+
+size_t
+notmuch_message_file_get_header_size (notmuch_message_file_t *message)
+{
+ if (! message->parsing_finished)
+ notmuch_message_file_get_header (message, NULL);
+
+ if (! message->parsing_finished)
+ INTERNAL_ERROR ("Parsing for NULL header did not force parsing to finish.\n");
+
+ return message->header_size;
+}
+
+const char *
+notmuch_message_file_get_all_headers (notmuch_message_file_t *message)
+{
+ char *headers = NULL;
+ size_t header_size = notmuch_message_file_get_header_size (message);
+
+ if (header_size == 0)
+ return "";
+
+ headers = talloc_size (message, header_size + 1);
+ if (unlikely (headers == NULL))
+ return NULL;
+
+ rewind (message->file);
+ if (fread (headers, 1, header_size, message->file) != header_size) {
+ fprintf (stderr, "Error: Short read occurred trying to read message header.\n");
+ talloc_free (headers);
+ return NULL;
+ }
+
+ headers[header_size] = '\0';
+
+ return headers;
+}