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/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "libguile/_scm.h"
#include "libguile/root.h"
#include "libguile/strings.h"
#include "libguile/validate.h"
#include "libguile/feature.h"
static SCM features_var;
void
scm_add_feature (const char *str)
{
SCM old = SCM_VARIABLE_REF (features_var);
SCM new = scm_cons (scm_str2symbol (str), old);
SCM_VARIABLE_SET (features_var, new);
}
SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0,
(),
"@deffnx {Scheme Procedure} command-line\n"
"Return the list of command line arguments passed to Guile, as a list of\n"
"strings. The list includes the invoked program name, which is usually\n"
"@code{\"guile\"}, but excludes switches and parameters for command line\n"
"options like @code{-e} and @code{-l}.")
#define FUNC_NAME s_scm_program_arguments
{
return scm_progargs;
}
#undef FUNC_NAME
/* Set the value returned by program-arguments, given ARGC and ARGV.
If FIRST is non-zero, make it the first element; we do this in
situations where other code (like getopt) has parsed out a few
arguments, but we still want the script name to be the first
element. */
void
scm_set_program_arguments (int argc, char **argv, char *first)
{
scm_progargs = scm_makfromstrs (argc, argv);
if (first)
scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs);
}
void
scm_init_feature()
{
features_var = scm_c_define ("*features*", SCM_EOL);
#ifdef SCM_RECKLESS
scm_add_feature("reckless");
#endif
#ifndef _Windows
scm_add_feature("system");
#endif
#ifdef vms
scm_add_feature(s_ed);
#endif
#ifdef SICP
scm_add_feature("sicp");
#endif
#ifndef GO32
scm_add_feature("char-ready?");
#endif
#ifndef CHEAP_CONTINUATIONS
scm_add_feature ("full-continuation");
#endif
#ifdef USE_THREADS
scm_add_feature ("threads");
#endif
scm_c_define ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT));
#include "libguile/feature.x"
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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