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。

Thu Jun 15 11:02:06 NDT 1995 Michael Rendell ([e-mail])

	* made pdksh-5.2.3 distribution

	* c_ksh.c(c_whence): search keyword table if vflag set.

	* tree.h(DOVACHECK): new define.
	* eval.c(expand): check DOVACHECK flag.
	* exec.c(execute): when calling eval(), or in t->evalflags.
	* syn.c(get_command): set evalflags to DOVACHECK instead of DOASNTILDE.

Wed Jun 14 09:27:19 NDT 1995 Michael Rendell ([e-mail])

	* c_ksh.c(c_cd): two argument format: use current_wd, not path
	  when appending elen bytes.
	  (fix from Gabor Zahemszky).

Tue Jun 13 15:54:11 NDT 1995 Michael Rendell ([e-mail])

	* history.c(c_fc): if last not specified and !-l, use first as last.

	* eval.c(maybe_expand_tilde): allow CSUBST to end tilde word.

	* misc.c(gmatch): made sc and pc unsigned.

Fri Jun  2 11:55:40 NDT 1995 Michael Rendell ([e-mail])

	* configure.in: added flock to AC_CHECK_FUNCS call.
	* conf-end.h: undef COMPLEX_HISTORY if !HAVE_FLOCK.

Tue May 30 20:38:47 NDT 1995 Michael Rendell ([e-mail])

	* sh.h(SEEK_SET,SEEK_CUR,SEEK_END): define if not defined.
	* history.c: change L_XTND to SEEK_END.

Tue May 30 17:01:34 NDT 1995 John Rochester ([e-mail])

	* shf.c(shf_seek): new function.
	* shf.h(shf_seek): new prototype.

Tue May 30 16:42:41 NDT 1995 Michael Rendell ([e-mail])

	* aclocal.m4(KSH_DEV_FD): new test.
	* acconfig.h(HAVE_DEV_FD): new define.
	* configure.in: call KSH_DEV_FD.

	* c_test.h(TO_FILAXST): new enum.
	* c_test.c(test_stat,test_eaccess): new functions for /dev/fd/n
	  handling.
	* c_test.c(test_evalop): call test_stat() and test_eaccess()
	  instead of stat() and eaccess() in most places; added case
	  for TO_FILAXST.

Tue May 30 16:06:21 NDT 1995 Michael Rendell ([e-mail])

	* aclocal.m4(KSH_MEMMOVE): fixed test so copies overlap.

Sun May 28 11:11:03 NDT 1995 John Rochester ([e-mail])

	* sh.h(safe_prompt): new variable.
	* main.c(initsubs): removed PS1.
	* main.c(main): initialize safe_prompt; initialize PS1 from
	  safe_prompt.
	* lex.c(set_prompt): create new env while expanding PS1 - if expansion
	  fails, use safe_prompt.

Sat May 27 20:59:02 NDT 1995 Michael Rendell ([e-mail])

	* exec.c: put comments around token after #endif.

Thu May 25 10:10:45 NDT 1995 Michael Rendell ([e-mail])

	* c_test.c(test_eval): case TO_OPTION: negate test if option starts
	  with a !, always fail if option doesn't exist.

	* sh.h(FNOHUP): new define.
	* misc.c(options[]): "nohup" new option.
	* jobs.c(j_stopped,j_stopped_running): name of j_stopped changed
	  to j_stopped_running; changed all calls; check for/warn about
	  running jobs if appropriate.
	* jobs.c(j_exit): check for/kill running jobs if appropriate.
	* main.c(shell),c_sh.c(c_exit): un-ifdef JOBS the j_stopped_running()
	  call and really_exit initialization/clearing.

Wed May 24 10:06:14 NDT 1995 Michael Rendell ([e-mail])

	* options.h(DEFAULT_ENV): new define.
	* main.c(main): if ENV isn't set and DEFAULT_ENV is defined, include
	  the later.
	  (based on patches from Dave Kinchlea).

