wchmod.cpp File Reference

#include <corecrt_internal.h>
#include <io.h>
#include <sys/stat.h>

Include dependency graph for wchmod.cpp:

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Functions
int __cdecl	_wchmod (wchar_t const *const path, int const mode)

Function Documentation

_wchmod()

int __cdecl _wchmod	(	wchar_t const *const	path,
		int const	mode
	)

Definition at line 17 of file wchmod.cpp.

{
    _VALIDATE_CLEAR_OSSERR_RETURN(path != nullptr, EINVAL, -1);
 
    WIN32_FILE_ATTRIBUTE_DATA attributes;
    if (!GetFileAttributesExW(path, GetFileExInfoStandard, &attributes))
    {
        __acrt_errno_map_os_error(GetLastError());
        return -1;
    }
 
    // Set or clear the read-only flag:
    if (mode & _S_IWRITE)
    {
        attributes.dwFileAttributes &= ~FILE_ATTRIBUTE_READONLY;
    }
    else
    {
        attributes.dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
    }
 
    if (!SetFileAttributesW(path, attributes.dwFileAttributes))
    {
        __acrt_errno_map_os_error(GetLastError());
        return -1;
    }
 
    return 0;
}