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5995c6d8 | 1 | /* Copyright (C) 1999,2000,2001,2003, 2006, 2008 Free Software Foundation, Inc. |
51a186f7 RB |
2 | * |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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16 | */ |
17 | ||
18 | /* some bits originally by Jim Blandy <jimb@red-bean.com> */ | |
19 | ||
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20 | #ifndef HAVE_CONFIG_H |
21 | # include <config.h> | |
22 | #endif | |
23 | ||
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24 | #include <libguile.h> |
25 | #include <libguile/gh.h> | |
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26 | |
27 | #include <assert.h> | |
28 | #include <string.h> | |
29 | ||
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30 | #if SCM_ENABLE_DEPRECATED |
31 | ||
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32 | static int |
33 | string_equal (SCM str, char *lit) | |
34 | { | |
35 | int len = strlen (lit); | |
36 | int result; | |
37 | ||
102dbb6f | 38 | result = ((scm_c_string_length (str) == len) |
ad6dec05 | 39 | && (!memcmp (scm_i_string_chars (str), lit, len))); |
51a186f7 RB |
40 | scm_remember_upto_here_1 (str); |
41 | return result; | |
42 | } | |
43 | ||
44 | static void | |
45 | test_gh_set_substr () | |
46 | { | |
47 | SCM string; | |
48 | ||
49 | string = gh_str02scm ("Free, darnit!"); | |
50 | assert (gh_string_p (string)); | |
51 | ||
52 | gh_set_substr ("dammit", string, 6, 6); | |
53 | assert (string_equal (string, "Free, dammit!")); | |
54 | ||
55 | /* Make sure that we can use the string itself as a source. | |
56 | ||
57 | I guess this behavior isn't really visible, since the GH API | |
58 | doesn't provide any direct access to the string contents. But I | |
59 | think it should, eventually. You can't write efficient string | |
60 | code if you have to copy the string just to look at it. */ | |
61 | ||
62 | /* Copy a substring to an overlapping region to its right. */ | |
ad6dec05 | 63 | gh_set_substr (scm_i_string_chars (string), string, 4, 6); |
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64 | assert (string_equal (string, "FreeFree, it!")); |
65 | ||
66 | string = gh_str02scm ("Free, darnit!"); | |
67 | assert (gh_string_p (string)); | |
68 | ||
69 | /* Copy a substring to an overlapping region to its left. */ | |
ad6dec05 | 70 | gh_set_substr (scm_i_string_chars (string) + 6, string, 2, 6); |
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71 | assert (string_equal (string, "Frdarnitrnit!")); |
72 | } | |
73 | ||
8ab3d8a0 KR |
74 | static void |
75 | tests (void *data, int argc, char **argv) | |
51a186f7 | 76 | { |
51a186f7 | 77 | test_gh_set_substr (); |
8ab3d8a0 KR |
78 | } |
79 | ||
80 | int | |
81 | main (int argc, char *argv[]) | |
82 | { | |
83 | scm_boot_guile (argc, argv, tests, NULL); | |
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84 | return 0; |
85 | } | |
c70c62a6 MV |
86 | |
87 | #else | |
88 | ||
89 | int | |
90 | main (int argc, char *argv[]) | |
91 | { | |
92 | return 0; | |
93 | } | |
94 | ||
95 | #endif /* !SCM_ENABLE_DEPRECATED */ |