summaryrefslogtreecommitdiff
path: root/intl/dcigettext.c
blob: 3d38de99e7c79df28a68c115db99aa772b55ddb5 (plain)
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
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
/* Implementation of the internal dcigettext function.
   Copyright (C) 1995-2016 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

   This program 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Tell glibc's <string.h> to provide a prototype for mempcpy().
   This must come before <config.h> because <config.h> may include
   <features.h>, and once <features.h> has been included, it's too late.  */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE	1
#endif

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

#include <sys/types.h>

#ifdef __GNUC__
# define alloca __builtin_alloca
# define HAVE_ALLOCA 1
#else
# ifdef _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# else
#  if defined HAVE_ALLOCA_H || defined _LIBC
#   include <alloca.h>
#  else
#   ifdef _AIX
 #pragma alloca
#   else
#    ifndef alloca
char *alloca ();
#    endif
#   endif
#  endif
# endif
#endif

#include <errno.h>
#ifndef errno
extern int errno;
#endif
#ifndef __set_errno
# define __set_errno(val) errno = (val)
#endif

#include <stddef.h>
#include <stdlib.h>
#include <string.h>

#if defined HAVE_UNISTD_H || defined _LIBC
# include <unistd.h>
#endif

#include <locale.h>

#ifdef _LIBC
  /* Guess whether integer division by zero raises signal SIGFPE.
     Set to 1 only if you know for sure.  In case of doubt, set to 0.  */
# if defined __alpha__ || defined __arm__ || defined __i386__ \
     || defined __m68k__ || defined __s390__
#  define INTDIV0_RAISES_SIGFPE 1
# else
#  define INTDIV0_RAISES_SIGFPE 0
# endif
#endif
#if !INTDIV0_RAISES_SIGFPE
# include <signal.h>
#endif

#if defined HAVE_SYS_PARAM_H || defined _LIBC
# include <sys/param.h>
#endif

#if !defined _LIBC
# include "localcharset.h"
#endif

#include "gettextP.h"
#include "plural-exp.h"
#ifdef _LIBC
# include <libintl.h>
#else
# ifdef IN_LIBGLOCALE
#  include <libintl.h>
# endif
# include "libgnuintl.h"
#endif
#include "hash-string.h"

/* Handle multi-threaded applications.  */
#ifdef _LIBC
# include <libc-lock.h>
# define gl_rwlock_define_initialized __libc_rwlock_define_initialized
# define gl_rwlock_rdlock __libc_rwlock_rdlock
# define gl_rwlock_wrlock __libc_rwlock_wrlock
# define gl_rwlock_unlock __libc_rwlock_unlock
#else
# include "lock.h"
#endif

/* Alignment of types.  */
#if defined __GNUC__ && __GNUC__ >= 2
# define alignof(TYPE) __alignof__ (TYPE)
#else
# define alignof(TYPE) \
    ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)
#endif

/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>.  */
#ifndef offsetof
# define offsetof(type,ident) ((size_t)&(((type*)0)->ident))
#endif

/* @@ end of prolog @@ */

#ifdef _LIBC
/* Rename the non ANSI C functions.  This is required by the standard
   because some ANSI C functions will require linking with this object
   file and the name space must not be polluted.  */
# define getcwd __getcwd
# ifndef stpcpy
#  define stpcpy __stpcpy
# endif
# define tfind __tfind
#else
# if !defined HAVE_GETCWD
char *getwd ();
#  define getcwd(buf, max) getwd (buf)
# else
#  if VMS
#   define getcwd(buf, max) (getcwd) (buf, max, 0)
#  else
char *getcwd ();
#  endif
# endif
# ifndef HAVE_STPCPY
static char *stpcpy (char *dest, const char *src);
# endif
# ifndef HAVE_MEMPCPY
static void *mempcpy (void *dest, const void *src, size_t n);
# endif
#endif

/* Use a replacement if the system does not provide the `tsearch' function
   family.  */
#if defined HAVE_TSEARCH || defined _LIBC
# include <search.h>
#else
# define tsearch libintl_tsearch
# define tfind libintl_tfind
# define tdelete libintl_tdelete
# define twalk libintl_twalk
# include "tsearch.h"
#endif

#ifdef _LIBC
# define tsearch __tsearch
#endif

/* Amount to increase buffer size by in each try.  */
#define PATH_INCR 32

/* The following is from pathmax.h.  */
/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
   PATH_MAX but might cause redefinition warnings when sys/param.h is
   later included (as on MORE/BSD 4.3).  */
#if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__)
# include <limits.h>
#endif

#ifndef _POSIX_PATH_MAX
# define _POSIX_PATH_MAX 255
#endif

#if !defined PATH_MAX && defined _PC_PATH_MAX
# define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
#endif

/* Don't include sys/param.h if it already has been.  */
#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
# include <sys/param.h>
#endif

#if !defined PATH_MAX && defined MAXPATHLEN
# define PATH_MAX MAXPATHLEN
#endif

#ifndef PATH_MAX
# define PATH_MAX _POSIX_PATH_MAX
#endif

/* Pathname support.
   ISSLASH(C)           tests whether C is a directory separator character.
   IS_ABSOLUTE_PATH(P)  tests whether P is an absolute path.  If it is not,
                        it may be concatenated to a directory pathname.
   IS_PATH_WITH_DIR(P)  tests whether P contains a directory specification.
 */
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
  /* Win32, Cygwin, OS/2, DOS */
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
# define HAS_DEVICE(P) \
    ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
     && (P)[1] == ':')
# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
# define IS_PATH_WITH_DIR(P) \
    (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
#else
  /* Unix */
# define ISSLASH(C) ((C) == '/')
# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
#endif

/* Whether to support different locales in different threads.  */
#if defined _LIBC || HAVE_USELOCALE || defined IN_LIBGLOCALE
# define HAVE_PER_THREAD_LOCALE
#endif

/* This is the type used for the search tree where known translations
   are stored.  */
struct known_translation_t
{
  /* Domain in which to search.  */
  const char *domainname;

  /* The category.  */
  int category;

#ifdef HAVE_PER_THREAD_LOCALE
  /* Name of the relevant locale category, or "" for the global locale.  */
  const char *localename;
#endif

