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/* Copyright (C) 1995,1996 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, 675 Mass Ave, Cambridge, MA 02139, 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.
*/
#include <stdio.h>
#include "_scm.h"
#ifdef __STDC__
int
scm_obj_length (SCM obj)
#else
int
scm_obj_length (obj)
SCM obj;
#endif
{
int i;
i = scm_ilength(obj);
if (i >= 0)
return i;
else if (SCM_NIMP (obj))
{
if (SCM_ROSTRINGP (obj))
return SCM_ROLENGTH (obj);
else if (SCM_VECTORP (obj))
return SCM_LENGTH (obj);
else
return -1;
}
else
return -1;
}
SCM_PROC(s_length, "length", 1, 0, 0, scm_length);
#ifdef __STDC__
SCM
scm_length(SCM x)
#else
SCM
scm_length(x)
SCM x;
#endif
{
int i;
i = scm_obj_length(x);
if (i >= 0)
return SCM_MAKINUM (i);
else
{
SCM_ASSERT(0, x, SCM_ARG1, s_length);
return SCM_BOOL_F;
}
}
SCM_PROC (s_reverse, "reverse", 1, 0, 0, scm_reverse);
#ifdef __STDC__
SCM
scm_reverse (SCM objs)
#else
SCM
scm_reverse (objs)
SCM objs;
#endif
{
return scm_list_reverse (objs);
}
#ifdef __STDC__
void
scm_init_sequences (void)
#else
void
scm_init_sequences ()
#endif
{
#include "sequences.x"
}
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