	* sh.h(LAEXPR): new define.
	* expr.c(evaluate): changed return type to error indicator; added
	  rval and error_ok arguments; changed all calls (c_sh.c(c_shift),
	  c_ulimit.c(c_ulimit),eval.c(expand),var.c(global,local)).
	* expr.c(v_evaluate): added error_ok argument; changed return value
	  to error indicator; call unwind() if !error_ok.
	* expr.c(evalerr): changed errorf() to warningf(); call unwind(LAEXPR).
	* c_test.c(test_eval): merged code for integer operations to have
	  two calls to evaluate().

	* io.c(warningf): print trailing newline; changed all calls.

	* history.c(hist_get): string search: use histptr, not histptr - 1.

Tue May 23 11:07:50 NDT 1995 Michael Rendell ([e-mail])

	* sh.h(GI_NONAME): new define.
	* misc.c(ksh_getopts): honour GI_NONAME flag.
	* c_ksh.c(getopts_reset): set GI_NONAME flag.

	* exec.c(comexec): don't change $0 if FPOSIX flag set.

	* misc.c(ksh_getopt): don't use GI_DONE to allow parsing past
	  bad options.
	* sh.h(GI_DONE): deleted define.

	* var.c(unset): added array_ref parameter; unset/free whole array
	  if not an array_reference; changed all calls.
	* c_sh.c(c_unset): set array_ref parameter if there is a [ in the name.

Mon May 22 10:33:14 NDT 1995 Michael Rendell ([e-mail])

	* history.c(hist_init): complex version: initialize hist_source
	  (fix from Simon J. Gerraty).

Sat May 20 11:06:15 NDT 1995 Michael Rendell ([e-mail])

	* made pdksh-5.2.2 distribution

	* Makefile.in: added c_test.h to HDRS.

Fri May 19 12:35:18 NDT 1995 Michael Rendell ([e-mail])

	* made pdksh-5.2.1 distribution

	* emacs.c(v_version): ignore typed character if it is a space.
	* emacs.c(x_emacs_keys): bind <ESC>erase-char to delete-back-word
	  (was delete-back-char).
	* emacs.c(x_defkeybindings[]): bound list-file to ^X^Y and
	  newline-and-next to ^O, as per man page.

	* c_ksh.c(c_whence): changed "is a keyword" to "is a reserved word".

	* sh.h: changed SVSV_PGRP to SYSV_PGRP.

	* vi.c(vi_cmd): uncommented case for ^[ to make it easy to enable
	  completion.

Mon May 15 15:25:22 NDT 1995 Michael Rendell ([e-mail])

	* history.c(c_fc): accept -40 as -- -40.
	* main.c(initcoms[]): take -- out of history alias.

	* vi.c(print_expansions): handle trailing slash correctly (don't
	  print empty strings).

	* c_ksh.c(c_cd): put back ksh_get_wd() call for os/2.

	* misc.c(ksh_get_wd): changed buf to b in call to getcwd().

Tue May  9 13:57:31 NDT 1995 Michael Rendell ([e-mail])

	* c_test.h: new file.
	* c_test.c: major code restructuring: common parsing/evaluation
	  routines call/called-by three sets of routines: one for
	  normal test (and [..]), one for parsing [[ .. ]] one for
	  evaluating [[ .. ]].
	* c_test.c(oexpr,aexpr,nexpr,primary,is_op): renamed to test_oexpr,
	  test_aexpr, test_nexpr, test_primary, test_isop.
	* c_test.c(eval_unop,eval_binop): combined into new test_eval function.
	* c_test.c(syntax): renamed to ptest_error,
	* c_test.c(ptest_isa,ptest_getopnd,ptest_eval): new functions.
	* syn.c(syntaxerr): added extra arg; changed all calls.
	* syn.c(db_parse,db_oaexpr,db_nexpr,db_primary): deleted.
	* syn.c(dbtestp_isa,dbtestp_getopnd,dbtestp_eval,dbtestp_error): added.
	* syn.c(get_command): case DBRACKET: changed to call new routines.
	* tree.c(ptree): case DBRACKET: changed.
	* exec.c(execute): case DBRACKET: changed.
	* exec.c(dbteste_isa,dbteste_getopnd,dbteste_eval,dbteste_error): added.

