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 } 36
