1 /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
2 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
4 This file is part of the GNU C Library. Its master source is NOT part of
5 the C library, however. The master source lives in /gd/gnu/lib.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #if defined HAVE_STRING_H || defined _LIBC
29 # define _GNU_SOURCE 1
35 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
38 #if !HAVE_STRCHR && !defined _LIBC
44 #if defined _LIBC || defined HAVE_ARGZ_H
48 #include <sys/types.h>
50 #if defined STDC_HEADERS || defined _LIBC
56 /* On some strange systems still no definition of NULL is found. Sigh! */
58 # if defined __STDC__ && __STDC__
59 # define NULL ((void *) 0)
65 /* @@ end of prolog @@ */
68 /* Rename the non ANSI C functions. This is required by the standard
69 because some ANSI C functions will require linking with this object
70 file and the name space must not be polluted. */
71 # define stpcpy(dest, src) __stpcpy(dest, src)
74 static char *stpcpy PARAMS ((char *dest, const char *src));
78 /* Define function which are usually not available. */
80 #if !defined _LIBC && !defined HAVE___ARGZ_COUNT
81 /* Returns the number of strings in ARGZ. */
82 static size_t argz_count__ PARAMS ((const char *argz, size_t len));
85 argz_count__ (argz, len)
92 size_t part_len = strlen (argz);
100 # define __argz_count(argz, len) argz_count__ (argz, len)
101 #endif /* !_LIBC && !HAVE___ARGZ_COUNT */
103 #if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
104 /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
105 except the last into the character SEP. */
106 static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
109 argz_stringify__ (argz, len, sep)
116 size_t part_len = strlen (argz);
123 # undef __argz_stringify
124 # define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
125 #endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
127 #if !defined _LIBC && !defined HAVE___ARGZ_NEXT
128 static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
132 argz_next__ (argz, argz_len, entry)
139 if (entry < argz + argz_len)
140 entry = strchr (entry, '\0') + 1;
142 return entry >= argz + argz_len ? NULL : (char *) entry;
151 # define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
152 #endif /* !_LIBC && !HAVE___ARGZ_NEXT */
155 /* Return number of bits set in X. */
156 static int pop PARAMS ((int x));
162 /* We assume that no more than 16 bits are used. */
163 x = ((x & ~0x5555) >> 1) + (x & 0x5555);
164 x = ((x & ~0x3333) >> 2) + (x & 0x3333);
165 x = ((x >> 4) + x) & 0x0f0f;
166 x = ((x >> 8) + x) & 0xff;
172 struct loaded_l10nfile *
173 _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
174 territory, codeset, normalized_codeset, modifier, special,
175 sponsor, revision, filename, do_allocate)
176 struct loaded_l10nfile **l10nfile_list;
180 const char *language;
181 const char *territory;
183 const char *normalized_codeset;
184 const char *modifier;
187 const char *revision;
188 const char *filename;
192 struct loaded_l10nfile *last = NULL;
193 struct loaded_l10nfile *retval;
198 /* Allocate room for the full file name. */
199 abs_filename = (char *) malloc (dirlist_len
201 + ((mask & TERRITORY) != 0
202 ? strlen (territory) + 1 : 0)
203 + ((mask & XPG_CODESET) != 0
204 ? strlen (codeset) + 1 : 0)
205 + ((mask & XPG_NORM_CODESET) != 0
206 ? strlen (normalized_codeset) + 1 : 0)
207 + (((mask & XPG_MODIFIER) != 0
208 || (mask & CEN_AUDIENCE) != 0)
209 ? strlen (modifier) + 1 : 0)
210 + ((mask & CEN_SPECIAL) != 0
211 ? strlen (special) + 1 : 0)
212 + (((mask & CEN_SPONSOR) != 0
213 || (mask & CEN_REVISION) != 0)
214 ? (1 + ((mask & CEN_SPONSOR) != 0
215 ? strlen (sponsor) + 1 : 0)
216 + ((mask & CEN_REVISION) != 0
217 ? strlen (revision) + 1 : 0)) : 0)
218 + 1 + strlen (filename) + 1);
220 if (abs_filename == NULL)
226 /* Construct file name. */
227 memcpy (abs_filename, dirlist, dirlist_len);
228 __argz_stringify (abs_filename, dirlist_len, ':');
229 cp = abs_filename + (dirlist_len - 1);
231 cp = stpcpy (cp, language);
233 if ((mask & TERRITORY) != 0)
236 cp = stpcpy (cp, territory);
238 if ((mask & XPG_CODESET) != 0)
241 cp = stpcpy (cp, codeset);
243 if ((mask & XPG_NORM_CODESET) != 0)
246 cp = stpcpy (cp, normalized_codeset);
248 if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
250 /* This component can be part of both syntaces but has different
251 leading characters. For CEN we use `+', else `@'. */
252 *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
253 cp = stpcpy (cp, modifier);
255 if ((mask & CEN_SPECIAL) != 0)
258 cp = stpcpy (cp, special);
260 if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
263 if ((mask & CEN_SPONSOR) != 0)
264 cp = stpcpy (cp, sponsor);
265 if ((mask & CEN_REVISION) != 0)
268 cp = stpcpy (cp, revision);
273 stpcpy (cp, filename);
275 /* Look in list of already loaded domains whether it is already
278 for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
279 if (retval->filename != NULL)
281 int compare = strcmp (retval->filename, abs_filename);
287 /* It's not in the list. */
295 if (retval != NULL || do_allocate == 0)
301 retval = (struct loaded_l10nfile *)
302 malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
304 * sizeof (struct loaded_l10nfile *)));
308 retval->filename = abs_filename;
309 retval->decided = (__argz_count (dirlist, dirlist_len) != 1
310 || ((mask & XPG_CODESET) != 0
311 && (mask & XPG_NORM_CODESET) != 0));
316 retval->next = *l10nfile_list;
317 *l10nfile_list = retval;
321 retval->next = last->next;
326 /* If the DIRLIST is a real list the RETVAL entry corresponds not to
327 a real file. So we have to use the DIRLIST separation mechanism
328 of the inner loop. */
329 cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
330 for (; cnt >= 0; --cnt)
331 if ((cnt & ~mask) == 0
332 && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
333 && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
335 /* Iterate over all elements of the DIRLIST. */
338 while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
340 retval->successor[entries++]
341 = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
342 language, territory, codeset,
343 normalized_codeset, modifier, special,
344 sponsor, revision, filename, 1);
346 retval->successor[entries] = NULL;
351 /* Normalize codeset name. There is no standard for the codeset
352 names. Normalization allows the user to use any of the common
355 _nl_normalize_codeset (codeset, name_len)
365 for (cnt = 0; cnt < name_len; ++cnt)
366 if (isalnum (codeset[cnt]))
370 if (isalpha (codeset[cnt]))
374 retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
379 wp = stpcpy (retval, "iso");
383 for (cnt = 0; cnt < name_len; ++cnt)
384 if (isalpha (codeset[cnt]))
385 *wp++ = tolower (codeset[cnt]);
386 else if (isdigit (codeset[cnt]))
387 *wp++ = codeset[cnt];
392 return (const char *) retval;
396 /* @@ begin of epilog @@ */
398 /* We don't want libintl.a to depend on any other library. So we
399 avoid the non-standard function stpcpy. In GNU C Library this
400 function is available, though. Also allow the symbol HAVE_STPCPY
402 #if !_LIBC && !HAVE_STPCPY
408 while ((*dest++ = *src++) != '\0')