f0rmz: new subproject to create a form/wizard setup thing

shared/backends.c

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2022 Eugenio Paolantonio (g7)
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+
+#include "backends.h"
+
+#include "../shared/log.h"
+
+#include <string.h>
+
+
+/**
+ * Public interface
+ */
+
+const char *bbx_backends_backends[] = {
+#if LV_USE_LINUX_FBDEV
+    "fbdev",
+#endif /* LV_USE_LINUX_FBDEV */
+#if LV_USE_LINUX_DRM
+    "drm",
+#endif /* LV_USE_LINUX_DRM */
+    NULL
+};
+
+bbx_backends_backend_id_t bbx_backends_find_backend_with_name(const char *name) {
+    for (int i = 0; bbx_backends_backends[i] != NULL; ++i) {
+        if (strcmp(bbx_backends_backends[i], name) == 0) {
+            bbx_log(BBX_LOG_LEVEL_VERBOSE, "Found backend: %s\n", name);
+            return i;
+        }
+    }
+    bbx_log(BBX_LOG_LEVEL_WARNING, "Backend %s not found\n", name);
+    return BBX_BACKENDS_BACKEND_NONE;
+}