Commit Graph

551 Commits

Author SHA1 Message Date
tg
69f98bca9a • fix wtf(1) by keeping the paren in ${foo#\(} properly escaped in COMSUB
• merge tputS and wdstrip_internal
⇒ net save: 604 .text 0 .data 0 .bss (MirBSD/i386)
2011-05-02 22:52:54 +00:00
tg
8bc51681b1 sync clog 2011-04-22 21:44:35 +00:00
tg
45cd3a340b this is about the amount -Wl,--gc-sections can help me to eliminate 2011-04-22 12:21:55 +00:00
tg
6c0255ecb2 more static initialisers (verified using nm comparision between mksh
built with/-out "-ffunction-sections -fdata-sections -Wl,--gc-sections"
2011-04-22 12:15:42 +00:00
tg
61a8888213 always catch SIGALRM even in non-interactive shells to make sleep work 2011-04-17 12:24:44 +00:00
tg
6c45e3e764 avoid namespace conflicts with __attribute__(…) 2011-04-09 21:01:03 +00:00
tg
e39dea490f sync… various things 2011-04-09 18:47:14 +00:00
tg
d57a033057 • no longer use <stdbool.h> even if it’s available
• ensure that bool/true/false are cpp macros, overriding any pre-defined
• document the requirement that tobool(x) must map any-type 'x' into bool
• document the requirement that a bool must only be true or false, and
  that it (tobool() rather) must have an identity mapping to 'short'
• possibly fix ksh_func for/and fpFUNCTf – maybe spotted by cnuke@
2011-04-09 15:14:55 +00:00
tg
63a08586be easier debugging with HAVE_STDBOOL_H=0 for if bool is indeed built-in 2011-04-09 14:58:53 +00:00
tg
7d3643d7b4 skip the UTF-8 BOM early, then check the magic (ELF, a.out, COFF, …) 2011-04-02 10:30:11 +00:00
tg
19e128c4e1 add testcases, bump vsn 2011-03-28 08:40:42 +00:00
tg
e8ea9954aa • Implement http://austingroupbugs.net/view.php?id=367 and align things
a bit more with POSIX and the other shells

I considered http://austingroupbugs.net/view.php?id=253 but the use
of bi_errorf() is interesting, especially as it’s often enough a
noreturn function, and funnily enough, 'cd -P /foo' returns 0 while
'chdir -P /foo' fails (so idk where to put -e)…
2011-03-27 18:50:06 +00:00
tg
ad3707d17d don’t leak memory (pdksh did), and forgot a hunk 2011-03-27 01:30:38 +00:00
tg
5f31b8c97a • bring back test -H ifdef S_ISCDF (for HP-UX)
• whitespace, etc.
• bump version for tonight, I’m not gonna hack on c_cd,
  all this pathname stuff is mind-boggling…
2011-03-26 21:46:06 +00:00
tg
7d86eaba8c simplify code to use existing $PWD 2011-03-26 19:43:49 +00:00
tg
803c51914b • move funcs.c:do_realpath() to misc.c and make it global
⇒ consider merging simplify_path()
• move funcs.c:c_cd() to misc.c
• make misc.c:make_path() static, c_cd() is its only user
  ⇒ mark as obsolete
• tweak misc.c:set_current_wd() to drop ksh_get_wd() argument

should be no code change, but the entire path stuff is a mess…
so expect actual implementation changes or even rewrites shortly
2011-03-24 19:05:49 +00:00
tg
8d8ee0cc6a ironhead reported in IRC that some Cygwin guys (not he, he’s just the
packager) complain that mksh collapses two leading slashes; IIRC POSIX
has a clause for UNC pathnames, so stop doing that, plus add a test
2011-03-23 18:47:07 +00:00
tg
bc4c3b9af0 • save/restore here document pointer during yyrecursive(), fixes crash
• add mirbsd/openbsd (omalloc rules!) specific testcase for the above
