Exiv2

C:\gnu.old\exiv2\msvc\bin\Debug>exiv2 -a 1:00:00 ad \R.tiff
Exiv2 exception in adjust action for file \R.tiff:
\R.tiff: Failed to open file (w+b): Invalid argument (errno = 22)

The cause is in basicio.cpp where the FileIo::close() method does not call munmap() (it defers munmap() to the destructor). I've moved the call to unmap from the destructor to close() and everybody's happy.

I don't believe MM creates a lock on unix, so this hasn't been seen until MM was added on Windows. Windows sets a lock on a MM file and causes tiffimage.cpp#180 ->transfer to fail when it tries to open a writable FILE* to the target file while holding a readonly lock.

I also found a bug in mmap.cpp in the array indexing which I've fixed in the same commit (although the change to mmap.cpp was not responsible for this bug).

The correct behavior (as before on Unix) is now:
C:\gnu\exiv2\msvc\bin\Debug>exiv2 -a 1:00:00 ad \R.tiff
C:\gnu\exiv2\msvc\bin\Debug>exiv2 -pt \R.tiff | grep -i date
Exif.Image.DateTime Ascii 20 2009:04:26 11:38:18
Exif.Photo.DateTimeOriginal Ascii 20 2009:04:26 11:38:18
Exif.Photo.DateTimeDigitized Ascii 20 2009:04:26 11:38:18

C:\gnu\exiv2\msvc\bin\Debug>exiv2 -a 1:00:00 ad \R.tiff
C:\gnu\exiv2\msvc\bin\Debug>exiv2 -pt \R.tiff | grep -i date
Exif.Image.DateTime Ascii 20 2009:04:26 12:38:18
Exif.Photo.DateTimeOriginal Ascii 20 2009:04:26 12:38:18
Exif.Photo.DateTimeDigitized Ascii 20 2009:04:26 12:38:18
C:\gnu\exiv2\msvc\bin\Debug>