+// parses crit1=val1,crit2=val2,...
+static struct database_criterion *parse_filter(NMEM m, const char *buf)
+{
+ struct database_criterion *res = 0;
+ char **values;
+ int num;
+ int i;
+
+ if (!buf || !*buf)
+ return 0;
+ nmem_strsplit(m, ",", buf, &values, &num);
+ for (i = 0; i < num; i++)
+ {
+ struct database_criterion *new = nmem_malloc(m, sizeof(*new));
+ char *eq = strchr(values[i], '=');
+ if (!eq)
+ {
+ yaz_log(YLOG_WARN, "Missing equal-sign in filter");
+ return 0;
+ }
+ *(eq++) = '\0';
+ new->name = values[i];
+ new->value = eq;
+ new->next = res;
+ res = new;
+ }
+ return res;
+}
+
+char *search(struct session *se, char *query, char *filter)