about summary refs log tree commit diff
path: root/locale/programs/locfile.c
blob: 185ccbc77fb2559b033817f6973ddc375f84b625 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
/* Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/stat.h>

#include "localedef.h"
#include "locfile.h"

#include "locfile-kw.h"


int
locfile_read (struct localedef_t *result, struct charmap_t *charmap)
{
  const char *filename = result->name;
  const char *repertoire_name = result->repertoire_name;
  int locale_mask = result->needed ^ result->avail;
  struct linereader *ldfile;
  int not_here = ALL_LOCALES;

  /* If no repertoire name was specified use the global one.  */
  if (repertoire_name == NULL)
    repertoire_name = repertoire_global;

  /* Open the locale definition file.  */
  ldfile = lr_open (filename, locfile_hash);
  if (ldfile == NULL)
    {
      if (filename != NULL && filename[0] != '/')
	{
	  char *i18npath = getenv ("I18NPATH");
	  if (i18npath != NULL && *i18npath != '\0')
	    {
	      char path[strlen (filename) + 1 + strlen (i18npath)
		        + sizeof ("/locales/") - 1];
	      char *next;
	      i18npath = strdupa (i18npath);


	      while (ldfile == NULL
		     && (next = strsep (&i18npath, ":")) != NULL)
		{
		  stpcpy (stpcpy (stpcpy (path, next), "/locales/"), filename);

		  ldfile = lr_open (path, locfile_hash);

		  if (ldfile == NULL)
		    {
		      stpcpy (stpcpy (path, next), filename);

		      ldfile = lr_open (path, locfile_hash);
		    }
		}
	    }

	  /* Test in the default directory.  */
	  if (ldfile == NULL)
	    {
	      char path[strlen (filename) + 1 + sizeof (LOCSRCDIR)];

	      stpcpy (stpcpy (stpcpy (path, LOCSRCDIR), "/"), filename);
	      ldfile = lr_open (path, locfile_hash);
	    }
	}

      if (ldfile == NULL)
	return 1;
    }

    /* Parse locale definition file and store result in RESULT.  */
  while (1)
    {
      struct token *now = lr_token (ldfile, charmap, NULL, verbose);
      enum token_t nowtok = now->tok;
      struct token *arg;

      if (nowtok == tok_eof)
	break;

      if (nowtok == tok_eol)
	/* Ignore empty lines.  */
	continue;

      switch (nowtok)
	{
	case tok_escape_char:
	case tok_comment_char:
	  /* We need an argument.  */
	  arg = lr_token (ldfile, charmap, NULL, verbose);

	  if (arg->tok != tok_ident)
	    {
	      SYNTAX_ERROR (_("bad argument"));
	      continue;
	    }

	  if (arg->val.str.lenmb != 1)
	    {
	      lr_error (ldfile, _("\
argument to `%s' must be a single character"),
			nowtok == tok_escape_char
			? "escape_char" : "comment_char");

	      lr_ignore_rest (ldfile, 0);
	      continue;
	    }

	  if (nowtok == tok_escape_char)
	    ldfile->escape_char = *arg->val.str.startmb;
	  else
	    ldfile->comment_char = *arg->val.str.startmb;
	  break;

	case tok_repertoiremap:
	  /* We need an argument.  */
	  arg = lr_token (ldfile, charmap, NULL, verbose);

	  if (arg->tok != tok_ident)
	    {
	      SYNTAX_ERROR (_("bad argument"));
	      continue;
	    }

	  if (repertoire_name == NULL)
	    {
	      repertoire_name = memcpy (xmalloc (arg->val.str.lenmb + 1),
					arg->val.str.startmb,
					arg->val.str.lenmb);
	      ((char *) repertoire_name)[arg->val.str.lenmb] = '\0';
	    }
	  break;

	case tok_lc_ctype:
	  ctype_read (ldfile, result, charmap, repertoire_name,
		      (locale_mask & CTYPE_LOCALE) == 0);
	  result->avail |= locale_mask & CTYPE_LOCALE;
	  not_here ^= CTYPE_LOCALE;
	  continue;

