discover: Let 'boot' user-event boot by name

[petitboot] / discover / device-handler.c

diff --git a/discover/device-handler.c b/discover/device-handler.c
index 9c050293df98cf446a44aa560ad3941dbfa4aa89..cf379e78ca7f7ecc1f52adbca0fedc2e22903fa8 100644 (file)
--- a/discover/device-handler.c
+++ b/discover/device-handler.c
@@ -1404,6 +1404,28 @@ int device_handler_dhcp(struct device_handler *handler,
        return 0;
 }
 
+struct discover_boot_option *device_handler_find_option_by_name(
+               struct device_handler *handler, const char *device,
+               const char *name)
+{
+       size_t len = strlen(name);
+       unsigned int i;
+
+       for (i = 0; i < handler->n_devices; i++) {
+               struct discover_device *dev = handler->devices[i];
+               struct discover_boot_option *opt;
+
+               list_for_each_entry(&dev->boot_options, opt, list)
+                       /* Match exactly, partial matches can be quite common */
+                       if (strlen(opt->option->name) == len &&
+                                       !strcmp(opt->option->name, name))
+                               if (!dev || !strcmp(opt->option->device_id, device))
+                                       return opt;
+       }
+
+       return NULL;
+}
+
 static struct discover_boot_option *find_boot_option_by_id(
                struct device_handler *handler, const char *id)
 {