1 /* Copyright (C) 1995, 1996 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 #if !HAVE_STRCHR && !defined _LIBC
41 #if defined _LIBC || defined HAVE_ARGZ_H
46 #if defined STDC_HEADERS || defined _LIBC
52 /* On some strange systems still no definition of NULL is found. Sigh! */
54 # if defined __STDC__ && __STDC__
55 # define NULL ((void *) 0)
61 /* @@ end of prolog @@ */
64 /* Rename the non ANSI C functions. This is required by the standard
65 because some ANSI C functions will require linking with this object
66 file and the name space must not be polluted. */
67 # define stpcpy(dest, src) __stpcpy(dest, src)
70 static char *stpcpy PARAMS ((char *dest, const char *src));
74 /* Define function which are usually not available. */
76 #if !defined _LIBC && !defined HAVE___ARGZ_COUNT
77 /* Returns the number of strings in ARGZ. */
78 static size_t argz_count__ PARAMS ((const char *argz, size_t len));
81 argz_count__ (argz, len)
88 size_t part_len = strlen (argz);
96 # define __argz_count(argz, len) argz_count__ (argz, len)
97 #endif /* !_LIBC && !HAVE___ARGZ_COUNT */
99 #if !defined _LIBC && !defined HAVE___ARGZ_STRINGIFY
100 /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
101 except the last into the character SEP. */
102 static void argz_stringify__ PARAMS ((char *argz, size_t len, int sep));
105 argz_stringify__ (argz, len, sep)
112 size_t part_len = strlen (argz);
119 # undef __argz_stringify
120 # define __argz_stringify(argz, len, sep) argz_stringify__ (argz, len, sep)
121 #endif /* !_LIBC && !HAVE___ARGZ_STRINGIFY */
123 #if !defined _LIBC && !defined HAVE___ARGZ_NEXT
124 static char *argz_next__ PARAMS ((char *argz, size_t argz_len,
128 argz_next__ (argz, argz_len, entry)
135 if (entry < argz + argz_len)
136 entry = strchr (entry, '\0') + 1;
138 return entry >= argz + argz_len ? NULL : (char *) entry;
147 # define __argz_next(argz, len, entry) argz_next__ (argz, len, entry)
148 #endif /* !_LIBC && !HAVE___ARGZ_NEXT */
151 /* Return number of bits set in X. */
152 static int pop PARAMS ((int x));
158 /* We assume that no more than 16 bits are used. */
159 x = ((x & ~0x5555) >> 1) + (x & 0x5555);
160 x = ((x & ~0x3333) >> 2) + (x & 0x3333);
161 x = ((x >> 4) + x) & 0x0f0f;
162 x = ((x >> 8) + x) & 0xff;
168 struct loaded_l10nfile *
169 _nl_make_l10nflist (l10nfile_list, dirlist, dirlist_len, mask, language,
170 territory, codeset, normalized_codeset, modifier, special,
171 sponsor, revision, filename, do_allocate)
172 struct loaded_l10nfile **l10nfile_list;
176 const char *language;
177 const char *territory;
179 const char *normalized_codeset;
180 const char *modifier;
183 const char *revision;
184 const char *filename;
188 struct loaded_l10nfile *last = NULL;
189 struct loaded_l10nfile *retval;
194 /* Allocate room for the full file name. */
195 abs_filename = (char *) malloc (dirlist_len
197 + ((mask & TERRITORY) != 0
198 ? strlen (territory) + 1 : 0)
199 + ((mask & XPG_CODESET) != 0
200 ? strlen (codeset) + 1 : 0)
201 + ((mask & XPG_NORM_CODESET) != 0
202 ? strlen (normalized_codeset) + 1 : 0)
203 + (((mask & XPG_MODIFIER) != 0
204 || (mask & CEN_AUDIENCE) != 0) ?
