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authorWim <wim@42.be>2020-07-18 17:27:41 +0200
committerGitHub <noreply@github.com>2020-07-18 17:27:41 +0200
commit23d8742f0d95096b92f11729fb47f86ac3b68d43 (patch)
tree7b8acb02b051ae06e5454fda4a9d5118428fe016 /vendor/github.com/kardianos/osext/osext_sysctl.go
parent3b6a8be07b9422714db30fb50977f342057febf3 (diff)
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Update dependencies for 1.18.0 release (#1175)
Diffstat (limited to 'vendor/github.com/kardianos/osext/osext_sysctl.go')
-rw-r--r--vendor/github.com/kardianos/osext/osext_sysctl.go126
1 files changed, 0 insertions, 126 deletions
diff --git a/vendor/github.com/kardianos/osext/osext_sysctl.go b/vendor/github.com/kardianos/osext/osext_sysctl.go
deleted file mode 100644
index 33cee252..00000000
--- a/vendor/github.com/kardianos/osext/osext_sysctl.go
+++ /dev/null
@@ -1,126 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !go1.8,darwin !go1.8,freebsd openbsd
-
-package osext
-
-import (
- "os"
- "os/exec"
- "path/filepath"
- "runtime"
- "syscall"
- "unsafe"
-)
-
-var initCwd, initCwdErr = os.Getwd()
-
-func executable() (string, error) {
- var mib [4]int32
- switch runtime.GOOS {
- case "freebsd":
- mib = [4]int32{1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1}
- case "darwin":
- mib = [4]int32{1 /* CTL_KERN */, 38 /* KERN_PROCARGS */, int32(os.Getpid()), -1}
- case "openbsd":
- mib = [4]int32{1 /* CTL_KERN */, 55 /* KERN_PROC_ARGS */, int32(os.Getpid()), 1 /* KERN_PROC_ARGV */}
- }
-
- n := uintptr(0)
- // Get length.
- _, _, errNum := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
- if errNum != 0 {
- return "", errNum
- }
- if n == 0 { // This shouldn't happen.
- return "", nil
- }
- buf := make([]byte, n)
- _, _, errNum = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&n)), 0, 0)
- if errNum != 0 {
- return "", errNum
- }
- if n == 0 { // This shouldn't happen.
- return "", nil
- }
-
- var execPath string
- switch runtime.GOOS {
- case "openbsd":
- // buf now contains **argv, with pointers to each of the C-style
- // NULL terminated arguments.
- var args []string
- argv := uintptr(unsafe.Pointer(&buf[0]))
- Loop:
- for {
- argp := *(**[1 << 20]byte)(unsafe.Pointer(argv))
- if argp == nil {
- break
- }
- for i := 0; uintptr(i) < n; i++ {
- // we don't want the full arguments list
- if string(argp[i]) == " " {
- break Loop
- }
- if argp[i] != 0 {
- continue
- }
- args = append(args, string(argp[:i]))
- n -= uintptr(i)
- break
- }
- if n < unsafe.Sizeof(argv) {
- break
- }
- argv += unsafe.Sizeof(argv)
- n -= unsafe.Sizeof(argv)
- }
- execPath = args[0]
- // There is no canonical way to get an executable path on
- // OpenBSD, so check PATH in case we are called directly
- if execPath[0] != '/' && execPath[0] != '.' {
- execIsInPath, err := exec.LookPath(execPath)
- if err == nil {
- execPath = execIsInPath
- }
- }
- default:
- for i, v := range buf {
- if v == 0 {
- buf = buf[:i]
- break
- }
- }
- execPath = string(buf)
- }
-
- var err error
- // execPath will not be empty due to above checks.
- // Try to get the absolute path if the execPath is not rooted.
- if execPath[0] != '/' {
- execPath, err = getAbs(execPath)
- if err != nil {
- return execPath, err
- }
- }
- // For darwin KERN_PROCARGS may return the path to a symlink rather than the
- // actual executable.
- if runtime.GOOS == "darwin" {
- if execPath, err = filepath.EvalSymlinks(execPath); err != nil {
- return execPath, err
- }
- }
- return execPath, nil
-}
-
-func getAbs(execPath string) (string, error) {
- if initCwdErr != nil {
- return execPath, initCwdErr
- }
- // The execPath may begin with a "../" or a "./" so clean it first.
- // Join the two paths, trailing and starting slashes undetermined, so use
- // the generic Join function.
- return filepath.Join(initCwd, filepath.Clean(execPath)), nil
-}