collective R54 release preparation multi-merger:

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)

Build.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.706 2016/11/07 16:55:51 tg Exp $'
+srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.707 2016/11/11 23:31:29 tg Exp $'
 #-
 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #		2011, 2012, 2013, 2014, 2015, 2016
@@ -584,7 +584,7 @@ if test -d $tfn || test -d $tfn.exe; then
 	exit 1
 fi
 rmf a.exe* a.out* conftest.c conftest.exe* *core core.* ${tfn}* *.bc *.dbg \
-    *.ll *.o *.gen Rebuild.sh lft no signames.inc test.sh x vv.out
+    *.ll *.o *.gen *.cat1 Rebuild.sh lft no signames.inc test.sh x vv.out
 
 SRCS="lalloc.c eval.c exec.c expr.c funcs.c histrap.c jobs.c"
 SRCS="$SRCS lex.c main.c misc.c shf.c syn.c tree.c var.c"
@@ -755,6 +755,24 @@ GNU/kFreeBSD)
 Haiku)
 	add_cppflags -DMKSH_ASSUME_UTF8; HAVE_ISSET_MKSH_ASSUME_UTF8=1
 	;;
+Harvey)
+	add_cppflags -D_POSIX_SOURCE
+	add_cppflags -D_LIMITS_EXTENSION
+	add_cppflags -D_BSD_EXTENSION
+	add_cppflags -D_SUSV2_SOURCE
+	add_cppflags -D_GNU_SOURCE
+	add_cppflags -DMKSH_ASSUME_UTF8; HAVE_ISSET_MKSH_ASSUME_UTF8=1
+	add_cppflags -DMKSH_NO_CMDLINE_EDITING
+	add_cppflags -DMKSH__NO_SETEUGID
+	oswarn=' and will currently not work'
+	add_cppflags -DMKSH_UNEMPLOYED
+	add_cppflags -DMKSH_NOPROSPECTOFWORK
+	# these taken from Harvey-OS github and need re-checking
+	add_cppflags -D_setjmp=setjmp -D_longjmp=longjmp
+	: "${HAVE_CAN_NO_EH_FRAME=0}"
+	: "${HAVE_CAN_FNOSTRICTALIASING=0}"
+	: "${HAVE_CAN_FSTACKPROTECTORSTRONG=0}"
+	;;
 HP-UX)
 	;;
 Interix)
@@ -833,12 +851,14 @@ OpenBSD)
 OS/2)
 	HAVE_TERMIOS_H=0
 	HAVE_MKNOD=0	# setmode() incompatible
-	oswarn="; it is currently being ported"
+	oswarn="; it is currently being ported, get it from"
+	oswarn="$oswarn${nl}https://github.com/komh/mksh-os2 in the meanwhile"
 	check_categories="$check_categories nosymlink"
 	: "${CC=gcc}"
 	: "${SIZE=: size}"
 	add_cppflags -DMKSH_UNEMPLOYED
 	add_cppflags -DMKSH_NOPROSPECTOFWORK
+	add_cppflags -DMKSH_NO_LIMITS
 	;;
 OSF1)
 	HAVE_SIG_T=0	# incompatible
@@ -2347,7 +2367,7 @@ addsrcs '!' HAVE_STRLCPY strlcpy.c
 addsrcs USE_PRINTF_BUILTIN printf.c
 test 1 = "$USE_PRINTF_BUILTIN" && add_cppflags -DMKSH_PRINTF_BUILTIN
 test 1 = "$HAVE_CAN_VERB" && CFLAGS="$CFLAGS -verbose"
-add_cppflags -DMKSH_BUILD_R=539
+add_cppflags -DMKSH_BUILD_R=541
 
