[PATCH] Fix 'cbaud_to_speed' defined but not used on LA32

[mengqinggang]

在 2026/4/14 10:11, H.J. Lu 写道:
> On Tue, Apr 14, 2026 at 9:46 AM mengqinggang <mengqinggang@loongson.cn> wrote:
>> Gentle ping.
>>
> What is LA32?

The abbreviation of  LoongArch32.

Thanks,
Meng


>
>> 在 2026/3/23 15:16, mengqinggang 写道:
>>
>> cbaud_to_speed defined without condition, but used
>> if TEST_COMPAT (libc, GLIBC_2_0, GLIBC_2_42)
>>
>> If the condition is not met, a defined but not used
>> warning will be issued.
>>
>> Define cbaud_to_speed if TEST_COMPAT (libc, GLIBC_2_0, GLIBC_2_42)
>> is true.
>> ---
>>   sysdeps/unix/sysv/linux/tst-termios-linux.c | 24 ++++++++++-----------
>>   1 file changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/sysdeps/unix/sysv/linux/tst-termios-linux.c b/sysdeps/unix/sysv/linux/tst-termios-linux.c
>> index 6495b435e8..d9c3284e1c 100644
>> --- a/sysdeps/unix/sysv/linux/tst-termios-linux.c
>> +++ b/sysdeps/unix/sysv/linux/tst-termios-linux.c
>> @@ -163,18 +163,6 @@ static speed_t speed_to_cbaud (speed_t speed)
>>     return ct->cbaud;
>>   }
>>
>> -/* Returns ANY if cbaud is __BOTHER, or BOGUS if invalid */
>> -static speed_t cbaud_to_speed (speed_t cbaud)
>> -{
>> -  const struct cbaud_table *ct;
>> -  for (ct = cbaud_table; ct->cbaud != BOGUS; ct++)
>> -    {
>> -      if (ct->cbaud == cbaud)
>> - break;
>> -    }
>> -  return ct->speed;
>> -}
>> -
>>   static const char *cbaud_name (speed_t cbaud)
>>   {
>>     const struct cbaud_table *ct;
>> @@ -514,6 +502,18 @@ old_tcspeed_test (int fd, speed_t speed)
>>     check_speeds_tc (fd, speed, speed);
>>   }
>>
>> +/* Returns ANY if cbaud is __BOTHER, or BOGUS if invalid */
>> +static speed_t cbaud_to_speed (speed_t cbaud)
>> +{
>> +  const struct cbaud_table *ct;
>> +  for (ct = cbaud_table; ct->cbaud != BOGUS; ct++)
>> +    {
>> +      if (ct->cbaud == cbaud)
>> + break;
>> +    }
>> +  return ct->speed;
>> +}
>> +
>>   /* Verify that invalid CBAUD values return error for the old interfaces */
>>   static void
>>   old_invalid_speeds_test (int fd)
>
>