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87694b93 | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc. |
0f2d19dd 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 | |
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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> | |
1a450153 DH |
48 | #ifdef HAVE_STRING_H |
49 | #include <string.h> | |
50 | #endif | |
0f2d19dd | 51 | |
1a450153 | 52 | #include "libguile/_scm.h" |
a0599745 | 53 | #include "libguile/root.h" |
a0599745 | 54 | #include "libguile/strings.h" |
a0599745 | 55 | #include "libguile/validate.h" |
1a450153 | 56 | |
a0599745 | 57 | #include "libguile/feature.h" |
20e6290e | 58 | |
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59 | \f |
60 | ||
1a450153 DH |
61 | static SCM features; |
62 | ||
0f2d19dd | 63 | |
0f2d19dd | 64 | void |
6e8d25a6 | 65 | scm_add_feature (const char *str) |
0f2d19dd | 66 | { |
1a450153 DH |
67 | SCM old = SCM_CDR (features); |
68 | SCM new = scm_cons (SCM_CAR (scm_intern (str, strlen (str))), old); | |
69 | SCM_SETCDR (features, new); | |
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70 | } |
71 | ||
0f2d19dd | 72 | \f |
0b886892 | 73 | |
3b3b36dd | 74 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
1bbd0b84 GB |
75 | (), |
76 | "") | |
77 | #define FUNC_NAME s_scm_program_arguments | |
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78 | { |
79 | return scm_progargs; | |
80 | } | |
1bbd0b84 | 81 | #undef FUNC_NAME |
0f2d19dd | 82 | |
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83 | /* Set the value returned by program-arguments, given ARGC and ARGV. |
84 | ||
85 | If FIRST is non-zero, make it the first element; we do this in | |
86 | situations where other code (like getopt) has parsed out a few | |
87 | arguments, but we still want the script name to be the first | |
88 | element. */ | |
0b886892 | 89 | void |
1bbd0b84 | 90 | scm_set_program_arguments (int argc, char **argv, char *first) |
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91 | { |
92 | scm_progargs = scm_makfromstrs (argc, argv); | |
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93 | if (first) |
94 | scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs); | |
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95 | } |
96 | ||
0f2d19dd | 97 | |
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98 | \f |
99 | ||
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100 | void |
101 | scm_init_feature() | |
0f2d19dd | 102 | { |
1a450153 | 103 | features = scm_sysintern ("*features*", SCM_EOL); |
cf7c17e9 | 104 | #ifdef SCM_RECKLESS |
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105 | scm_add_feature("reckless"); |
106 | #endif | |
107 | #ifndef _Windows | |
108 | scm_add_feature("system"); | |
109 | #endif | |
110 | #ifdef vms | |
111 | scm_add_feature(s_ed); | |
112 | #endif | |
113 | #ifdef SICP | |
114 | scm_add_feature("sicp"); | |
115 | #endif | |
116 | #ifndef GO32 | |
117 | scm_add_feature("char-ready?"); | |
118 | #endif | |
119 | #ifndef CHEAP_CONTINUATIONS | |
120 | scm_add_feature ("full-continuation"); | |
121 | #endif | |
a6cba733 MD |
122 | #ifdef USE_THREADS |
123 | scm_add_feature ("threads"); | |
124 | #endif | |
125 | ||
e2806c10 | 126 | scm_sysintern ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT)); |
26425129 | 127 | |
a0599745 | 128 | #include "libguile/feature.x" |
0f2d19dd | 129 | } |
89e00824 ML |
130 | |
131 | /* | |
132 | Local Variables: | |
133 | c-file-style: "gnu" | |
134 | End: | |
135 | */ |