461     FILE *f = NULL;  in mbedtls_entropy_write_seed_file()  local
469     if ((f = fopen(path, "wb")) == NULL) {  in mbedtls_entropy_write_seed_file()
475     mbedtls_setbuf(f, NULL);  in mbedtls_entropy_write_seed_file()
477     if (fwrite(buf, 1, MBEDTLS_ENTROPY_BLOCK_SIZE, f) != MBEDTLS_ENTROPY_BLOCK_SIZE) {  in mbedtls_entropy_write_seed_file()
487     if (f != NULL) {  in mbedtls_entropy_write_seed_file()
488         fclose(f);  in mbedtls_entropy_write_seed_file()
497     FILE *f;  in mbedtls_entropy_update_seed_file()  local
501     if ((f = fopen(path, "rb")) == NULL) {  in mbedtls_entropy_update_seed_file()
506     mbedtls_setbuf(f, NULL);  in mbedtls_entropy_update_seed_file()
508     fseek(f, 0, SEEK_END);  in mbedtls_entropy_update_seed_file()
509     n = (size_t) ftell(f);  in mbedtls_entropy_update_seed_file()
510     fseek(f, 0, SEEK_SET);  in mbedtls_entropy_update_seed_file()
516     if (fread(buf, 1, n, f) != n) {  in mbedtls_entropy_update_seed_file()
522     fclose(f);  in mbedtls_entropy_update_seed_file()