 $e $bi$me: Finished configuration testing, now producing output.$ao
 
@@ -2593,8 +2613,8 @@ esac
 tcfn=$mkshexe
 test $cm = combine || v "$CC $CFLAGS $LDFLAGS -o $tcfn $lobjs $LIBS $ccpr"
 test -f $tcfn || exit 1
-test 1 = $r || v "$NROFF -mdoc <'$srcdir/mksh.1' >$tfn.cat1" || \
+test 1 = $r || v "$NROFF -mdoc <'$srcdir/lksh.1' >lksh.cat1" || rmf lksh.cat1
-    rmf $tfn.cat1
+test 1 = $r || v "$NROFF -mdoc <'$srcdir/mksh.1' >mksh.cat1" || rmf mksh.cat1
 test 0 = $eq && v $SIZE $tcfn
 i=install
 test -f /usr/ucb/$i && i=/usr/ucb/$i
@@ -2608,12 +2628,14 @@ if test $legacy = 0; then
 fi
 $e
 $e Installing the manual:
-if test -f $tfn.cat1; then
+if test -f mksh.cat1; then
-	$e "# $i -c -o root -g bin -m 444 $tfn.cat1" \
+	$e "# $i -c -o root -g bin -m 444 lksh.cat1" \
-	    "/usr/share/man/cat1/$tfn.0"
+	    "/usr/share/man/cat1/lksh.0"
+	$e "# $i -c -o root -g bin -m 444 mksh.cat1" \
+	    "/usr/share/man/cat1/mksh.0"
 	$e or
 fi
-$e "# $i -c -o root -g bin -m 444 $tfn.1 /usr/share/man/man1/$tfn.1"
+$e "# $i -c -o root -g bin -m 444 lksh.1 mksh.1 /usr/share/man/man1/"
 $e
 $e Run the regression test suite: ./test.sh
 $e Please also read the sample file dot.mkshrc and the fine manual.

Makefile

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/Makefile,v 1.153 2016/11/07 16:58:45 tg Exp $
+# $MirOS: src/bin/mksh/Makefile,v 1.154 2016/11/11 23:31:30 tg Exp $
 #-
 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #		2011, 2012, 2013, 2014, 2015, 2016
@@ -57,7 +57,7 @@ CPPFLAGS+=	-DMKSH_ASSUME_UTF8 -DMKSH_DISABLE_DEPRECATED \
 		-DHAVE_SETGROUPS=1 -DHAVE_STRERROR=0 -DHAVE_STRSIGNAL=0 \
 		-DHAVE_STRLCPY=1 -DHAVE_FLOCK_DECL=1 -DHAVE_REVOKE_DECL=1 \
 		-DHAVE_SYS_ERRLIST_DECL=1 -DHAVE_SYS_SIGLIST_DECL=1 \
-		-DHAVE_PERSISTENT_HISTORY=1 -DMKSH_BUILD_R=539
+		-DHAVE_PERSISTENT_HISTORY=1 -DMKSH_BUILD_R=541
 CPPFLAGS+=	-D${${PROG:L}_tf:C/(Mir${MAN:E}{0,1}){2}/4/:S/x/mksh_BUILD/:U}
 CPPFLAGS+=	-I.
 COPTS+=		-std=c89 -Wall

check.t

@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.755 2016/11/07 16:58:45 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.756 2016/11/11 23:31:31 tg Exp $
 # -*- mode: sh -*-
 #-
 # Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
@@ -30,7 +30,7 @@
 # (2013/12/02 20:39:44) http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/regress/bin/ksh/?sortby=date
 
 expected-stdout:
-	@(#)MIRBSD KSH R53 2016/11/07
+	@(#)MIRBSD KSH R54 2016/11/11
 description:
 	Check version of shell.
 stdin:
@@ -39,7 +39,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R53 2016/11/07
+	@(#)LEGACY KSH R54 2016/11/11
 description:
 	Check version of legacy shell.
 stdin:
@@ -4948,7 +4948,7 @@ name: integer-base-check-flat
 description:
 	Check behaviour does not match POSuX (except if set -o posix),
 	because a not type-safe scripting language has *no* business
-	interpreting the string "010" as octal numer eight (dangerous).
+	interpreting the string "010" as octal number eight (dangerous).
 stdin:
 	echo 1 "$("$__progname" -c 'echo :$((10))/$((010)),$((0x10)):')" .
 	echo 2 "$("$__progname" -o posix -c 'echo :$((10))/$((010)),$((0x10)):')" .

edit.c

@@ -28,7 +28,7 @@
 
 #ifndef MKSH_NO_CMDLINE_EDITING
 
-__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.310 2016/11/11 21:13:21 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.311 2016/11/11 23:31:33 tg Exp $");
 
