mirror of
https://github.com/golang/go
synced 2024-11-20 05:04:43 -07:00
a2450c1456
* Add documentation about array arguments. Fixes issue 1125. * Do not interpret x, y := z, w as special errno form. Fixes issue 952. * Fix nested Go calls (brainman). Fixes issue 907. R=r CC=golang-dev https://golang.org/cl/2214044
114 lines
1.8 KiB
Go
114 lines
1.8 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This file contains test cases for cgo.
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package stdio
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/*
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <errno.h>
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#define SHIFT(x, y) ((x)<<(y))
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#define KILO SHIFT(1, 10)
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enum {
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Enum1 = 1,
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Enum2 = 2,
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};
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typedef unsigned char uuid_t[20];
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void uuid_generate(uuid_t x) {
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x[0] = 0;
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}
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*/
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import "C"
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import (
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"os"
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"unsafe"
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)
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const EINVAL = C.EINVAL /* test #define */
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var KILO = C.KILO
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func uuidgen() {
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var uuid C.uuid_t
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C.uuid_generate(&uuid[0])
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}
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func Size(name string) (int64, os.Error) {
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var st C.struct_stat
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p := C.CString(name)
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_, err := C.stat(p, &st)
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C.free(unsafe.Pointer(p))
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if err != nil {
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return 0, err
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}
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return int64(C.ulong(st.st_size)), nil
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}
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func Strtol(s string, base int) (int, os.Error) {
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p := C.CString(s)
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n, err := C.strtol(p, nil, C.int(base))
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C.free(unsafe.Pointer(p))
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return int(n), err
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}
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func Atol(s string) int {
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p := C.CString(s)
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n := C.atol(p)
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C.free(unsafe.Pointer(p))
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return int(n)
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}
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func TestEnum() {
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if C.Enum1 != 1 || C.Enum2 != 2 {
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println("bad enum", C.Enum1, C.Enum2)
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}
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}
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func TestAtol() {
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l := Atol("123")
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if l != 123 {
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println("Atol 123: ", l)
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panic("bad atol")
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}
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}
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func TestErrno() {
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n, err := Strtol("asdf", 123)
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if n != 0 || err != os.EINVAL {
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println("Strtol: ", n, err)
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panic("bad strtol")
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}
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}
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func TestMultipleAssign() {
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p := C.CString("123")
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n, m := C.strtol(p, nil, 345), C.strtol(p, nil, 10)
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if n != 0 || m != 234 {
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println("Strtol x2: ", n, m)
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panic("bad strtol x2")
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}
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C.free(unsafe.Pointer(p))
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}
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var (
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uint = (C.uint)(0)
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ulong C.ulong
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char C.char
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)
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func Test() {
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TestAlign()
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TestAtol()
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TestEnum()
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TestErrno()
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}
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