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/*
SPDX-FileCopyrightText: 2003-2005 Jaroslaw Staniek <staniek@kde.org>
SPDX-FileCopyrightText: 2005 Christian Ehrlicher <Ch.Ehrlicher@gmx.de>
SPDX-FileCopyrightText: 2014 Kevin Funk <kfunk@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "helper.h"
#include <QDateTime>
#ifndef Q_OS_WIN
#include <sys/time.h>
#else
#include <windows.h>
#include <winsock2.h>
#endif
namespace {
#ifdef Q_OS_WIN
// Copied from kdewin.git's src/time.c
#define KDE_SECONDS_SINCE_1601 11644473600LL
#define KDE_USEC_IN_SEC 1000000LL
void UnixTimevalToFileTime(struct timeval t, LPFILETIME pft)
{
LONGLONG ll;
ll = Int32x32To64(t.tv_sec, KDE_USEC_IN_SEC*10) + t.tv_usec*10 + KDE_SECONDS_SINCE_1601*KDE_USEC_IN_SEC*10;
pft->dwLowDateTime = (DWORD)ll;
pft->dwHighDateTime = ll >> 32;
}
int utimes(const char *filename, const struct timeval times[2])
{
FILETIME LastAccessTime;
FILETIME LastModificationTime;
HANDLE hFile;
if(times) {
UnixTimevalToFileTime(times[0], &LastAccessTime);
UnixTimevalToFileTime(times[1], &LastModificationTime);
}
else {
GetSystemTimeAsFileTime(&LastAccessTime);
GetSystemTimeAsFileTime(&LastModificationTime);
}
hFile=CreateFileA(filename, FILE_WRITE_ATTRIBUTES, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if(hFile==INVALID_HANDLE_VALUE) {
switch(GetLastError()) {
case ERROR_FILE_NOT_FOUND:
errno=ENOENT;
break;
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_DRIVE:
errno=ENOTDIR;
break;
case ERROR_ACCESS_DENIED:
errno=EACCES;
break;
default:
errno=ENOENT; /*what other errors can occur? */
}
return -1;
}
if(!SetFileTime(hFile, NULL, &LastAccessTime, &LastModificationTime)) {
/*can this happen? */
errno=ENOENT;
return -1;
}
CloseHandle(hFile);
return 0;
}
#endif
}
int Helper::changeAccessAndModificationTime(const QString& filename,
const QDateTime& accessTime, const QDateTime& modificationTime)
{
struct timeval times[2];
times[0].tv_usec = 0;
times[0].tv_sec = accessTime.toSecsSinceEpoch();
times[1].tv_usec = 0;
times[1].tv_sec = modificationTime.toSecsSinceEpoch();
return utimes(filename.toLocal8Bit().constData(), times);
}
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