	case tok_lc_collate:
	  collate_read (ldfile, result, charmap, repertoire_name,
			(locale_mask & COLLATE_LOCALE) == 0);
	  result->avail |= locale_mask & COLLATE_LOCALE;
	  not_here ^= COLLATE_LOCALE;
	  continue;

	case tok_lc_monetary:
	  monetary_read (ldfile, result, charmap, repertoire_name,
			 (locale_mask & MONETARY_LOCALE) == 0);
	  result->avail |= locale_mask & MONETARY_LOCALE;
	  not_here ^= MONETARY_LOCALE;
	  continue;

	case tok_lc_numeric:
	  numeric_read (ldfile, result, charmap, repertoire_name,
			(locale_mask & NUMERIC_LOCALE) == 0);
	  result->avail |= locale_mask & NUMERIC_LOCALE;
	  not_here ^= NUMERIC_LOCALE;
	  continue;

	case tok_lc_time:
	  time_read (ldfile, result, charmap, repertoire_name,
		     (locale_mask & TIME_LOCALE) == 0);
	  result->avail |= locale_mask & TIME_LOCALE;
	  not_here ^= TIME_LOCALE;
	  continue;

	case tok_lc_messages:
	  messages_read (ldfile, result, charmap, repertoire_name,
			 (locale_mask & MESSAGES_LOCALE) == 0);
	  result->avail |= locale_mask & MESSAGES_LOCALE;
	  not_here ^= MESSAGES_LOCALE;
	  continue;

	case tok_lc_paper:
	  paper_read (ldfile, result, charmap, repertoire_name,
		      (locale_mask & PAPER_LOCALE) == 0);
	  result->avail |= locale_mask & PAPER_LOCALE;
	  not_here ^= PAPER_LOCALE;
	  continue;

	case tok_lc_name:
	  name_read (ldfile, result, charmap, repertoire_name,
		     (locale_mask & NAME_LOCALE) == 0);
	  result->avail |= locale_mask & NAME_LOCALE;
	  not_here ^= NAME_LOCALE;
	  continue;

	case tok_lc_address:
	  address_read (ldfile, result, charmap, repertoire_name,
			(locale_mask & ADDRESS_LOCALE) == 0);
	  result->avail |= locale_mask & ADDRESS_LOCALE;
	  not_here ^= ADDRESS_LOCALE;
	  continue;

	case tok_lc_telephone:
	  telephone_read (ldfile, result, charmap, repertoire_name,
			  (locale_mask & TELEPHONE_LOCALE) == 0);
	  result->avail |= locale_mask & TELEPHONE_LOCALE;
	  not_here ^= TELEPHONE_LOCALE;
	  continue;

	case tok_lc_measurement:
	  measurement_read (ldfile, result, charmap, repertoire_name,
			    (locale_mask & MEASUREMENT_LOCALE) == 0);
	  result->avail |= locale_mask & MEASUREMENT_LOCALE;
	  not_here ^= MEASUREMENT_LOCALE;
	  continue;

	case tok_lc_identification:
	  identification_read (ldfile, result, charmap, repertoire_name,
			       (locale_mask & IDENTIFICATION_LOCALE) == 0);
	  result->avail |= locale_mask & IDENTIFICATION_LOCALE;
	  not_here ^= IDENTIFICATION_LOCALE;
	  continue;

	default:
	  SYNTAX_ERROR (_("\
syntax error: not inside a locale definition section"));
	  continue;
	}

      /* The rest of the line must be empty.  */
      lr_ignore_rest (ldfile, 1);
    }

  /* We read all of the file.  */
  lr_close (ldfile);