#ifdef IN_LIBGLOCALE
  /* The character encoding.  */
  const char *encoding;
#endif

  /* State of the catalog counter at the point the string was found.  */
  int counter;

  /* Catalog where the string was found.  */
  struct loaded_l10nfile *domain;

  /* And finally the translation.  */
  const char *translation;
  size_t translation_length;

  /* Pointer to the string in question.  */
  union
    {
      char appended[ZERO];  /* used if domain != NULL */
      const char *ptr;      /* used if domain == NULL */
    }
  msgid;
};

gl_rwlock_define_initialized (static, tree_lock)

/* Root of the search tree with known translations.  */
static void *root;

/* Function to compare two entries in the table of known translations.  */
static int
transcmp (const void *p1, const void *p2)
{
  const struct known_translation_t *s1;
  const struct known_translation_t *s2;
  int result;

  s1 = (const struct known_translation_t *) p1;
  s2 = (const struct known_translation_t *) p2;

  result = strcmp (s1->domain != NULL ? s1->msgid.appended : s1->msgid.ptr,
		   s2->domain != NULL ? s2->msgid.appended : s2->msgid.ptr);
  if (result == 0)
    {
      result = strcmp (s1->domainname, s2->domainname);
      if (result == 0)
	{
#ifdef HAVE_PER_THREAD_LOCALE
	  result = strcmp (s1->localename, s2->localename);
	  if (result == 0)
#endif
	    {
#ifdef IN_LIBGLOCALE
	      result = strcmp (s1->encoding, s2->encoding);
	      if (result == 0)
#endif
		/* We compare the category last (though this is the cheapest
		   operation) since it is hopefully always the same (namely
		   LC_MESSAGES).  */
		result = s1->category - s2->category;
	    }
	}
    }

  return result;
}

/* Name of the default domain used for gettext(3) prior any call to
   textdomain(3).  The default value for this is "messages".  */
const char _nl_default_default_domain[] attribute_hidden = "messages";

#ifndef IN_LIBGLOCALE
/* Value used as the default domain for gettext(3).  */
const char *_nl_current_default_domain attribute_hidden
     = _nl_default_default_domain;
#endif

/* Contains the default location of the message catalogs.  */
#if defined __EMX__
extern const char _nl_default_dirname[];
#else
# ifdef _LIBC
extern const char _nl_default_dirname[];
libc_hidden_proto (_nl_default_dirname)
# endif
const char _nl_default_dirname[] = LOCALEDIR;
# ifdef _LIBC
libc_hidden_data_def (_nl_default_dirname)
# endif
#endif

#ifndef IN_LIBGLOCALE
/* List with bindings of specific domains created by bindtextdomain()
   calls.  */
struct binding *_nl_domain_bindings;
#endif

/* Prototypes for local functions.  */
static char *plural_lookup (struct loaded_l10nfile *domain,
			    unsigned long int n,
			    const char *translation, size_t translation_len)
     internal_function;

#ifdef IN_LIBGLOCALE
static const char *guess_category_value (int category,
					 const char *categoryname,
					 const char *localename)
     internal_function;
#else
static const char *guess_category_value (int category,
					 const char *categoryname)
     internal_function;
#endif

#ifdef _LIBC
# include "../locale/localeinfo.h"
# define category_to_name(category) \
  _nl_category_names.str + _nl_category_name_idxs[category]
#else
static const char *category_to_name (int category) internal_function;
#endif
#if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE
static const char *get_output_charset (struct binding *domainbinding)
     internal_function;
#endif


/* For those losing systems which don't have `alloca' we have to add
   some additional code emulating it.  */
#ifdef HAVE_ALLOCA
/* Nothing has to be done.  */
# define freea(p) /* nothing */
# define ADD_BLOCK(list, address) /* nothing */
# define FREE_BLOCKS(list) /* nothing */
#else
struct block_list
{
  void *address;
  struct block_list *next;
};
# define ADD_BLOCK(list, addr)						      \
  do {									      \
    struct block_list *newp = (struct block_list *) malloc (sizeof (*newp));  \
    /* If we cannot get a free block we cannot add the new element to	      \
       the list.  */							      \
    if (newp != NULL) {							      \
      newp->address = (addr);						      \
      newp->next = (list);						      \
      (list) = newp;							      \
    }									      \
  } while (0)
# define FREE_BLOCKS(list)						      \
  do {									      \
    while (list != NULL) {						      \
      struct block_list *old = list;					      \
      list = list->next;						      \
      free (old->address);						      \
      free (old);							      \
    }									      \
  } while (0)
# undef alloca
# define alloca(size) (malloc (size))
# define freea(p) free (p)
#endif	/* have alloca */


#ifdef _LIBC
/* List of blocks allocated for translations.  */
typedef struct transmem_list
{
  struct transmem_list *next;
  char data[ZERO];
} transmem_block_t;
static struct transmem_list *transmem_list;
#else
typedef unsigned char transmem_block_t;
#endif


/* Names for the libintl functions are a problem.  They must not clash
   with existing names and they should follow ANSI C.  But this source
   code is also used in GNU C Library where the names have a __
   prefix.  So we have to make a difference here.  */
#ifdef _LIBC
# define DCIGETTEXT __dcigettext
#else
# define DCIGETTEXT libintl_dcigettext
#endif

/* Lock variable to protect the global data in the gettext implementation.  */
gl_rwlock_define_initialized (, _nl_state_lock attribute_hidden)

/* Checking whether the binaries runs SUID must be done and glibc provides
   easier methods therefore we make a difference here.  */
#ifdef _LIBC
# define ENABLE_SECURE __libc_enable_secure
# define DETERMINE_SECURE
#else
# ifndef HAVE_GETUID
#  define getuid() 0
# endif
# ifndef HAVE_GETGID
#  define getgid() 0
# endif
# ifndef HAVE_GETEUID
#  define geteuid() getuid()
# endif
# ifndef HAVE_GETEGID
#  define getegid() getgid()
# endif
static int enable_secure;
# define ENABLE_SECURE (enable_secure == 1)
# define DETERMINE_SECURE \
  if (enable_secure == 0)						      \
    {									      \
      if (getuid () != geteuid () || getgid () != getegid ())		      \
	enable_secure = 1;						      \
      else								      \
	enable_secure = -1;						      \
    }
#endif

