+/* Return the number of files matching the query, or -1 for an error */
+static int
+count_files (notmuch_query_t *query)
+{
+ notmuch_messages_t *messages;
+ notmuch_message_t *message;
+ notmuch_filenames_t *filenames;
+ notmuch_status_t status;
+ int count = 0;
+
+ status = notmuch_query_search_messages (query, &messages);
+ if (print_status_query ("notmuch count", query, status))
+ return -1;
+
+ for (;
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages)) {
+ message = notmuch_messages_get (messages);
+ filenames = notmuch_message_get_filenames (message);
+
+ for (;
+ notmuch_filenames_valid (filenames);
+ notmuch_filenames_move_to_next (filenames))
+ count++;
+
+ notmuch_filenames_destroy (filenames);
+ notmuch_message_destroy (message);
+ }
+
+ notmuch_messages_destroy (messages);
+
+ return count;
+}
+
+/* return 0 on success, -1 on failure */
+static int
+print_count (notmuch_database_t *notmuch, const char *query_str,
+ const char **exclude_tags, size_t exclude_tags_length, int output, int print_lastmod)
+{
+ notmuch_query_t *query;
+ size_t i;
+ int count;
+ unsigned int ucount;
+ unsigned long revision;
+ const char *uuid;
+ int ret = 0;
+ notmuch_status_t status;
+
+ query = notmuch_query_create (notmuch, query_str);
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return -1;
+ }
+
+ for (i = 0; i < exclude_tags_length; i++) {
+ status = notmuch_query_add_tag_exclude (query, exclude_tags[i]);
+ if (status && status != NOTMUCH_STATUS_IGNORED) {
+ print_status_query ("notmuch count", query, status);
+ return -1;
+ }
+ }
+
+ switch (output) {
+ case OUTPUT_MESSAGES:
+ status = notmuch_query_count_messages (query, &ucount);
+ if (print_status_query ("notmuch count", query, status))
+ return -1;
+ printf ("%u", ucount);
+ break;
+ case OUTPUT_THREADS:
+ status = notmuch_query_count_threads (query, &ucount);
+ if (print_status_query ("notmuch count", query, status))
+ return -1;
+ printf ("%u", ucount);
+ break;
+ case OUTPUT_FILES:
+ count = count_files (query);
+ if (count >= 0) {
+ printf ("%d", count);
+ } else {
+ ret = -1;
+ goto DONE;
+ }
+ break;
+ }
+
+ if (print_lastmod) {
+ revision = notmuch_database_get_revision (notmuch, &uuid);
+ printf ("\t%s\t%lu\n", uuid, revision);
+ } else {
+ fputs ("\n", stdout);
+ }
+
+ DONE:
+ notmuch_query_destroy (query);
+
+ return ret;
+}
+
+static int
+count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
+ size_t exclude_tags_length, int output, int print_lastmod)
+{
+ char *line = NULL;
+ ssize_t line_len;
+ size_t line_size;
+ int ret = 0;
+
+ while (! ret && (line_len = getline (&line, &line_size, input)) != -1) {
+ chomp_newline (line);
+ ret = print_count (notmuch, line, exclude_tags, exclude_tags_length,
+ output, print_lastmod);
+ }
+
+ if (line)
+ free (line);
+
+ return ret;
+}