• $__progname must be used quoted, fix in comsub-torture testcase (my bad)
2011-03-21 21:57:35 +00:00
tg
3c41d2b063 fix cast; bump version 2011-03-17 22:09:23 +00:00
tg
a1a5922fc6 • make misc.c(gmatch.c):pat_scan() static and fix int → bool 2011-03-17 21:59:30 +00:00
tg
d4e19b6624 • make DEBUG:dumpchar() not static (consider rolling into shf?) 2011-03-17 21:58:40 +00:00
tg
79c6d6043e • introduce a virtual TARGET_OS=Android that just sets a check category
and switches to the TARGET_OS=Linux
• introduce android as regression test suite category
• add an android specific standard alias
• clean up redundant ‘-o sh’ arg in a few checks
2011-03-16 20:26:36 +00:00
tg
af53a7d16a • speed optimisation: drop SF_FIRST flag, factor out skipping the
UTF-8 BOM instead (UTFMODE has a separate value now for activated
  during BOM skipping)
• parsing a COMSUB now skips UTF-8 BOM, too, but only temporarily
2011-03-13 16:03:54 +00:00
tg
2a3d4db123 lint is your friend 2011-03-13 01:20:25 +00:00
tg
75db4cdb56 • back out the EXPRSUB change
• optimise some code
• split testcase into two, one with expected-fail
2011-03-12 23:04:48 +00:00
tg
17dbd3bd83 • make EXPRSUB not initiate an ASCIIZ string any more but a wdstring
(token stream, lexer output / parser input), EOS terminated, let
  SASPAREN use the same lexing as SBASE (e.g. COMSUB recursively)
• make wdstrip recursive
• fix processing of COMSUB in wdstrip
⇒ pass comsub-1 test
• expose another debugging function
2011-03-12 21:41:15 +00:00
tg
f8659785ac • add a tree debugging dumper #ifdef DEBUG
• use shf_putc (macro), shf_putchar (function) ipv tputc
• replace shf_putchar(x,y) calls for side-effect-less x with shf_putc
• plug another bug in the tree code – '\' → "\\" (backslashes must be
  escaped inside double quotes, too)
• adjust testsuite (and, I _had_ wondered…)
2011-03-08 18:49:51 +00:00
tg
6894618bb9 • x=$(cat <<-EOF
EOF) # works again now, plugging a regression
• rewrite the here document parsing code to be *much* more efficient
  (and a bit more readable too!) using goto, while here (no kidding)
2011-03-07 20:32:50 +00:00
tg
5f8075fc82 introduce a tobool(cond) abstraction¹ and switch bool to char if !stdbool.h
① currently: ((cond) ? true : false) but (!!(cond)) and casting to bool,
  the latter only if stdbool.h, would also work – which performs best on
  (and across) all supported systems?
2011-03-07 20:30:41 +00:00
tg
1f392ab09b • more fixes (some regression, some new)
• more testcases, stricter testcases
2011-03-06 17:08:14 +00:00
tg
c995f7ca98 I thought of making COMSUB pass a pointer to the struct op *t->left around
instead, but the parser for the so-called “backticks” (U+0060) still emits
plaintext COMSUB wdstrings, and the evaluation code emits plaintext if the
code is not run (‘-n’ option), so it’s not worth the effort and memory ma-
nagement issues, even though it _would_ optimise the most common case…

Bump version numbers, sync regression tests; add one testcase from the old
webpages too. Sync manpage, this now works, but keep the workaround in, as
“portability issue” with slightly changed wording.

Also, /bin/sleep must be used in one manpage example if sleep is built in.