/* Get the function to evaluate the plural expression.  */
#include "eval-plural.h"

/* Look up MSGID in the DOMAINNAME message catalog for the current
   CATEGORY locale and, if PLURAL is nonzero, search over string
   depending on the plural form determined by N.  */
#ifdef IN_LIBGLOCALE
char *
gl_dcigettext (const char *domainname,
	       const char *msgid1, const char *msgid2,
	       int plural, unsigned long int n,
	       int category,
	       const char *localename, const char *encoding)
#else
char *
DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
	    int plural, unsigned long int n, int category)
#endif
{
#ifndef HAVE_ALLOCA
  struct block_list *block_list = NULL;
#endif
  struct loaded_l10nfile *domain;
  struct binding *binding;
  const char *categoryname;
  const char *categoryvalue;
  const char *dirname;
  char *xdomainname;
  char *single_locale;
  char *retval;
  size_t retlen;
  int saved_errno;
  struct known_translation_t search;
  struct known_translation_t **foundp = NULL;
#if defined HAVE_PER_THREAD_LOCALE && !defined IN_LIBGLOCALE
  const char *localename;
#endif
  size_t domainname_len;

  /* If no real MSGID is given return NULL.  */
  if (msgid1 == NULL)
    return NULL;

#ifdef _LIBC
  if (category < 0 || category >= __LC_LAST || category == LC_ALL)
    /* Bogus.  */
    return (plural == 0
	    ? (char *) msgid1
	    /* Use the Germanic plural rule.  */
	    : n == 1 ? (char *) msgid1 : (char *) msgid2);
#endif

  /* Preserve the `errno' value.  */
  saved_errno = errno;

#ifdef _LIBC
  __libc_rwlock_define (extern, __libc_setlocale_lock attribute_hidden)
  __libc_rwlock_rdlock (__libc_setlocale_lock);
#endif

  gl_rwlock_rdlock (_nl_state_lock);

  /* If DOMAINNAME is NULL, we are interested in the default domain.  If
     CATEGORY is not LC_MESSAGES this might not make much sense but the
     definition left this undefined.  */
  if (domainname == NULL)
    domainname = _nl_current_default_domain;

  /* OS/2 specific: backward compatibility with older libintl versions  */
#ifdef LC_MESSAGES_COMPAT
  if (category == LC_MESSAGES_COMPAT)
    category = LC_MESSAGES;
#endif

  /* Try to find the translation among those which we found at
     some time.  */
  search.domain = NULL;
  search.msgid.ptr = msgid1;
  search.domainname = domainname;
  search.category = category;
#ifdef HAVE_PER_THREAD_LOCALE
# ifndef IN_LIBGLOCALE
#  ifdef _LIBC
  localename = strdupa (__current_locale_name (category));
#  else
  categoryname = category_to_name (category);
#   define CATEGORYNAME_INITIALIZED
  localename = _nl_locale_name_thread_unsafe (category, categoryname);
  if (localename == NULL)
    localename = "";
#  endif
# endif
  search.localename = localename;
# ifdef IN_LIBGLOCALE
  search.encoding = encoding;
# endif

  /* Since tfind/tsearch manage a balanced tree, concurrent tfind and
     tsearch calls can be fatal.  */
  gl_rwlock_rdlock (tree_lock);

  foundp = (struct known_translation_t **) tfind (&search, &root, transcmp);

  gl_rwlock_unlock (tree_lock);

  if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
    {
      /* Now deal with plural.  */
      if (plural)
	retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation,
				(*foundp)->translation_length);
      else
	retval = (char *) (*foundp)->translation;

      gl_rwlock_unlock (_nl_state_lock);
# ifdef _LIBC
      __libc_rwlock_unlock (__libc_setlocale_lock);
# endif
      __set_errno (saved_errno);
      return retval;
    }
#endif

  /* See whether this is a SUID binary or not.  */
  DETERMINE_SECURE;

  /* First find matching binding.  */
#ifdef IN_LIBGLOCALE
  /* We can use a trivial binding, since _nl_find_msg will ignore it anyway,
     and _nl_load_domain and _nl_find_domain just pass it through.  */
  binding = NULL;
  dirname = bindtextdomain (domainname, NULL);
#else
  for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
    {
      int compare = strcmp (domainname, binding->domainname);
      if (compare == 0)
	/* We found it!  */
	break;
      if (compare < 0)
	{
	  /* It is not in the list.  */
	  binding = NULL;
	  break;
	}
    }

  if (binding == NULL)
    dirname = _nl_default_dirname;
  else
    {
      dirname = binding->dirname;
#endif
      if (!IS_ABSOLUTE_PATH (dirname))
	{
	  /* We have a relative path.  Make it absolute now.  */
	  size_t dirname_len = strlen (dirname) + 1;
	  size_t path_max;
	  char *resolved_dirname;
	  char *ret;

	  path_max = (unsigned int) PATH_MAX;
	  path_max += 2;		/* The getcwd docs say to do this.  */

	  for (;;)
	    {
	      resolved_dirname = (char *) alloca (path_max + dirname_len);
	      ADD_BLOCK (block_list, tmp_dirname);

	      __set_errno (0);
	      ret = getcwd (resolved_dirname, path_max);
	      if (ret != NULL || errno != ERANGE)
		break;

	      path_max += path_max / 2;
	      path_max += PATH_INCR;
	    }

	  if (ret == NULL)
	    /* We cannot get the current working directory.  Don't signal an
	       error but simply return the default string.  */
	    goto return_untranslated;

	  stpcpy (stpcpy (strchr (resolved_dirname, '\0'), "/"), dirname);
	  dirname = resolved_dirname;
	}
#ifndef IN_LIBGLOCALE
    }
#endif

