Re: Write to file #agl #koi #permissions

["Stephane Desneux" <stephane.desneux@xxxxxxx>]

Hi Francesco,

What's the path of the file? Do you have write permissions (DAC & SMACK) on it?

Try to write in a public dir (for example /tmp), and in the service working dir,
which should be writable for the service only.

HTH
---
Stephane Desneux - CTO - IoT.bzh
stephane.desneux@xxxxxxx - www.iot.bzh

On 05/07/2021 16:33, Francesco ARGENTIERI (KINETON) wrote:
> Hi everyone, I developed a custom service, now I want to save the current status
> as a JSON file.
> The code seems to work fine, but the result is a blank file. How it is possible?
> Can you help me? My code is shown below:
> 
> |void writeFile(){ std::ofstream o(f); o << std::setw(4) << out << std::endl;
> o.close(); } |
> 
> The blank file has already installed together with the service.
> 
> 


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