lolly/internal/proxy/utils.go
xfy d269940d8b style: fix formatting issues
- Add missing newlines at end of files
- Fix indentation in ssl.go
- Remove extra blank lines

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-04-30 13:42:53 +08:00

38 lines
918 B
Go

package proxy
import (
"bytes"
"unsafe"
)
// b2s converts byte slice to string without allocation.
// WARNING: The returned string shares memory with the original slice.
// Do not modify the slice after calling this function.
func b2s(b []byte) string {
if len(b) == 0 {
return ""
}
return unsafe.String(&b[0], len(b))
}
// s2b converts string to byte slice without allocation.
// WARNING: The returned slice shares memory with the original string.
// Do not modify the slice contents.
func s2b(s string) []byte {
if s == "" {
return nil
}
return unsafe.Slice(unsafe.StringData(s), len(s))
}
// isInWhitelist checks if a header key is in the whitelist.
// Uses bytes.EqualFold for case-insensitive comparison without allocation.
func isInWhitelist(key []byte, whitelist map[string]bool) bool {
for wKey := range whitelist {
if bytes.EqualFold(key, s2b(wKey)) {
return true
}
}
return false
}