do not use PATH_MAX on GNU/Hurd (even if it *was* defined), but use
some glibc-only functions that don’t require its use instead tested on gnubber, where (admittedly) sysconf(_PC_PATH_MAX) == 1024…
This commit is contained in:
tg
parent
ceb591bf6a
commit
dc98ec23a6
5
Build.sh
5
Build.sh
@ -1,5 +1,5 @@
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#!/bin/sh
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srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.429 2009/10/16 18:51:30 tg Exp $'
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srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.430 2009/10/27 16:59:59 tg Exp $'
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#-
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# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009
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# Thorsten Glaser <tg@mirbsd.org>
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@ -362,7 +362,8 @@ DragonFly)
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FreeBSD)
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;;
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GNU)
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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# define NO_PATH_MAX to use Hurd-only functions
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -DNO_PATH_MAX"
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;;
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GNU/kFreeBSD)
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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4
check.t
4
check.t
@ -1,4 +1,4 @@
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# $MirOS: src/bin/mksh/check.t,v 1.334 2009/10/18 12:30:04 tg Exp $
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# $MirOS: src/bin/mksh/check.t,v 1.335 2009/10/27 17:00:00 tg Exp $
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# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
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# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
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@ -25,7 +25,7 @@
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# http://www.research.att.com/~gsf/public/ifs.sh
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expected-stdout:
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@(#)MIRBSD KSH R39 2009/10/18
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@(#)MIRBSD KSH R39 2009/10/27
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description:
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Check version of shell.
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stdin:
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24
funcs.c
24
funcs.c
@ -25,7 +25,7 @@
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#include "sh.h"
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__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.140 2009/10/15 16:36:26 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.141 2009/10/27 17:00:01 tg Exp $");
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#if HAVE_KILLPG
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/*
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@ -267,12 +267,29 @@ do_realpath(const char *upath)
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}
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/* get symlink(7) target */
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#ifdef NO_PATH_MAX
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if (ldest) {
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afree(ldest, ATEMP);
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ldest = NULL;
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}
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{
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struct stat hurd_sb;
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if (lstat(Xstring(xs, xp), &hurd_sb))
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goto notfound;
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ldest = alloc(hurd_sb.st_size + 1, ATEMP);
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if ((llen = readlink(Xstring(xs, xp), ldest,
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hurd_sb.st_size)) < 0)
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goto notfound;
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}
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#else
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if (!ldest)
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ldest = alloc(PATH_MAX + 1, ATEMP);
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if ((llen = readlink(Xstring(xs, xp), ldest,
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PATH_MAX)) < 0)
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/* oops... */
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goto notfound;
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#endif
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ldest[llen] = '\0';
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/*
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@ -398,7 +415,12 @@ c_cd(const char **wp)
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return (1);
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}
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#ifdef NO_PATH_MAX
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/* only a first guess; make_path will enlarge xs if necessary */
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XinitN(xs, 1024, ATEMP);
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#else
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XinitN(xs, PATH_MAX, ATEMP);
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#endif
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cdpath = str_val(global("CDPATH"));
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do {
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11
misc.c
11
misc.c
@ -29,7 +29,7 @@
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#include <grp.h>
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#endif
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__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.125 2009/10/02 18:08:35 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.126 2009/10/27 17:00:02 tg Exp $");
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#undef USE_CHVT
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/* XXX conditions correct? */
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@ -1038,10 +1038,19 @@ ksh_get_wd(size_t *dlen)
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char *ret, *b;
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size_t len = 1;
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#ifdef NO_PATH_MAX
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if ((b = get_current_dir_name())) {
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len = strlen(b) + 1;
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strndupx(ret, b, len - 1, ATEMP);
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free(b);
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} else
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ret = NULL;
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#else
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if ((ret = getcwd((b = alloc(PATH_MAX + 1, ATEMP)), PATH_MAX)))
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ret = aresize(b, len = (strlen(b) + 1), ATEMP);
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else
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afree(b, ATEMP);
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#endif
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if (dlen)
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*dlen = len;
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11
sh.h
11
sh.h
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#endif
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#ifdef EXTERN
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.357 2009/10/18 12:30:05 tg Exp $");
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__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.358 2009/10/27 17:00:02 tg Exp $");
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#endif
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#define MKSH_VERSION "R39 2009/10/18"
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#define MKSH_VERSION "R39 2009/10/27"
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#ifndef MKSH_INCLUDES_ONLY
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@ -211,9 +211,13 @@ typedef int bool;
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#define ksh_isdash(s) (((s) != NULL) && ((s)[0] == '-') && ((s)[1] == '\0'))
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#define ksh_isspace(c) ((((c) >= 0x09) && ((c) <= 0x0D)) || ((c) == 0x20))
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#ifdef NO_PATH_MAX
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#undef PATH_MAX
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#else
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#ifndef PATH_MAX
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#define PATH_MAX 1024
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#endif
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#endif
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#ifndef SIZE_MAX
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#ifdef SIZE_T_MAX
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#define SIZE_MAX SIZE_T_MAX
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@ -344,9 +348,6 @@ typedef uint32_t mksh_uari_t;
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#define NOT '!' /* might use ^ (ie, [!...] vs [^..]) */
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#define LINE 4096 /* input line size */
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#ifndef PATH_MAX
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#define PATH_MAX 1024 /* pathname size */
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#endif
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EXTERN struct {
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const char *kshname_; /* $0 */
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