2011-03-06 01:50:11 +00:00
tg
25905b91a7 the long-awaited recursive parser for COMSUB $(…) expressions
fixes RedHat BZ#496791
2011-03-06 01:25:35 +00:00
tg
f3dbbe3f0c split malloc_os and friends further into
• functions called by mksh’s grouping memory allocator
• functions called by mksh code itself

the latter may be changed to call the internal grouping allocator,
if a porter so desires (but if this were recommended, the code in
question would already do so, so…)
2011-03-05 21:48:09 +00:00
tg
0b6afea352 introduce macros for malloc, realloc, free to hide them from mksh
no code may henceforth use memory (de-)allocation functions directly
use these macros, porters can change them for abstraction
2011-03-05 21:43:18 +00:00
tg
6a941a3c39 fix UWIN: don’t close fd #3 (also, int→bool) 2011-02-27 19:29:32 +00:00
tg
0b57abd4d3 • add -u option (POSIX: unbuffered ⇒ nop) to the built-in cat
• PIPESTATUS now supported (like bash 2) whose last member
  may actually differ from $? since the latter may not be the
  result of a pipeline partial command
• add regression tests, documentation, etc.
2011-02-18 22:26:13 +00:00
tg
36d41ed9ee * plug a regression introduced as a pasto (think, mira!)
* add selftest-direct-builtin-call regression test, while here
2011-02-13 21:13:08 +00:00
tg
a796512040 • more comment and int→bool cleanup, add and improve some comments
• in interactive mode, always look up {LC_{ALL,CTYPE},LANG} environment
  variables if setlocale/nl_langinfo(CODESET) doesn’t suffice
• add the ability to call any builtin (some don't make sense or wouldn't
  work) directly by analysing argv[0]
• for direct builtin calls, the {LC_{ALL,CTYPE},LANG} environment
  variables determine utf8-mode, even if MKSH_ASSUME_UTF8 was set
• when called as builtin, echo behaves POSIXish
• add domainname as alias for true on MirBSD only, to be able to link it
• sync mksh Makefiles with Build.sh output
• adjust manpage wrt release plans
• link some things to mksh now that we have callable builtins:
  bin/echo bin/kill bin/pwd bin/sleep (exact matches)
  bin/test bin/[ (were scripts before)
  bin/domainname=usr/bin/true usr/bin/false (move to /bin/ now)
• drop linked utilities and, except for echo and kill, their manpages
• adjust instbin and link a few more there as well
2011-02-11 01:18:23 +00:00
tg
cc8caf2cf9 add a sleep builtin that can deal with fractions too 2011-02-11 00:41:38 +00:00
tg
5161342b9b fix warning about signed vs. unsigned comparision and potential truncation error 2011-02-09 13:08:27 +00:00
tg
d4658a569e refactor code to be able to track whether we have a parameter substitution
or a “proper” glob expansion; if there’s a dollar, but not a glob, refrain
from appending a space later (LP: #710539)
2011-02-03 15:57:52 +00:00
tg
30d8e3934d SUSv4 says trap foo UNKNOWN is not a syntax error, merely exit ≠0.
Inspired by 673dab8698b0399c967216c02262eaf95361a75c.
2011-01-30 01:36:00 +00:00
tg
bdfcdc56c8 introduce MKSH_NOPROSPECTOFWORK which is like pdksh’s JOB_SIGS in reverse, like MKSH_UNEMPLOYED is pdksh’s JOBS in reverse; allows mksh to work (hah! no pun intended…) with klibc (and possibly, Syllable Desktop and Plan 9) for now, until they fix their bugs 2011-01-30 01:35:35 +00:00
tg
414c09ab1a plug regression introduced with read -d by fixing the problem differently 2011-01-22 20:33:14 +00:00
tg
da9d0f3d97 ${foo@x} is now special-expansion for values of x, defined for now:
‘#’ = hash of $foo
2011-01-21 22:25:34 +00:00
tg
cc31d86e3b • implement KSHEGID, KSHGID, KSHUID variables by suggestion of Richard K.
