Mercurial > hg > CbC > CbC_gcc
comparison libgo/misc/cgo/test/issue12030.go @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 // Copyright 2015 The Go Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style | |
| 3 // license that can be found in the LICENSE file. | |
| 4 | |
| 5 // Issue 12030. sprintf is defined in both ntdll and msvcrt, | |
| 6 // Normally we want the one in the msvcrt. | |
| 7 | |
| 8 package cgotest | |
| 9 | |
| 10 /* | |
| 11 #include <stdio.h> | |
| 12 #include <stdlib.h> | |
| 13 void issue12030conv(char *buf, double x) { | |
| 14 sprintf(buf, "d=%g", x); | |
| 15 } | |
| 16 */ | |
| 17 import "C" | |
| 18 | |
| 19 import ( | |
| 20 "fmt" | |
| 21 "testing" | |
| 22 "unsafe" | |
| 23 ) | |
| 24 | |
| 25 func test12030(t *testing.T) { | |
| 26 buf := (*C.char)(C.malloc(256)) | |
| 27 defer C.free(unsafe.Pointer(buf)) | |
| 28 for _, f := range []float64{1.0, 2.0, 3.14} { | |
| 29 C.issue12030conv(buf, C.double(f)) | |
| 30 got := C.GoString(buf) | |
| 31 if want := fmt.Sprintf("d=%g", f); got != want { | |
| 32 t.Fatalf("C.sprintf failed for %g: %q != %q", f, got, want) | |
| 33 } | |
| 34 } | |
| 35 } |