 /*
  * in later versions we might use libtermcap for this, but since external
@@ -258,7 +258,8 @@ x_print_expansions(int nwords, char * const *words, bool is_command)
 				break;
 		/* All in same directory? */
 		if (i == nwords) {
-			while (prefix_len > 0 && words[0][prefix_len - 1] != '/')
+			while (prefix_len > 0 &&
+			    !mksh_cdirsep(words[0][prefix_len - 1]))
 				prefix_len--;
 			use_copy = true;
 			XPinit(l, nwords + 1);
@@ -338,7 +339,7 @@ x_glob_hlp_tilde_and_rem_qchar(char *s, bool magic_flag)
 	 * and if so, discern "~foo/bar" and "~/baz" from "~blah";
 	 * if we have a directory part (the former), try to expand
 	 */
-	if (*s == '~' && (cp = strchr(s, '/')) != NULL) {
+	if (*s == '~' && (cp = mksh_sdirsep(s)) != NULL) {
 		/* ok, so split into "~foo"/"bar" or "~"/"baz" */
 		*cp++ = 0;
 		/* try to expand the tilde */
@@ -593,7 +594,7 @@ x_locate_word(const char *buf, int buflen, int pos, int *startp,
 			 * like file globbing.
 			 */
 			for (p = start; p < end; p++)
-				if (buf[p] == '/')
+				if (mksh_cdirsep(buf[p]))
 					break;
 			iscmd = p == end;
 		}
@@ -657,7 +658,7 @@ x_cf_glob(int *flagsp, const char *buf, int buflen, int pos, int *startp,
 			}
 		}
 
-		if (*toglob == '~' && !vstrchr(toglob, '/')) {
+		if (*toglob == '~' && !mksh_vdirsep(toglob)) {
 			/* neither for '~foo' (but '~foo/bar') */
 			*flagsp |= XCF_IS_NOSPACE;
 			goto dont_add_glob;
@@ -746,13 +747,15 @@ x_basename(const char *s, const char *se)
 	if (s == se)
 		return (0);
 
-	/* Skip trailing slashes */
+	/* skip trailing directory separators */
-	for (p = se - 1; p > s && *p == '/'; p--)
+	p = se - 1;
-		;
+	while (p > s && mksh_cdirsep(*p))
-	for (; p > s && *p != '/'; p--)
+		--p;
-		;
+	/* drop last component */
-	if (*p == '/' && p + 1 < se)
+	while (p > s && !mksh_cdirsep(*p))
-		p++;
+		--p;
+	if (mksh_cdirsep(*p) && p + 1 < se)
+		++p;
 
 	return (p - s);
 }
@@ -2783,7 +2786,7 @@ do_complete(
 	 * append a space if this is a single non-directory match
 	 * and not a parameter or homedir substitution
 	 */
-	if (nwords == 1 && words[0][nlen - 1] != '/' &&
+	if (nwords == 1 && !mksh_cdirsep(words[0][nlen - 1]) &&
 	    !(flags & XCF_IS_NOSPACE)) {
 		x_ins(T1space);
 	}
@@ -5404,7 +5407,7 @@ complete_word(int cmd, int count)
 		 * append a space if this is a non-directory match
 		 * and not a parameter or homedir substitution
 		 */
-		if (match_len > 0 && match[match_len - 1] != '/' &&
+		if (match_len > 0 && !mksh_cdirsep(match[match_len - 1]) &&
 		    !(flags & XCF_IS_NOSPACE))
 			rval = putbuf(T1space, 1, false);
 	}

eval.c

@@ -23,7 +23,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.193 2016/09/01 12:59:09 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.194 2016/11/11 23:31:34 tg Exp $");
 
 /*
  * string expansion
@@ -1576,7 +1576,7 @@ globit(XString *xs,	/* dest string */
 			 * SunOS 4.1.3 does this...
 			 */
 			if ((check & GF_EXCHECK) && xp > Xstring(*xs, xp) &&
-			    xp[-1] == '/' && !S_ISDIR(lstatb.st_mode) &&
+			    mksh_cdirsep(xp[-1]) && !S_ISDIR(lstatb.st_mode) &&
 			    (!S_ISLNK(lstatb.st_mode) ||
 			    stat_check() < 0 || !S_ISDIR(statb.st_mode)))
 				return;
@@ -1586,7 +1586,7 @@ globit(XString *xs,	/* dest string */
 			 * directory
 			 */
 			if (((check & GF_MARKDIR) && (check & GF_GLOBBED)) &&
-			    xp > Xstring(*xs, xp) && xp[-1] != '/' &&
+			    xp > Xstring(*xs, xp) && !mksh_cdirsep(xp[-1]) &&
 			    (S_ISDIR(lstatb.st_mode) ||
 			    (S_ISLNK(lstatb.st_mode) && stat_check() > 0 &&
 			    S_ISDIR(statb.st_mode)))) {
@@ -1601,11 +1601,11 @@ globit(XString *xs,	/* dest string */
 
 	if (xp > Xstring(*xs, xp))
 		*xp++ = '/';
-	while (*sp == '/') {
+	while (mksh_cdirsep(*sp)) {
 		Xcheck(*xs, xp);
 		*xp++ = *sp++;
 	}
-	np = strchr(sp, '/');
+	np = mksh_sdirsep(sp);
 	if (np != NULL) {
 		se = np;
 		/* don't assume '/', can be multiple kinds */
@@ -1713,8 +1713,8 @@ maybe_expand_tilde(const char *p, XString *dsp, char **dpp, bool isassign)
 