  /* Now determine the symbolic name of CATEGORY and its value.  */
#ifndef CATEGORYNAME_INITIALIZED
  categoryname = category_to_name (category);
#endif
#ifdef IN_LIBGLOCALE
  categoryvalue = guess_category_value (category, categoryname, localename);
#else
  categoryvalue = guess_category_value (category, categoryname);
#endif

  domainname_len = strlen (domainname);
  xdomainname = (char *) alloca (strlen (categoryname)
				 + domainname_len + 5);
  ADD_BLOCK (block_list, xdomainname);

  stpcpy ((char *) mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"),
			    domainname, domainname_len),
	  ".mo");

  /* Creating working area.  */
  single_locale = (char *) alloca (strlen (categoryvalue) + 1);
  ADD_BLOCK (block_list, single_locale);


  /* Search for the given string.  This is a loop because we perhaps
     got an ordered list of languages to consider for the translation.  */
  while (1)
    {
      /* Make CATEGORYVALUE point to the next element of the list.  */
      while (categoryvalue[0] != '\0' && categoryvalue[0] == ':')
	++categoryvalue;
      if (categoryvalue[0] == '\0')
	{
	  /* The whole contents of CATEGORYVALUE has been searched but
	     no valid entry has been found.  We solve this situation
	     by implicitly appending a "C" entry, i.e. no translation
	     will take place.  */
	  single_locale[0] = 'C';
	  single_locale[1] = '\0';
	}
      else
	{
	  char *cp = single_locale;
	  while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')
	    *cp++ = *categoryvalue++;
	  *cp = '\0';

	  /* When this is a SUID binary we must not allow accessing files
	     outside the dedicated directories.  */
	  if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale))
	    /* Ingore this entry.  */
	    continue;
	}

      /* If the current locale value is C (or POSIX) we don't load a
	 domain.  Return the MSGID.  */
      if (strcmp (single_locale, "C") == 0
	  || strcmp (single_locale, "POSIX") == 0)
	break;

      /* Find structure describing the message catalog matching the
	 DOMAINNAME and CATEGORY.  */
      domain = _nl_find_domain (dirname, single_locale, xdomainname, binding);

      if (domain != NULL)
	{
#if defined IN_LIBGLOCALE
	  retval = _nl_find_msg (domain, binding, encoding, msgid1, &retlen);
#else
	  retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen);
#endif

	  if (retval == NULL)
	    {
	      int cnt;

	      for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)
		{
#if defined IN_LIBGLOCALE
		  retval = _nl_find_msg (domain->successor[cnt], binding,
					 encoding, msgid1, &retlen);
#else
		  retval = _nl_find_msg (domain->successor[cnt], binding,
					 msgid1, 1, &retlen);
#endif

		  /* Resource problems are not fatal, instead we return no
		     translation.  */
		  if (__builtin_expect (retval == (char *) -1, 0))
		    goto return_untranslated;

		  if (retval != NULL)
		    {
		      domain = domain->successor[cnt];
		      break;
		    }
		}
	    }

	  /* Returning -1 means that some resource problem exists
	     (likely memory) and that the strings could not be
	     converted.  Return the original strings.  */
	  if (__builtin_expect (retval == (char *) -1, 0))
	    break;

	  if (retval != NULL)
	    {
	      /* Found the translation of MSGID1 in domain DOMAIN:
		 starting at RETVAL, RETLEN bytes.  */
	      FREE_BLOCKS (block_list);
	      if (foundp == NULL)
		{
		  /* Create a new entry and add it to the search tree.  */
		  size_t msgid_len;
		  size_t size;
		  struct known_translation_t *newp;

		  msgid_len = strlen (msgid1) + 1;
		  size = offsetof (struct known_translation_t, msgid)
			 + msgid_len + domainname_len + 1;
#ifdef HAVE_PER_THREAD_LOCALE
		  size += strlen (localename) + 1;
#endif
		  newp = (struct known_translation_t *) malloc (size);
		  if (newp != NULL)
		    {
		      char *new_domainname;
#ifdef HAVE_PER_THREAD_LOCALE
		      char *new_localename;
#endif

		      new_domainname =
			(char *) mempcpy (newp->msgid.appended, msgid1,
					  msgid_len);
		      memcpy (new_domainname, domainname, domainname_len + 1);
#ifdef HAVE_PER_THREAD_LOCALE
		      new_localename = new_domainname + domainname_len + 1;
		      strcpy (new_localename, localename);
#endif
		      newp->domainname = new_domainname;
		      newp->category = category;
#ifdef HAVE_PER_THREAD_LOCALE
		      newp->localename = new_localename;
#endif
#ifdef IN_LIBGLOCALE
		      newp->encoding = encoding;
#endif
		      newp->counter = _nl_msg_cat_cntr;
		      newp->domain = domain;
		      newp->translation = retval;
		      newp->translation_length = retlen;

		      gl_rwlock_wrlock (tree_lock);

		      /* Insert the entry in the search tree.  */
		      foundp = (struct known_translation_t **)
			tsearch (newp, &root, transcmp);

		      gl_rwlock_unlock (tree_lock);

		      if (foundp == NULL
			  || __builtin_expect (*foundp != newp, 0))
			/* The insert failed.  */
			free (newp);
		    }
		}
	      else
		{
		  /* We can update the existing entry.  */
		  (*foundp)->counter = _nl_msg_cat_cntr;
		  (*foundp)->domain = domain;
		  (*foundp)->translation = retval;
		  (*foundp)->translation_length = retlen;
		}

	      __set_errno (saved_errno);

	      /* Now deal with plural.  */
	      if (plural)
		retval = plural_lookup (domain, n, retval, retlen);

	      gl_rwlock_unlock (_nl_state_lock);
#ifdef _LIBC
	      __libc_rwlock_unlock (__libc_setlocale_lock);
#endif
	      return retval;
	    }
	}
    }

 return_untranslated:
  /* Return the untranslated MSGID.  */
  FREE_BLOCKS (block_list);
  gl_rwlock_unlock (_nl_state_lock);
#ifdef _LIBC
  __libc_rwlock_unlock (__libc_setlocale_lock);
#endif
#ifndef _LIBC
  if (!ENABLE_SECURE)
    {
      extern void _nl_log_untranslated (const char *logfilename,
					const char *domainname,
					const char *msgid1, const char *msgid2,
					int plural);
      const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED");

      if (logfilename != NULL && logfilename[0] != '\0')
	_nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural);
    }
#endif
  __set_errno (saved_errno);
  return (plural == 0
	  ? (char *) msgid1
	  /* Use the Germanic plural rule.  */
	  : n == 1 ? (char *) msgid1 : (char *) msgid2);
}


