really, getdrvwd should be passed an Xstring (probably with Xinit0 in
the callers), especially as one caller already didn’t update ldestlen
properly… (but not tonight as I’ve really got no head for that left)
the idea here is that:
- /foo/bar and a:/foo/bar are absolute
- foo/bar is relative
- a:foo/bar needs to be handled specially,
mostly per making it into an absolute (“a:/” + getcwd(a:) + “foo/bar”)
if a path or symlink target is drive-qualified, keep the drive letter
(this part from komh) and, if present, a leading (back)slash (from me)
missing: if a drive qualification is *not* followed by a (back)slash,
we must retrieve the per-drive cwd for the target drive and insert it
just like we insert the cwd for (normal/Unix) relative paths; maybe
consider redoing absolute/relative path logic, DOS paths are tristate
komh’s commit: fix realpath failure on OS/2
On OS/2, an absolute path is 'x:/path/to/file'. Because it has not
a leading slash, '/' is prepended, that is, '/x:/path/to/file'. As a
result, it fails to find a requested file.
and take ahead parsing collating symbols, equivalence classes and
character classes already (heck my first draft of this already did
better than GNU bash, ksh93 I still don’t grok its code at all)
• not designed to be emitted, only used in comparisons with
other asc() results
• on EBCDIC platforms, the mapping of an EBCDIC octet to their
corresponding ASCII or Unicode/UCS-4 codepoint or, if there
is no mapping, a distinct value above all valid Unicode codepoints
• on nōn-EBCDIC platforms, just the identity mapping of the input
octet into their ord() value
Intended use are ASCII-ish character ops, including ranges (“A-Z”),
mapping from those to the corresponding digit offset, and sorting
of things in an ASCIIbetical way
• make fast character classes even faster by removing the C_SUBOP2 hack
in favour of a separate seldom-used ksh_issubop2 macro (which also
makes ctype() side-effect-safe) which is a slower class (no change there)
• optimise cases of ksh_isalphx followed by a ksh_isalnux loop
(used parsing variable names)
• remove a misleading comment in initctypes() about \0 from pdksh
• rename C_ALPHA to C_ALPHX to make it more clear the underscore is included
• sprinkle a few ord() in there
• add new ksh_isalpha() which tests for [A-Za-z] (slow character class)
• there is no '_:\' drive on OS/2 (which inspired the whole changeset)
install both lksh and mksh manpages from Build.sh (Martijn Dekker)
spelling fixes (Larry Hynes)
manpage improvements (Martijn Dekker)
initial port to Harvey-OS’ APEX (Ronald G. Minnich, Elbing Miss, Álvaro Jurado)
more from komh’s OS/2 port (KO Myung-Hun)
tg