| | 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 "genio.h" |
| | 25 | #include "smob.h" |
| | 26 | |
| | 27 | #include "mallocs.h" |
| | 28 | |
| | 29 | #ifdef HAVE_MALLOC_H |
| | 30 | #include <malloc.h> |
| | 31 | #endif |
| | 32 | #ifdef HAVE_UNISTD_H |
| | 33 | #include <unistd.h> |
| | 34 | #endif |
| | 35 | |
| | 36 | |
| | 37 | \f |
| | 38 | |
| | 39 | |
| | 40 | |
| | 41 | static scm_sizet fmalloc SCM_P ((SCM ptr)); |
| | 42 | |
| | 43 | static scm_sizet |
| | 44 | fmalloc(ptr) |
| | 45 | SCM ptr; |
| | 46 | { |
| | 47 | if (SCM_MALLOCDATA (ptr)) |
| | 48 | free (SCM_MALLOCDATA (ptr)); |
| | 49 | return 0; |
| | 50 | } |
| | 51 | |
| | 52 | |
| | 53 | static int prinmalloc SCM_P ((SCM exp, SCM port, scm_print_state *pstate)); |
| | 54 | |
| | 55 | static int |
| | 56 | prinmalloc (exp, port, pstate) |
| | 57 | SCM exp; |
| | 58 | SCM port; |
| | 59 | scm_print_state *pstate; |
| | 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 |
| | 68 | int scm_tc16_malloc; |
| | 69 | static scm_smobfuns mallocsmob = {scm_mark0, fmalloc, prinmalloc, 0}; |
| | 70 | |
| | 71 | \f |
| | 72 | |
| | 73 | |
| | 74 | SCM |
| | 75 | scm_malloc_obj (n) |
| | 76 | scm_sizet n; |
| | 77 | { |
| | 78 | SCM answer; |
| | 79 | SCM mem; |
| | 80 | |
| | 81 | SCM_NEWCELL (answer); |
| | 82 | SCM_DEFER_INTS; |
| | 83 | mem = (n |
| | 84 | ? (SCM)malloc (n) |
| | 85 | : 0); |
| | 86 | if (n && !mem) |
| | 87 | { |
| | 88 | SCM_ALLOW_INTS; |
| | 89 | return SCM_BOOL_F; |
| | 90 | } |
| | 91 | SCM_SETCDR (answer, mem); |
| | 92 | SCM_SETCAR (answer, scm_tc16_malloc); |
| | 93 | SCM_ALLOW_INTS; |
| | 94 | return answer; |
| | 95 | } |
| | 96 | |
| | 97 | |
| | 98 | \f |
| | 99 | |
| | 100 | void |
| | 101 | scm_init_mallocs () |
| | 102 | { |
| | 103 | scm_tc16_malloc = scm_newsmob (&mallocsmob); |
| | 104 | } |
| | 105 | |
HCoop / bpt / guile.git / blame_incremental