98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/* Copyright (C) 1991, 1992, 1993, 1996, 1997 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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <bits/posix1_lim.h>
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int
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main()
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{
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/* Print copyright message. */
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printf ("\
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/* Stdio limits for POSIX systems.\n\
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Copyright (C) 1994, 1997 Free Software Foundation, Inc.\n\
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This file is part of the GNU C Library.\n\
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\n\
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The GNU C Library is free software; you can redistribute it and/or\n\
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modify it under the terms of the GNU Library General Public License as\n\
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published by the Free Software Foundation; either version 2 of the\n\
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License, or (at your option) any later version.\n\
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\n\
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The GNU C Library is distributed in the hope that it will be useful,\n\
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but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n\
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Library General Public License for more details.\n\
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\n\
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You should have received a copy of the GNU Library General Publicn\n\
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License along with the GNU C Library; see the file COPYING.LIB. If not,\n\
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n\
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Boston, MA 02111-1307, USA. */\n\
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\n\
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#ifndef _STDIO_H\n\
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# error \"Never include <bits/stdio_lim.h> directly; use <stdio.h> instead.\"\n\
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#endif\n\
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\n");
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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/") + 9);
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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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<bits/local_lim.h> will not define them if they are run-time
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variant (which is the case in the Hurd). ISO still requires
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that FOPEN_MAX and 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). ISO
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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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