Fri May  5 17:10:23 NDT 1995 Michael Rendell ([e-mail])

	* emacs.c(compl_file,compl_command): fixed buffer growing code.

Thu May  4 22:44:01 NDT 1995 Michael Rendell ([e-mail])

	* aclocal.m4(KSH_UNISTD_H): include <sys/types.h> and only include
	  <dirent.h> if HAVE_DIRENT_H is defined.

Thu May  4 21:19:15 NDT 1995 Michael Rendell ([e-mail])

	* c_ksh.c: include "ksh_stat.h".
	* c_ksh.c(c_cd): don't do physical chdir if S_ISLNK not defined.

Wed May  3 10:08:32 NDT 1995 Michael Rendell ([e-mail])

	* made pdksh-5.2.0 distribution

	* misc.c: include <ctype.h>.
	* misc.c(gmatch): added isfile argument; changed all calls.
	* sh.h(FILECHCONV): (os2 version) - use isupper.
	* emacs.c(strmatch): don't increment in FILECHCONV.

	* aclocal.m4(KSH_HEADER_SYS_WAIT): new macro.
	* configure.in: use KSH_HEADER_SYS_WAIT instead of AC_HEADER_SYS_WAIT.
	* ksh_wait.h: if POSIX_SYS_WAIT not defined, undef W* macros.

Tue May  2 12:10:39 NDT 1995 Michael Rendell ([e-mail])

	* emacs.c,emacs-gen.sh,emacs-c.in,emacs.out,Makefile.in: changed emacs
	  source munging to create emacs.out which is included by emacs.c
	  rather then munging emacs.c itself.

	* lex.c(pprompt): flush shl_out.

	* vi.c(glob_word): if path has *?[, don't add * (was if last component).

	* emacs.c(x_search_char): renamed to x_search_char_forw.
	* emacs.c(x_search_char_back): new function; bound to ^[^].

	* sh.h: changed SVR3_PGRP to SYSV_PGRP.
	(fixes from Gabor Zahemszky).

Tue May  2 10:09:57 NDT 1995 Michael Rendell ([e-mail])

	* c_ksh.c(c_cd): deleted OS2 ifdefs.
	* path.c(make_path): use ISRELPATH instead of ISABSPATH
	* path.c(simplify_path): use ISROOTEDPATH instead of ISABSPATH.
	* sh.h(ISABSPATH,ISROOTEDPATH,ISRELPATH): changed/new defines.

	* aclocal.m4(AC_LANG_C,AC_LANG_CPLUSPLUS,AC_TRY_RUN): copied
	  from autoconf's acgeneral.m4, changed to handle .exe suffix.
	* aclocal.m4(KSH_OS_TYPE): os2 case: set $ac_exe_suffix.
	* configure.in: substitute ac_exe_suffix.
	* Makefile.in: changed references to E to exe_suffix, set to
	  ac_exe_suffix

	* c_ksh.c(c_cd): ifdef S_ISLNK second use of get_phys_path().
	* edit.c(x_mode): removed ifndef OS2.
	  (fixes from Dale DePriest)
	* exec.c(search_access1): add .sh to suffix lists.
	* vi.c(vi_insert,vi_hook): OS2: changes to allow arrow keys work
	  in insert mode.

Mon May  1 16:28:44 NDT 1995 Michael Rendell ([e-mail])

	* path.c(ksh_get_wd): getcwd() case, return alloc'd buffer, not
	  a malloc'd one.

Mon May  1 09:41:56 NDT 1995 Michael Rendell ([e-mail])

	* aclocal.m4: changed HAVE_SYS_RESOURCES_H to HAVE_SYS_RESOURCE_H.

