xref: /dragonfly/usr.bin/localedef/time.c (revision d50f9ae3448247db98eb135b85b2a32e6e4187f4)
1 /*
2  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
3  * Copyright 2015 John Marino <draco@marino.st>
4  *
5  * This source code is derived from the illumos localedef command, and
6  * provided under BSD-style license terms by Nexenta Systems, Inc.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 /*
32  * LC_TIME database generation routines for localedef.
33  */
34 
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <errno.h>
38 #include <sys/types.h>
39 #include <string.h>
40 #include <unistd.h>
41 #include "localedef.h"
42 #include "parser.h"
43 #include "timelocal.h"
44 
45 static struct lc_time_T tm;
46 
47 void
init_time(void)48 init_time(void)
49 {
50           (void) memset(&tm, 0, sizeof (tm));
51 }
52 
53 void
add_time_str(wchar_t * wcs)54 add_time_str(wchar_t *wcs)
55 {
56           char      *str;
57 
58           if ((str = to_mb_string(wcs)) == NULL) {
59                     INTERR;
60                     return;
61           }
62           free(wcs);
63 
64           switch (last_kw) {
65           case T_D_T_FMT:
66                     tm.c_fmt = str;
67                     break;
68           case T_D_FMT:
69                     tm.x_fmt = str;
70                     break;
71           case T_T_FMT:
72                     tm.X_fmt = str;
73                     break;
74           case T_T_FMT_AMPM:
75                     tm.ampm_fmt = str;
76                     break;
77           case T_DATE_FMT:
78                     /*
79                      * This one is a Solaris extension, Too bad date just
80                      * doesn't use %c, which would be simpler.
81                      */
82                     tm.date_fmt = str;
83                     break;
84           case T_ERA_D_FMT:
85           case T_ERA_T_FMT:
86           case T_ERA_D_T_FMT:
87                     /* Silently ignore it. */
88                     break;
89           default:
90                     free(str);
91                     INTERR;
92                     break;
93           }
94 }
95 
96 static void
add_list(const char * ptr[],char * str,int limit)97 add_list(const char *ptr[], char *str, int limit)
98 {
99           int       i;
100           for (i = 0; i < limit; i++) {
101                     if (ptr[i] == NULL) {
102                               ptr[i] = str;
103                               return;
104                     }
105           }
106           fprintf(stderr,"too many list elements");
107 }
108 
109 void
add_time_list(wchar_t * wcs)110 add_time_list(wchar_t *wcs)
111 {
112           char *str;
113 
114           if ((str = to_mb_string(wcs)) == NULL) {
115                     INTERR;
116                     return;
117           }
118           free(wcs);
119 
120           switch (last_kw) {
121           case T_ABMON:
122                     add_list(tm.mon, str, 12);
123                     break;
124           case T_MON:
125                     add_list(tm.month, str, 12);
126                     break;
127           case T_ABDAY:
128                     add_list(tm.wday, str, 7);
129                     break;
130           case T_DAY:
131                     add_list(tm.weekday, str, 7);
132                     break;
133           case T_AM_PM:
134                     if (tm.am == NULL) {
135                               tm.am = str;
136                     } else if (tm.pm == NULL) {
137                               tm.pm = str;
138                     } else {
139                               fprintf(stderr,"too many list elements");
140                     }
141                     break;
142           case T_ALT_DIGITS:
143           case T_ERA:
144                     free(str);
145                     break;
146           default:
147                     free(str);
148                     INTERR;
149                     break;
150           }
151 }
152 
153 void
check_time_list(void)154 check_time_list(void)
155 {
156           switch (last_kw) {
157           case T_ABMON:
158                     if (tm.mon[11] != NULL)
159                               return;
160                     break;
161           case T_MON:
162                     if (tm.month[11] != NULL)
163                               return;
164                     break;
165           case T_ABDAY:
166                     if (tm.wday[6] != NULL)
167                               return;
168                     break;
169           case T_DAY:
170                     if (tm.weekday[6] != NULL)
171                               return;
172                     break;
173           case T_AM_PM:
174                     if (tm.pm != NULL)
175                               return;
176                     break;
177           case T_ERA:
178           case T_ALT_DIGITS:
179                     return;
180           default:
181                     fprintf(stderr,"unknown list");
182                     break;
183           }
184 
185           fprintf(stderr,"too few items in list (%d)", last_kw);
186 }
187 
188 #pragma GCC diagnostic push
189 #pragma GCC diagnostic ignored "-Wcast-qual"
190 
191 void
reset_time_list(void)192 reset_time_list(void)
193 {
194           int i;
195           switch (last_kw) {
196           case T_ABMON:
197                     for (i = 0; i < 12; i++) {
198                               free((char *)tm.mon[i]);
199                               tm.mon[i] = NULL;
200                     }
201                     break;
202           case T_MON:
203                     for (i = 0; i < 12; i++) {
204                               free((char *)tm.month[i]);
205                               tm.month[i] = NULL;
206                     }
207                     break;
208           case T_ABDAY:
209                     for (i = 0; i < 7; i++) {
210                               free((char *)tm.wday[i]);
211                               tm.wday[i] = NULL;
212                     }
213                     break;
214           case T_DAY:
215                     for (i = 0; i < 7; i++) {
216                               free((char *)tm.weekday[i]);
217                               tm.weekday[i] = NULL;
218                     }
219                     break;
220           case T_AM_PM:
221                     free((char *)tm.am);
222                     tm.am = NULL;
223                     free((char *)tm.pm);
224                     tm.pm = NULL;
225                     break;
226           }
227 }
228 
229 #pragma GCC diagnostic pop
230 
231 void
dump_time(void)232 dump_time(void)
233 {
234           FILE *f;
235           int i;
236 
237           if ((f = open_category()) == NULL) {
238                     return;
239           }
240 
241           for (i = 0; i < 12; i++) {
242                     if (putl_category(tm.mon[i], f) == EOF) {
243                               return;
244                     }
245           }
246           for (i = 0; i < 12; i++) {
247                     if (putl_category(tm.month[i], f) == EOF) {
248                               return;
249                     }
250           }
251           for (i = 0; i < 7; i++) {
252                     if (putl_category(tm.wday[i], f) == EOF) {
253                               return;
254                     }
255           }
256           for (i = 0; i < 7; i++) {
257                     if (putl_category(tm.weekday[i], f) == EOF) {
258                               return;
259                     }
260           }
261 
262           /*
263            * NOTE: If date_fmt is not specified, then we'll default to
264            * using the %c for date.  This is reasonable for most
265            * locales, although for reasons that I don't understand
266            * Solaris historically has had a seperate format for date.
267            */
268           if ((putl_category(tm.X_fmt, f) == EOF) ||
269               (putl_category(tm.x_fmt, f) == EOF) ||
270               (putl_category(tm.c_fmt, f) == EOF) ||
271               (putl_category(tm.am, f) == EOF) ||
272               (putl_category(tm.pm, f) == EOF) ||
273               (putl_category(tm.date_fmt ? tm.date_fmt : tm.c_fmt, f) == EOF) ||
274               (putl_category(tm.ampm_fmt, f) == EOF)) {
275                     return;
276           }
277           close_category(f);
278 }
279