/* Look up the translation of msgid within DOMAIN_FILE and DOMAINBINDING.
   Return it if found.  Return NULL if not found or in case of a conversion
   failure (problem in the particular message catalog).  Return (char *) -1
   in case of a memory allocation failure during conversion (only if
   ENCODING != NULL resp. CONVERT == true).  */
char *
internal_function
#ifdef IN_LIBGLOCALE
_nl_find_msg (struct loaded_l10nfile *domain_file,
	      struct binding *domainbinding, const char *encoding,
	      const char *msgid,
	      size_t *lengthp)
#else
_nl_find_msg (struct loaded_l10nfile *domain_file,
	      struct binding *domainbinding,
	      const char *msgid, int convert,
	      size_t *lengthp)
#endif
{
  struct loaded_domain *domain;
  nls_uint32 nstrings;
  size_t act;
  char *result;
  size_t resultlen;

  if (domain_file->decided <= 0)
    _nl_load_domain (domain_file, domainbinding);

  if (domain_file->data == NULL)
    return NULL;

  domain = (struct loaded_domain *) domain_file->data;

  nstrings = domain->nstrings;

  /* Locate the MSGID and its translation.  */
  if (domain->hash_tab != NULL)
    {
      /* Use the hashing table.  */
      nls_uint32 len = strlen (msgid);
      nls_uint32 hash_val = __hash_string (msgid);
      nls_uint32 idx = hash_val % domain->hash_size;
      nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));

      while (1)
	{
	  nls_uint32 nstr =
	    W (domain->must_swap_hash_tab, domain->hash_tab[idx]);

	  if (nstr == 0)
	    /* Hash table entry is empty.  */
	    return NULL;

	  nstr--;

	  /* Compare msgid with the original string at index nstr.
	     We compare the lengths with >=, not ==, because plural entries
	     are represented by strings with an embedded NUL.  */
	  if (nstr < nstrings
	      ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len
		&& (strcmp (msgid,
			    domain->data + W (domain->must_swap,
					      domain->orig_tab[nstr].offset))
		    == 0)
	      : domain->orig_sysdep_tab[nstr - nstrings].length > len
		&& (strcmp (msgid,
			    domain->orig_sysdep_tab[nstr - nstrings].pointer)
		    == 0))
	    {
	      act = nstr;
	      goto found;
	    }

	  if (idx >= domain->hash_size - incr)
	    idx -= domain->hash_size - incr;
	  else
	    idx += incr;
	}
      /* NOTREACHED */
    }
  else
    {
      /* Try the default method:  binary search in the sorted array of
	 messages.  */
      size_t top, bottom;

      bottom = 0;
      top = nstrings;
      while (bottom < top)
	{
	  int cmp_val;

	  act = (bottom + top) / 2;
	  cmp_val = strcmp (msgid, (domain->data
				    + W (domain->must_swap,
					 domain->orig_tab[act].offset)));
	  if (cmp_val < 0)
	    top = act;
	  else if (cmp_val > 0)
	    bottom = act + 1;
	  else
	    goto found;
	}
      /* No translation was found.  */
      return NULL;
    }

 found:
  /* The translation was found at index ACT.  If we have to convert the
     string to use a different character set, this is the time.  */
  if (act < nstrings)
    {
      result = (char *)
	(domain->data + W (domain->must_swap, domain->trans_tab[act].offset));
      resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1;
    }
  else
    {
      result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer;
      resultlen = domain->trans_sysdep_tab[act - nstrings].length;
    }

#if defined _LIBC || HAVE_ICONV
# ifdef IN_LIBGLOCALE
  if (encoding != NULL)
# else
  if (convert)
# endif
    {
      /* We are supposed to do a conversion.  */
# ifndef IN_LIBGLOCALE
      const char *encoding = get_output_charset (domainbinding);
# endif
      size_t nconversions;
      struct converted_domain *convd;
      size_t i;

      /* Protect against reallocation of the table.  */
      gl_rwlock_rdlock (domain->conversions_lock);

      /* Search whether a table with converted translations for this
	 encoding has already been allocated.  */
      nconversions = domain->nconversions;
      convd = NULL;

      for (i = nconversions; i > 0; )
	{
	  i--;
	  if (strcmp (domain->conversions[i].encoding, encoding) == 0)
	    {
	      convd = &domain->conversions[i];
	      break;
	    }
	}

      gl_rwlock_unlock (domain->conversions_lock);

      if (convd == NULL)
	{
	  /* We have to allocate a new conversions table.  */
	  gl_rwlock_wrlock (domain->conversions_lock);
	  nconversions = domain->nconversions;

	  /* Maybe in the meantime somebody added the translation.
	     Recheck.  */
	  for (i = nconversions; i > 0; )
	    {
	      i--;
	      if (strcmp (domain->conversions[i].encoding, encoding) == 0)
		{
		  convd = &domain->conversions[i];
		  goto found_convd;
		}
	    }

	  {
	    /* Allocate a table for the converted translations for this
	       encoding.  */
	    struct converted_domain *new_conversions =
	      (struct converted_domain *)
	      (domain->conversions != NULL
	       ? realloc (domain->conversions,
			  (nconversions + 1) * sizeof (struct converted_domain))
	       : malloc ((nconversions + 1) * sizeof (struct converted_domain)));

	    if (__builtin_expect (new_conversions == NULL, 0))
	      {
		/* Nothing we can do, no more memory.  We cannot use the
		   translation because it might be encoded incorrectly.  */
	      unlock_fail:
		gl_rwlock_unlock (domain->conversions_lock);
		return (char *) -1;
	      }

	    domain->conversions = new_conversions;

	    /* Copy the 'encoding' string to permanent storage.  */
	    encoding = strdup (encoding);
	    if (__builtin_expect (encoding == NULL, 0))
	      /* Nothing we can do, no more memory.  We cannot use the
		 translation because it might be encoded incorrectly.  */
	      goto unlock_fail;

	    convd = &new_conversions[nconversions];
	    convd->encoding = encoding;

