diff --git a/lib/libc/printf.c b/lib/libc/printf.c index 2715a72d4..45e153ec7 100644 --- a/lib/libc/printf.c +++ b/lib/libc/printf.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2014-2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -108,6 +108,9 @@ int vprintf(const char *fmt, va_list args) /* Check the format specifier */ loop: switch (*fmt) { + case '%': + (void)putchar('%'); + break; case 'i': /* Fall through to next one */ case 'd': num = get_num_va_args(args, l_count);