 	Xinit(ts, tp, 16, ATEMP);
 	/* : only for DOASNTILDE form */
-	while (p[0] == CHAR && p[1] != '/' && (!isassign || p[1] != ':'))
+	while (p[0] == CHAR && !mksh_cdirsep(p[1]) &&
-	{
+	    (!isassign || p[1] != ':')) {
 		Xcheck(ts, tp);
 		*tp++ = p[1];
 		p += 2;

exec.c

@@ -23,7 +23,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.185 2016/11/11 21:13:23 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.186 2016/11/11 23:31:34 tg Exp $");
 
 #ifndef MKSH_DEFAULT_EXECSHELL
 #define MKSH_DEFAULT_EXECSHELL	MKSH_UNIXROOT "/bin/sh"
@@ -672,7 +672,7 @@ comexec(struct op *t, struct tbl * volatile tp, const char **ap,
 		rv = subst_exstat;
 		goto Leave;
 	} else if (!tp) {
-		if (Flag(FRESTRICTED) && vstrchr(cp, '/')) {
+		if (Flag(FRESTRICTED) && mksh_vdirsep(cp)) {
 			warningf(true, Tf_sD_s, cp, "restricted");
 			rv = 1;
 			goto Leave;
@@ -1123,7 +1123,7 @@ findcom(const char *name, int flags)
 	char *fpath;
 	union mksh_cchack npath;
 
-	if (vstrchr(name, '/')) {
+	if (mksh_vdirsep(name)) {
 		insert = 0;
 		/* prevent FPATH search below */
 		flags &= ~FC_FUNC;
@@ -1240,6 +1240,10 @@ search_access(const char *fn, int mode)
 		eno = errno;
 		return (eno ? eno : EACCES);
 	}
+#ifdef __OS2__
+	/* treat all files as executable on OS/2 */
+	sb.st_mode &= S_IXUSR | S_IXGRP | S_IXOTH;
+#endif
 	if (mode == X_OK && (!S_ISREG(sb.st_mode) ||
 	    !(sb.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))))
 		/* access(2) may say root can execute everything */
@@ -1263,7 +1267,7 @@ search_path(const char *name, const char *lpath,
 	size_t namelen;
 	int ec = 0, ev;
 
-	if (vstrchr(name, '/')) {
+	if (mksh_vdirsep(name)) {
 		if ((ec = search_access(name, mode)) == 0) {
  search_path_ok:
 			if (errnop)

lksh.1

@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/lksh.1,v 1.19 2016/08/25 16:21:33 tg Exp $
+.\" $MirOS: src/bin/mksh/lksh.1,v 1.20 2016/11/11 23:31:35 tg Exp $
 .\"-
 .\" Copyright (c) 2008, 2009, 2010, 2012, 2013, 2015, 2016
 .\"	mirabilos <m@mirbsd.org>
@@ -74,7 +74,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: August 25 2016 $
+.Dd $Mdocdate: November 11 2016 $
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"
@@ -221,8 +221,8 @@ for the versions this document applies to.
 .Nm
 uses
 .Tn POSIX
-arithmetics, which has quite a few implications:
+arithmetic, which has quite a few implications:
-The data type for arithmetics is the host
+The data type for arithmetic operations is the host
 .Tn ISO
 C
 .Vt long

main.c

@@ -34,7 +34,7 @@
 #include <locale.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/main.c,v 1.320 2016/10/26 22:55:51 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/main.c,v 1.321 2016/11/11 23:31:35 tg Exp $");
 
 extern char **environ;
 
@@ -227,7 +227,7 @@ main_init(int argc, const char *argv[], Source **sp, struct block **lp)
 	ccp = kshname;
 	goto begin_parsing_kshname;
 	while ((i = ccp[argi++])) {
-		if (i == '/') {
+		if (mksh_cdirsep(i)) {
 			ccp += argi;
  begin_parsing_kshname:
 			argi = 0;

misc.c

@@ -30,7 +30,7 @@
 #include <grp.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.248 2016/11/11 21:13:25 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.249 2016/11/11 23:31:35 tg Exp $");
 
