wa-lang.org/wazero@v1.0.2/imports/proxywasm/internal/hostcall_utls.go (about)

     1  // Copyright 2021 Tetrate
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package internal
    16  
    17  import (
    18  	"unsafe"
    19  )
    20  
    21  func StringBytePtr(msg string) *byte {
    22  	if len(msg) == 0 {
    23  		return nil
    24  	}
    25  	bt := *(*[]byte)(unsafe.Pointer(&msg))
    26  	return &bt[0]
    27  }