	    /* Find out about the character set the file is encoded with.
	       This can be found (in textual form) in the entry "".  If this
	       entry does not exist or if this does not contain the 'charset='
	       information, we will assume the charset matches the one the
	       current locale and we don't have to perform any conversion.  */
# ifdef _LIBC
	    convd->conv = (__gconv_t) -1;
# else
#  if HAVE_ICONV
	    convd->conv = (iconv_t) -1;
#  endif
# endif
	    {
	      char *nullentry;
	      size_t nullentrylen;

	      /* Get the header entry.  This is a recursion, but it doesn't
		 reallocate domain->conversions because we pass
		 encoding = NULL or convert = 0, respectively.  */
	      nullentry =
# ifdef IN_LIBGLOCALE
		_nl_find_msg (domain_file, domainbinding, NULL, "",
			      &nullentrylen);
# else
		_nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen);
# endif

	      /* Resource problems are fatal.  If we continue onwards we will
	         only attempt to calloc a new conv_tab and fail later.  */
	      if (__builtin_expect (nullentry == (char *) -1, 0))
	        return (char *) -1;

	      if (nullentry != NULL)
		{
		  const char *charsetstr;

		  charsetstr = strstr (nullentry, "charset=");
		  if (charsetstr != NULL)
		    {
		      size_t len;
		      char *charset;
		      const char *outcharset;

		      charsetstr += strlen ("charset=");
		      len = strcspn (charsetstr, " \t\n");

		      charset = (char *) alloca (len + 1);
# if defined _LIBC || HAVE_MEMPCPY
		      *((char *) mempcpy (charset, charsetstr, len)) = '\0';
# else
		      memcpy (charset, charsetstr, len);
		      charset[len] = '\0';
# endif

		      outcharset = encoding;

# ifdef _LIBC
		      /* We always want to use transliteration.  */
		      outcharset = norm_add_slashes (outcharset, "TRANSLIT");
		      charset = norm_add_slashes (charset, "");
		      int r = __gconv_open (outcharset, charset, &convd->conv,
					    GCONV_AVOID_NOCONV);
		      if (__builtin_expect (r != __GCONV_OK, 0))
			{
			  /* If the output encoding is the same there is
			     nothing to do.  Otherwise do not use the
			     translation at all.  */
			  if (__builtin_expect (r != __GCONV_NULCONV, 1))
			    {
			      gl_rwlock_unlock (domain->conversions_lock);
			      free ((char *) encoding);
			      return NULL;
			    }

			  convd->conv = (__gconv_t) -1;
			}
# else
#  if HAVE_ICONV
		      /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5,
			 we want to use transliteration.  */
#   if (((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2) \
	&& !defined __UCLIBC__) \
       || _LIBICONV_VERSION >= 0x0105
		      if (strchr (outcharset, '/') == NULL)
			{
			  char *tmp;

			  len = strlen (outcharset);
			  tmp = (char *) alloca (len + 10 + 1);
			  memcpy (tmp, outcharset, len);
			  memcpy (tmp + len, "//TRANSLIT", 10 + 1);
			  outcharset = tmp;

			  convd->conv = iconv_open (outcharset, charset);

			  freea (outcharset);
			}
		      else
#   endif
			convd->conv = iconv_open (outcharset, charset);
#  endif
# endif

		      freea (charset);
		    }
		}
	    }
	    convd->conv_tab = NULL;
	    /* Here domain->conversions is still == new_conversions.  */
	    domain->nconversions++;
	  }

	found_convd:
	  gl_rwlock_unlock (domain->conversions_lock);
	}

      if (
# ifdef _LIBC
	  convd->conv != (__gconv_t) -1
# else
#  if HAVE_ICONV
	  convd->conv != (iconv_t) -1
#  endif
# endif
	  )
	{
	  /* We are supposed to do a conversion.  First allocate an
	     appropriate table with the same structure as the table
	     of translations in the file, where we can put the pointers
	     to the converted strings in.
	     There is a slight complication with plural entries.  They
	     are represented by consecutive NUL terminated strings.  We
	     handle this case by converting RESULTLEN bytes, including
	     NULs.  */

	  /* This lock primarily protects the memory management variables
	     freemem, freemem_size.  It also protects write accesses to
	     convd->conv_tab.  It's not worth using a separate lock (such
	     as domain->conversions_lock) for this purpose, because when
	     modifying convd->conv_tab, we also need to lock freemem,
	     freemem_size for most of the time.  */
	  __libc_lock_define_initialized (static, lock)

	  if (__builtin_expect (convd->conv_tab == NULL, 0))
	    {
	      __libc_lock_lock (lock);
	      if (convd->conv_tab == NULL)
		{
		  convd->conv_tab =
		    (char **) calloc (nstrings + domain->n_sysdep_strings,
				      sizeof (char *));
		  if (convd->conv_tab != NULL)
		    goto not_translated_yet;
		  /* Mark that we didn't succeed allocating a table.  */
		  convd->conv_tab = (char **) -1;
		}
	      __libc_lock_unlock (lock);
	    }

	  if (__builtin_expect (convd->conv_tab == (char **) -1, 0))
	    /* Nothing we can do, no more memory.  We cannot use the
	       translation because it might be encoded incorrectly.  */
	    return (char *) -1;

	  if (convd->conv_tab[act] == NULL)
	    {
	      /* We haven't used this string so far, so it is not
		 translated yet.  Do this now.  */
	      /* We use a bit more efficient memory handling.
		 We allocate always larger blocks which get used over
		 time.  This is faster than many small allocations.   */
# define INITIAL_BLOCK_SIZE	4080
	      static unsigned char *freemem;
	      static size_t freemem_size;

	      const unsigned char *inbuf;
	      unsigned char *outbuf;
	      int malloc_count;
# ifndef _LIBC
	      transmem_block_t *transmem_list;
# endif

