1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <locale.h>
17 #include <langinfo.h>
18 #include "locale_impl.h"
19
20 #define __INDEX_THREE__ 3
21
22 static const char c_time[] =
23 "Sun\0" "Mon\0" "Tue\0" "Wed\0" "Thu\0" "Fri\0" "Sat\0"
24 "Sunday\0" "Monday\0" "Tuesday\0" "Wednesday\0"
25 "Thursday\0" "Friday\0" "Saturday\0"
26 "Jan\0" "Feb\0" "Mar\0" "Apr\0" "May\0" "Jun\0"
27 "Jul\0" "Aug\0" "Sep\0" "Oct\0" "Nov\0" "Dec\0"
28 "January\0" "February\0" "March\0" "April\0"
29 "May\0" "June\0" "July\0" "August\0"
30 "September\0" "October\0" "November\0" "December\0"
31 "AM\0" "PM\0"
32 "%a %b %e %T %Y\0"
33 "%m/%d/%y\0"
34 "%H:%M:%S\0"
35 "%I:%M:%S %p\0"
36 "\0"
37 "\0"
38 "%m/%d/%y\0"
39 "0123456789\0"
40 "%a %b %e %T %Y\0"
41 "%H:%M:%S\0"
42 "am\0" "pm";
43
44 static const char c_messages[] = "^[yY]\0" "^[nN]\0" "yes\0" "no";
45 static const char c_numeric[] = ".\0" "";
46
__nl_langinfo_l(nl_item item,locale_t loc)47 char *__nl_langinfo_l(nl_item item, locale_t loc)
48 {
49 int cat = item >> 16;
50 int idx = item & 65535;
51 const char *str;
52
53 if (item == CODESET) return loc->cat[LC_CTYPE] ? "UTF-8" : "ASCII";
54
55 /* _NL_LOCALE_NAME extension */
56 if (idx == 65535 && cat < LC_ALL)
57 return loc->cat[cat] ? (char *)loc->cat[cat]->name : "C";
58
59 switch (cat) {
60 case LC_NUMERIC:
61 if (idx > 1) {
62 return "";
63 }
64 str = c_numeric;
65 break;
66 case LC_TIME:
67 if (idx > 0x33) {
68 return "";
69 }
70 str = c_time;
71 break;
72 case LC_MONETARY:
73 if (idx > 0) {
74 return "";
75 }
76 str = "";
77 break;
78 case LC_MESSAGES:
79 if (idx > __INDEX_THREE__) {
80 return "";
81 }
82 str = c_messages;
83 break;
84 default:
85 return "";
86 }
87
88 for (; idx; idx--, str++) {
89 for (; *str; str++);
90 }
91 if (cat != LC_NUMERIC && *str) {
92 str = LCTRANS(str, cat, loc);
93 }
94 return (char *)str;
95 }
96
__nl_langinfo(nl_item item)97 char *__nl_langinfo(nl_item item)
98 {
99 return __nl_langinfo_l(item, CURRENT_LOCALE);
100 }
101
102 weak_alias(__nl_langinfo, nl_langinfo);
103 weak_alias(__nl_langinfo_l, nl_langinfo_l);
104