changelog.0

一个开放源代码的 AT&T 的 Korn Shell 的复制品, 支持大多数 ksh89 的特性。

	* vi.c(vi_hook): cases for VVERSION.
	* sh.h(ksh_version): new declaration; removed declaration from
	  all other files.

	* Makefile.in: removed rcs-ci, rcs-diff targets; put RCSFILES
	  into DISTFILES and removed former.

	* var.c(newblock): copy argc/argv from previous env if it exists.

Tue Apr 18 23:10:32 NDT 1995 Michael Rendell ([e-mail])

	* jobs.c(exchild): report internal error if execute() returns in child.
	* exec.c(execute): case TASYNC: clear exec flag in call to execute().

Tue Apr 18 12:05:23 NDT 1995 Michael Rendell ([e-mail])

	* emacs.c(x_bind): added list argument.
	* c_ksh.c(c_bind): added -l (list) option.

	* emacs.c,emacs-c.in: moved emacs.c to emacs-c.in.
	* Makefile: add rule to create emacs.c from emacs-c.in.
	* emacs-gen.sh: new file.
	* emacs.c(struct x_defbindings, x_defbindings[]): new struct/array.
	* emacs.c(struct x_ftab, x_ftab[]): removed x_db_tab, x_db_char;
	  initialize x_ftab[] via script.
	* emacs.c(x_init_emacs): changed to load key bindings from
	  x_defbindings.
	* emacs.c(Findex): added typedef.
	* emacs.c(x_tab[]): changed to index into x_ftab; changed all refernces.
	* emacs.c(xft_*): changed to XFUNC_*.
	* emacs.c(XF_PREFIX): new flag, used for x_meta1, 2, 3.
	* emacs.c(KPREF,KNULL): deleted (no functional use), changed
	  references to KSTD.
	* emacs.c(x_last_command): changed type to Findex.
	* emacs.c(x_emacs): set x_last_command to 0 at start; removed
	  same from case KEOL.

	* emacs.c(XF_ARG): new flag for struct ftab.
	* emacs.c(x_ftab[]): filled in XF_ARG for appropriate commands.
	* emacs.c(x_arg_defaulted): new variable.
	* emacs.c(x_emacs,x_set_arg): set x_arg_defaulted.
	* emacs.c(x_bword, x_fword,x_fold_case): removed use of x_last_command.
	* emacs.c(x_fold_upper,x_fold_lower,x_fold_capitailze): trivial
	  functions that call x_fold_case; changed x_ftab[] to use these
	  instead of x_fold_case so arbitrary keys can be bound to them.
	* emacs.c(x_fold_case): changed to assume argument is 'L', 'U', or 'C'.
	* emacs.c(x_del_back,x_del_char,x_prev_histword,x_prev_com,x_next_com,
	  x_kill,x_insert): use x_arg and x_arg_defaulted.
	* emacs.c(x_delete): don't change mark point (xmp) if <= cp; added
	  force_push argument; changed all calls.

Mon Apr 17 10:30:12 NDT 1995 Michael Rendell ([e-mail])

	* emacs.c(x_e_getc): changed to handle macroptr, ungetting characters.
	* emacs.c(x_e_ungetc): new function.
	* emacs.c(x_emacs): let x_e_getc() take care of macroptr.
	* emacs.c(x_version,x_search_hist): use x_e_ungetc() instead of
	  macroptr.
	* emacs.c(x_set_arg): handle string of digits.

	* emacs.c(x_search_hist): handle deleting chars from search string.
	  (fix from Dale DePriest)
	* emacs.c(x_search): added sameline paramater.
	* emacs.c(x_search_list): changes x_zots() to x_e_puts(); make
	  deleting in empty pattern break out of search.

	* vi.c(domove): case '%': adjust ncursor forward only if matching
	  opening bracket (so when cursor is on the B in "(fooBar)", c%
	  changes the openbracket as well.
	* vi.c(vi_cmd): case y/d/c: special case to move end point ahead
	  if move cmd is % and match was to the left of the cursor.

