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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" | |
20e6290e JB |
24 | #include "genio.h" |
25 | #include "smob.h" | |
26 | ||
0f2d19dd | 27 | #include "mallocs.h" |
20e6290e | 28 | |
0f2d19dd | 29 | #ifdef HAVE_MALLOC_H |
95b88819 | 30 | #include <malloc.h> |
0f2d19dd JB |
31 | #endif |
32 | #ifdef HAVE_UNISTD_H | |
95b88819 | 33 | #include <unistd.h> |
0f2d19dd JB |
34 | #endif |
35 | ||
36 | ||
37 | \f | |
38 | ||
39 | ||
40 | #ifdef __STDC__ | |
41 | static scm_sizet | |
42 | fmalloc(SCM ptr) | |
43 | #else | |
44 | static scm_sizet | |
45 | fmalloc(ptr) | |
46 | SCM ptr; | |
47 | #endif | |
48 | { | |
49 | if (SCM_MALLOCDATA (ptr)) | |
50 | free (SCM_MALLOCDATA (ptr)); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | #ifdef __STDC__ | |
55 | static int | |
9882ea19 | 56 | prinmalloc (SCM exp, SCM port, scm_print_state *pstate) |
0f2d19dd JB |
57 | #else |
58 | static int | |
9882ea19 | 59 | prinmalloc (exp, port, pstate) |
0f2d19dd JB |
60 | SCM exp; |
61 | SCM port; | |
9882ea19 | 62 | scm_print_state *pstate; |
0f2d19dd JB |
63 | #endif |
64 | { | |
65 | scm_gen_puts(scm_regular_string, "#<malloc ", port); | |
66 | scm_intprint(SCM_CDR(exp), 16, port); | |
67 | scm_gen_putc('>', port); | |
68 | return 1; | |
69 | } | |
70 | ||
71 | \f | |
72 | int scm_tc16_malloc; | |
73 | static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0}; | |
74 | ||
75 | \f | |
76 | ||
77 | #ifdef __STDC__ | |
78 | SCM | |
79 | scm_malloc_obj (scm_sizet n) | |
80 | #else | |
81 | SCM | |
82 | scm_malloc_obj (n) | |
83 | scm_sizet n; | |
84 | #endif | |
85 | { | |
86 | SCM answer; | |
87 | SCM mem; | |
88 | ||
89 | SCM_NEWCELL (answer); | |
90 | SCM_DEFER_INTS; | |
91 | mem = (n | |
92 | ? (SCM)malloc (n) | |
93 | : 0); | |
94 | if (n && !mem) | |
95 | { | |
96 | SCM_ALLOW_INTS; | |
97 | return SCM_BOOL_F; | |
98 | } | |
99 | SCM_CDR (answer) = mem; | |
100 | SCM_CAR (answer) = scm_tc16_malloc; | |
101 | SCM_ALLOW_INTS; | |
102 | return answer; | |
103 | } | |
104 | ||
105 | ||
106 | \f | |
107 | #ifdef __STDC__ | |
108 | void | |
109 | scm_init_mallocs (void) | |
110 | #else | |
111 | void | |
112 | scm_init_mallocs () | |
113 | #endif | |
114 | { | |
115 | scm_tc16_malloc = scm_newsmob (&mallocsmob); | |
116 | } | |
117 |