82427d1a07
Older versions of Go do not format these comments, so we can already
reformat them ahead of time to prevent gofmt linting failing once
we update to Go 1.19 or up.
Result of:
gofmt -s -w $(find . -type f -name '*.go' | grep -v "/vendor/")
With some manual adjusting.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package loader
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// https://github.com/golang/go/blob/master/LICENSE
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// This file contains utilities to check for Windows absolute paths on Linux.
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// The code in this file was largely copied from the Golang filepath package
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// https://github.com/golang/go/blob/1d0e94b1e13d5e8a323a63cd1cc1ef95290c9c36/src/path/filepath/path_windows.go#L12-L65
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func isSlash(c uint8) bool {
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return c == '\\' || c == '/'
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}
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// isAbs reports whether the path is a Windows absolute path.
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func isAbs(path string) (b bool) {
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l := volumeNameLen(path)
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if l == 0 {
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return false
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}
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path = path[l:]
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if path == "" {
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return false
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}
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return isSlash(path[0])
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}
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// volumeNameLen returns length of the leading volume name on Windows.
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// It returns 0 elsewhere.
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//
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//nolint:gocyclo
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func volumeNameLen(path string) int {
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if len(path) < 2 {
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return 0
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}
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// with drive letter
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c := path[0]
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if path[1] == ':' && ('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z') {
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return 2
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}
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// is it UNC? https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx
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if l := len(path); l >= 5 && isSlash(path[0]) && isSlash(path[1]) &&
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!isSlash(path[2]) && path[2] != '.' {
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// first, leading `\\` and next shouldn't be `\`. its server name.
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for n := 3; n < l-1; n++ {
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// second, next '\' shouldn't be repeated.
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if isSlash(path[n]) {
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n++
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// third, following something characters. its share name.
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if !isSlash(path[n]) {
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if path[n] == '.' {
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break
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}
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for ; n < l; n++ {
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if isSlash(path[n]) {
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break
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}
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}
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return n
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}
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break
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}
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}
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}
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return 0
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}
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