1 /* Copyright (C) 1999,2000,2001,2003, 2006, 2008 Free Software Foundation, Inc.
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.
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.
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
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 /* some bits originally by Jim Blandy <jimb@red-bean.com> */
25 #include <libguile/gh.h>
30 #if SCM_ENABLE_DEPRECATED
33 string_equal (SCM str, char *lit)
35 int len = strlen (lit);
38 result = ((scm_i_string_length (str) == len)
39 && (!memcmp (scm_i_string_chars (str), lit, len)));
40 scm_remember_upto_here_1 (str);
49 string = gh_str02scm ("Free, darnit!");
50 assert (gh_string_p (string));
52 gh_set_substr ("dammit", string, 6, 6);
53 assert (string_equal (string, "Free, dammit!"));
55 /* Make sure that we can use the string itself as a source.
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. */
62 /* Copy a substring to an overlapping region to its right. */
63 gh_set_substr (scm_i_string_chars (string), string, 4, 6);
64 assert (string_equal (string, "FreeFree, it!"));
66 string = gh_str02scm ("Free, darnit!");
67 assert (gh_string_p (string));
69 /* Copy a substring to an overlapping region to its left. */
70 gh_set_substr (scm_i_string_chars (string) + 6, string, 2, 6);
71 assert (string_equal (string, "Frdarnitrnit!"));
75 tests (void *data, int argc, char **argv)
77 test_gh_set_substr ();
81 main (int argc, char *argv[])
83 scm_boot_guile (argc, argv, tests, NULL);
90 main (int argc, char *argv[])
95 #endif /* !SCM_ENABLE_DEPRECATED */