mirror of
https://github.com/golang/go
synced 2024-11-18 01:54:45 -07:00
918396b3e1
Permit the C preamble to use the _GoString_ type. Permit Go code to pass string values directly to those C types. Add accessors for C code to retrieve sizes and pointers. Fixes #6907 Change-Id: I190c88319ec88a3ef0ddb99f342a843ba69fcaa3 Reviewed-on: https://go-review.googlesource.com/70890 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Austin Clements <austin@google.com>
34 lines
645 B
Go
34 lines
645 B
Go
// Copyright 2017 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.
|
|
|
|
package cgotest
|
|
|
|
/*
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
char* Issue6907CopyString(_GoString_ s) {
|
|
size_t n;
|
|
const char *p;
|
|
char *r;
|
|
|
|
n = _GoStringLen(s);
|
|
p = _GoStringPtr(s);
|
|
r = malloc(n + 1);
|
|
memmove(r, p, n);
|
|
r[n] = '\0';
|
|
return r;
|
|
}
|
|
*/
|
|
import "C"
|
|
|
|
import "testing"
|
|
|
|
func test6907(t *testing.T) {
|
|
want := "yarn"
|
|
if got := C.GoString(C.Issue6907CopyString(want)); got != want {
|
|
t.Errorf("C.GoString(C.Issue6907CopyString(%q)) == %q, want %q", want, got, want)
|
|
}
|
|
}
|