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/* classes: src_files */
/* Copyright (C) 1995 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 */
#include <stdio.h>
#include "_scm.h"
#include "genio.h"
#include "smob.h"
#include "mallocs.h"
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
static scm_sizet fmalloc SCM_P ((SCM ptr));
static scm_sizet
fmalloc(ptr)
SCM ptr;
{
if (SCM_MALLOCDATA (ptr))
free (SCM_MALLOCDATA (ptr));
return 0;
}
static int prinmalloc SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
static int
prinmalloc (exp, port, pstate)
SCM exp;
SCM port;
scm_print_state *pstate;
{
scm_gen_puts(scm_regular_string, "#<malloc ", port);
scm_intprint(SCM_CDR(exp), 16, port);
scm_gen_putc('>', port);
return 1;
}
int scm_tc16_malloc;
static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0};
SCM
scm_malloc_obj (n)
scm_sizet n;
{
SCM answer;
SCM mem;
SCM_NEWCELL (answer);
SCM_DEFER_INTS;
mem = (n
? (SCM)malloc (n)
: 0);
if (n && !mem)
{
SCM_ALLOW_INTS;
return SCM_BOOL_F;
}
SCM_SETCDR (answer, mem);
SCM_SETCAR (answer, scm_tc16_malloc);
SCM_ALLOW_INTS;
return answer;
}
void
scm_init_mallocs ()
{
scm_tc16_malloc = scm_newsmob (&mallocsmob);
}
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