 #define KSH_CHVT_FLAG
 #ifdef MKSH_SMALL
@@ -391,7 +391,7 @@ parse_args(const char **argv,
 		 */
 		if (*p != '-')
 			for (q = p; *q; )
-				if (*q++ == '/')
+				if (mksh_cdirsep(*q++))
 					p = q;
 		Flag(FLOGIN) = (*p == '-');
 		opts = cmd_opts;
@@ -1443,14 +1443,14 @@ do_realpath(const char *upath)
 
 	while (*ip) {
 		/* skip slashes in input */
-		while (*ip == '/')
+		while (mksh_cdirsep(*ip))
 			++ip;
 		if (!*ip)
 			break;
 
 		/* get next pathname component from input */
 		tp = ip;
-		while (*ip && *ip != '/')
+		while (*ip && !mksh_cdirsep(*ip))
 			++ip;
 		len = ip - tp;
 
@@ -1462,7 +1462,7 @@ do_realpath(const char *upath)
 			else if (len == 2 && tp[1] == '.') {
 				/* strip off last pathname component */
 				while (xp > Xstring(xs, xp))
-					if (*--xp == '/')
+					if (mksh_cdirsep(*--xp))
 						break;
 				/* then continue with the next one */
 				continue;
@@ -1485,7 +1485,7 @@ do_realpath(const char *upath)
 			/* lstat failed */
 			if (errno == ENOENT) {
 				/* because the pathname does not exist */
-				while (*ip == '/')
+				while (mksh_cdirsep(*ip))
 					/* skip any trailing slashes */
 					++ip;
 				/* no more components left? */
@@ -1545,6 +1545,7 @@ do_realpath(const char *upath)
 				/* assert: xp == xs.beg => start of path */
 
 				/* exactly two leading slashes? (SUSv4 3.266) */
+				/* @komh do NOT use mksh_cdirsep() here */
 				if (ip[1] == '/' && ip[2] != '/') {
 					/* keep them, e.g. for UNC pathnames */
 					Xput(xs, xp, '/');
@@ -1570,7 +1571,7 @@ do_realpath(const char *upath)
 	 * if source path had a trailing slash, check if target path
 	 * is not a non-directory existing file
 	 */
-	if (ip > ipath && ip[-1] == '/') {
+	if (ip > ipath && mksh_cdirsep(ip[-1])) {
 		if (stat(Xstring(xs, xp), &sb)) {
 			if (errno != ENOENT)
 				goto notfound;
@@ -1639,7 +1640,7 @@ make_path(const char *cwd, const char *file,
 
 			if (c == '.')
 				c = file[2];
-			if (c == '/' || c == '\0')
+			if (mksh_cdirsep(c) || c == '\0')
 				use_cdpath = false;
 		}
 
@@ -1661,7 +1662,7 @@ make_path(const char *cwd, const char *file,
 			XcheckN(*xsp, xp, len);
 			memcpy(xp, cwd, len);
 			xp += len;
-			if (cwd[len - 1] != '/')
+			if (!mksh_cdirsep(cwd[len - 1]))
 				Xput(*xsp, xp, '/');
 		}
 		*phys_pathp = Xlength(*xsp, xp);
@@ -1669,7 +1670,7 @@ make_path(const char *cwd, const char *file,
 			XcheckN(*xsp, xp, plen);
 			memcpy(xp, plist, plen);
 			xp += plen;
-			if (plist[plen - 1] != '/')
+			if (!mksh_cdirsep(plist[plen - 1]))
 				Xput(*xsp, xp, '/');
 			rval = 1;
 		}
@@ -1711,9 +1712,14 @@ simplify_path(char *p)
 		return;
 	case '/':
 		/* exactly two leading slashes? (SUSv4 3.266) */
+		/* @komh no mksh_cdirsep() here! */
 		if (p[1] == '/' && p[2] != '/')
 			/* keep them, e.g. for UNC pathnames */
 			++p;
+#ifdef __OS2__
+		/* FALLTHROUGH */
+	case '\\':
+#endif
 		needslash = true;
 		break;
 	default:
@@ -1723,14 +1729,14 @@ simplify_path(char *p)
 
 	while (*ip) {
 		/* skip slashes in input */
-		while (*ip == '/')
+		while (mksh_cdirsep(*ip))
 			++ip;
 		if (!*ip)
 			break;
 
 		/* get next pathname component from input */
 		tp = ip;
-		while (*ip && *ip != '/')
+		while (*ip && !mksh_cdirsep(*ip))
 			++ip;
 		len = ip - tp;
 
