[gdal-dev] GDAL Process Exit Codes and stderr

[Even Rouault]

Le 10/03/2026 à 19:17, Peter Townsend via gdal-dev a écrit :
> I thought it'd be easiest to just ask.
>
> When you run any of the GDAL executables, is it a safe assumption to 
> say that if the process exit code is 0 that it really did succeed at 
> whatever you told it to do? Despite whether it wrote anything out to 
> stderr?
>
> To word it a bit differently, if the process code is not zero, can I 
> assume that it didn't work out and I should stop whatever I was doing 
> with GDAL?
As a principle, yes, that's how things are supposed to work. But as bugs 
happen, from time to time we fix issues where a 0 error code was 
returned whereas a failure occurs.

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