List selectable links in search results

zet.dpi.c

@@ -136,6 +136,16 @@ static int write_html(int fd, const char *buf, size_t len) {
 	return 0;
 }
 
+static int write_zet_link(int fd, const char *id, const char *title) {
+	if (title == NULL) {
+		return dprintf(fd, " <a href=\"%s\"><strong><code>§%s</code></strong></a>", id, id);
+	}
+	int rc = dprintf(fd, " <a href=\"%s\"><strong>[", id);
+	rc |= write_html(fd, title, strlen(title));
+	rc |= dprintf(fd, "](<code>§%s</code>)</strong></a>", id);
+	return rc;
+}
+
 static int write_topbar(int fd, enum page page, const char *id, const char *title) {
 	int rc = write_buf(fd, "<form action=\"search\">");
 
@@ -163,13 +173,7 @@ static int write_topbar(int fd, enum page page, const char *id, const char *titl
 	rc |= write_buf(fd, ">");
 
 	if (page == PAGE_ZET) {
-		if (title == NULL) {
+		rc |= write_zet_link(fd, id, title);
-			rc |= dprintf(fd, " <a href=\"%s\"><strong><code>§%s</code></strong></a>", id, id);
-		} else {
-			rc |= dprintf(fd, " <a href=\"%s\"><strong>[", id);
-			rc |= write_html(fd, title, strlen(title));
-			rc |= dprintf(fd, "](<code>§%s</code>)</strong></a>", id);
-		}
 	}
 
 	rc |= write_buf(fd, "</form>");
@@ -548,9 +552,9 @@ static int dpi_serve_zet_search(int fd, char *qs) {
 			title[sizeof(title)-1] = '\0';
 			return 0;
 		}
-		rc = dprintf(fd, "<li><a href=\"%s\">", id);
+		rc = write_buf(fd, "<li>");
-		rc |= write_html(fd, title, strlen(title));
+		rc |= write_zet_link(fd, id, title);
-		rc |= write_buf(fd, "</a></li>");
+		rc |= write_buf(fd, "</li>");
 		if (rc < 0) { warnx("dprintf/write_html/write_buf"); close(fd); return 0; }
 	}
 	rc = dprintf(fd, "</ul></body></html>");