@@ -1750,7 +1756,7 @@ simplify_path(char *p)
  strip_last_component:
 					/* strip off last pathname component */
 					while (dp > sp)
-						if (*--dp == '/')
+						if (mksh_cdirsep(*--dp))
 							break;
 				} else {
 					/* relative path, at its beginning */

mksh.1

@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.419 2016/11/11 22:17:09 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.420 2016/11/11 23:31:36 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.160 2015/07/04 13:27:04 feinerer Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -1060,7 +1060,7 @@ For
 and
 .Dq Li \eu#### ,
 .Dq #
-means a hexadecimal digit, of thich there may be none up to four or eight;
+means a hexadecimal digit, of which there may be none up to four or eight;
 these escapes translate a Unicode codepoint to UTF-8.
 Furthermore,
 .Dq Li \eE
@@ -2602,7 +2602,7 @@ This also affects implicit conversion to integer, for example as done by the
 .Ic let
 command.
 .Em Never
-use unchecked user input, e.g. from the environment, in arithmetics!
+use unchecked user input, e.g. from the environment, in an arithmetic context!
 .Pp
 Expressions are calculated using signed arithmetic and the
 .Vt mksh_ari_t
@@ -4899,7 +4899,7 @@ If necessary, values are either truncated or space padded
 to fit the field width.
 .It Fl l
 Lower case attribute.
-All upper case characters in values are converted to lower case.
+All upper case ASCII characters in values are converted to lower case.
 (In the original Korn shell, this parameter meant
 .Dq long integer
 when used with the
@@ -4923,7 +4923,7 @@ is lazily evaluated at the time
 .Ar name
 is accessed.
 This can be used by functions to access variables whose names are
-passed as parametres, instead of using
+passed as parameters, instead of using
 .Ic eval .
 .It Fl p
 Print complete
@@ -4964,7 +4964,7 @@ option).
 This option is not in the original Korn shell.
 .It Fl u
 Upper case attribute.
-All lower case characters in values are converted to upper case.
+All lower case ASCII characters in values are converted to upper case.
 (In the original Korn shell, this parameter meant
 .Dq unsigned integer
 when used with the
@@ -5381,11 +5381,11 @@ to behave even more
 compliant in places where the defaults or opinions differ.
 Note that
 .Nm mksh
-will still operate with unsigned 32-bit arithmetics; use
+will still operate with unsigned 32-bit arithmetic; use
 .Nm lksh
-if arithmetics on the host
+if arithmetic on the host
 .Vt long
-data type, complete with ISO C Undefined Behaviour, are required;
+data type, complete with ISO C Undefined Behaviour, is required;
 refer to the
 .Xr lksh 1
 manual page for details.
@@ -5586,7 +5586,7 @@ Moves the cursor to the beginning of the edited input line.
 .Op Ar n
 .No \*(ha[C , \*(ha[c
 .Xc
-Uppercase the first character in the next
+Uppercase the first ASCII character in the next
 .Ar n
 words, leaving the cursor past the end of the last word.
 .It clear\-screen: \*(ha[\*(haL
@@ -6586,8 +6586,8 @@ This shell is based on the public domain 7th edition Bourne shell clone by
 .An Charles Forsyth ,
 who kindly agreed to, in countries where the Public Domain status of the work
 may not be valid, grant a copyright licence to the general public to deal in
-the work without restriction and permission to sublicence derivates under the
+the work without restriction and permission to sublicence derivatives under
-terms of any (OSI approved) Open Source licence,
+the terms of any (OSI approved) Open Source licence,
 and parts of the BRL shell by
 .An Doug A. Gwyn ,
 .An Doug Kingston ,
@@ -6629,7 +6629,7 @@ The complete legalese is at:
 has a different scope model from
 .At
 .Nm ksh ,
-which leads to subtile differences in semantics for identical builtins.
+which leads to subtle differences in semantics for identical builtins.
 This can cause issues with a
 .Ic nameref
 to suddenly point to a local variable by accident; fixing this is hard.
@@ -6644,9 +6644,9 @@ foo \*(Ba bar \*(Ba& read \-p baz        # will, however, do so
 .Ed
 .Pp
 .Nm mksh
-provides a consistent set of 32-bit integer arithmetics, both signed
+provides a consistent 32-bit integer arithmetic implementation, both
-and unsigned, with defined wraparound and sign of the result of a
+signed and unsigned, with sign of the result of a remainder operation
-remainder operation, even (defying POSIX) on 36-bit and 64-bit systems.
+and wraparound defined, even (defying POSIX) on 36-bit and 64-bit systems.
 .Pp
 .Nm mksh
 provides a consistent, clear interface normally.
@@ -6701,7 +6701,7 @@ The truncation process involved when changing
 .Ev HISTFILE
 does not free old history entries (leaks memory) and leaks
 old entries into the new history if their line numbers are
-not overwritten by same-numer entries from the persistent
+not overwritten by same-number entries from the persistent
 history file; truncating the on-disc file to
 .Ev HISTSIZE
 lines has always been broken and prone to history file corruption

