1 // 2 // wrename.cpp 3 // 4 // Copyright (c) Microsoft Corporation. All rights reserved. 5 // 6 // The _wrename() function, which renames a file. 7 // 8 #include <corecrt_internal.h> 9 #include <io.h> 10 11 12 13 // Renames the file named 'old_name' to be named 'new_name'. Returns zero if 14 // successful; returns -1 and sets errno and _doserrno on failure. 15 extern "C" int __cdecl _wrename(wchar_t const* const old_name, wchar_t const* const new_name) 16 { 17 // The MOVEFILE_COPY_ALLOWED flag alloes moving to a different volume. 18 if (!MoveFileExW(old_name, new_name, MOVEFILE_COPY_ALLOWED)) 19 { 20 __acrt_errno_map_os_error(GetLastError()); 21 return -1; 22 } 23 24 return 0; 25 } 26