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 #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 | CEN_REVISION) != 0)
210 ? (1 + ((mask & CEN_SPONSOR) != 0
211 ? strlen (sponsor) + 1 : 0)
212 + ((mask & CEN_REVISION) != 0
213 ? strlen (revision) + 1 : 0)) : 0)
214 + 1 + strlen (filename) + 1);
216 if (abs_filename == NULL)
222 /* Construct file name. */
223 memcpy (abs_filename, dirlist, dirlist_len);
224 __argz_stringify (abs_filename, dirlist_len, ':');
225 cp = abs_filename + (dirlist_len - 1);
227 cp = stpcpy (cp, language);
229 if ((mask & TERRITORY) != 0)
232 cp = stpcpy (cp, territory);
234 if ((mask & XPG_CODESET) != 0)
237 cp = stpcpy (cp, codeset);
239 if ((mask & XPG_NORM_CODESET) != 0)
242 cp = stpcpy (cp, normalized_codeset);
244 if ((mask & (XPG_MODIFIER | CEN_AUDIENCE)) != 0)
246 /* This component can be part of both syntaces but has different
247 leading characters. For CEN we use `+', else `@'. */
248 *cp++ = (mask & CEN_AUDIENCE) != 0 ? '+' : '@';
249 cp = stpcpy (cp, modifier);
251 if ((mask & CEN_SPECIAL) != 0)
254 cp = stpcpy (cp, special);
256 if ((mask & (CEN_SPONSOR | CEN_REVISION)) != 0)
259 if ((mask & CEN_SPONSOR) != 0)
260 cp = stpcpy (cp, sponsor);
261 if ((mask & CEN_REVISION) != 0)
264 cp = stpcpy (cp, revision);
269 stpcpy (cp, filename);
271 /* Look in list of already loaded domains whether it is already
274 for (retval = *l10nfile_list; retval != NULL; retval = retval->next)
275 if (retval->filename != NULL)
277 int compare = strcmp (retval->filename, abs_filename);
283 /* It's not in the list. */
291 if (retval != NULL || do_allocate == 0)
297 retval = (struct loaded_l10nfile *)
298 malloc (sizeof (*retval) + (__argz_count (dirlist, dirlist_len)
300 * sizeof (struct loaded_l10nfile *)));
304 retval->filename = abs_filename;
305 retval->decided = (__argz_count (dirlist, dirlist_len) != 1
306 || ((mask & XPG_CODESET) != 0
307 && (mask & XPG_NORM_CODESET) != 0));
312 retval->next = *l10nfile_list;
313 *l10nfile_list = retval;
317 retval->next = last->next;
322 /* If the DIRLIST is a real list the RETVAL entry corresponds not to
323 a real file. So we have to use the DIRLIST separation mechanism
324 of the inner loop. */
325 cnt = __argz_count (dirlist, dirlist_len) == 1 ? mask - 1 : mask;
326 for (; cnt >= 0; --cnt)
327 if ((cnt & ~mask) == 0
328 && ((cnt & CEN_SPECIFIC) == 0 || (cnt & XPG_SPECIFIC) == 0)
329 && ((cnt & XPG_CODESET) == 0 || (cnt & XPG_NORM_CODESET) == 0))
331 /* Iterate over all elements of the DIRLIST. */
334 while ((dir = __argz_next ((char *) dirlist, dirlist_len, dir))
336 retval->successor[entries++]
337 = _nl_make_l10nflist (l10nfile_list, dir, strlen (dir) + 1, cnt,
338 language, territory, codeset,
339 normalized_codeset, modifier, special,
340 sponsor, revision, filename, 1);
342 retval->successor[entries] = NULL;
347 /* Normalize codeset name. There is no standard for the codeset
348 names. Normalization allows the user to use any of the common
351 _nl_normalize_codeset (codeset, name_len)
361 for (cnt = 0; cnt < name_len; ++cnt)
362 if (isalnum (codeset[cnt]))
366 if (isalpha (codeset[cnt]))
370 retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
375 wp = stpcpy (retval, "iso");
379 for (cnt = 0; cnt < name_len; ++cnt)
380 if (isalpha (codeset[cnt]))
381 *wp++ = tolower (codeset[cnt]);
382 else if (isdigit (codeset[cnt]))
383 *wp++ = codeset[cnt];
388 return (const char *) retval;
392 /* @@ begin of epilog @@ */
394 /* We don't want libintl.a to depend on any other library. So we
395 avoid the non-standard function stpcpy. In GNU C Library this
396 function is available, though. Also allow the symbol HAVE_STPCPY
398 #if !_LIBC && !HAVE_STPCPY
404 while ((*dest++ = *src++) != '\0')