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From: "Fabian Grünbichler" <f.gruenbichler@proxmox.com>
To: Proxmox Backup Server development discussion
	<pbs-devel@lists.proxmox.com>
Subject: Re: [pbs-devel] [PATCH proxmox-backup] server/worker_task: remove all trailing newlines when reading task status
Date: Mon, 25 Jan 2021 11:37:21 +0100	[thread overview]
Message-ID: <1611570722.leevyf14px.astroid@nora.none> (raw)
In-Reply-To: <20210125092916.28100-1-d.csapak@proxmox.com>

On January 25, 2021 10:29 am, Dominik Csapak wrote:
> sometimes we may write multiple newlines at the end of tasks,
> for example if an error message contains multiple newlines itself
> 
> simply ignore all newlines at the end of task logs instead of only one
> 
> Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
> ---
> it happened to me during tape cleaning testing, a permission denied
> error had two newlines at the end, and i did not find the source of
> them... anyway i think we should ignore all of them
> 
>  src/server/worker_task.rs | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/server/worker_task.rs b/src/server/worker_task.rs
> index 967814c9..a4b2a35f 100644
> --- a/src/server/worker_task.rs
> +++ b/src/server/worker_task.rs
> @@ -191,7 +191,7 @@ pub fn upid_read_status(upid: &UPID) -> Result<TaskState, Error> {
>      file.read_to_end(&mut data)?;
>  
>      // task logs should end with newline, we do not want it here
> -    if !data.is_empty() && data[data.len()-1] == b'\n' {
> +    while !data.is_empty() && data[data.len()-1] == b'\n' {

while data.last() == Some(&b'\n') {

(same assembly, no potential to introduce off-by-one in the future?)

>          data.pop();
>      }
>  
> -- 
> 2.20.1
> 
> 
> 
> _______________________________________________
> pbs-devel mailing list
> pbs-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
> 
> 
> 




  reply	other threads:[~2021-01-25 10:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-25  9:29 Dominik Csapak
2021-01-25 10:37 ` Fabian Grünbichler [this message]
2021-01-25 10:49   ` Dominik Csapak

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