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1e598865 | 1 | /* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. |
ee2a8b9b JB |
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 | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
ee2a8b9b JB |
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. */ |
ee2a8b9b JB |
41 | \f |
42 | ||
43 | /* type predicates and equality predicates */ | |
44 | ||
45 | #include <stdio.h> | |
46 | ||
47 | #include <gh.h> | |
48 | ||
49 | /* type predicates: tell you if an SCM object has a given type */ | |
50 | int | |
51 | gh_boolean_p (SCM val) | |
52 | { | |
e69ebe6a | 53 | return (SCM_NFALSEP (scm_boolean_p (val))); |
ee2a8b9b JB |
54 | } |
55 | int | |
56 | gh_symbol_p (SCM val) | |
57 | { | |
e69ebe6a | 58 | return (SCM_NFALSEP (scm_symbol_p (val))); |
ee2a8b9b JB |
59 | } |
60 | int | |
61 | gh_char_p (SCM val) | |
62 | { | |
e69ebe6a | 63 | return (SCM_NFALSEP (scm_char_p (val))); |
ee2a8b9b JB |
64 | } |
65 | int | |
66 | gh_vector_p (SCM val) | |
67 | { | |
e69ebe6a | 68 | return (SCM_NFALSEP (scm_vector_p (val))); |
ee2a8b9b JB |
69 | } |
70 | int | |
71 | gh_pair_p (SCM val) | |
72 | { | |
e69ebe6a | 73 | return (SCM_NFALSEP (scm_pair_p (val))); |
ee2a8b9b JB |
74 | } |
75 | int | |
76 | gh_number_p (SCM val) | |
77 | { | |
e69ebe6a | 78 | return (SCM_NFALSEP (scm_number_p (val))); |
ee2a8b9b JB |
79 | } |
80 | int | |
81 | gh_string_p (SCM val) | |
82 | { | |
e69ebe6a | 83 | return (SCM_NFALSEP (scm_string_p (val))); |
ee2a8b9b JB |
84 | } |
85 | int | |
86 | gh_procedure_p (SCM val) | |
87 | { | |
e69ebe6a | 88 | return (SCM_NFALSEP (scm_procedure_p (val))); |
ee2a8b9b JB |
89 | } |
90 | int | |
91 | gh_list_p (SCM val) | |
92 | { | |
e69ebe6a | 93 | return (SCM_NFALSEP (scm_list_p (val))); |
ee2a8b9b JB |
94 | } |
95 | int | |
96 | gh_inexact_p (SCM val) | |
97 | { | |
e69ebe6a | 98 | return (SCM_NFALSEP (scm_inexact_p (val))); |
ee2a8b9b JB |
99 | } |
100 | int | |
101 | gh_exact_p (SCM val) | |
102 | { | |
e69ebe6a | 103 | return (SCM_NFALSEP (scm_exact_p (val))); |
ee2a8b9b JB |
104 | } |
105 | ||
106 | /* the three types of equality */ | |
107 | int | |
108 | gh_eq_p (SCM x, SCM y) | |
109 | { | |
e69ebe6a | 110 | return (SCM_NFALSEP (scm_eq_p (x, y))); |
ee2a8b9b JB |
111 | } |
112 | int | |
113 | gh_eqv_p (SCM x, SCM y) | |
114 | { | |
e69ebe6a | 115 | return (SCM_NFALSEP (scm_eqv_p (x, y))); |
ee2a8b9b JB |
116 | } |
117 | int | |
118 | gh_equal_p (SCM x, SCM y) | |
119 | { | |
e69ebe6a | 120 | return (SCM_NFALSEP (scm_equal_p (x, y))); |
ee2a8b9b | 121 | } |
7fee59bd MG |
122 | |
123 | /* equivalent to (string=? ...), but returns 0 or 1 rather than Scheme | |
124 | booleans */ | |
125 | int | |
126 | gh_string_equal_p(SCM s1, SCM s2) | |
127 | { | |
128 | return (SCM_NFALSEP (scm_string_equal_p(s1, s2))); | |
129 | } | |
130 | ||
131 | /* equivalent to (null? ...), but returns 0 or 1 rather than Scheme | |
132 | booleans */ | |
133 | int | |
134 | gh_null_p(SCM l) | |
135 | { | |
136 | return (SCM_NFALSEP(scm_null_p(l))); | |
137 | } |