEOUT) {
+ strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout);
+ dav_headers = curl_slist_append(dav_headers, buf.buf);
+ strbuf_reset(&buf);
+ }
+ strbuf_release(&buf);
+
+ return dav_headers;
+}
+
+static void append_remote_object_url(struct strbuf *buf, const char *url,
+ const char *hex,
+ int only_two_digit_prefix)
+{
+ strbuf_addf(buf, "%sobjects/%.*s/", url, 2, hex);
+ if (!only_two_digit_prefix)
+ strbuf_addf(buf, "%s", hex+2);
+}
+