Special filesystem handling for PASE

[aremmell]

• Reuse $PATH resolution of binary name from OpenBSD
• Only use fstatat to detect if a file exists when relative to CWD

[coveralls]

Pull Request Test Coverage Report for Build 1529

• 0 of 9 (100.0%) changed or added relevant lines in 2 files are covered.
• 3 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.002%) to 95.485%

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Files with Coverage Reduction	New Missed Lines	%
tests/tests.c	1	97.94%
src/sirhelpers.c	2	94.27%
<!--	Total:	3		-->

Totals
Change from base Build 1518:	0.002%
Covered Lines:	3870
Relevant Lines:	4053

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💛 - Coveralls

[sonarcloud[bot]]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud