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November 2000
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2000.11.07 19:59 "Win32 not properly closing files", by Peter Montgomery
I am currently using TIFFLib on a project under Windows 95/98/NT/2000.
I have been using the library for quite some time now but I have
recently run into a problem. The Win32 specific parts of TiffLib don't
seem to properly close open files. Here's a snippet of code...
Tif = TIFFOpen(FileInfo->FullFileName, "r");
if (Tif){
TIFFClose(Tif);
Tif = NULL;
}
As you can see, this code simply opens a TIFF and then immediately
closes it. The problem is that while the program is still running,
Windows won't let me move or re-name the file I opened/closed. As soon
as I close the program then everything works fine again. This fails
under both Win95 and WinNT. I haven't tested it under 98 yet but I
doubt it will be different. I have worked through the code but have
found nothing suspect. Does anyone have any experience like this? I
only noticed it when I tried to move a file that I have closed and
Windows balked. Normally my code simply opens files for reading and
then writes new files under a different name, thus I never noticed the
problem until now.
Thanks,
PeterM