nofollow_posix.go

     1  // Copyright 2024 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build unix && !dragonfly && !freebsd && !netbsd
     6  
     7  package unix
     8  
     9  import "syscall"
    10  
    11  // POSIX.1-2008 says it's ELOOP. Most platforms follow:
    12  //
    13  //   - aix: O_NOFOLLOW not documented (https://www.ibm.com/docs/ssw_aix_73/o_bostechref/open.html), assuming ELOOP
    14  //   - android: see linux
    15  //   - darwin: https://github.com/apple/darwin-xnu/blob/main/bsd/man/man2/open.2
    16  //   - hurd: who knows if it works at all (https://www.gnu.org/software/hurd/open_issues/open_symlink.html)
    17  //   - illumos: https://illumos.org/man/2/open
    18  //   - ios: see darwin
    19  //   - linux: https://man7.org/linux/man-pages/man2/openat.2.html
    20  //   - openbsd: https://man.openbsd.org/open.2
    21  //   - solaris: https://docs.oracle.com/cd/E23824_01/html/821-1463/open-2.html
    22  const noFollowErrno = syscall.ELOOP
    23
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