From 61f72a34250d063da67f4fc2b0eb8c3fda3376be Mon Sep 17 00:00:00 2001 From: Roberto Vargas Date: Tue, 8 May 2018 10:27:10 +0100 Subject: Create a library file for libc TF Makefile was linking all the objects files generated for the c library instead of creating a static library that could be used in the linking stage. Change-Id: I721daea097e9b13cbb42c9f8eaa2af8fea0799cf Signed-off-by: Roberto Vargas --- lib/libc/putchar.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 lib/libc/putchar.c (limited to 'lib/libc/putchar.c') diff --git a/lib/libc/putchar.c b/lib/libc/putchar.c new file mode 100644 index 00000000..8265667b --- /dev/null +++ b/lib/libc/putchar.c @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include + +/* Putchar() should either return the character printed or EOF in case of error. + * Our current console_putc() function assumes success and returns the + * character. Write all other printing functions in terms of putchar(), if + * possible, so they all benefit when this is improved. + */ +int putchar(int c) +{ + int res; + if (console_putc((unsigned char)c) >= 0) + res = c; + else + res = EOF; + + return res; +} -- cgit v1.2.3