From 3dd1989ac0c0b699adcfe5c1c0efa2b229fd1e86 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Mon, 7 Jun 2021 13:26:01 +0100 Subject: [PATCH] [libc] Match standard prototype for putchar() Reported-by: Bernhard M. Wiedemann Signed-off-by: Michael Brown --- src/core/console.c | 5 ++++- src/include/stdio.h | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/src/core/console.c b/src/core/console.c index 7fd00036f..2b90809bf 100644 --- a/src/core/console.c +++ b/src/core/console.c @@ -20,11 +20,12 @@ unsigned int console_height = CONSOLE_DEFAULT_HEIGHT; * Write a single character to each console device * * @v character Character to be written + * @ret character Character written * * The character is written out to all enabled console devices, using * each device's console_driver::putchar() method. */ -void putchar ( int character ) { +int putchar ( int character ) { struct console_driver *console; /* Automatic LF -> CR,LF translation */ @@ -37,6 +38,8 @@ void putchar ( int character ) { console->putchar ) console->putchar ( character ); } + + return character; } /** diff --git a/src/include/stdio.h b/src/include/stdio.h index a618482ce..ac17da83d 100644 --- a/src/include/stdio.h +++ b/src/include/stdio.h @@ -6,7 +6,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include #include -extern void putchar ( int character ); +extern int putchar ( int character ); extern int getchar ( void );