huwcampbell.com
Reactos
1//
2// rename.cpp
3//
4// Copyright (c) Microsoft Corporation. All rights reserved.
5//
6// The rename() function, which renames a file.
7//
8#include <corecrt_internal.h>
9#include <io.h>
10#include <corecrt_internal_win32_buffer.h>
11
12
13
14// See _wrename() for details about the behavior of this function. (This
15// function simply converts the multibyte strings to wide strings and calls
16// _wrename().)
17extern "C" int __cdecl rename(char const* const old_name, char const* const new_name)
18{
19 unsigned int const code_page = __acrt_get_utf8_acp_compatibility_codepage();
20
21 __crt_internal_win32_buffer<wchar_t> wide_old_name;
22
23 errno_t cvt1 = __acrt_mbs_to_wcs_cp(old_name, wide_old_name, code_page);
24 if (cvt1 != 0)
25 {
26 errno = cvt1;
27 return -1;
28 }
29
30 __crt_internal_win32_buffer<wchar_t> wide_new_name;
31 errno_t cvt2 = __acrt_mbs_to_wcs_cp(new_name, wide_new_name, code_page);
32 if (cvt2 != 0)
33 {
34 errno = cvt2;
35 return -1;
36 }
37
38 return _wrename(wide_old_name.data(), wide_new_name.data());
39}