(KSHEUID aka USER_ID already exists)
• simplify, speed up LCG and $RANDOM handling again
2011-01-21 21:04:48 +00:00
tg
230f59d064 New functionality: assign here document to string variable directly,
without cat and temp files. Hacked in Lëtzebuerg ☺

This was the third try. Where to put this was not palpable… same for =(…)
2011-01-09 21:57:29 +00:00
tg
b4948e430f this is a bashism but might be from ksh93 IIRC… still dead ugly as hell! 2010-12-19 20:00:56 +00:00
tg
27dce9168a change behaviour of argument-less exit in traps to match SUSv4; Debian #599484 (original patch from Jonathan Nieder, thanks!) in a variant that appears to handle nested traps well 2010-11-01 17:29:05 +00:00
tg
29de79c7bf mknod’s now demoted and only used as special-case builtin, in MirBSD only
built for the installer, to save time, as the original OpenBSD hack wanted
2010-10-08 17:56:57 +00:00
tg
3365cb8d0f • Build.sh: fix a compiler warning which, had it not been irrelevant in
a mirtoconf check, would’ve been a real problem on an LP64 platform
• sh.h: work around a bad interaction between -Wformat on gcc and manual
  string pooling for T_synerr, which is used in place of a format string
  in some places
2010-10-01 19:04:38 +00:00
tg
e169648b89 while here, change SETUID_CAN_FAIL_WITH_EAGAIN to abort immediately
by suggestion of Chris Palmer again
2010-09-19 19:28:23 +00:00
tg
915b30adfe revert part of the “size reduction” diff (zero size change though):
shellf() implies an shf_flush()…
2010-09-15 21:08:19 +00:00
tg
667d792d6a • Address concerns of Chris Palmer from the Android security team
– possible integer overflows in memory allocation, mostly
    ‣ multiplication: all are checked now
    ‣ addition: reviewed them, most were “proven” or guessed to be
      “almost” impossible to run over (e.g. when we have a string
      whose length is taken it is assumed that the length will be
      more than only a few bytes below SIZE_MAX, since code and
      stack have to fit); some are checked now (e.g. when one of
      the summands is an off_t); most of the unchecked ones are
      annotated now
    ⇒ cost (MirBSD/i386 static): +76 .text
    ⇒ cost (Debian sid/i386): +779 .text  -4 .data
  – on Linux targets, setuid() setresuid() setresgid() can fail
    with EAGAIN; check for that and, if so, warn once and retry
    infinitely (other targets to be added later once we know that
    they are “insane”)
    ⇒ cost (Debian sid/i386): +192 .text (includes .rodata)
• setmode.c: Do overflow checking for realloc() too; switch back
  from calloc() to a checked malloc() for simplification while there
• define -DIN_MKSH and let setmode.c look a tad nicer while here
2010-09-14 21:26:19 +00:00
tg
08862021ee add size optimisation hacks by me from Android except ifdef’d
(note, I’d prefer everyone to keep IDSTRINGs around though)
2010-09-14 21:15:11 +00:00
tg
56a69907d5 optimise error messages, option parsing, and make more builtins
recognise "--", costs us 20 .text 0 .data 0 .bss
2010-09-05 19:51:35 +00:00
tg
06c6be0a70 shave off another 468 bytes: we’re 300 bytes smaller than BEFORE the
cat builtin was added now… (also removed utf-8 from source files, in
favour of just ASCII)
2010-08-28 20:22:24 +00:00
tg
3747722db4 improve string pooling: saves 316 bytes in .text 2010-08-28 18:50:58 +00:00
tg
d09fd67299 make cat an mksh builtin, for things like here documents
if any options are given, the external programme is invoked instead
2010-08-28 17:21:46 +00:00
tg
297e2ced89 fix blocking_read prototype 2010-08-28 16:47:11 +00:00
tg
