maintainer changed: was lord, now jimb; first import
[bpt/guile.git] / libguile / mallocs.c
CommitLineData
0f2d19dd
JB
1/* classes: src_files */
2
3/* Copyright (C) 1995 Free Software Foundation, Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this software; see the file COPYING. If not, write to
17 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20\f
21
22#include <stdio.h>
23#include "_scm.h"
24#include "mallocs.h"
25#ifdef HAVE_MALLOC_H
26#include "malloc.h"
27#endif
28#ifdef HAVE_UNISTD_H
29#include "unistd.h"
30#endif
31
32
33\f
34
35
36#ifdef __STDC__
37static scm_sizet
38fmalloc(SCM ptr)
39#else
40static scm_sizet
41fmalloc(ptr)
42 SCM ptr;
43#endif
44{
45 if (SCM_MALLOCDATA (ptr))
46 free (SCM_MALLOCDATA (ptr));
47 return 0;
48}
49
50#ifdef __STDC__
51static int
52prinmalloc (SCM exp, SCM port, int writing)
53#else
54static int
55prinmalloc (exp, port, writing)
56 SCM exp;
57 SCM port;
58 int writing;
59#endif
60{
61 scm_gen_puts(scm_regular_string, "#<malloc ", port);
62 scm_intprint(SCM_CDR(exp), 16, port);
63 scm_gen_putc('>', port);
64 return 1;
65}
66
67\f
68int scm_tc16_malloc;
69static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0};
70
71\f
72
73#ifdef __STDC__
74SCM
75scm_malloc_obj (scm_sizet n)
76#else
77SCM
78scm_malloc_obj (n)
79 scm_sizet n;
80#endif
81{
82 SCM answer;
83 SCM mem;
84
85 SCM_NEWCELL (answer);
86 SCM_DEFER_INTS;
87 mem = (n
88 ? (SCM)malloc (n)
89 : 0);
90 if (n && !mem)
91 {
92 SCM_ALLOW_INTS;
93 return SCM_BOOL_F;
94 }
95 SCM_CDR (answer) = mem;
96 SCM_CAR (answer) = scm_tc16_malloc;
97 SCM_ALLOW_INTS;
98 return answer;
99}
100
101
102\f
103#ifdef __STDC__
104void
105scm_init_mallocs (void)
106#else
107void
108scm_init_mallocs ()
109#endif
110{
111 scm_tc16_malloc = scm_newsmob (&mallocsmob);
112}
113