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go/misc/cgo/test/issue12030.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

36 lines
781 B
Go

// Copyright 2015 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.
// Issue 12030. sprintf is defined in both ntdll and msvcrt,
// Normally we want the one in the msvcrt.
package cgotest
/*
#include <stdio.h>
#include <stdlib.h>
void issue12030conv(char *buf, double x) {
sprintf(buf, "d=%g", x);
}
*/
import "C"
import (
"fmt"
"testing"
"unsafe"
)
func test12030(t *testing.T) {
buf := (*C.char)(C.malloc(256))
defer C.free(unsafe.Pointer(buf))
for _, f := range []float64{1.0, 2.0, 3.14} {
C.issue12030conv(buf, C.double(f))
got := C.GoString(buf)
if want := fmt.Sprintf("d=%g", f); got != want {
t.Fatalf("C.sprintf failed for %g: %q != %q", f, got, want)
}
}
}