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go/misc/cgo/stdio/file.go
Russ Cox 133a158bd8 8c, 8l dynamic loading support.
better mach binaries.
cgo working on darwin+linux amd64+386.
eliminated context switches - pi is 30x faster.
add libcgo to build.

on snow leopard:
  - non-cgo binaries work; all tests pass.
  - cgo binaries work on amd64 but not 386.

R=r
DELTA=2031  (1316 added, 626 deleted, 89 changed)
OCL=35264
CL=35304
2009-10-03 10:37:12 -07:00

44 lines
778 B
Go

// Copyright 2009 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.
/*
A trivial example of wrapping a C library in Go.
For a more complex example and explanation,
see ../gmp/gmp.go.
*/
package stdio
// TODO(rsc): Remove fflushstdout when C.fflush(C.stdout) works in cgo.
/*
#include <stdio.h>
#include <stdlib.h>
void fflushstdout(void) { fflush(stdout); }
*/
import "C"
import "unsafe"
/*
type File C.FILE
var Stdout = (*File)(C.stdout)
var Stderr = (*File)(C.stderr)
func (f *File) WriteString(s string) {
p := C.CString(s);
C.fputs(p, (*C.FILE)(f));
C.free(p);
}
*/
func Puts(s string) {
p := C.CString(s);
C.puts(p);
C.free(unsafe.Pointer(p));
C.fflushstdout();
}