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Message-ID: <39be4d66-963c-4e06-e685-37a8396d10c3@gmail.com>
Date: Thu, 25 Jun 2020 08:58:41 -0700
From: Khem Raj <raj.khem@...il.com>
To: musl@...ts.openwall.com, Daniel Santos <daniel.santos@...ox.com>
Cc: daniel@...t.us
Subject: Re: [PATCH] Fix signed compare warning
On 6/24/20 4:20 PM, Daniel Santos wrote:
> Signed-off-by: Daniel Santos <daniel.santos@...ox.com>
> ---
> src/thread/__timedwait.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c
> index 666093be..9829b93e 100644
> --- a/src/thread/__timedwait.c
> +++ b/src/thread/__timedwait.c
> @@ -38,7 +38,7 @@ int __timedwait_cp(volatile int *addr, int val,
> if (priv) priv = FUTEX_PRIVATE;
>
> if (at) {
> - if (at->tv_nsec >= 1000000000UL) return EINVAL;
> + if ((unsigned long)at->tv_nsec >= 1000000000UL) return EINVAL;
> if (__clock_gettime(clk, &to)) return EINVAL;
> to.tv_sec = at->tv_sec - to.tv_sec;
> if ((to.tv_nsec = at->tv_nsec - to.tv_nsec) < 0) {
>
may be use < 0 || >= 1000000000L and avoid the cast.
there is a similar issue in src/thread/pthread_cond_timedwait.c as well
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