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go/misc/cgo/stdio/test.go
Russ Cox 9da73612ed cgo: do not reset tag generator between files
Clean up an error message and error exit too.
Insert blank line after "DO NOT EDIT" comment
to keep it from being a doc comment.

Fixes #1213.
Fixes #1222.

R=r
CC=golang-dev
https://golang.org/cl/3608042
2010-12-13 13:20:04 -05:00

145 lines
2.3 KiB
Go

// Copyright 2010 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.
// This file contains test cases for cgo.
package stdio
/*
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <errno.h>
#define SHIFT(x, y) ((x)<<(y))
#define KILO SHIFT(1, 10)
enum E {
Enum1 = 1,
Enum2 = 2,
};
typedef unsigned char uuid_t[20];
void uuid_generate(uuid_t x) {
x[0] = 0;
}
struct S {
int x;
};
extern enum E myConstFunc(struct S* const ctx, int const id, struct S **const filter);
enum E myConstFunc(struct S *const ctx, int const id, struct S **const filter) { return 0; }
// issue 1222
typedef union {
long align;
} xxpthread_mutex_t;
struct ibv_async_event {
union {
int x;
} element;
};
struct ibv_context {
xxpthread_mutex_t mutex;
};
*/
import "C"
import (
"os"
"unsafe"
)
const EINVAL = C.EINVAL /* test #define */
var KILO = C.KILO
func uuidgen() {
var uuid C.uuid_t
C.uuid_generate(&uuid[0])
}
func Size(name string) (int64, os.Error) {
var st C.struct_stat
p := C.CString(name)
_, err := C.stat(p, &st)
C.free(unsafe.Pointer(p))
if err != nil {
return 0, err
}
return int64(C.ulong(st.st_size)), nil
}
func Strtol(s string, base int) (int, os.Error) {
p := C.CString(s)
n, err := C.strtol(p, nil, C.int(base))
C.free(unsafe.Pointer(p))
return int(n), err
}
func Atol(s string) int {
p := C.CString(s)
n := C.atol(p)
C.free(unsafe.Pointer(p))
return int(n)
}
func TestConst() {
C.myConstFunc(nil, 0, nil)
}
func TestEnum() {
if C.Enum1 != 1 || C.Enum2 != 2 {
println("bad enum", C.Enum1, C.Enum2)
}
}
func TestAtol() {
l := Atol("123")
if l != 123 {
println("Atol 123: ", l)
panic("bad atol")
}
}
func TestErrno() {
n, err := Strtol("asdf", 123)
if n != 0 || err != os.EINVAL {
println("Strtol: ", n, err)
panic("bad strtol")
}
}
func TestMultipleAssign() {
p := C.CString("123")
n, m := C.strtol(p, nil, 345), C.strtol(p, nil, 10)
if n != 0 || m != 234 {
println("Strtol x2: ", n, m)
panic("bad strtol x2")
}
C.free(unsafe.Pointer(p))
}
var (
uint = (C.uint)(0)
ulong C.ulong
char C.char
)
type Context struct {
ctx *C.struct_ibv_context
}
func Test() {
TestAlign()
TestAtol()
TestEnum()
TestErrno()
TestConst()
}