bootutil: Add boot_loader_state_init

boot_loader_state initialization function.

Signed-off-by: Dominik Ermel <[email protected]>

Author: de-nordic

boot/bootutil/include/bootutil/bootutil.h

@@ -96,6 +96,13 @@ fih_ret context_boot_go(struct boot_loader_state *state, struct boot_rsp *rsp);
  */
 struct boot_loader_state *boot_get_loader_state(void);
 
+/**
+ * Initialize boot_loader_state object
+ *
+ * @param state Bootloader state.
+ */
+void boot_state_init(struct boot_loader_state *state);
+
 #if defined(MCUBOOT_SERIAL_IMG_GRP_SLOT_INFO) || defined(MCUBOOT_DATA_SHARING)
 /**
  * Returns pointer to array of image maximum sizes.

boot/bootutil/src/bootutil_loader.c

@@ -381,3 +381,21 @@ boot_close_all_flash_areas(struct boot_loader_state *state)
     }
 }
 #endif /* !MCUBOOT_SINGLE_APPLICATION_SLOT_RAM_LOAD && !MCUBOOT_SINGLE_APPLICATION_SLOT */
+
+void boot_state_init(struct boot_loader_state *state)
+{
+#if defined(MCUBOOT_ENC_IMAGES)
+    int image;
+    int slot;
+#endif
+
+    memset(state, 0, sizeof(*state));
+
+#if defined(MCUBOOT_ENC_IMAGES)
+    for (image = 0; image < BOOT_IMAGE_NUMBER; ++image) {
+        for (slot = 0; slot < BOOT_NUM_SLOTS; ++slot) {
+            boot_enc_init(&state->enc[image][slot]);
+        }
+    }
+#endif
+}