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105 lines
2 KiB
C
105 lines
2 KiB
C
/* classes: src_files */
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA */
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#include <stdio.h>
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#include "_scm.h"
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#include "genio.h"
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#include "smob.h"
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#include "mallocs.h"
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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static scm_sizet fmalloc SCM_P ((SCM ptr));
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static scm_sizet
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fmalloc(ptr)
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SCM ptr;
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{
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if (SCM_MALLOCDATA (ptr))
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free (SCM_MALLOCDATA (ptr));
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return 0;
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}
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static int prinmalloc SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
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static int
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prinmalloc (exp, port, pstate)
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SCM exp;
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SCM port;
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scm_print_state *pstate;
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{
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scm_gen_puts(scm_regular_string, "#<malloc ", port);
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scm_intprint(SCM_CDR(exp), 16, port);
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scm_gen_putc('>', port);
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return 1;
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}
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int scm_tc16_malloc;
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static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0};
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SCM
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scm_malloc_obj (n)
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scm_sizet n;
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{
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SCM answer;
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SCM mem;
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SCM_NEWCELL (answer);
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SCM_DEFER_INTS;
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mem = (n
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? (SCM)malloc (n)
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: 0);
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if (n && !mem)
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{
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SCM_ALLOW_INTS;
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return SCM_BOOL_F;
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}
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SCM_SETCDR (answer, mem);
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SCM_SETCAR (answer, scm_tc16_malloc);
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SCM_ALLOW_INTS;
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return answer;
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}
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void
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scm_init_mallocs ()
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{
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scm_tc16_malloc = scm_newsmob (&mallocsmob);
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}
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