Thu Apr 13 10:34:26 NDT 1995 Michael Rendell ([e-mail])

	* vi.c(complete_word): no bell on ambiguous matches (user can
	  tell its ambiguous 'cause there is not space or slash appended)

	* configure.in,aclocal.m4: added KSH_MEMMOVE, KSH_MEMSET tests
	  to fix problems with compiler builtins.

	* misc.c(blocking_read, reset_nonblock) new routines.
	* sh.h: deleted O_NONBLOCK ifdefs/defines.
	* main.c(main),lex.c(getsc_),edit.c(x_getc),shf.c(shf_fillbuf):
	  use reset_nonblock().
	  (fix based on code from John Rochester)

Tue Apr 11 14:36:22 NDT 1995 Michael Rendell ([e-mail])

	* history.c(c_fc): mostly POSIXized.
	* history.c(hist_execute,hist_get_newest,hist_get_oldest): new routines.
	* history.c(hist_get,histget): changed histget to hist_get.
	* history.c(hist_replace,histrpl): changed histrpl to hist_replace.
	* lex.h(SHIST,histpush): deleted; deleted all references.
	* history.c(histget): add approx check for history that hasn't
	  happened yet.

	* misc.c(getn): allow leading plus (eg, +3).

	* main.c(initcoms[]): defined history as "fc -l --".

	* conf-end.h(JOBS): don't define if no posix or bsd process groups
	  (was if SIGCONT not defined).

Mon Apr 10 14:51:54 NDT 1995 Michael Rendell ([e-mail])

	* exec.c(comexec),c_ksh.c(c_getopts),c_sh.c(c_read): use FEXPORT flag.

	* ksh_wait.h: changed to work with autoconf 2.x AC_HEADER_SYS_WAIT -
	  if sys/wait.h uses union wait, don't include it.

Thu Apr  6 12:19:58 NDT 1995 Michael Rendell ([e-mail])

	* tty.c(tty_init): print warning if open of /dev/tty fails.

Sat Mar  4 01:20:03 NST 1995 Michael Rendell ([e-mail])

	* io.c(maketemp): create valid dos filenames.

Mon Feb 27 11:04:32 NST 1995 Michael Rendell ([e-mail])

	* Changed from autoconf 1.x to autoconf 2.x.
	* acconfig.h: included old config.h.top and config.h.bot.
	* config.h.top, config.h.bot: deleted; deleted all references.
	* install.sh: changed to install-sh; changed all references.
	* Makefile.in: use @CPPFLAGS@, @CFLAGS@, @LDFLAGS@;
	  use @configure_input@; remove config.log and config.cache in
	  distclean; use @prefix@ and @exec_prefix@.
	* ksh_dir.h: changed to use new autoconf defines; changed NLENGTH()
	  to NAMLEN(); changed all references.

Mon Feb 27  9:31:02 NST 1995 Michael Rendell ([e-mail])

	* sh.h(ISABSPATH): new macro.
	* var.c(setspec): use ISABSPATH() when setting tmpdir.

	* emacs.c(compl_file): added OS2 ifdefs.
	* exec.c(scriptexec): OS2: ignore path specified in #! scripts.
	* sh.h(ksh_dupbase): OS2: now same as unix.
	* trap.c(sigtraps[],inittraps): remove OS2 defines.
	* trap.c(alarm_catcher): V7_SIGNALS: use sig, not i.
	  (Fixes from Dale DePriest)

Mon Feb 27 10:06:00 NST 1995 Michael Rendell ([e-mail])

	* configure.in: test for resource.h.
	* c_ulimit.c: include ksh_time.h instead of sys/time.h; use
	  HAVE_SYS_RESOURCE_H when including sys/resource.h
	  (was HAVE_SETRLIMIT).
	* aclocal.m4(KSH_RLIM_T): check sys/resources.h for rlim_t.

Fri Feb 24 17:30:16 NST 1995 Michael Rendell ([e-mail])

	* vi.c(struct macro_state, macro): new structure/variable.
	* vi.c(vi_hook, vi_cmd): use macro state info to allow nested macros,
	  detect recursive macros.

