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Implement read and set of File Creation Date attribute on Windows.

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This commit is contained in:
Riccardo Mottola 2020-04-09 23:43:41 +02:00
parent 624140d0fc
commit ce313e1384
1 changed files with 60 additions and 1 deletions
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61
Source/NSFileManager.m
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@ -1,7 +1,7 @@
/**
NSFileManager.m
Copyright (C) 1997-2017 Free Software Foundation, Inc.
Copyright (C) 1997-2020 Free Software Foundation, Inc.
Author: Mircea Oancea <mircea@jupiter.elcom.pub.ro>
Author: Ovidiu Predescu <ovidiu@net-community.com>
@ -608,6 +608,61 @@ static NSStringEncoding defaultEncoding;
}
}
date = [attributes fileCreationDate];
if (date != nil && NO == [date isEqual: [old fileCreationDate]])
{
BOOL ok = NO;
struct _STATB sb;
#if defined(_WIN32)
const _CHAR *lpath;
#else
const char *lpath;
#endif
lpath = [self fileSystemRepresentationWithPath: path];
if (_STAT(lpath, &sb) != 0)
{
ok = NO;
}
#if defined(_WIN32)
else if (sb.st_mode & _S_IFDIR)
{
ok = YES; // Directories don't have modification times.
}
#endif
else
{
#if defined(_WIN32)
FILETIME ctime;
HANDLE fh;
ULONGLONG nanosecs = ((ULONGLONG)([date timeIntervalSince1970]*10000000)+116444736000000000ULL);
fh = CreateFileW(lpath, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL );
if (fh == INVALID_HANDLE_VALUE)
{
ok = NO;
}
else
{
ctime.dwLowDateTime = (DWORD) (nanosecs & 0xFFFFFFFF );
ctime.dwHighDateTime = (DWORD) (nanosecs >> 32 );
ok = SetFileTime(fh, &ctime, NULL, NULL);
CloseHandle(fh);
}
#else
/* not implemented */
ok = YES;
#endif
}
if (ok == NO)
{
allOk = NO;
str = [NSString stringWithFormat:
@"Unable to change NSFileModificationDate to '%@' - %@",
date, [NSError _last]];
ASSIGN(_lastError, str);
}
}
return allOk;
}
@ -3603,6 +3658,9 @@ static NSSet *fileKeys = nil;
- (NSDate*) fileCreationDate
{
#if defined(_WIN32)
return [NSDate dateWithTimeIntervalSince1970: statbuf.st_ctime];
#else /* we don't know better */
/*
* FIXME ... not sure there is any way to get a creation date :-(
* Use the earlier of ctime or mtime
@ -3611,6 +3669,7 @@ static NSSet *fileKeys = nil;
return [NSDate dateWithTimeIntervalSince1970: statbuf.st_ctime];
else
return [NSDate dateWithTimeIntervalSince1970: statbuf.st_mtime];
#endif
}
- (BOOL) fileExtensionHidden