4e08a79555 whitespace 2010-08-28 15:48:20 +00:00
tg
475cafb90e int → bool 2010-08-28 15:39:20 +00:00
tg
a0d43a99fd it’s ugly to write a ./stdint.h file if we can instead define the
types from sh.h; sync clog
2010-08-24 15:19:54 +00:00
tg
7fdc42cead fix realpath builtin’s handling of (source) pathnames with a trailing slash
as per POSIX (if a trailing slash is part of the symlink target it fails as
well, like GNU readlink -f does)
2010-08-24 14:42:04 +00:00
tg
23f3f58d14 on MirBSD we can use the system wcwidth() and save ~800by on the ramdisc 2010-08-14 21:35:13 +00:00
tg
c187f3089f a tad annoying, when external programmes such as GNU screen are running,
we don’t get SIGWINCH when the window size changes during the runtime of
that, so, the signal is only usable reliably during editing in the shell
and we re-check the window size before each interactive edit line again
2010-07-25 11:35:43 +00:00
tg
befbed2859 int → bool 2010-07-24 17:08:30 +00:00
tg
c11d35312a Michal Hlavinka from Red Hat found another SIGSEGV
fix: when iterating over all Sources, know when to stop…
2010-07-21 11:31:16 +00:00
tg
c6eedad976 *sigh* this code is interesting: assume you want to output via shf to
a string buffer whose window size is currently 32 (initial), your data
is 96 bytes, this routine used to resize the buffer to 64, append your
first 64 bytes to it (no matter if there's already something in it)
and then writes the remaining bytes to stdio fd instead of the string…
if it doesn’t SIGABRT before

discovered by wbx@ – thanks – bug inherited from pdksh 5.2.14 (AD 1999)
2010-07-19 22:41:04 +00:00
tg
7c91e018f4 • merge printf from OpenBSD
• deactivate %a and %A since our libc doesn’t have it
• rewrite the mksh integration code to use shf instead of stdio, removing
  floating point support always in the process, as shf doesn’t support it
  ⇒ saves 11114 (6706 text, 168 data, 4240 bss) with dietlibc on Debian
• fix -Wall -Wextra -Wformat -Wstrict-aliasing=2 for gcc (Debian 4.4.4-7)
• fix these and -Wc++-compat for gcc version 4.6.0 20100711 (experimental)
  [trunk revision 162057] (Debian 20100711-1) except:
  – a few enum warnings that relate to eglibc’s {g,s}etrlimit() functions
    taking an enum instead of an int because they’re too stupid to adhere
    to POSIX interfaces they design by themselves
  – all “request for implicit conversion” involving a "void *" on one side
• tweak the manual page somewhat more
2010-07-17 22:09:40 +00:00
tg
6b006202a1 partial oksh sync (RCSID and do add some parenthesēs to the list of
reserved words, but really only these which are only recognised at
the beginning of a line as the context says, not blindly all of them)
2010-07-13 13:12:32 +00:00
tg
a6c81ea978 on obsd/mbsd, entropy is cheap enough for us to do this (codepath in
kernel checked for both) for additional seeding ($RANDOM is still from
the LCG only)
2010-07-11 11:17:33 +00:00
tg
30046ffcf2 implement “live” SIGWINCH handling in the Emacs editing mode
for winstonw from IRC #!/bin/mksh
2010-07-04 17:45:17 +00:00
tg
4cbb5a9d46 to speed up mksh, get rid of arc4random(3) uses and use the LCG always;
depend on ASLR for seeding
2010-07-04 17:33:58 +00:00
tg
2d6b4acba1 simplify a bunch of things (no SIGWINCH handler, errno is saved for
an shtrap automatically) and gratitutous reformatting of comments
2010-07-04 13:36:43 +00:00
tg
747b27a846 apply diff from manuel giraud via oksh to keep track of LINENO in a trap 2010-05-22 12:49:16 +00:00
tg
f24e2c80a9 disallow some more kinds to trim a vector; Debian #581867 2010-05-16 19:04:42 +00:00
