+ int retval = -1;
+ struct image_type_params *curr;
+
+ struct image_type_params *start = ll_entry_start(
+ struct image_type_params, image_type);
+ struct image_type_params *end = ll_entry_end(
+ struct image_type_params, image_type);
+
+ for (curr = start; curr != end; curr++) {
+ if (curr->verify_header) {
+ retval = curr->verify_header((unsigned char *)ptr,
+ sbuf->st_size, params);
+
+ if (retval == 0) {
+ /*
+ * Print the image information if verify is
+ * successful
+ */
+ if (curr->print_header) {
+ curr->print_header(ptr);
+ } else {
+ fprintf(stderr,
+ "%s: print_header undefined for %s\n",
+ params->cmdname, curr->name);
+ }
+ break;
+ }
+ }
+ }
+
+ return retval;
+}
+
+int imagetool_save_subimage(
+ const char *file_name,
+ ulong file_data,
+ ulong file_len)
+{
+ int dfd;
+
+ dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
+ S_IRUSR | S_IWUSR);
+ if (dfd < 0) {
+ fprintf(stderr, "Can't open \"%s\": %s\n",
+ file_name, strerror(errno));
+ return -1;
+ }
+
+ if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
+ fprintf(stderr, "Write error on \"%s\": %s\n",
+ file_name, strerror(errno));
+ close(dfd);
+ return -1;
+ }
+
+ close(dfd);
+
+ return 0;