	* aclocal.m4(KSH_OS_TYPE): new macro.
	* aclocal.m4(KSH_OS2_EMX): deleted.
	* configure.in: deleted calls to AC_AIX,AC_MINIX,AC_ISC_POSIX,
	  KSH_OS2_EMX; replaced with KSH_OS_TYPE.
	* acconfig.h(OS_ISC,OS_SCO): new undefs.
	* sh.h: changed use of isc386 to OS_ISC
	* edit.c: changed use of M_UNIX to OS_SCO.

Sat Apr 29 21:10:54 NDT 1995 Michael Rendell ([e-mail])

	* vi.c(glob_word): don't append * if there are unescaped globing
	  characters in the last component of the filename; some redundent
	  code eliminated.
	  (based on fix from Michael Jetzer).

Fri Apr 28 16:10:22 NDT 1995 Michael Rendell ([e-mail])

	* eval.c(globit): save/restore actual DIRSEP char - don't use DIRSEP.

	* c_ulimit.c: removed ARGS from declaration of ulimit to avoid
	  portability problems (osf/1 has ulimit(int,...), os2 has
	  ulimit(int,long)).

	* tty.c(tty_init): added __SCO__ defines to avoid opening /dev/tty.

	* configure.in,aclocal.m4,acconfig.h: added KSH_OS2_EMX test.
	* os2/config.h, os2/configure.cmd, os2/make.sed: updated for new
	  autoconf.

Tue Apr 25 12:20:45 NDT 1995 Michael Rendell ([e-mail])

	* configure.in: added sys/param.h test; changed getcwd test to getwd.
	* c_ksh.c(c_pwd): new function.
	* sh.h(current_wd, current_wd_size): new variables.
	* c_ksh.c(c_cd): changed to handle -L, -P.
	* main.c(main): use set_current_wd when setting $PWD; 
	  instead of changing to / when can't get pwd, print warning;
	  deleted pwd alias; don't make PWD and OLDPWD reaedonly.
	* path.c(simplify_path): changed to handle relative paths.
	* path.c(make_path): added phys_path argument to support cd -P.
	* path.c(set_current_wd,get_phys_path,do_phys_path): new functions.
	* misc.c(ksh_get_wd): new function.
	* missing.c(getcwd): deleted.
	* misc.c(options[]),sh.h: added "physical", FPHYSICAL.

Mon Apr 24 14:33:03 NDT 1995 Michael Rendell ([e-mail])

	* shf.c(shf_smprintf): new function.

	* expand.h(Xsize): new define.

Fri Apr 21 21:22:44 NDT 1995 Michael Rendell ([e-mail])

	* sh.h: changed SIZEOF_long to SIZEOF_LONG.
	* exec.c(scriptexec): if OS2 ifdefed code, changed ISDIRSEP to
	  explicit /.

Thu Apr 20 21:18:12 NDT 1995 Michael Rendell ([e-mail])

	* history.c(hist_get) if n < 0, use n + 1 to account for histbackup().

	* lex.c(set_prompt): added source argument; changed all calls; 
	  changed to do ! and !! substitutions when setting PS1.
	* lex.c(pprompt): ifdef'd out code to deal with ! and !!.

	* shf.c(shf_puts): new routine.
	* exec.c(herein), lex.c(getsc_): changed to use shf_puts.

Thu Apr 20 15:50:35 NDT 1995 Michael Rendell ([e-mail])

	* siglist.sh: clear traps in subshell to cover for bug in bash 1.4.3
	  (based on fix from Fritz Heinrichmeyer).

Wed Apr 19 12:04:59 NDT 1995 Michael Rendell ([e-mail])

	* vi.c(classify): cleaned up table; filled in U_ flag for commands
	  that don't modify things.
	* vi.c(first_insert, saved_inslen): new variables.
	* vi.c(vi_reset): don't reset yanklen, inslen, lastcmd, lastac;
	  set first_insert, saved_inslen.
	* vi.c(vi_insert): added code to handle first insertion to allow
	  redoing commands from last edit.
	  (based on fixes from Michael Jetzer).

	* vi.c(VVERSION): new state.
	* vi.c(classify): cleared C_ flag for 032 (^Z); set it for ^V.
	* vi.c(nextstate): added VVERSION.