  /* Mark the categories which are not contained in the file.  We assume
     them to be available and the default data will be used.  */
  result->avail |= not_here;

  return 0;
}


static void (*const check_funcs[]) (struct localedef_t *,
				    struct charmap_t *) =
{
  [LC_CTYPE] = ctype_finish,
  [LC_COLLATE] = collate_finish,
  [LC_MESSAGES] = messages_finish,
  [LC_MONETARY] = monetary_finish,
  [LC_NUMERIC] = numeric_finish,
  [LC_TIME] = time_finish,
  [LC_PAPER] = paper_finish,
  [LC_NAME] = name_finish,
  [LC_ADDRESS] = address_finish,
  [LC_TELEPHONE] = telephone_finish,
  [LC_MEASUREMENT] = measurement_finish,
  [LC_IDENTIFICATION] = identification_finish
};


void
check_all_categories (struct localedef_t *definitions,
		      struct charmap_t *charmap)
{
  int cnt;

  for (cnt = 0; cnt < sizeof (check_funcs) / sizeof (check_funcs[0]); ++cnt)
    if (check_funcs[cnt] != NULL)
      check_funcs[cnt] (definitions, charmap);
}


static void (*const write_funcs[]) (struct localedef_t *, struct charmap_t *,
				    const char *) =
{
  [LC_CTYPE] = ctype_output,
  [LC_COLLATE] = collate_output,
  [LC_MESSAGES] = messages_output,
  [LC_MONETARY] = monetary_output,
  [LC_NUMERIC] = numeric_output,
  [LC_TIME] = time_output,
  [LC_PAPER] = paper_output,
  [LC_NAME] = name_output,
  [LC_ADDRESS] = address_output,
  [LC_TELEPHONE] = telephone_output,
  [LC_MEASUREMENT] = measurement_output,
  [LC_IDENTIFICATION] = identification_output
};


void
write_all_categories (struct localedef_t *definitions,
		      struct charmap_t *charmap,
		      const char *output_path)
{
  int cnt;

  for (cnt = 0; cnt < sizeof (write_funcs) / sizeof (write_funcs[0]); ++cnt)
    if (write_funcs[cnt] != NULL)
      write_funcs[cnt] (definitions, charmap, output_path);
}


void
write_locale_data (const char *output_path, const char *category,
		   size_t n_elem, struct iovec *vec)
{
  size_t cnt, step, maxiov;
  int fd;
  char *fname;

  fname = malloc (strlen (output_path) + 2 * strlen (category) + 7);
  if (fname == NULL)
    error (5, errno, _("memory exhausted"));

  /* Normally we write to the directory pointed to by the OUTPUT_PATH.
     But for LC_MESSAGES we have to take care for the translation
     data.  This means we need to have a directory LC_MESSAGES in
     which we place the file under the name SYS_LC_MESSAGES.  */
  sprintf (fname, "%s%s", output_path, category);
  fd = -2;
  if (strcmp (category, "LC_MESSAGES") == 0)
    {
      struct stat st;

      if (stat (fname, &st) < 0)
	{
	  if (mkdir (fname, 0777) >= 0)
	    {
	      fd = -1;
	      errno = EISDIR;
	    }
	}
      else if (!S_ISREG (st.st_mode))
	{
	  fd = -1;
	  errno = EISDIR;
	}
    }

  /* Create the locale file with nlinks == 1; this avoids crashing processes
     which currently use the locale.  */
  if (fd == -2)
    {
      unlink (fname);
      fd = creat (fname, 0666);
    }

  if (fd == -1)
    {
      int save_err = errno;

      if (errno == EISDIR)
	{
	  sprintf (fname, "%1$s%2$s/SYS_%2$s", output_path, category);
	  unlink (fname);
	  fd = creat (fname, 0666);
	  if (fd == -1)
	    save_err = errno;
	}

      if (fd == -1)
	{
	  if (!be_quiet)
	    error (0, save_err, _("\
cannot open output file `%s' for category `%s'"),
		   fname, category);
	  free (fname);
	  return;
	}
    }
  free (fname);

#ifdef UIO_MAXIOV
  maxiov = UIO_MAXIOV;
#else
  maxiov = sysconf (_SC_UIO_MAXIOV);
#endif

  /* Write the data using writev.  But we must take care for the
     limitation of the implementation.  */
  for (cnt = 0; cnt < n_elem; cnt += step)
    {
      step = n_elem - cnt;
      if (maxiov > 0)
	step = MIN (maxiov, step);

      if (writev (fd, &vec[cnt], step) < 0)
	{
	  if (!be_quiet)
	    error (0, errno, _("failure while writing data for category `%s'"),
		   category);
	  break;
	}
    }

  close (fd);
}