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https://github.com/golang/go
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1e95429c3f
Enhances test/run.go to support testing other directories Will enable stdio tests on Windows in a follow-up CL. R=golang-dev, alex.brainman, rsc CC=golang-dev https://golang.org/cl/6220049
45 lines
875 B
Go
45 lines
875 B
Go
// skip
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// Copyright 2009 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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/*
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A trivial example of wrapping a C library in Go.
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For a more complex example and explanation,
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see ../gmp/gmp.go.
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*/
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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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char* greeting = "hello, world";
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*/
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import "C"
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import "unsafe"
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type File C.FILE
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// Test reference to library symbol.
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// Stdout and stderr are too special to be a reliable test.
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//var = C.environ
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func (f *File) WriteString(s string) {
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p := C.CString(s)
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C.fputs(p, (*C.FILE)(f))
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C.free(unsafe.Pointer(p))
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f.Flush()
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}
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func (f *File) Flush() {
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C.fflush((*C.FILE)(f))
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}
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var Greeting = C.GoString(C.greeting)
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var Gbytes = C.GoBytes(unsafe.Pointer(C.greeting), C.int(len(Greeting)))
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