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/* Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <bits/posix1_lim.h>
int
main()
{
/* Print copyright message. */
printf ("\
/* Stdio limits for POSIX systems.\n\
Copyright (C) 1994, 1997 Free Software Foundation, Inc.\n\
This file is part of the GNU C Library.\n\
\n\
The GNU C Library is free software; you can redistribute it and/or\n\
modify it under the terms of the GNU Library General Public License as\n\
published by the Free Software Foundation; either version 2 of the\n\
License, or (at your option) any later version.\n\
\n\
The GNU C Library is distributed in the hope that it will be useful,\n\
but WITHOUT ANY WARRANTY; without even the implied warranty of\n\
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n\
Library General Public License for more details.\n\
\n\
You should have received a copy of the GNU Library General Publicn\n\
License along with the GNU C Library; see the file COPYING.LIB. If not,\n\
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n\
Boston, MA 02111-1307, USA. */\n\
\n\
#if !defined _STDIO_H && !defined __need_FOPEN_MAX\n\
# error \"Never include <bits/stdio_lim.h> directly; use <stdio.h> instead.\"\n\
#endif\n\
\n");
/* These values correspond to the code in sysdeps/posix/tempname.c.
Change the values here if you change that code. */
puts ("#ifndef __need_FOPEN_MAX");
printf ("# define L_tmpnam %u\n", sizeof ("/usr/tmp/") + 9);
printf ("# define TMP_MAX %u\n", 62 * 62 * 62);
puts ("# ifdef __USE_POSIX");
printf ("# define L_ctermid %u\n", sizeof ("/dev/tty"));
printf ("# define L_cuserid 9\n");
puts ("# endif");
printf (" #define FILENAME_MAX %u\n",
#ifdef PATH_MAX
PATH_MAX
#else
/* This is supposed to be the size needed to hold the longest file
name string the implementation guarantees can be opened.
PATH_MAX not being defined means the actual limit on the length
of a file name is runtime-variant (or it is unlimited). ISO
says in such a case FILENAME_MAX should be a good size to
allocate for a file name string. POSIX.1 guarantees that a
file name up to _POSIX_PATH_MAX chars long can be opened, so
this value must be at least that. */
1024 /* _POSIX_PATH_MAX is 255. */
#endif
);
puts ("#endif\n");
/* POSIX does not require that OPEN_MAX and PATH_MAX be defined, so
<bits/local_lim.h> will not define them if they are run-time
variant (which is the case in the Hurd). ISO still requires
that FOPEN_MAX and FILENAME_MAX be defined, however. */
puts ("#if defined __need_FOPEN_MAX && !defined __defined_FOPEN_MAX");
puts ("# define __defined_FOPEN_MAX");
printf ("# define FOPEN_MAX %u\n",
#ifdef OPEN_MAX
OPEN_MAX
#else
/* This is the minimum number of files that the implementation
guarantees can be open simultaneously. OPEN_MAX not being
defined means the maximum is run-time variant; but POSIX.1
requires that it never be less than _POSIX_OPEN_MAX, so that is
a good minimum to use. */
_POSIX_OPEN_MAX
#endif
);
puts ("#endif");
puts ("#undef __need_FOPEN_MAX");
exit (0);
}
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