blob: c3793cbe912cdc237f950dd6df54e32459a76a5b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
//===-- Implementation of wcstombs ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/wchar/wcstombs.h"
#include "hdr/types/char32_t.h"
#include "hdr/types/size_t.h"
#include "hdr/types/wchar_t.h"
#include "src/__support/common.h"
#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include "src/__support/wchar/mbstate.h"
#include "src/__support/wchar/wcsnrtombs.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(size_t, wcstombs,
(char *__restrict s, const wchar_t *__restrict wcs,
size_t n)) {
LIBC_CRASH_ON_NULLPTR(wcs);
static internal::mbstate internal_mbstate;
const wchar_t *wcs_ptr_copy = wcs;
auto result =
internal::wcsnrtombs(s, &wcs_ptr_copy, SIZE_MAX, n, &internal_mbstate);
if (!result.has_value()) {
libc_errno = result.error();
return -1;
}
return result.value();
}
} // namespace LIBC_NAMESPACE_DECL
|