	      __libc_lock_lock (lock);
	    not_translated_yet:

	      inbuf = (const unsigned char *) result;
	      outbuf = freemem + sizeof (size_t);
# ifndef _LIBC
	      transmem_list = NULL;
# endif

	      malloc_count = 0;
	      while (1)
		{
		  transmem_block_t *newmem;
# ifdef _LIBC
		  size_t non_reversible;
		  int res;

		  if (freemem_size < sizeof (size_t))
		    goto resize_freemem;

		  res = __gconv (convd->conv,
				 &inbuf, inbuf + resultlen,
				 &outbuf,
				 outbuf + freemem_size - sizeof (size_t),
				 &non_reversible);

		  if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT)
		    break;

		  if (res != __GCONV_FULL_OUTPUT)
		    {
		      /* We should not use the translation at all, it
			 is incorrectly encoded.  */
		      __libc_lock_unlock (lock);
		      return NULL;
		    }

		  inbuf = (const unsigned char *) result;
# else
#  if HAVE_ICONV
		  const char *inptr = (const char *) inbuf;
		  size_t inleft = resultlen;
		  char *outptr = (char *) outbuf;
		  size_t outleft;

		  if (freemem_size < sizeof (size_t))
		    goto resize_freemem;

		  outleft = freemem_size - sizeof (size_t);
		  if (iconv (convd->conv,
			     (ICONV_CONST char **) &inptr, &inleft,
			     &outptr, &outleft)
		      != (size_t) (-1))
		    {
		      outbuf = (unsigned char *) outptr;
		      break;
		    }
		  if (errno != E2BIG)
		    {
		      __libc_lock_unlock (lock);
		      return NULL;
		    }
#  endif
# endif

		resize_freemem:
		  /* We must allocate a new buffer or resize the old one.  */
		  if (malloc_count > 0)
		    {
		      ++malloc_count;
		      freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
		      newmem = (transmem_block_t *) realloc (transmem_list,
							     freemem_size);
# ifdef _LIBC
		      if (newmem != NULL)
			transmem_list = newmem;
		      else
			{
			  struct transmem_list *old = transmem_list;

			  transmem_list = transmem_list->next;
			  free (old);
			}
# endif
		    }
		  else
		    {
		      malloc_count = 1;
		      freemem_size = INITIAL_BLOCK_SIZE;
		      newmem = (transmem_block_t *) malloc (freemem_size);
# ifdef _LIBC
		      if (newmem != NULL)
			{
			  /* Add the block to the list of blocks we have to free
			     at some point.  */
			  newmem->next = transmem_list;
			  transmem_list = newmem;
			}
		      /* Fall through and return -1.  */
# endif
		    }
		  if (__builtin_expect (newmem == NULL, 0))
		    {
		      freemem = NULL;
		      freemem_size = 0;
		      __libc_lock_unlock (lock);
		      return (char *) -1;
		    }

# ifdef _LIBC
		  freemem = (unsigned char *) newmem->data;
		  freemem_size -= offsetof (struct transmem_list, data);
# else
		  transmem_list = newmem;
		  freemem = newmem;
# endif

		  outbuf = freemem + sizeof (size_t);
		}

	      /* We have now in our buffer a converted string.  Put this
		 into the table of conversions.  */
	      *(size_t *) freemem = outbuf - freemem - sizeof (size_t);
	      convd->conv_tab[act] = (char *) freemem;
	      /* Shrink freemem, but keep it aligned.  */
	      freemem_size -= outbuf - freemem;
	      freemem = outbuf;
	      freemem += freemem_size & (alignof (size_t) - 1);
	      freemem_size = freemem_size & ~ (alignof (size_t) - 1);

	      __libc_lock_unlock (lock);
	    }

	  /* Now convd->conv_tab[act] contains the translation of all
	     the plural variants.  */
	  result = convd->conv_tab[act] + sizeof (size_t);
	  resultlen = *(size_t *) convd->conv_tab[act];
	}
    }

  /* The result string is converted.  */

#endif /* _LIBC || HAVE_ICONV */

  *lengthp = resultlen;
  return result;
}


/* Look up a plural variant.  */
static char *
internal_function
plural_lookup (struct loaded_l10nfile *domain, unsigned long int n,
	       const char *translation, size_t translation_len)
{
  struct loaded_domain *domaindata = (struct loaded_domain *) domain->data;
  unsigned long int index;
  const char *p;

  index = plural_eval (domaindata->plural, n);
  if (index >= domaindata->nplurals)
    /* This should never happen.  It means the plural expression and the
       given maximum value do not match.  */
    index = 0;

  /* Skip INDEX strings at TRANSLATION.  */
  p = translation;
  while (index-- > 0)
    {
#ifdef _LIBC
      p = __rawmemchr (p, '\0');
#else
      p = strchr (p, '\0');
#endif
      /* And skip over the NUL byte.  */
      p++;

      if (p >= translation + translation_len)
	/* This should never happen.  It means the plural expression
	   evaluated to a value larger than the number of variants
	   available for MSGID1.  */
	return (char *) translation;
    }
  return (char *) p;
}

#ifndef _LIBC
/* Return string representation of locale CATEGORY.  */
static const char *
internal_function
category_to_name (int category)
{
  const char *retval;

  switch (category)
  {
#ifdef LC_COLLATE
  case LC_COLLATE:
    retval = "LC_COLLATE";
    break;
#endif
#ifdef LC_CTYPE
  case LC_CTYPE:
    retval = "LC_CTYPE";
    break;
#endif
#ifdef LC_MONETARY
  case LC_MONETARY:
    retval = "LC_MONETARY";
    break;
#endif
#ifdef LC_NUMERIC
  case LC_NUMERIC:
    retval = "LC_NUMERIC";
    break;
#endif
#ifdef LC_TIME
  case LC_TIME:
    retval = "LC_TIME";
    break;
#endif
#ifdef LC_MESSAGES
  case LC_MESSAGES:
    retval = "LC_MESSAGES";
    break;
#endif
#ifdef LC_RESPONSE
  case LC_RESPONSE:
    retval = "LC_RESPONSE";
    break;
#endif
#ifdef LC_ALL
  case LC_ALL:
    /* This might not make sense but is perhaps better than any other
       value.  */
    retval = "LC_ALL";
    break;
#endif
  default:
    /* If you have a better idea for a default value let me know.  */
    retval = "LC_XXX";
  }

  return retval;
}
#endif

/* Guess value of current locale from value of the environment variables
   or system-dependent defaults.  */
static const char *
internal_function
#ifdef IN_LIBGLOCALE
guess_category_value (int category, const char *categoryname,
		      const char *locale)