sh.h

@@ -175,9 +175,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.790 2016/11/07 16:58:48 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.791 2016/11/11 23:31:38 tg Exp $");
 #endif
-#define MKSH_VERSION "R53 2016/11/07"
+#define MKSH_VERSION "R54 2016/11/11"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES
@@ -578,7 +578,7 @@ char *ucstrstr(char *, const char *);
 #define mkssert(e)	do { } while (/* CONSTCOND */ 0)
 #endif
 
-#if (!defined(MKSH_BUILDMAKEFILE4BSD) && !defined(MKSH_BUILDSH)) || (MKSH_BUILD_R != 539)
+#if (!defined(MKSH_BUILDMAKEFILE4BSD) && !defined(MKSH_BUILDSH)) || (MKSH_BUILD_R != 541)
 #error Must run Build.sh to compile this.
 extern void thiswillneverbedefinedIhope(void);
 int
@@ -1350,7 +1350,7 @@ EXTERN mksh_ari_t x_lins E_INIT(24);
 /* Determine the location of the system (common) profile */
 
 #ifndef MKSH_DEFAULT_PROFILEDIR
-#define MKSH_DEFAULT_PROFILEDIR	"/etc"
+#define MKSH_DEFAULT_PROFILEDIR	MKSH_UNIXROOT "/etc"
 #endif
 
 #define MKSH_SYSTEM_PROFILE	MKSH_DEFAULT_PROFILEDIR "/profile"
@@ -1748,8 +1748,6 @@ typedef struct XString {
 	Area *areap;
 } XString;
 
-typedef char *XStringP;
-
 /* initialise expandable string */
 #define XinitN(xs, length, area) do {				\
 	(xs).len = (length);					\
@@ -1825,6 +1823,15 @@ typedef struct {
 #define XPclose(x)	aresize2((x).beg, XPsize(x), sizeof(void *), ATEMP)
 #define XPfree(x)	afree((x).beg, ATEMP)
 
+/* for print_columns */
+
+struct columnise_opts {
+	struct shf *shf;
+	char linesep;
+	bool do_last;
+	bool prefcol;
+};
+
 /*
  * Lexer internals
  */
@@ -2021,7 +2028,7 @@ void flushcom(bool);
 int search_access(const char *, int);
 const char *search_path(const char *, const char *, int, int *);
 void pr_menu(const char * const *);
-void pr_list(char * const *);
+void pr_list(struct columnise_opts *, char * const *);
 int herein(struct ioword *, char **);
 /* expr.c */
 int evaluate(const char *, mksh_ari_t *, int, bool);
@@ -2122,8 +2129,8 @@ void runtrap(Trap *, bool);
 void cleartraps(void);
 void restoresigs(void);
 void settrap(Trap *, const char *);
-int block_pipe(void);
+bool block_pipe(void);
-void restore_pipe(int);
+void restore_pipe(void);
 int setsig(Trap *, sig_t, int);
 void setexecsig(Trap *, int);
 #if HAVE_FLOCK || HAVE_LOCK_FCNTL
@@ -2237,9 +2244,9 @@ void ksh_getopt_reset(Getopt *, int);
 int ksh_getopt(const char **, Getopt *, const char *);
 void print_value_quoted(struct shf *, const char *);
 char *quote_value(const char *);
-void print_columns(struct shf *, unsigned int,
+void print_columns(struct columnise_opts *, unsigned int,
     void (*)(char *, size_t, unsigned int, const void *),
-    const void *, size_t, size_t, bool);
+    const void *, size_t, size_t);
 void strip_nuls(char *, size_t)
     MKSH_A_BOUNDED(__string__, 1, 2);
 ssize_t blocking_read(int, char *, size_t)
@@ -2420,13 +2427,26 @@ extern int tty_init_fd(void);	/* initialise tty_fd, tty_devtty */
 })
 #define mksh_abspath(s)			__extension__({			\
 	const char *mksh_abspath_s = (s);				\
-	(mksh_abspath_s[0] == '/' || (ksh_isalphx(mksh_abspath_s[0]) &&	\
+	(mksh_cdirsep(mksh_abspath_s[0]) ||				\
+	    (ksh_isalphx(mksh_abspath_s[0]) &&				\
 	    mksh_abspath_s[1] == ':'));					\
 })
+#define mksh_cdirsep(c)			__extension__({			\
+	char mksh_cdirsep_c = (c);					\
+	(mksh_cdirsep_c == '/' || mksh_cdirsep_c == '\\');		\
+})
+/*
+ * I've seen mksh_sdirsep(s) and mksh_vdirsep(s) but need to think
+ * more about the OS/2 port (and, possibly, toy with it) before I
+ * can merge this upstream, but good job so far @komh, thanks!
+ */
 #else
 #define binopen2(path,flags)		open((path), (flags) | O_BINARY)
 #define binopen3(path,flags,mode)	open((path), (flags) | O_BINARY, (mode))
 #define mksh_abspath(s)			((s)[0] == '/')
+#define mksh_cdirsep(c)			((c) == '/')
+#define mksh_sdirsep(s)			strchr((s), '/')
+#define mksh_vdirsep(s)			vstrchr((s), '/')
 #endif
 
