// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// res_search, for cgo systems where that is thread-safe.

//go:build cgo && !netgo && (linux || openbsd)

package net

/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>

	}
	defer _C_res_nclose(state)

	// Some res_nsearch implementations (like macOS) do not set errno.
	// They set h_errno, which is not per-thread and useless to us.
	// res_nsearch returns the size of the DNS response packet.
	// But if the DNS response packet contains failure-like response codes,
	// res_search returns -1 even though it has copied the packet into buf,

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// res_nsearch, for cgo systems where that's available.

//go:build cgo && !netgo && unix && !(darwin || linux || openbsd)

package net

/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>

AT&T POSIX Test Files
See textregex.c for copyright + license.

testregex.c	http://www2.research.att.com/~gsf/testregex/testregex.c
basic.dat	http://www2.research.att.com/~gsf/testregex/basic.dat
nullsubexpr.dat	http://www2.research.att.com/~gsf/testregex/nullsubexpr.dat
repetition.dat	http://www2.research.att.com/~gsf/testregex/repetition.dat

The test data has been edited to reflect RE2/Go differences:

Serious about security
======================

Square recognizes the important contributions the security research community
can make. We therefore encourage reporting security issues with the code
contained in this repository.

If you believe you have discovered a security vulnerability, please follow the

#### Option A: Reference colab notebooks

1)  Reference [TensorFlow Model Colab](https://colab.research.google.com/gist/ymodak/e96a4270b953201d5362c61c1e8b78aa/tensorflow-datasets.ipynb?authuser=1): Demonstrate how to build your TF model.

cff-version: 1.2.0
message: "If you use TensorFlow in your research, please cite it using these metadata. Software is available from tensorflow.org."
title: TensorFlow, Large-scale machine learning on heterogeneous systems

func _C_res_ninit(state *_C_struct___res_state) error {
	unix.ResNinit(state)
	return nil
}

func _C_res_nsearch(state *_C_struct___res_state, dname *_C_char, class, typ int, ans *_C_char, anslen int) int {
	x, _ := unix.ResNsearch(state, dname, class, typ, ans, anslen)
	return x
}

func _C_res_nclose(state *_C_struct___res_state) {
	unix.ResNclose(state)
}

func cgoNameinfoPTR(b []byte, sa *syscall.RawSockaddr, salen int) (int, error) {

| 3.x     | ❌ Ended 2021-12-31 | Android 2.3+ (API level 9+) and Java 7+.     |


## Reporting a Vulnerability

Square recognizes the important contributions the security research community
can make. We therefore encourage reporting security issues with the code
contained in this repository.

If you believe you have discovered a security vulnerability, please follow the

		uintptr(unsafe.Pointer(state)),
		0, 0)
}

//go:cgo_import_dynamic libresolv_res_9_nsearch res_9_nsearch "/usr/lib/libresolv.9.dylib"
func libresolv_res_9_nsearch_trampoline()

func ResNsearch(state *ResState, dname *byte, class, typ int, ans *byte, anslen int) (int, error) {
	r1, _, errno := syscall_syscall6(abi.FuncPCABI0(libresolv_res_9_nsearch_trampoline),
		uintptr(unsafe.Pointer(state)),