Mario Fetka c50202e93b dosutils: factor shared helpers and update README ...

Move common DOS utility helper code into tools.c and expose it through
net.h.  This removes duplicated command-local helpers from GRANT,
RIGHTS, FLAG, FLAGDIR and the trustee helper layer.

The shared helpers cover case-insensitive argument comparison, help and
option detection, /FILES and /SUBDIRS parsing, current network directory
handle lookup, current volume prefix formatting, uppercase DOS path
copying, basename/header-path handling, wildcard detection and simple
path joining/splitting.

Keep the command frontends smaller and less coupled so the current
multicall utility can later be split into smaller grouped multicall
binaries, such as trustee tools, login/session tools and file/flag
tools.

Update the DOS utilities README for the newer Client32 and trustee
commands.  Document RIGHTS, GRANT, REVOKE and REMOVE in the status,
feature, command and install sections.  Add command reference entries
for the trustee tools, including Novell-style syntax, supported rights,
recursive/file options and missing-trustee behavior.

Also mention the shared trustee helper layer and common tools.c helpers
used by the newer command frontends.

2026-05-24 20:45:56 +02:00

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