cgo_unix_cgo_res.go

     1  // Copyright 2022 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // res_search, for cgo systems where that is thread-safe.
     6  
     7  //go:build cgo && !netgo && (linux || openbsd)
     8  
     9  package net
    10  
    11  /*
    12  #include <sys/types.h>
    13  #include <sys/socket.h>
    14  #include <netinet/in.h>
    15  #include <netdb.h>
    16  #include <unistd.h>
    17  #include <string.h>
    18  #include <arpa/nameser.h>
    19  #include <resolv.h>
    20  
    21  #cgo !android,!openbsd LDFLAGS: -lresolv
    22  */
    23  import "C"
    24  
    25  type _C_struct___res_state = struct{}
    26  
    27  func _C_res_ninit(state *_C_struct___res_state) error {
    28  	return nil
    29  }
    30  
    31  func _C_res_nclose(state *_C_struct___res_state) {
    32  	return
    33  }
    34  
    35  func _C_res_nsearch(state *_C_struct___res_state, dname *_C_char, class, typ int, ans *_C_uchar, anslen int) (int, error) {
    36  	x, err := C.res_search(dname, C.int(class), C.int(typ), ans, C.int(anslen))
    37  	return int(x), err
    38  }
    39
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