mirror of
https://github.com/therootcompany/golib.git
synced 2026-03-29 13:13:57 +00:00
AJ ONeal
da4cd3aa48
- Add sync.sh to download and apply patches from Go standard library - Add patches/*.diff for transforming internal/filepathlite to winpath - Backup Nextron's original diff for reference - Add .gitignore for orig/ directory - Add README with usage examples and attribution
117 lines
3.3 KiB
Diff
117 lines
3.3 KiB
Diff
--- orig/path_windowsspecific.go 2026-03-28 16:15:19
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+++ path_windowsspecific.go 2026-03-28 16:14:52
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@@ -2,103 +2,28 @@
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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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-package filepath
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+package winpath
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import (
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"os"
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"strings"
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- "syscall"
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)
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-// HasPrefix exists for historical compatibility and should not be used.
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-//
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-// Deprecated: HasPrefix does not respect path boundaries and
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-// does not ignore case when required.
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-func HasPrefix(p, prefix string) bool {
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- if strings.HasPrefix(p, prefix) {
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- return true
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- }
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- return strings.HasPrefix(strings.ToLower(p), strings.ToLower(prefix))
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-}
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-
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-func splitList(path string) []string {
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- // The same implementation is used in LookPath in os/exec;
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- // consider changing os/exec when changing this.
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-
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- if path == "" {
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- return []string{}
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- }
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-
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- // Split path, respecting but preserving quotes.
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- list := []string{}
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- start := 0
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- quo := false
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- for i := 0; i < len(path); i++ {
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- switch c := path[i]; {
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- case c == '"':
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- quo = !quo
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- case c == ListSeparator && !quo:
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- list = append(list, path[start:i])
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- start = i + 1
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- }
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- }
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- list = append(list, path[start:])
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-
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- // Remove quotes.
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- for i, s := range list {
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- list[i] = strings.ReplaceAll(s, `"`, ``)
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- }
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-
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- return list
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-}
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-
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-func abs(path string) (string, error) {
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- if path == "" {
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- // syscall.FullPath returns an error on empty path, because it's not a valid path.
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- // To implement Abs behavior of returning working directory on empty string input,
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- // special-case empty path by changing it to "." path. See golang.org/issue/24441.
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- path = "."
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- }
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- fullPath, err := syscall.FullPath(path)
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- if err != nil {
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- return "", err
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- }
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- return Clean(fullPath), nil
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-}
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-
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-func join(elem []string) string {
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+func Join(elem ...string) string {
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var b strings.Builder
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var lastChar byte
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for _, e := range elem {
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switch {
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case b.Len() == 0:
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- // Add the first non-empty path element unchanged.
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case os.IsPathSeparator(lastChar):
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- // If the path ends in a slash, strip any leading slashes from the next
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- // path element to avoid creating a UNC path (any path starting with "\\")
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- // from non-UNC elements.
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- //
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- // The correct behavior for Join when the first element is an incomplete UNC
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- // path (for example, "\\") is underspecified. We currently join subsequent
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- // elements so Join("\\", "host", "share") produces "\\host\share".
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for len(e) > 0 && os.IsPathSeparator(e[0]) {
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e = e[1:]
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}
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- // If the path is \ and the next path element is ??,
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- // add an extra .\ to create \.\?? rather than \??\
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- // (a Root Local Device path).
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if b.Len() == 1 && strings.HasPrefix(e, "??") && (len(e) == len("??") || os.IsPathSeparator(e[2])) {
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b.WriteString(`.\`)
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}
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case lastChar == ':':
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- // If the path ends in a colon, keep the path relative to the current directory
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- // on a drive and don't add a separator. Preserve leading slashes in the next
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- // path element, which may make the path absolute.
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- //
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- // Join(`C:`, `f`) = `C:f`
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- // Join(`C:`, `\f`) = `C:\f`
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default:
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- // In all other cases, add a separator between elements.
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b.WriteByte('\\')
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lastChar = '\\'
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}
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@@ -112,7 +37,3 @@
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}
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return Clean(b.String())
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}
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-
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-func sameWord(a, b string) bool {
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- return strings.EqualFold(a, b)
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-}
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