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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/net/cgo_unix_cgo.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/net/cgo_unix_cgo.go')
-rw-r--r-- | src/net/cgo_unix_cgo.go | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/net/cgo_unix_cgo.go b/src/net/cgo_unix_cgo.go new file mode 100644 index 0000000..97427e6 --- /dev/null +++ b/src/net/cgo_unix_cgo.go @@ -0,0 +1,76 @@ +// 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. + +//go:build cgo && !netgo && unix && !darwin + +package net + +/* +#cgo CFLAGS: -fno-stack-protector +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> + +// If nothing else defined EAI_OVERFLOW, make sure it has a value. +#ifndef EAI_OVERFLOW +#define EAI_OVERFLOW -12 +#endif +*/ +import "C" +import "unsafe" + +const ( + _C_AF_INET = C.AF_INET + _C_AF_INET6 = C.AF_INET6 + _C_AF_UNSPEC = C.AF_UNSPEC + _C_EAI_AGAIN = C.EAI_AGAIN + _C_EAI_NONAME = C.EAI_NONAME + _C_EAI_OVERFLOW = C.EAI_OVERFLOW + _C_EAI_SYSTEM = C.EAI_SYSTEM + _C_IPPROTO_TCP = C.IPPROTO_TCP + _C_IPPROTO_UDP = C.IPPROTO_UDP + _C_SOCK_DGRAM = C.SOCK_DGRAM + _C_SOCK_STREAM = C.SOCK_STREAM +) + +type ( + _C_char = C.char + _C_uchar = C.uchar + _C_int = C.int + _C_uint = C.uint + _C_socklen_t = C.socklen_t + _C_struct_addrinfo = C.struct_addrinfo + _C_struct_sockaddr = C.struct_sockaddr +) + +func _C_GoString(p *_C_char) string { return C.GoString(p) } +func _C_CString(s string) *_C_char { return C.CString(s) } +func _C_FreeCString(p *_C_char) { C.free(unsafe.Pointer(p)) } +func _C_malloc(n uintptr) unsafe.Pointer { return C.malloc(C.size_t(n)) } +func _C_free(p unsafe.Pointer) { C.free(p) } + +func _C_ai_addr(ai *_C_struct_addrinfo) **_C_struct_sockaddr { return &ai.ai_addr } +func _C_ai_canonname(ai *_C_struct_addrinfo) **_C_char { return &ai.ai_canonname } +func _C_ai_family(ai *_C_struct_addrinfo) *_C_int { return &ai.ai_family } +func _C_ai_flags(ai *_C_struct_addrinfo) *_C_int { return &ai.ai_flags } +func _C_ai_next(ai *_C_struct_addrinfo) **_C_struct_addrinfo { return &ai.ai_next } +func _C_ai_protocol(ai *_C_struct_addrinfo) *_C_int { return &ai.ai_protocol } +func _C_ai_socktype(ai *_C_struct_addrinfo) *_C_int { return &ai.ai_socktype } + +func _C_freeaddrinfo(ai *_C_struct_addrinfo) { + C.freeaddrinfo(ai) +} + +func _C_gai_strerror(eai _C_int) string { + return C.GoString(C.gai_strerror(eai)) +} + +func _C_getaddrinfo(hostname, servname *_C_char, hints *_C_struct_addrinfo, res **_C_struct_addrinfo) (int, error) { + x, err := C.getaddrinfo(hostname, servname, hints, res) + return int(x), err +} |