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authorMichael Brown <mcb30@ipxe.org>2021-06-07 13:26:01 +0100
committerMichael Brown <mcb30@ipxe.org>2021-06-07 13:26:01 +0100
commit3dd1989ac0c0b699adcfe5c1c0efa2b229fd1e86 (patch)
tree2b9a94ed2be8c9e3a3fa6c2ea5c13cb4f9d630b9
parent52300ccf98f94d48dbde84626097c7c22cfdf867 (diff)
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[libc] Match standard prototype for putchar()
Reported-by: Bernhard M. Wiedemann <bwiedemann@suse.de> Signed-off-by: Michael Brown <mcb30@ipxe.org>
-rw-r--r--src/core/console.c5
-rw-r--r--src/include/stdio.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/src/core/console.c b/src/core/console.c
index 7fd0003..2b90809 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 a618482..ac17da8 100644
--- a/src/include/stdio.h
+++ b/src/include/stdio.h
@@ -6,7 +6,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <stdarg.h>
-extern void putchar ( int character );
+extern int putchar ( int character );
extern int getchar ( void );