#else
guess_category_value (int category, const char *categoryname)
#endif
{
  const char *language;
#ifndef IN_LIBGLOCALE
  const char *locale;
# ifndef _LIBC
  const char *language_default;
  int locale_defaulted;
# endif
#endif

  /* We use the settings in the following order:
     1. The value of the environment variable 'LANGUAGE'.  This is a GNU
        extension.  Its value can be a colon-separated list of locale names.
     2. The value of the environment variable 'LC_ALL', 'LC_xxx', or 'LANG'.
        More precisely, the first among these that is set to a non-empty value.
        This is how POSIX specifies it.  The value is a single locale name.
     3. A system-dependent preference list of languages.  Its value can be a
        colon-separated list of locale names.
     4. A system-dependent default locale name.
     This way:
       - System-dependent settings can be overridden by environment variables.
       - If the system provides both a list of languages and a default locale,
         the former is used.  */

#ifndef IN_LIBGLOCALE
  /* Fetch the locale name, through the POSIX method of looking to `LC_ALL',
     `LC_xxx', and `LANG'.  On some systems this can be done by the
     `setlocale' function itself.  */
# ifdef _LIBC
  locale = __current_locale_name (category);
# else
  locale_defaulted = 0;
#  if HAVE_USELOCALE
  locale = _nl_locale_name_thread_unsafe (category, categoryname);
  if (locale == NULL)
#  endif
    {
      locale = _nl_locale_name_posix (category, categoryname);
      if (locale == NULL)
	{
	  locale = _nl_locale_name_default ();
	  locale_defaulted = 1;
	}
    }
# endif
#endif

  /* Ignore LANGUAGE and its system-dependent analogon if the locale is set
     to "C" because
     1. "C" locale usually uses the ASCII encoding, and most international
	messages use non-ASCII characters. These characters get displayed
	as question marks (if using glibc's iconv()) or as invalid 8-bit
	characters (because other iconv()s refuse to convert most non-ASCII
	characters to ASCII). In any case, the output is ugly.
     2. The precise output of some programs in the "C" locale is specified
	by POSIX and should not depend on environment variables like
	"LANGUAGE" or system-dependent information.  We allow such programs
        to use gettext().  */
  if (strcmp (locale, "C") == 0)
    return locale;

  /* The highest priority value is the value of the 'LANGUAGE' environment
     variable.  */
  language = getenv ("LANGUAGE");
  if (language != NULL && language[0] != '\0')
    return language;
#if !defined IN_LIBGLOCALE && !defined _LIBC
  /* The next priority value is the locale name, if not defaulted.  */
  if (locale_defaulted)
    {
      /* The next priority value is the default language preferences list. */
      language_default = _nl_language_preferences_default ();
      if (language_default != NULL)
        return language_default;
    }
  /* The least priority value is the locale name, if defaulted.  */
#endif
  return locale;
}

#if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE
/* Returns the output charset.  */
static const char *
internal_function
get_output_charset (struct binding *domainbinding)
{
  /* The output charset should normally be determined by the locale.  But
     sometimes the locale is not used or not correctly set up, so we provide
     a possibility for the user to override this: the OUTPUT_CHARSET
     environment variable.  Moreover, the value specified through
     bind_textdomain_codeset overrides both.  */
  if (domainbinding != NULL && domainbinding->codeset != NULL)
    return domainbinding->codeset;
  else
    {
      /* For speed reasons, we look at the value of OUTPUT_CHARSET only
	 once.  This is a user variable that is not supposed to change
	 during a program run.  */
      static char *output_charset_cache;
      static int output_charset_cached;

      if (!output_charset_cached)
	{
	  const char *value = getenv ("OUTPUT_CHARSET");

	  if (value != NULL && value[0] != '\0')
	    {
	      size_t len = strlen (value) + 1;
	      char *value_copy = (char *) malloc (len);

	      if (value_copy != NULL)
		memcpy (value_copy, value, len);
	      output_charset_cache = value_copy;
	    }
	  output_charset_cached = 1;
	}

      if (output_charset_cache != NULL)
	return output_charset_cache;
      else
	{
# ifdef _LIBC
	  return _NL_CURRENT (LC_CTYPE, CODESET);
# else
#  if HAVE_ICONV
	  return locale_charset ();
#  endif
# endif
	}
    }
}
#endif

/* @@ begin of epilog @@ */

/* We don't want libintl.a to depend on any other library.  So we
   avoid the non-standard function stpcpy.  In GNU C Library this
   function is available, though.  Also allow the symbol HAVE_STPCPY
   to be defined.  */
#if !_LIBC && !HAVE_STPCPY
static char *
stpcpy (char *dest, const char *src)
{
  while ((*dest++ = *src++) != '\0')
    /* Do nothing. */ ;
  return dest - 1;
}
#endif

#if !_LIBC && !HAVE_MEMPCPY
static void *
mempcpy (void *dest, const void *src, size_t n)
{
  return (void *) ((char *) memcpy (dest, src, n) + n);
}
#endif

#if !_LIBC && !HAVE_TSEARCH
# include "tsearch.c"
#endif


#ifdef _LIBC
/* If we want to free all resources we have to do some work at
   program's end.  */
libc_freeres_fn (free_mem)
{
  void *old;

  while (_nl_domain_bindings != NULL)
    {
      struct binding *oldp = _nl_domain_bindings;
      _nl_domain_bindings = _nl_domain_bindings->next;
      if (oldp->dirname != _nl_default_dirname)
	/* Yes, this is a pointer comparison.  */
	free (oldp->dirname);
      free (oldp->codeset);
      free (oldp);
    }

  if (_nl_current_default_domain != _nl_default_default_domain)
    /* Yes, again a pointer comparison.  */
    free ((char *) _nl_current_default_domain);

  /* Remove the search tree with the known translations.  */
  __tdestroy (root, free);
  root = NULL;

  while (transmem_list != NULL)
    {
      old = transmem_list;
      transmem_list = transmem_list->next;
      free (old);
    }
}
#endif