[squeak-dev] File creation time wrong on Mac

> Hi all
>
> Is it a well-known bug that the creation time is incorrectly  
> reported on Mac?
>
>
> Time dateAndTimeFromSeconds:
> (FileDirectory default
> directoryEntryFor: 'ESUG2008.txt') creationTime
>
> It seems to be confused and return the last opened or last modified  
> date.
>
> Then is there a way to modify the creationTime and other  
> characteristic of a file?
>
> Stef
>

> Check the call where the primitive primitiveDirectoryLookup  
> (FileDirectory default directoryContentsFor: )
> is called that invokes the platform specific code in  
> sqMacUnixFileInterface.c which has the code below
>
> sqInt dir_Lookup(char *pathString, sqInt pathStringLength, sqInt  
> index,
> /* outputs: */  char *name, sqInt *nameLength, sqInt *creationDate,  
> sqInt *modificationDate,
> sqInt *isDirectory, squeakFileOffsetType *sizeIfFile)
>
> ...
> /* last change time */
> *creationDate= convertToSqueakTime(statBuf.st_ctime);
> /* modification time */
> *modificationDate= convertToSqueakTime(statBuf.st_mtime);
> ...
>
> where
> /*
> * [XSI] This structure is used as the second parameter to the fstat(),
> * lstat(), and stat() functions.
> */
> struct stat {
> dev_t st_dev; /* [XSI] ID of device containing file */
> ino_t   st_ino; /* [XSI] File serial number */
> mode_t st_mode; /* [XSI] Mode of file (see below) */
> nlink_t st_nlink; /* [XSI] Number of hard links */
> uid_t st_uid; /* [XSI] User ID of the file */
> gid_t st_gid; /* [XSI] Group ID of the file */
> dev_t st_rdev; /* [XSI] Device ID */
> #ifndef _POSIX_C_SOURCE
> struct timespec st_atimespec; /* time of last access */
> struct timespec st_mtimespec; /* time of last data modification */
> struct timespec st_ctimespec; /* time of last status change */
> #else
> time_t st_atime; /* [XSI] Time of last access */
> long st_atimensec; /* nsec of last access */
> time_t st_mtime; /* [XSI] Last data modification time */
> long st_mtimensec; /* last data modification nsec */
> time_t st_ctime; /* [XSI] Time of last status change */
> long st_ctimensec; /* nsec of last status change */
> #endif
> off_t st_size; /* [XSI] file size, in bytes */
> blkcnt_t st_blocks; /* [XSI] blocks allocated for file */
> blksize_t st_blksize; /* [XSI] optimal blocksize for I/O */
> __uint32_t st_flags; /* user defined flags for file */
> __uint32_t st_gen; /* file generation number */
> __int32_t st_lspare; /* RESERVED: DO NOT USE! */
> __int64_t st_qspare[2]; /* RESERVED: DO NOT USE! */
> };
>
> The iPhone and new OSX version has
>
> *creationDate = convertToSqueakTime([fileAttributes objectForKey:  
> NSFileCreationDate ]);
> *modificationDate = convertToSqueakTime([fileAttributes  
> objectForKey: NSFileModificationDate]);
>
>
> These seem correct but I don't have a test case handy.
>
>
> On Jul 28, 2008, at 3:32 PM, stephane ducasse wrote:
>
>> Hi all
>>
>> Is it a well-known bug that the creation time is incorrectly  
>> reported on Mac?
>>
>>
>> Time dateAndTimeFromSeconds:
>> (FileDirectory default
>> directoryEntryFor: 'ESUG2008.txt') creationTime
>>
>> It seems to be confused and return the last opened or last modified  
>> date.
>>
>> Then is there a way to modify the creationTime and other  
>> characteristic of a file?
>>
>> Stef
>>
>
> --
> =
> =
> =
> =
> =
> ======================================================================
> John M. McIntosh <[hidden email]>
> Corporate Smalltalk Consulting Ltd.  http://
> www.smalltalkconsulting.com
> =
> =
> =
> =
> =
> ======================================================================
>
>
>
>