Wed Feb 22 21:20:43 NST 1995 Michael Rendell ([e-mail])

	* c_ksh.c(c_whence): "an export" instead of "a export".
	* vi.c(classify[]): added @<char>.
	* vi.c(vi_hook,vi_cmd): added support for @<char> (macros).
	  (fixes from Frank Edwards).

Sun Feb 19 11:57:20 NST 1995 Michael Rendell ([e-mail])

	* exec.c(comexec): case CFUNC: use cp (not tp->name) when checking if
	  an autoloaded function was defined; save/restore kshname before/after
	  function call.
	* var.c(popblock): don't set kshname to e->loc->argv[0] - it isn't
	  always right.

Fri Feb 10 12:36:16 NST 1995 Michael Rendell ([e-mail])

	* misc.c(parse_args): check OF_SET when building set_opts (was
	  checking OF_CMDLINE).

	* conf-end.h(JOBS): don't define if SIGCONT not defined.

	* sh.h(FLOGIN) new enum.
	* misc.c(options[],parse_args): added login option; set FLOGIN if
	  name in argv[0] starts with -.
	* main.c(main): use FLOGIN flag; changed the way OS2 code looks
	  for profile.

Wed Feb  1 09:55:40 NST 1995 Michael Rendell ([e-mail])

	* expr.c(varsub): in FUNSET test, don't always fail # and %
	  substitutions (test for unset variable).

Wed Jan 25 09:22:15 NST 1995 Michael Rendell ([e-mail])

	* sh.h(MIN_COLS): new define.
	* sh.h(MIN_EDIT_SPACE): new define.
	* vi.c(prompt_trunc): new variable.
	* vi.c(edit_resize): calculate how much of prompt to truncate.
	* lex.c(pprompt): added new argument; changed all calls.
	* lex.c(yylex),emacs.c(x_emacs),vi.c(x_vi): move pprompt() inside
	  x_emacs(), x_vi() or just before read in yylex().

Tue Jan 24 12:35:18 NST 1995 Michael Rendell ([e-mail])

	* misc.c(parse_args): changed arrayname variable to array.
	* var.c(basename): changed name of function to arrayname();
	  changed all references (Based on fix from Dan Quinlan).

Fri Dec 30 10:34:50 NST 1994 Michael Rendell ([e-mail])

	* ksh.1: modifications to generate two man pages: sh and ksh
	  (Fixes from Michael Harrdt).

Wed Dec 28 16:55:13 NST 1994 Michael Rendell ([e-mail])

	* vi.c(complete_word): don't check for globing characters.

Wed Dec 28 10:32:18 NST 1994 Michael Rendell ([e-mail])

	* exec.c(search_access1): don't use ret variable; move "." to end
	  of xsuffixes/rsuffixes.
	* os2.c(_execve): OS2: fixed typo.
	* sh.h(FILENCMP): changed stricmp to strnicmp.
	* os2/config.h: added define for rlim_t.
	* os2/make.sed: changed > null to > nul.
	* Makefile.in(dist): generate os2/makefile after running Dist-fixup.
	  (Fixes from Dale DePriest)

Thu Dec 22 15:06:06 NST 1994 Michael Rendell ([e-mail])

	* made pdksh-5.1.3 distribution

	* *.c: removed RCSids.

Wed Dec 21 11:55:01 NST 1994 Michael Rendell ([e-mail])

	* table.h(struct tbl): changed array field to union of array/fname;
	  changed all references.
	* c_ksh.c(c_whence): print undefined function path.
	* exec.c(comexec): do autoloading of undefined functions; print
	  error if function can't be found.
	* exec.c(findcom): fill in tp->u.fname for undefined functions;
	  search FPATH if search of PATH fails.
	* table.h(FC_NOAUTOLOAD): deleted define; removed all references.

Tue Dec 20 14:16:16 NST 1994 Michael Rendell ([e-mail])

	* exec.c(herein): check if name is null.
	* lex.h(HEREDELIM,SHEREDELIM,SHEREDQUOTE): new defines.
	* lex.c(yylex): added code for HEREDELIM.
	* syn.c(synio): use HEREDELIM.
	* lex.c(readhere): changed to allow \n in here-delimiter.

