+#ifdef CONFIG_SET_DFU_ALT_INFO
+void set_dfu_alt_info(void)
+{
+ size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
+ ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
+ char *alt_info = "Settings not found!";
+ char *status = "error!\n";
+ char *alt_setting;
+ char *alt_sep;
+ int offset = 0;
+
+ puts("DFU alt info setting: ");
+
+ alt_setting = get_dfu_alt_boot();
+ if (alt_setting) {
+ setenv("dfu_alt_boot", alt_setting);
+ offset = snprintf(buf, buf_size, "%s", alt_setting);
+ }
+
+ alt_setting = get_dfu_alt_system();
+ if (alt_setting) {
+ if (offset)
+ alt_sep = ";";
+ else
+ alt_sep = "";
+
+ offset += snprintf(buf + offset, buf_size - offset,
+ "%s%s", alt_sep, alt_setting);
+ }
+
+ if (offset) {
+ alt_info = buf;
+ status = "done\n";
+ }
+
+ setenv("dfu_alt_info", alt_info);
+ puts(status);
+}
+#endif
+