22 lines
431 B
Go
22 lines
431 B
Go
|
//go:build !go1.20
|
||
|
|
||
|
package fasthttp
|
||
|
|
||
|
import (
|
||
|
"reflect"
|
||
|
"unsafe"
|
||
|
)
|
||
|
|
||
|
// s2b converts string to a byte slice without memory allocation.
|
||
|
//
|
||
|
// Note it may break if string and/or slice header will change
|
||
|
// in the future go versions.
|
||
|
func s2b(s string) (b []byte) {
|
||
|
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
|
||
|
sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
|
||
|
bh.Data = sh.Data
|
||
|
bh.Cap = sh.Len
|
||
|
bh.Len = sh.Len
|
||
|
return b
|
||
|
}
|