	* tree.c(tputS): quote ", ` and $ inside "-quotes.
	* tree.c(ptree,pioact): made static.
	* tree.c(ptree,fptreef,vfptreef): added indent argument; changed to
	  use indent argument; changed all calls.
	* tree.h(struct ioword): added delim field.
	* tree.c(iocopy),syn.c(synio,syntaxerr): deal with delim field.
	* tree.c(pioact): print contents of here documents.

	* c_ksh.c(c_typeset): typeset -f foo: set exit code to 1 if function
	  not found.

Mon Dec 19 15:14:02 NST 1994 Michael Rendell ([e-mail])

	* history.c(histinit): increment line number for each history line.

	* exec.c(iosetup): OS2: if open /dev/null fails, try nul instead.
	* Makefile.in(debugtools,install,uninstall): make check-pgrp last;
	  use $E.
	* eval.c(eval,expand): OS2: added DODIRSWP code.
	* main.c(main): OS2: only include $HOME/kshrc.ksh if interactive.
	* sh.h(FILENCMP,FILECMP,FILECHCONV): new defines.
	* misc.c(gmatch),vi.c(grabsearch,complete_word),emacs.c(compl_file):
	  OS2: case insensitive compares.
	  (fixes from Dale DePriest).

Mon Dec 19 09:54:42 NST 1994 Michael Rendell ([e-mail])

	* vi.c(vi_cmd): make ~ honour argcnt (fix from Troy Bollinger).

	* vi.c(complete_word): don't add trailing / if there is already one.
	* vi.c(glob_word): return rval, not 0.

Thu Dec 15 11:06:01 NST 1994 Michael Rendell ([e-mail])

	* vi.c(vi_cmd): call complete_word() with argument of 1 not 0.

Tue Dec 13 12:07:50 NST 1994 Michael Rendell ([e-mail])

	* history.c(histget): made static; added approx argument; changed
	  all calls.

Tue Dec 13 10:58:14 NST 1994 Michael Rendell ([e-mail])

	* Makefile.in(mandir): use $(manext), not 1 (fix from Mike Long).

Mon Dec 12 20:55:53 NST 1994 John Rochester ([e-mail])

	* tree.c(ptree): print TELIF part of if statements

Fri Dec  9 15:21:36 NST 1994 Michael Rendell ([e-mail])

	* trap.c(inittraps): OS2: don't trap SIGTERM (temproary fix).

	* exec.c(search_access1): OS2: fixed to check for valid suffix
	  and change mode from X_OK to R_OK if appropriate.

	* edit.c: include <sys/stream.h>, <sys/ptem.h> for SCO unix
	  (fix from William Bader).

	* c_ulimit.c(c_ulimit): changed type of val from long to rlim_t
	  (fix from Thomas Gellekum and J.T.Conklin).
	* aclocal.m4(KSH_RLIM_T): new test for rlim_t.
	* configure.in: use KSH_RLIM_T.
	* acconfig.h: added rlim_t.

Thu Dec  8 12:20:25 NST 1994 Michael Rendell ([e-mail])

	* expr.c(evalexpr): changed div-by-zero test to only derefernce vr
	  if operation is a divide.

Mon Dec  5 14:42:52 NST 1994 Michael Rendell ([e-mail])

	* exec.c(search): OS2: typo - changed namlen to namelen.
	* exec.c(search_access): OS2: check execute bit explicitly.
	* main.c(main): OS2: don't include ./profile.ksh.
	* options.h(DEFAULT_PATH): OS2: added /os2 to path.
	* sh.h(ksh_getdup): OS2: define to getdup(); prototype for getdup().
	* Makefile.in(dist): create os2 Makefile based on distribution
	  Makefile.in.

Mon Dec  5 12:17:14 NST 1994 Michael Rendell ([e-mail])

	* made pdksh-5.1.2 distribution

	* eval.c(globit): when searching directory, re-calculate end of
	  string based on prefix length.

Fri Dec  2 11:07:48 NST 1994 Michael Rendell ([e-mail])

	* syn.c(wordlist): if token isn't 'in', don't reject ;.