205 strlen (modifier) + 1 : 0)
206 + ((mask & CEN_SPECIAL) != 0
207 ? strlen (special) + 1 : 0)
208 + ((mask & (CEN_SPONSOR | CEN_REVISION) != 0)
209 ? (1 + ((mask & CEN_SPONSOR) != 0
210 ? strlen (sponsor) + 1 : 0)
211 + ((mask & CEN_REVISION) != 0
212 ? strlen (revision) + 1 : 0)) : 0)
213 + 1 + strlen (filename) + 1);
215 if (abs_filename == NULL)
221 /* Construct file name. */
222 memcpy (abs_filename, dirlist, dirlist_len);
223 __argz_stringify (abs_filename, dirlist_len, ':');
224 cp = abs_filename + (dirlist_len - 1);
226 cp = stpcpy (cp, language);
228 if ((mask & TERRITORY) != 0)
231 cp = stpcpy (cp, territory);
233 if ((mask & XPG_CODESET) != 0)
236 cp = stpcpy (cp, codeset);
238 if ((mask & XPG_NORM_CODESET) != 0)
241 cp = stpcpy (cp, normalized_codeset);
243 if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
245 /* This component can be part of both syntaces but has different
246 leading characters. For CEN we use `+', else `@'. */
247 *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
248 cp = stpcpy (cp, modifier);
250 if ((mask & CEN_SPECIAL) != 0)
253 cp = stpcpy (cp, special);
255 if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
258 if ((mask & CEN_SPONSOR) != 0)
259 cp = stpcpy (cp, sponsor);
260 if ((mask & CEN_REVISION) != 0)
263 cp = stpcpy (cp, revision);
268 stpcpy (cp, filename);
270 /* Look in list of already loaded domains whether it is already
273 for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
274 if (retval->filename != NULL)
276 int compare = strcmp (retval->filename, abs_filename);
282 /* It's not in the list. */
290 if (retval != NULL || do_allocate == 0)
296 retval = (struct loaded_l10nfile *)
297 malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
299 * sizeof (struct loaded_l10nfile *)));
303 retval->filename = abs_filename;
304 retval->decided = (__argz_count (dirlist, dirlist_len) != 1
305 || ((mask & XPG_CODESET) != 0
306 && (mask & XPG_NORM_CODESET) != 0));
311 retval->next = *l10nfile_list;
312 *l10nfile_list = retval;
316 retval->next = last->next;
321 /* If the DIRLIST is a real list the RETVAL entry correcponds not to
322 a real file. So we have to use the DIRLIST separation machanism
323 of the inner loop. */
324 cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
325 for (; cnt >= 0; --cnt)
326 if ((cnt & ~mask) == 0
327 && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
328 && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
330 /* Iterate over all elements of the DIRLIST. */
333 while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
335 retval->successor[entries++]
336 = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
337 language, territory, codeset,
338 normalized_codeset, modifier, special,
339 sponsor, revision, filename, 1);
341 retval->successor[entries] = NULL;
346 /* Normalize codeset name. There is no standard for the codeset
347 names. Normalization allows the user to use any of the common
350 _nl_normalize_codeset (codeset, name_len)
360 for (cnt = 0; cnt < name_len; ++cnt)
361 if (isalnum (codeset[cnt]))
365 if (isalpha (codeset[cnt]))
369 retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
374 wp = stpcpy (retval, "iso");
378 for (cnt = 0; cnt < name_len; ++cnt)
379 if (isalpha (codeset[cnt]))
380 *wp++ = tolower (codeset[cnt]);
381 else if (isdigit (codeset[cnt]))
382 *wp++ = codeset[cnt];
387 return (const char *) retval;
391 /* @@ begin of epilog @@ */
393 /* We don't want libintl.a to depend on any other library. So we
394 avoid the non-standard function stpcpy. In GNU C Library this
395 function is available, though. Also allow the symbol HAVE_STPCPY
397 #if !_LIBC && !HAVE_STPCPY
403 while ((*dest++ = *src++) != '\0')