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1 | /* Copyright (C) 1995,1996 Free Software Foundation, Inc. |
2 | * | |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
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15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
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17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
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45 | \f |
46 | ||
47 | #include <stdio.h> | |
48 | #include "_scm.h" | |
20e6290e | 49 | |
1bbd0b84 | 50 | #include "scm_validate.h" |
20e6290e | 51 | #include "boolean.h" |
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52 | \f |
53 | ||
54 | ||
a1ec6916 | 55 | SCM_DEFINE(scm_not, "not", 1, 0, 0, |
1bbd0b84 | 56 | (SCM x), |
717050c8 | 57 | "") |
1bbd0b84 | 58 | #define FUNC_NAME s_scm_not |
0f2d19dd | 59 | { |
156dcb09 | 60 | return SCM_BOOL(SCM_FALSEP(x)); |
0f2d19dd | 61 | } |
1bbd0b84 | 62 | #undef FUNC_NAME |
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63 | |
64 | ||
a1ec6916 | 65 | SCM_DEFINE(scm_boolean_p, "boolean?", 1, 0, 0, |
1bbd0b84 GB |
66 | (SCM obj), |
67 | "") | |
68 | #define FUNC_NAME s_scm_boolean_p | |
0f2d19dd | 69 | { |
1bbd0b84 | 70 | return SCM_BOOL(SCM_BOOL_F == obj || SCM_BOOL_T == obj); |
0f2d19dd | 71 | } |
1bbd0b84 | 72 | #undef FUNC_NAME |
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73 | |
74 | ||
1cc91f1b | 75 | |
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76 | void |
77 | scm_init_boolean () | |
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78 | { |
79 | #include "boolean.x" | |
80 | } | |
81 |