1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright 2023 Yuri Pankov <yuripv@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/param.h>
29
30 #include <locale.h>
31
32 #include <atf-c.h>
33
34 struct {
35 int lpmask;
36 const char *lpname;
37 } lparts[] = {
38 { LC_COLLATE_MASK, "LC_COLLATE" },
39 { LC_CTYPE_MASK, "LC_CTYPE" },
40 { LC_MONETARY_MASK, "LC_MONETARY" },
41 { LC_NUMERIC_MASK, "LC_NUMERIC" },
42 { LC_TIME_MASK, "LC_TIME" },
43 { LC_MESSAGES_MASK, "LC_MESSAGES" },
44 };
45
46 static void
check_lparts(const char * expected)47 check_lparts(const char *expected)
48 {
49 int i;
50
51 for (i = 0; i < nitems(lparts); i++) {
52 const char *actual;
53
54 actual = querylocale(lparts[i].lpmask, uselocale(NULL));
55 ATF_CHECK_STREQ_MSG(expected, actual, "wrong value for %s",
56 lparts[i].lpname);
57 }
58 }
59
60 static void
do_locale_switch(const char * loc1,const char * loc2)61 do_locale_switch(const char *loc1, const char *loc2)
62 {
63 locale_t l1, l2;
64
65 /* Create and use the first locale */
66 l1 = newlocale(LC_ALL_MASK, loc1, NULL);
67 ATF_REQUIRE(l1 != NULL);
68 ATF_REQUIRE(uselocale(l1) != NULL);
69 check_lparts(loc1);
70 /*
71 * Create and use second locale, creation deliberately done only after
72 * the first locale check as newlocale() call would previously clobber
73 * the first locale contents.
74 */
75 l2 = newlocale(LC_ALL_MASK, loc2, NULL);
76 ATF_REQUIRE(l2 != NULL);
77 ATF_REQUIRE(uselocale(l2) != NULL);
78 check_lparts(loc2);
79 /* Switch back to first locale */
80 ATF_REQUIRE(uselocale(l1) != NULL);
81 check_lparts(loc1);
82
83 freelocale(l1);
84 freelocale(l2);
85 }
86
87 /*
88 * PR 255646, 269375: Check that newlocale()/uselocale() used to switch between
89 * C, POSIX, and C.UTF-8 locales (and only these) do not stomp on other locale
90 * contents (collate part specifically).
91 * The issue is cosmetic only as all three have empty collate parts, but we need
92 * to correctly report the one in use in any case.
93 */
94
95 ATF_TC_WITHOUT_HEAD(newlocale_c_posix_cu8_test);
ATF_TC_BODY(newlocale_c_posix_cu8_test,tc)96 ATF_TC_BODY(newlocale_c_posix_cu8_test, tc)
97 {
98 do_locale_switch("C", "POSIX");
99 do_locale_switch("C", "C.UTF-8");
100 do_locale_switch("POSIX", "C");
101 do_locale_switch("POSIX", "C.UTF-8");
102 do_locale_switch("C.UTF-8", "C");
103 do_locale_switch("C.UTF-8", "POSIX");
104 }
105
ATF_TP_ADD_TCS(tp)106 ATF_TP_ADD_TCS(tp)
107 {
108 ATF_TP_ADD_TC(tp, newlocale_c_posix_cu8_test);
109
110 return (atf_no_error());
111 }
112