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Diffstat (limited to 'sysdeps/unix/mk-local_lim.c')
-rw-r--r-- | sysdeps/unix/mk-local_lim.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sysdeps/unix/mk-local_lim.c b/sysdeps/unix/mk-local_lim.c new file mode 100644 index 0000000000..c9a1d3dfb8 --- /dev/null +++ b/sysdeps/unix/mk-local_lim.c @@ -0,0 +1,118 @@ +/* Copyright (C) 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <stdio.h> +#include <sys/types.h> + +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif + +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif + +#ifdef HAVE_SYS_LIMITS_H +#include <sys/limits.h> +#endif + +/* Generate local_lim.h from the values defined in the system's headers. */ + +struct param + { + char *name; + int value; + }; + +static struct param params[] = + { + +#if !defined (ARG_MAX) && defined (NCARGS) +#define ARG_MAX NCARGS +#endif +#ifdef ARG_MAX + { "ARG_MAX", ARG_MAX }, +#endif + +#if !defined (CHILD_MAX) && defined (MAXUPRC) +#define CHILD_MAX MAXUPRC +#endif +#ifdef CHILD_MAX + { "CHILD_MAX", CHILD_MAX }, +#endif + +#if !defined (LINK_MAX) && defined (MAXLINK) +#define LINK_MAX MAXLINK +#endif +#ifdef LINK_MAX + { "LINK_MAX", LINK_MAX }, +#endif + +#if !defined (OPEN_MAX) && defined (NOFILE) +#define OPEN_MAX NOFILE +#endif +#ifdef OPEN_MAX + { "OPEN_MAX", OPEN_MAX }, +#endif + +#if !defined (MAX_CANON) && defined (CANBSIZ) +#define MAX_CANON CANBSIZ +#endif +#ifdef MAX_CANON + { "MAX_CANON", MAX_CANON }, +#endif + +#if !defined (NAME_MAX) && defined (MAXNAMLEN) +#define NAME_MAX MAXNAMLEN +#endif +#ifndef NAME_MAX +#define NAME_MAX 255 /* XXX ? */ +#endif + { "NAME_MAX", NAME_MAX }, + +#if !defined (PATH_MAX) && defined (MAXPATHLEN) +#define PATH_MAX MAXPATHLEN +#endif +#ifdef PATH_MAX + { "PATH_MAX", PATH_MAX }, +#endif + + { NULL, 0 } + }; + +int +main() +{ + extern char *ctime (); + extern time_t time (); + time_t now = time ((time_t *) NULL); + register struct param *p; + + if (! params[0].name) + /* We have no information to give, so let the caller know. */ + exit (1); + + printf ("\ +/* Implementation-specific limits.\n\ + Generated at %.24s. */\n\n", ctime (&now)); + + for (p = params; p->name != NULL; ++p) + printf ("#define %s %d\n", p->name, p->value); + + exit (0); +} |