[PATCH 1/2] stdlib: Fix __getrandom_nocancel type and arc4random usage (BZ #29638)

[Andreas Schwab]

On Sep 29 2022, H.J. Lu via Libc-alpha wrote:

>> diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h
>> index a263d294b1..cf35c8bfc9 100644
>> --- a/sysdeps/unix/sysv/linux/not-cancel.h
>> +++ b/sysdeps/unix/sysv/linux/not-cancel.h
>> @@ -68,7 +68,7 @@ __writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
>>    INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
>>  }
>>
>> -static inline int
>> +static inline ssize_t
>
> Shouldn't it be __syscall_slong_t?

getrandom can never return more than the size of the buffer.

-- 
Andreas Schwab, schwab@linux-m68k.org
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