1 /* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 1996.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library 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 GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
47 #include "catgetsinfo.h"
51 (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
62 struct message_list *next;
70 struct message_list *messages;
77 struct set_list *next;
83 struct set_list *all_sets;
84 struct set_list *current_set;
85 size_t total_messages;
89 struct obstack mem_pool;
93 /* If non-zero force creation of new file, not using existing one. */
96 /* Name of output file. */
97 static const char *output_name;
99 /* Name of generated C header file. */
100 static const char *header_name;
102 /* Name and version of program. */
103 static void print_version (FILE *stream, struct argp_state *state);
104 void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
108 /* Definitions of arguments for argp functions. */
109 static const struct argp_option options[] =
111 { "header", 'H', N_("NAME"), 0,
112 N_("Create C header file NAME containing symbol definitions") },
113 { "new", OPT_NEW, NULL, 0,
114 N_("Do not use existing catalog, force new output file") },
115 { "output", 'o', N_("NAME"), 0, N_("Write output to file NAME") },
116 { NULL, 0, NULL, 0, NULL }
119 /* Short description of program. */
120 static const char doc[] = N_("Generate message catalog.\
121 \vIf INPUT-FILE is -, input is read from standard input. If OUTPUT-FILE\n\
122 is -, output is written to standard output.\n");
124 /* Strings for arguments in help texts. */
125 static const char args_doc[] = N_("\
126 -o OUTPUT-FILE [INPUT-FILE]...\n[OUTPUT-FILE [INPUT-FILE]...]");
128 /* Prototype for option handler. */
129 static error_t parse_opt (int key, char *arg, struct argp_state *state);
131 /* Function to print some extra text in the help message. */
132 static char *more_help (int key, const char *text, void *input);
134 /* Data structure to communicate with argp functions. */
135 static struct argp argp =
137 options, parse_opt, args_doc, doc, NULL, more_help
141 /* Wrapper functions with error checking for standard functions. */
142 extern void *xmalloc (size_t n);
143 extern void *xcalloc (size_t n, size_t s);
144 extern void *xrealloc (void *o, size_t n);
145 extern char *xstrdup (const char *);
147 /* Prototypes for local functions. */
148 static void error_print (void);
149 static struct catalog *read_input_file (struct catalog *current,
151 static void write_out (struct catalog *result, const char *output_name,
152 const char *header_name);
153 static struct set_list *find_set (struct catalog *current, int number);
154 static void normalize_line (const char *fname, size_t line, iconv_t cd,
155 wchar_t *string, wchar_t quote_char,
156 wchar_t escape_char);
157 static void read_old (struct catalog *catalog, const char *file_name);
158 static int open_conversion (const char *codesetp, iconv_t *cd_towcp,
159 iconv_t *cd_tombp, wchar_t *escape_charp);
163 main (int argc, char *argv[])
165 struct catalog *result;
168 /* Set program name for messages. */
169 error_print_progname = error_print;
171 /* Set locale via LC_ALL. */
172 setlocale (LC_ALL, "");
174 /* Set the text message domain. */
175 textdomain (PACKAGE);
177 /* Initialize local variables. */
180 /* Parse and process arguments. */
181 argp_parse (&argp, argc, argv, 0, &remaining, NULL);
183 /* Determine output file. */
184 if (output_name == NULL)
185 output_name = remaining < argc ? argv[remaining++] : "-";
187 /* Process all input files. */
188 setlocale (LC_CTYPE, "C");
189 if (remaining < argc)
191 result = read_input_file (result, argv[remaining]);
192 while (++remaining < argc);
194 result = read_input_file (NULL, "-");
196 /* Write out the result. */
198 write_out (result, output_name, header_name);
204 /* Handle program arguments. */
206 parse_opt (int key, char *arg, struct argp_state *state)
220 return ARGP_ERR_UNKNOWN;
