Commit Graph

203 Commits

Author SHA1 Message Date
tg 489fb7e845 further bring ${x/y/z} closer to GNU bash behaviour, we now only miss
recursive extglobs
2015-12-12 22:24:07 +00:00
tg 3b2ad0f9d9 fix ${*:+x} constructs; bug reported by carstenh via IRC 2015-12-12 20:38:56 +00:00
tg 8d22d9226f use evalstr instead of wdstrip+substitute and drop home-grown backslash removal 2015-12-12 18:47:22 +00:00
tg d4aa35212c fix a few expansion substitutions to do tilde expansion
issue spotted by izabera and confirmed by Geoff Clare
2015-12-12 17:28:10 +00:00
tg fc48729336 tweak some iop/conservative_fds-related things I picked up while thinking lksh 2015-10-09 19:29:50 +00:00
tg af35e9a6de revert most of commitid 3ec342c92b3a8874 and fixup the rest;
this should bring us closer to POSIX again
2015-10-09 17:48:53 +00:00
tg ed5cb56849 replace the code related to << changes and <<< with cleaner code,
fixing a few bugs also (including new testcases, except x=<< issue)
2015-09-06 19:47:01 +00:00
tg 4adcfe8b58 oksh sync, simplify *all* if(x)free(x); constructs, simplify x_push() and sync boilerplate while here 2015-09-05 19:19:12 +00:00
tg d09aca4175 do the IFS_QUOTE dance right; this finally fixes ""$@ 2015-07-06 17:45:33 +00:00
tg babd9c4cf0 The check for empty patterns and patterns matching the empty string
in commitid 1004D8283F068C41C3C was bogus; it fixed Jb_boin’s issue
but izabers’s 「var=foo; echo "${var/*/x}"」 was broken; in fact we
only want to not do the looping for // if the pattern matches much.

Also, fix a spelling mistake in the manpage and change some wording
to also work with associative arrays (in the future; no change).
2015-05-23 17:43:22 +00:00
tg c3efd2abb2 use already-existing ksh_isdash helper macro 2015-04-29 18:32:44 +00:00
tg e1cda74d04 SECURITY: fix integer overflows related to file descriptor parsing
bug initially found by Pawel Wylecial (LP#1440685)
additional bug found and suggested fix by enh (elliott hughes)

This commit also renames struct ioword.flag to ioflag to disambiguate
it from other members named “flag”, changes it to an unsigned type,
and packs ioflag and unit into shorts each, to make the struct smaller
(aligned even: 16 bytes on 32-bit systems) and reviews some of the
code involved in fd handling, though there wasn’t much to be found.
2015-04-11 22:03:32 +00:00
tg f4ae6f7508 can't set word=IFS_QUOTE if already IFS_WORD (something there)
or IFS_QUOTE (third dquote (second OQUOTE) in """something)
2015-02-20 07:14:30 +00:00
tg 73082b9292 • fixup here document expansion (regression wrt. pdksh 5.2.14)
• adjust testsuite (and write tons of new tests) after today’s commits
2015-02-19 22:26:50 +00:00
tg be1a0e3282 unbreak other cases where $@ shares double quotes with something else 2015-02-19 22:01:13 +00:00
tg b94b2e363a stop (ab)using the OS symbolic constant EOF, always use -1; plus misc fixes 2015-02-06 10:09:07 +00:00
tg 6f3d362785 rewrite the code a bit to avoid GCC -Wstrict-overflow triggering in one case…
most of it is utterly useless though as the line indicated is usually the
closing curly brace of a function, often not even the reported one…
2015-02-06 09:33:41 +00:00
tg 287d4bc216 int → bool 2014-12-05 15:14:23 +00:00
tg 2f52b993a1 • Build.sh: fix NSIG detection for gcc-snapshot
• all: bump version to R50-current; add more comments; whitespace
• all: remove all mkssert(); we’ll do full re-runs of scan-build and,
  hopefully, Coverity Scan/Prevent
• check.t: fix a testcase (sed could exit false, but we don’t care)
• eval.c: fix tilde_ok data type (only unsigned may shl constantly)
• exec.c: fix shebang buf array accesses to always go via uint8_t *
2014-11-25 21:13:31 +00:00
tg 517bd63fe5 rename the “tilde” function; apparently, some system headers define it 2014-11-19 21:49:12 +00:00
tg 44dc99cb35 first cut at LP#1381993 (probably incomplete) plus test coverage
also remove fbsd testsuite link, it’s gone during cvs→svn of theirs ☹
2014-10-19 21:53:08 +00:00
tg cf2609f3fa better fix 2014-10-19 21:39:37 +00:00
tg 67d8c69353 IFS_IWS, but doesn’t really change much… 2014-10-19 21:04:47 +00:00
tg 612d92add6 erm yes, committed the wrong patch… 2014-10-19 20:59:43 +00:00
tg 2fd0482761 commit patch from LP#1381965 and two testcases, one showing this is fixed,
another showing deeper problems (probably LP#1381993 “non-list contexts” or
the IFS_WS/IFS_IWS story, perhaps *all* IFS_WS (not just ternaries) really
should be IFS_IWS instead?)
2014-10-19 20:56:33 +00:00
tg 0cf0658a0d fix severe regression in field splitting (LP#1378208) 2014-10-07 15:22:17 +00:00
tg 968dc7a764 overhaul IFS handling, fix bugs reported by Stephane Chazelas and mikeserv
now we’re at: 486 passed testsuite items, 0 failed
ifs.sh still: # tests 6856 passed 6856 failed 0
2014-10-03 17:32:12 +00:00
tg 065b42c86f make the comments match the actual code; bad jaredy@obsd for failing us so 2014-07-29 16:29:11 +00:00
tg b7c41f240c LANGUAGE CHANGE: $((…)) results are now IFS-split, as per POSIX 201x 2014-06-09 11:16:07 +00:00
tg 30bbb90f75 next attempt at fixing IFS-subst-2 2014-06-09 10:41:03 +00:00
tg d8461d400f fix ${!foo} for when foo is unset 2014-05-27 13:00:31 +00:00
tg 270a86f895 • use BAFH for hash ipv NZAAT
• prep for release
• fix minor nits in manpage and tests
2014-01-11 18:09:43 +00:00
tg 89e774fd7e • fix ${12345678901234567890} segfault (OOB access / integer overflow)
‣ not like oksh did, but using mksh’s built-in features
• handle suggested __pure additions
• revert cid 1004F7F096867C83CF0
  ‣ always use our wcwidth code
  ‣ only use our strlcpy code if none found
• fix a couple of gcc-snapshot and clang/scan-build warnings
• mksh R49~rc1
2014-01-05 21:57:29 +00:00
tg fc4f36e75b revert commit 1005289433447F6CA90 as it makes the system unbootable 2013-11-30 00:20:48 +00:00
tg 973c7a55c2 fix initial IFSWS not ignored when expanding, noticed by Seb <sbb@tuxfamily.org> 2013-11-17 22:28:51 +00:00
tg 7f16464902 slightly optimised and, more importantly, much more consistent (use only
one set of CTRL, UNCTRL, and new ISCTRL macros) C0 and DEL handling; the
optimisation only works for 7-bit ASCII, so those places 8-bit must pass
intact have an added check

