Commit ed91d9b1c2f697a39116da46b553dfc89474f490
2025-03-12T18:55:26
dup3: Fix behavior for equal file descriptors on Haiku. * lib/dup3.c (dup3) [__HAIKU__]: Set errno to EINVAL and return -1 if both file descriptors are equal. * doc/posix-functions/dup3.texi: Document the Haiku bug.