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119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
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/* Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifdef HAVE_SYS_LIMITS_H
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#include <sys/limits.h>
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#endif
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/* Generate local_lim.h from the values defined in the system's headers. */
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struct param
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{
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char *name;
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int value;
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};
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static struct param params[] =
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{
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#if !defined (ARG_MAX) && defined (NCARGS)
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#define ARG_MAX NCARGS
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#endif
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#ifdef ARG_MAX
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{ "ARG_MAX", ARG_MAX },
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#endif
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#if !defined (CHILD_MAX) && defined (MAXUPRC)
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#define CHILD_MAX MAXUPRC
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#endif
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#ifdef CHILD_MAX
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{ "CHILD_MAX", CHILD_MAX },
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#endif
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#if !defined (LINK_MAX) && defined (MAXLINK)
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#define LINK_MAX MAXLINK
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#endif
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#ifdef LINK_MAX
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{ "LINK_MAX", LINK_MAX },
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#endif
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#if !defined (OPEN_MAX) && defined (NOFILE)
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#define OPEN_MAX NOFILE
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#endif
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#ifdef OPEN_MAX
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{ "OPEN_MAX", OPEN_MAX },
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#endif
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#if !defined (MAX_CANON) && defined (CANBSIZ)
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#define MAX_CANON CANBSIZ
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#endif
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#ifdef MAX_CANON
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{ "MAX_CANON", MAX_CANON },
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#endif
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#if !defined (NAME_MAX) && defined (MAXNAMLEN)
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#define NAME_MAX MAXNAMLEN
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#endif
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#ifndef NAME_MAX
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#define NAME_MAX 255 /* XXX ? */
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#endif
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{ "NAME_MAX", NAME_MAX },
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#if !defined (PATH_MAX) && defined (MAXPATHLEN)
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#define PATH_MAX MAXPATHLEN
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#endif
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#ifdef PATH_MAX
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{ "PATH_MAX", PATH_MAX },
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#endif
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{ NULL, 0 }
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};
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int
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main()
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{
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extern char *ctime ();
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extern time_t time ();
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time_t now = time ((time_t *) NULL);
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register struct param *p;
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if (! params[0].name)
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/* We have no information to give, so let the caller know. */
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exit (1);
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printf ("\
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/* Implementation-specific limits.\n\
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Generated at %.24s. */\n\n", ctime (&now));
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for (p = params; p->name != NULL; ++p)
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printf ("#define %s %d\n", p->name, p->value);
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exit (0);
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}
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