 /* be sure not to interfere with anyone else's idea about EXTERN */

var.c

@@ -28,7 +28,7 @@
 #include <sys/sysctl.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/var.c,v 1.208 2016/10/22 23:56:50 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/var.c,v 1.209 2016/11/11 23:31:39 tg Exp $");
 
 /*-
  * Variables
@@ -133,7 +133,7 @@ initvar(void)
 	struct tbl *tp;
 
 	ktinit(APERM, &specials,
-	    /* currently 15 specials: 75% of 32 = 2^5 */
+	    /* currently 18 specials: 75% of 32 = 2^5 */
 	    5);
 	while (i < V_MAX - 1) {
 		tp = ktenter(&specials, initvar_names[i],
@@ -1149,6 +1149,13 @@ makenv(void)
 					/* setstr can't fail here */
 					setstr(vp, val, KSH_RETURN_ERROR);
 				}
+#ifdef __OS2__
+				/* these special variables are not exported */
+				if (!strcmp(vp->name, "BEGINLIBPATH") ||
+				    !strcmp(vp->name, "ENDLIBPATH") ||
+				    !strcmp(vp->name, "LIBPATHSTRICT"))
+					continue;
+#endif
 				XPput(denv, vp->val.s);
 			}
 		if (l->flags & BF_STOPENV)
@@ -1274,6 +1281,13 @@ setspec(struct tbl *vp)
 	int st;
 
 	switch ((st = special(vp->name))) {
+#ifdef __OS2__
+	case V_BEGINLIBPATH:
+	case V_ENDLIBPATH:
+	case V_LIBPATHSTRICT:
+		setextlibpath(vp->name, str_val(vp));
+		return;
+#endif
 #if HAVE_PERSISTENT_HISTORY
 	case V_HISTFILE:
 		sethistfile(str_val(vp));
@@ -1396,6 +1410,13 @@ unsetspec(struct tbl *vp)
 	 */
 
 	switch (special(vp->name)) {
+#ifdef __OS2__
+	case V_BEGINLIBPATH:
+	case V_ENDLIBPATH:
+	case V_LIBPATHSTRICT:
+		setextlibpath(vp->name, "");
+		return;
+#endif
 #if HAVE_PERSISTENT_HISTORY
 	case V_HISTFILE:
 		sethistfile(NULL);

var_spec.h

@@ -19,7 +19,7 @@
  */
 
 #if defined(VARSPEC_DEFNS)
-__RCSID("$MirOS: src/bin/mksh/var_spec.h,v 1.9 2016/07/25 21:02:13 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/var_spec.h,v 1.10 2016/11/11 23:31:39 tg Exp $");
 #define FN(name)			/* nothing */
 #elif defined(VARSPEC_ENUMS)
 #define FN(name)			V_##name,
@@ -40,13 +40,22 @@ F0(NONE)
 
 /* 1 and up are special variables */
 FN(BASHPID)
+#ifdef __OS2__
+FN(BEGINLIBPATH)
+#endif
 FN(COLUMNS)
+#ifdef __OS2__
+FN(ENDLIBPATH)
+#endif
 FN(EPOCHREALTIME)
 #if HAVE_PERSISTENT_HISTORY
 FN(HISTFILE)
 #endif
 FN(HISTSIZE)
 FN(IFS)
+#ifdef __OS2__
+FN(LIBPATHSTRICT)
+#endif
 FN(LINENO)
 FN(LINES)
 FN(OPTIND)