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Differential D42204

ptsname.3: accommodate upcoming POSIX Issue 8 ptsname_r
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Authored by emaste on Oct 13 2023, 8:39 PM.
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rGc90c45ac725b: ptsname.3: accommodate upcoming POSIX Issue 8 ptsname_r
rG6eae573dc229: ptsname.3: accommodate upcoming POSIX Issue 8 ptsname_r
rGa5ed6a815e38: ptsname.3: accommodate upcoming POSIX Issue 8 ptsname_r
Summary
POSIX has accepted a proposal[1] to add glibc-compatible ptsname_r.  It
indicates an error by returning the error number, rather than setting
errno.  Update RETURN VALUES in ptsname_r's man page now to encourage
folks to test != 0 rather than == -1.

[1] https://www.austingroupbugs.net/bug_view_page.php?bug_id=508

Reported by:    Collin Funk
Sponsored by:   The FreeBSD Foundation

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lib/libc/stdlib/ptsname.3

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