also, while here, remove an editor oops (‘;’), oksh rcsid sync (they did
accept I was right wrt. set -e), int → bool, and code merge/cleanup
2013-09-24 20:19:45 +00:00
tg b46001ad4a fix another clobbered-by-setjmp/longjmp warning 2013-07-24 18:03:57 +00:00
tg e495fde858 Fix apparent programming mistake (newblock doesn’t imply newenv)
that caused “echo ${|true;}$(true)” to segfault; problem reported
by pshevtsov and wbx@ in IRC (thanks!); fix sponsored by tarent
2013-07-24 12:39:28 +00:00
tg bd795a83ae partial merge and full RCS ID sync with oksh
merged:
• new regression tests
• check.pl (tests/th) better tmpfile handling
• exec.c 1.50: POSIX specifies that for an AND/OR list,
  only the last command's exit status matters for "set -e"
• ksh.1 1.147: document the above
• eval.c 1.39: “Make $(< /nonexistent) have the same behaviour
  as $(cat /nonexistent) wrt. errors (do not unwind and do not
  treat this as fatal if set -e is used).”
  ‣ additionally make shf_open() return errno and actually show
    the error message from the system
• regression-39 test: remove the “maybe” marker
  ‣ but decide on correct POSIX behaviour

already been fixed in mksh:
• check.pl (tests/th) exit 1 if tests fail

not merged:
• main.c 1.52: run traps in unwind() before exiting;
  I’m pretty sure this is already working as-should in mksh
• eval.c 1.38: “Commands executed via `foo` or $( bar ) should
  not inherit "set -e" status.” As discussed in IRC, this is
  just plainly WRONG.
2013-07-21 18:36:03 +00:00
tg 1d0409d932 implement VALSUBs 2013-05-02 21:59:54 +00:00
tg 41ae60bb55 now that funsub() is a separate function, and we don’t have the clobber
issue from longjmp any more, and that I thought to rewind the fd, finally
implement ${ …;} on deleted-after-open tempfiles without the need to reopen
2013-03-29 17:33:07 +00:00
tg 817aeb8fdb both mksh(1) and POSIX say: "$@" should always generate multiple words
issue in pdksh reported in IRC by engla, thanks!
2013-02-23 20:03:31 +00:00
tg 738f5f54fa get rid of unneeded variables ⇒ error handling (that wasn’t there
previously) ⇒ code ⇒ simplify!
2013-02-10 23:43:59 +00:00
tg 9bf0509829 provide a layer of locality to FUNSUBs; get rid of a fork for each PS1 thus 2013-02-10 23:30:47 +00:00
tg 1df0cb4093 as a more general solution to fd leak detection, just do CLOEXEC manually
(this also allows us to see “real” leaks)
2013-02-10 21:42:16 +00:00
tg 51345bd33b do not leak file descriptors on builtins
(this is for valgrind; we use close-on-exec on them in the normal case)
2013-02-10 21:08:35 +00:00
tg 12c662b6e2 thanks to ISC (Interactive) Unix, we now know a few samples of errnos
that get used, plus one for the realpath-1 regression test; also make
sys_siglist_decl detection nicer and poison strerror() with non-const
return value ifdef DEBUG, make it always const
2012-12-17 23:18:11 +00:00
tg 0780070d24 add a few assertions for LLVM+Clang 3.2 scan-build; no !DEBUG changes 2012-12-08 18:30:31 +00:00
tg 0f3071a8b2 MKSH_DISABLE_EXPERIMENTAL is a NOP again; use ${ precmd;} in dot.mkshrc 2012-11-30 20:19:16 +00:00
tg bfe7d78d40 bring back ${ foo;} sans dot.mkshrc patch, using a temporary file, and as experimental feature 2012-10-22 20:19:18 +00:00