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* [hurd,commited] hurd: Fix _NOFLSH value
@ 2023-01-15 19:56 Samuel Thibault
  2023-01-16  8:36 ` Philippe Mathieu-Daudé
  0 siblings, 1 reply; 2+ messages in thread
From: Samuel Thibault @ 2023-01-15 19:56 UTC (permalink / raw)
  To: libc-alpha; +Cc: Samuel Thibault, commit-hurd

shifting 1 (thus an integer) left 31 bit is undefined behavior. We have to
make it an unsigned integer to properly get 0x80000000 (like done in other
places).
---
 bits/termios.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bits/termios.h b/bits/termios.h
index ae62d00853..4439c2f14e 100644
--- a/bits/termios.h
+++ b/bits/termios.h
@@ -246,7 +246,7 @@ struct termios
 # define NOKERNINFO (1 << 25)	/* Disable VSTATUS.  */
 # define PENDIN	(1 << 29)	/* Retype pending input (state).  */
 #endif
-#define	_NOFLSH	(1 << 31)	/* Disable flush after interrupt.  */
+#define	_NOFLSH	(1U << 31)	/* Disable flush after interrupt.  */
 #define	NOFLSH	_NOFLSH
 
   /* Control characters.  */
-- 
2.39.0


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [hurd,commited] hurd: Fix _NOFLSH value
  2023-01-15 19:56 [hurd,commited] hurd: Fix _NOFLSH value Samuel Thibault
@ 2023-01-16  8:36 ` Philippe Mathieu-Daudé
  0 siblings, 0 replies; 2+ messages in thread
From: Philippe Mathieu-Daudé @ 2023-01-16  8:36 UTC (permalink / raw)
  To: Samuel Thibault, libc-alpha; +Cc: commit-hurd

On 15/1/23 20:56, Samuel Thibault wrote:
> shifting 1 (thus an integer) left 31 bit is undefined behavior. We have to
> make it an unsigned integer to properly get 0x80000000 (like done in other
> places).
> ---
>   bits/termios.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



^ permalink raw reply	[flat|nested] 2+ messages in thread

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2023-01-15 19:56 [hurd,commited] hurd: Fix _NOFLSH value Samuel Thibault
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