936615752a
Copy all the misc/cgo files from the gc toolchain into libgo/misc.
These will be used for testing purposes by later changes to the
gotools directory.
Reviewed-on: https://go-review.googlesource.com/46721
From-SVN: r249674
36 lines
781 B
Go
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)
|
|
}
|
|
}
|
|
}
|