1 /* Handle list of needed message catalogs
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
3 Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 #if defined HAVE_STRING_H || defined _LIBC
26 # define _GNU_SOURCE 1
32 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
35 #if !HAVE_STRCHR && !defined _LIBC
41 #if defined _LIBC || defined HAVE_ARGZ_H
45 #include <sys/types.h>
47 #if defined STDC_HEADERS || defined _LIBC
53 /* On some strange systems still no definition of NULL is found. Sigh! */
55 # if defined __STDC__ && __STDC__
56 # define NULL ((void *) 0)
62 /* @@ end of prolog @@ */
65 /* Rename the non ANSI C functions. This is required by the standard
66 because some ANSI C functions will require linking with this object
67 file and the name space must not be polluted. */
68 # define stpcpy(dest, src) __stpcpy(dest, src)
71 static char *stpcpy PARAMS ((char *dest, const char *src));
75 /* Define function which are usually not available. */
77 #if !defined _LIBC && !defined HAVE___ARGZ_COUNT
78 /* Returns the number of strings in ARGZ. */
79 static size_t argz_count__ PARAMS ((const char *argz, size_t len));
82 argz_count__ (argz, len)
89 size_t part_len = strlen (argz);
97 # define __argz_count(argz, len) argz_count__ (argz, len)
98 #endif /* !_LIBC && !HAVE___ARGZ_COUNT */
100 #if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
101 /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
102 except the last into the character SEP. */
103 static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
106 argz_stringify__ (argz, len, sep)
113 size_t part_len = strlen (argz);
120 # undef __argz_stringify
121 # define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
122 #endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
124 #if !defined _LIBC && !defined HAVE___ARGZ_NEXT
125 static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
129 argz_next__ (argz, argz_len, entry)
136 if (entry < argz + argz_len)
137 entry = strchr (entry, '\0') + 1;
139 return entry >= argz + argz_len ? NULL : (char *) entry;
148 # define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
149 #endif /* !_LIBC && !HAVE___ARGZ_NEXT */
152 /* Return number of bits set in X. */
153 static int pop PARAMS ((int x));
159 /* We assume that no more than 16 bits are used. */
160 x = ((x & ~0x5555) >> 1) + (x & 0x5555);
161 x = ((x & ~0x3333) >> 2) + (x & 0x3333);
162 x = ((x >> 4) + x) & 0x0f0f;
163 x = ((x >> 8) + x) & 0xff;
169 struct loaded_l10nfile *
170 _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
171 territory, codeset, normalized_codeset, modifier, special,
172 sponsor, revision, filename, do_allocate)
173 struct loaded_l10nfile **l10nfile_list;
177 const char *language;
178 const char *territory;
180 const char *normalized_codeset;
181 const char *modifier;
184 const char *revision;
185 const char *filename;
189 struct loaded_l10nfile *last = NULL;
190 struct loaded_l10nfile *retval;
195 /* Allocate room for the full file name. */
196 abs_filename = (char *) malloc (dirlist_len
198 + ((mask & TERRITORY) != 0
199 ? strlen (territory) + 1 : 0)
200 + ((mask & XPG_CODESET) != 0
201 ? strlen (codeset) + 1 : 0)
202 + ((mask & XPG_NORM_CODESET) != 0
203 ? strlen (normalized_codeset) + 1 : 0)
204 + (((mask & XPG_MODIFIER) != 0
205 || (mask & CEN_AUDIENCE) != 0)
206 ? strlen (modifier) + 1 : 0)
207 + ((mask & CEN_SPECIAL) != 0
208 ? strlen (special) + 1 : 0)
209 + (((mask & CEN_SPONSOR) != 0
210 || (mask & CEN_REVISION) != 0)
211 ? (1 + ((mask & CEN_SPONSOR) != 0
212 ? strlen (sponsor) + 1 : 0)
213 + ((mask & CEN_REVISION) != 0
214 ? strlen (revision) + 1 : 0)) : 0)
215 + 1 + strlen (filename) + 1);
217 if (abs_filename == NULL)
223 /* Construct file name. */
224 memcpy (abs_filename, dirlist, dirlist_len);
225 __argz_stringify (abs_filename, dirlist_len, ':');
226 cp = abs_filename + (dirlist_len - 1);
228 cp = stpcpy (cp, language);
230 if ((mask & TERRITORY) != 0)
233 cp = stpcpy (cp, territory);
235 if ((mask & XPG_CODESET) != 0)
238 cp = stpcpy (cp, codeset);
240 if ((mask & XPG_NORM_CODESET) != 0)
243 cp = stpcpy (cp, normalized_codeset);
245 if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
247 /* This component can be part of both syntaces but has different
248 leading characters. For CEN we use `+', else `@'. */
249 *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
250 cp = stpcpy (cp, modifier);
252 if ((mask & CEN_SPECIAL) != 0)
255 cp = stpcpy (cp, special);
257 if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
260 if ((mask & CEN_SPONSOR) != 0)
261 cp = stpcpy (cp, sponsor);
262 if ((mask & CEN_REVISION) != 0)
265 cp = stpcpy (cp, revision);
270 stpcpy (cp, filename);
272 /* Look in list of already loaded domains whether it is already
275 for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
276 if (retval->filename != NULL)
278 int compare = strcmp (retval->filename, abs_filename);
284 /* It's not in the list. */
292 if (retval != NULL || do_allocate == 0)
298 retval = (struct loaded_l10nfile *)
299 malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
301 * sizeof (struct loaded_l10nfile *)));
305 retval->filename = abs_filename;
306 retval->decided = (__argz_count (dirlist, dirlist_len) != 1
307 || ((mask & XPG_CODESET) != 0
308 && (mask & XPG_NORM_CODESET) != 0));
313 retval->next = *l10nfile_list;
314 *l10nfile_list = retval;
318 retval->next = last->next;
323 /* If the DIRLIST is a real list the RETVAL entry corresponds not to
324 a real file. So we have to use the DIRLIST separation mechanism
325 of the inner loop. */
326 cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
327 for (; cnt >= 0; --cnt)
328 if ((cnt & ~mask) == 0
329 && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
330 && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
332 /* Iterate over all elements of the DIRLIST. */
335 while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
337 retval->successor[entries++]
338 = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
339 language, territory, codeset,
340 normalized_codeset, modifier, special,
341 sponsor, revision, filename, 1);
343 retval->successor[entries] = NULL;
348 /* Normalize codeset name. There is no standard for the codeset
349 names. Normalization allows the user to use any of the common
352 _nl_normalize_codeset (codeset, name_len)
362 for (cnt = 0; cnt < name_len; ++cnt)
363 if (isalnum (codeset[cnt]))
367 if (isalpha (codeset[cnt]))
371 retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
376 wp = stpcpy (retval, "iso");
380 for (cnt = 0; cnt < name_len; ++cnt)
381 if (isalpha (codeset[cnt]))
382 *wp++ = tolower (codeset[cnt]);
383 else if (isdigit (codeset[cnt]))
384 *wp++ = codeset[cnt];
389 return (const char *) retval;
393 /* @@ begin of epilog @@ */
395 /* We don't want libintl.a to depend on any other library. So we
396 avoid the non-standard function stpcpy. In GNU C Library this
397 function is available, though. Also allow the symbol HAVE_STPCPY
399 #if !_LIBC && !HAVE_STPCPY
405 while ((*dest++ = *src++) != '\0')