227 more_help (int key, const char *text, void *input)
231 case ARGP_KEY_HELP_EXTRA:
232 /* We print some extra information. */
233 return strdup (gettext ("\
234 Report bugs using the `glibcbug' script to <bugs@gnu.org>.\n"));
238 return (char *) text;
241 /* Print the version information. */
243 print_version (FILE *stream, struct argp_state *state)
245 fprintf (stream, "gencat (GNU %s) %s\n", PACKAGE, VERSION);
246 fprintf (stream, gettext ("\
247 Copyright (C) %s Free Software Foundation, Inc.\n\
248 This is free software; see the source for copying conditions. There is NO\n\
249 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
251 fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
255 /* The address of this function will be assigned to the hook in the
260 /* We don't want the program name to be printed in messages. Emacs'
261 compile.el does not like this. */
265 static struct catalog *
266 read_input_file (struct catalog *current, const char *fname)
274 iconv_t cd_towc = (iconv_t) -1;
275 iconv_t cd_tomb = (iconv_t) -1;
276 wchar_t escape_char = L'\\';
277 char *codeset = NULL;
279 if (strcmp (fname, "-") == 0 || strcmp (fname, "/dev/stdin") == 0)
282 fname = gettext ("*standard input*");
285 fp = fopen (fname, "r");
288 error (0, errno, gettext ("cannot open input file `%s'"), fname);
292 /* If we haven't seen anything yet, allocate result structure. */
295 current = (struct catalog *) xcalloc (1, sizeof (*current));
297 #define obstack_chunk_alloc malloc
298 #define obstack_chunk_free free
299 obstack_init (¤t->mem_pool);
301 current->current_set = find_set (current, NL_SETD);
309 wbuf = (wchar_t *) xmalloc (wbufsize);
315 size_t start_line = line_number + 1;
322 act_len = getline (&buf, &len, fp);
327 /* It the line continued? */
328 if (buf[act_len - 1] == '\n')
331 continued = buf[act_len - 1] == '\\';
338 /* Append to currently selected line. */
339 obstack_grow (¤t->mem_pool, buf, act_len);
343 obstack_1grow (¤t->mem_pool, '\0');
344 this_line = (char *) obstack_finish (¤t->mem_pool);
347 if (this_line[0] == '$')
349 if (isblank (this_line[1]))
352 while (isblank (this_line[cnt]))
354 if (strncmp (&this_line[cnt], "codeset=", 8) != 0)
355 /* This is a comment line. Do nothing. */;
356 else if (codeset != NULL)
357 /* Ignore multiple codeset. */;
362 while (this_line[cnt] != '\0' && !isspace (this_line[cnt]))
366 int len = cnt - start;
367 codeset = xmalloc (len + 1);
368 *((char *) mempcpy (codeset, &this_line[start], len))
373 else if (strncmp (&this_line[1], "set", 3) == 0)
375 int cnt = sizeof ("set");
377 const char *symbol = NULL;
378 while (isspace (this_line[cnt]))
381 if (isdigit (this_line[cnt]))
383 set_number = atol (&this_line[cnt]);
385 /* If the given number for the character set is
386 higher than any we used for symbolic set names
387 avoid clashing by using only higher numbers for
388 the following symbolic definitions. */
389 if (set_number > current->last_set)
390 current->last_set = set_number;
394 /* See whether it is a reasonable identifier. */
396 while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
401 /* No correct character found. */
402 error_at_line (0, 0, fname, start_line,
403 gettext ("illegal set number"));
408 /* We have found seomthing that looks like a
409 correct identifier. */
410 struct set_list *runp;
412 this_line[cnt] = '\0';
414 symbol = &this_line[start];
416 /* Test whether the identifier was already used. */
417 runp = current->all_sets;
419 if (runp->symbol != NULL
420 && strcmp (runp->symbol, symbol) == 0)
427 /* We cannot allow duplicate identifiers for
429 error_at_line (0, 0, fname, start_line,
430 gettext ("duplicate set definition"));
431 error_at_line (0, 0, runp->fname, runp->line,
433 this is the first definition"));
437 /* Allocate next free message set for identifier. */
438 set_number = ++current->last_set;
444 /* We found a legal set number. */
445 current->current_set = find_set (current, set_number);