tg
01a0d1104a address two performance issues in do_realpath():
• avoid calling realloc twice in sequence, since the final
  size is known at the first call already
• do not lstat(2) the same path twice in the Hurd codepath
2010-04-27 21:39:09 +00:00
tg
6e98fbe27b Fourth time’s a charm… another bugfix related to the commitids
1004BBDD84556472D84, 1004BBF77B81D30DA7C and 1004BBF7CD656308A1C
to unbreak kwalletcli
2010-04-20 09:10:07 +00:00
tg
14ea7e9038 draft a testcase to understand the problem fixed by cid 1004BBF77B81D30DA7C
and make it actually work: the OpenBSD fix failed since 1004BBDD84556472D84
2010-04-09 19:16:31 +00:00
tg
ff9f89f22f Fix two more POSIX conformance bugs and minor documentation/comment issues 2010-04-08 13:21:08 +00:00
tg
401e262689 fix another expand-ugly SUSv4 bug 2010-03-27 16:53:17 +00:00
tg
98e43b0f7a rework ‘m’ and ‘v’ ulimits; add more (seen at zsh) 2010-03-27 16:51:39 +00:00
tg
50f081c369 even better on Haiku:
* let ulimits work
* add a Haiku-specific ulimit
* always use UTF-8, they have no locales but a UTF-8 terminal
2010-03-14 11:58:33 +00:00
tg
e5e6857c43 (hopefully) fix the substitution thing for good 2010-02-25 20:18:19 +00:00
tg
150a35a02d x_bind cannot have the nonnull attribute
cought by Frank “enstein” Terbeck «ft:#grml» (efftee), 10x
2010-02-23 18:13:04 +00:00
tg
5beee95d6b at least _parse_ the construct ${foo+(bar)} correctly
(whether the output is correct is still up for debate)
2010-02-18 17:31:23 +00:00
tg
4eb17f8752 remove some more of this ugliness 2010-01-29 09:34:31 +00:00
tg
c67bed8790 • unbreak testsuite for MKSH_SMALL
• sync version and © year
2010-01-28 20:58:34 +00:00
tg
566f882d83 Add some assertions – mkssert() – for things clang’s scan-build can’t see 2010-01-28 20:26:52 +00:00
tg
17b04f3879 No, __attribute__((used)) with SUNWcc on MirBSD still won’t work… 2010-01-28 15:13:25 +00:00
tg
2765a07564 when using persistent history (and not MKSH_SMALL), let the shells
concurrently accessing the same $HISTFILE be more synchronised with
each other: empty lines (just pressing Return) and duplicates (that
are split and written twice by the lines loaded from $HISTFILE in
the meantime); requested by Maximilian “mxey” Gaß in #!/bin/mksh
2010-01-25 16:12:57 +00:00
tg
f3b3b4b1fb remove some debugging code 2010-01-25 14:38:04 +00:00
tg
559125f5f9 RCSID sync (oksh bumped their array limit again… wonder when………) 2010-01-16 19:08:05 +00:00
tg
833810a154 While we were supposed to use Ctrl-Arrowkey for wordwise jumping,
some idiotic terminal emulators and/or people seem to use the es-
cape codes normally denoting Alt-Arrowkey instead so let's simply
bind them to the vt_hack as well... (untested)
2010-01-08 22:21:06 +00:00
tg
6115f5a91c • re-implement wcswidth-like behaviour for ${%foo} even in !UTFMODE
• merge the rest of branch tg-wcswidth-behaviour
• enhance test cases for wcswidth-like behaviour
• switch hash table collision resolution algorithm to Python’s as announced
• bump vsn
2010-01-01 17:44:10 +00:00
tg
c413edb34a jobs.c: apply patch from deraadt@o:
│remember to restore errno (ie. stop someone from making a mistake later)
│ok guenther
check.t, sh.h: bump vsn

I wonder though why errno must be restored even if nothing was
called after reading it… moid?
2009-12-31 14:05:44 +00:00
tg
769e222586 re-vamp __attribute__ handling; let this pass on HP-UX bundled compiler
as well as HP aCC
2009-12-12 22:27:10 +00:00
tg
65a3713605 strchr related fixes 2009-12-05 22:19:42 +00:00
tg
8213a28403 llvm/clang scan-build is now content… 2009-12-05 17:43:50 +00:00