Improve is_file and posix_searchpath

GreycLab / CImg

The CImg Library is a small and open-source C++ toolkit for image processing

http://cimg.eu

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Closed apocelipes closed 1 month ago

apocelipes commented 1 month ago

On unix-like systems, use stat to check if the path is a file, this is more clear and faster than using fopen
use is_file instead of access, which is more portable and can give us correct results under a setuid/setgid program (access only uses the real UID and real GID sometime can run into problems)

dtschump commented 1 month ago

Thanks for the contribution. If possible, next time, could you please do the PR for the 'develop' branch instead?

apocelipes commented 1 month ago

If possible, next time, could you please do the PR for the 'develop' branch instead?

OK. I got it.