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72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/* Copyright (C) 1991, 1992, 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 <posix1_lim.h>
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int
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main()
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{
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/* These values correspond to the code in sysdeps/posix/tempname.c.
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Change the values here if you change that code. */
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printf("#define L_tmpnam %u\n", sizeof("/usr/tmp/") + 8);
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printf("#define TMP_MAX %u\n", 62 * 62 * 62);
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puts ("#ifdef __USE_POSIX");
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printf("#define L_ctermid %u\n", sizeof("/dev/tty"));
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printf("#define L_cuserid 9\n");
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puts ("#endif");
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/* POSIX does not require that OPEN_MAX and PATH_MAX be defined, so
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<local_lim.h> will not define them if they are run-time variant (which
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is the case in the Hurd). ANSI still requires that FOPEN_MAX and
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FILENAME_MAX be defined, however. */
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printf("#define FOPEN_MAX %u\n",
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#ifdef OPEN_MAX
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OPEN_MAX
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#else
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/* This is the minimum number of files that the implementation
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guarantees can be open simultaneously. OPEN_MAX not being
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defined means the maximum is run-time variant; but POSIX.1
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requires that it never be less than _POSIX_OPEN_MAX, so that is
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a good minimum to use. */
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_POSIX_OPEN_MAX
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#endif
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);
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printf("#define FILENAME_MAX %u\n",
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#ifdef PATH_MAX
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PATH_MAX
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#else
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/* This is supposed to be the size needed to hold the longest file
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name string the implementation guarantees can be opened.
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PATH_MAX not being defined means the actual limit on the length
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of a file name is runtime-variant (or it is unlimited). ANSI
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says in such a case FILENAME_MAX should be a good size to
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allocate for a file name string. POSIX.1 guarantees that a
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file name up to _POSIX_PATH_MAX chars long can be opened, so
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this value must be at least that. */
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1024 /* _POSIX_PATH_MAX is 255. */
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#endif
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);
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exit(0);
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}
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