448 current->current_set->symbol = symbol;
449 current->current_set->fname = fname;
450 current->current_set->line = start_line;
453 else if (strncmp (&this_line[1], "delset", 6) == 0)
455 int cnt = sizeof ("delset");
457 while (isspace (this_line[cnt]))
460 if (isdigit (this_line[cnt]))
462 size_t set_number = atol (&this_line[cnt]);
463 struct set_list *set;
465 /* Mark the message set with the given number as
467 set = find_set (current, set_number);
472 /* See whether it is a reasonable identifier. */
474 while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
479 error_at_line (0, 0, fname, start_line,
480 gettext ("illegal set number"));
486 struct set_list *runp;
488 this_line[cnt] = '\0';
490 symbol = &this_line[start];
492 /* We have a symbolic set name. This name must
493 appear somewhere else in the catalogs read so
496 for (runp = current->all_sets; runp != NULL;
499 if (strcmp (runp->symbol, symbol) == 0)
506 /* Name does not exist before. */
507 error_at_line (0, 0, fname, start_line,
508 gettext ("unknown set `%s'"), symbol);
512 else if (strncmp (&this_line[1], "quote", 5) == 0)
521 cnt = sizeof ("quote");
522 while (isspace (this_line[cnt]))
525 /* We need the conversion. */
526 if (cd_towc == (iconv_t) -1
527 && open_conversion (codeset, &cd_towc, &cd_tomb,
529 /* Something is wrong. */
532 /* Yes, the quote char can be '\0'; this means no quote
533 char. The function using the information works on
534 wide characters so we have to convert it here. */
535 buf[0] = this_line[cnt];
540 wbufptr = (char *) wbuf;
543 /* Flush the state. */
544 iconv (cd_towc, NULL, NULL, NULL, NULL);
546 iconv (cd_towc, &bufptr, &buflen, &wbufptr, &wbuflen);
547 if (buflen != 0 || (wchar_t *) wbufptr != &wbuf[2])
548 error_at_line (0, 0, fname, start_line,
549 gettext ("invalid quote character"));
551 /* Use the converted wide character. */
552 current->quote_char = wbuf[0];
558 while (this_line[cnt] != '\0' && !isspace (this_line[cnt]))
560 this_line[cnt] = '\0';
561 error_at_line (0, 0, fname, start_line,
562 gettext ("unknown directive `%s': line ignored"),
566 else if (isalnum (this_line[0]) || this_line[0] == '_')
568 const char *ident = this_line;
573 while (this_line[0] != '\0' && !isspace (this_line[0]));
574 if (this_line[0] != '\0')
575 *this_line++ = '\0'; /* Terminate the identifier. */
577 /* Now we found the beginning of the message itself. */
579 if (isdigit (ident[0]))
581 struct message_list *runp;
582 struct message_list *lastp;
584 message_number = atoi (ident);
586 /* Find location to insert the new message. */
587 runp = current->current_set->messages;
590 if (runp->number == message_number)
599 /* Oh, oh. There is already a message with this
600 number in the message set. */
601 error_at_line (0, 0, fname, start_line,
602 gettext ("duplicated message number"));
603 error_at_line (0, 0, runp->fname, runp->line,
604 gettext ("this is the first definition"));
607 ident = NULL; /* We don't have a symbol. */
609 if (message_number != 0
610 && message_number > current->current_set->last_message)
611 current->current_set->last_message = message_number;
613 else if (ident[0] != '\0')
615 struct message_list *runp;
616 struct message_list *lastp;
618 /* Test whether the symbolic name was not used for
619 another message in this message set. */
620 runp = current->current_set->messages;
623 if (runp->symbol != NULL && strcmp (ident, runp->symbol) == 0)
629 /* The name is already used. */
630 error_at_line (0, 0, fname, start_line, gettext ("\
631 duplicated message identifier"));
632 error_at_line (0, 0, runp->fname, runp->line,
633 gettext ("this is the first definition"));
637 /* Give the message the next unused number. */
638 message_number = ++current->current_set->last_message;
643 if (message_number != 0)
649 struct message_list *newp;
650 size_t this_line_len = strlen (this_line) + 1;
652 /* We need the conversion. */
653 if (cd_towc == (iconv_t) -1
654 && open_conversion (codeset, &cd_towc, &cd_tomb,
