* improve error location reporting, resolves #26279

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29296 3ad0048d-3df7-0310-abae-a5850022a9f2
amicommon: DiskSize/DiskFree implemented with some helper functions

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29297 3ad0048d-3df7-0310-abae-a5850022a9f2