656 /* Something is wrong. */
659 /* Convert to a wide character string. We have to
660 interpret escape sequences which will be impossible
661 without doing the conversion if the codeset of the
662 message is stateful. */
666 inlen = this_line_len;
667 outbuf = (char *) wbuf;
670 /* Flush the state. */
671 iconv (cd_towc, NULL, NULL, NULL, NULL);
673 iconv (cd_towc, &inbuf, &inlen, &outbuf, &outlen);
676 /* The string is converted. */
677 assert (outlen < wbufsize);
678 assert (wbuf[(wbufsize - outlen) / sizeof (wchar_t) - 1]
685 /* Something is wrong with this string, we ignore it. */
686 error_at_line (0, 0, fname, start_line, gettext ("\
687 invalid character: message ignored"));
691 /* The output buffer is too small. */
693 wbuf = (wchar_t *) xrealloc (wbuf, wbufsize);
696 used = 1; /* Yes, we use the line. */
698 /* Strip quote characters, change escape sequences into
699 correct characters etc. */
700 normalize_line (fname, start_line, cd_towc, wbuf,
701 current->quote_char, escape_char);
703 /* Now the string is free of escape sequences. Convert it
704 back into a multibyte character string. First free the
705 memory allocated for the original string. */
706 obstack_free (¤t->mem_pool, this_line);
708 /* Now fill in the new string. It should never happen that
709 the replaced string is longer than the original. */
710 inbuf = (char *) wbuf;
711 inlen = (wcslen (wbuf) + 1) * sizeof (wchar_t);
713 outlen = obstack_room (¤t->mem_pool);
714 start_line = (char *) obstack_alloc (¤t->mem_pool, outlen);
717 /* Flush the state. */
718 iconv (cd_tomb, NULL, NULL, NULL, NULL);
720 iconv (cd_tomb, &inbuf, &inlen, &outbuf, &outlen);
723 error_at_line (0, 0, fname, start_line,
724 gettext ("invalid line"));
727 assert (outbuf[-1] == '\0');
729 /* Free the memory in the obstack we don't use. */
730 obstack_free (¤t->mem_pool, outbuf);
732 newp = (struct message_list *) xmalloc (sizeof (*newp));
733 newp->number = message_number;
734 newp->message = this_line;
735 /* Remember symbolic name; is NULL if no is given. */
736 newp->symbol = ident;
737 /* Remember where we found the character. */
739 newp->line = start_line;
741 /* Find place to insert to message. We keep them in a
742 sorted single linked list. */
743 if (current->current_set->messages == NULL
744 || current->current_set->messages->number > message_number)
746 newp->next = current->current_set->messages;
747 current->current_set->messages = newp;
751 struct message_list *runp;
752 runp = current->current_set->messages;
753 while (runp->next != NULL)
754 if (runp->next->number > message_number)
758 newp->next = runp->next;
762 ++current->total_messages;
769 /* See whether we have any non-white space character in this
771 while (this_line[cnt] != '\0' && isspace (this_line[cnt]))
774 if (this_line[cnt] != '\0')
775 /* Yes, some unknown characters found. */
776 error_at_line (0, 0, fname, start_line,
777 gettext ("malformed line ignored"));
781 /* We can save the memory for the line if it was not used. */
783 obstack_free (¤t->mem_pool, this_line);
786 /* Close the conversion modules. */
787 iconv_close (cd_towc);
788 iconv_close (cd_tomb);
801 write_out (struct catalog *catalog, const char *output_name,
802 const char *header_name)
804 /* Computing the "optimal" size. */
805 struct set_list *set_run;
806 size_t best_total, best_size, best_depth;
807 size_t act_size, act_depth;
808 struct catalog_obj obj;
809 struct obstack string_pool;
812 uint32_t *array1, *array2;
816 /* If not otherwise told try to read file with existing
819 read_old (catalog, output_name);
821 /* Initialize best_size with a very high value. */
822 best_total = best_size = best_depth = UINT_MAX;
824 /* We need some start size for testing. Let's start with
825 TOTAL_MESSAGES / 5, which theoretically provides a mean depth of
827 act_size = 1 + catalog->total_messages / 5;
829 /* We determine the size of a hash table here. Because the message
830 numbers can be chosen arbitrary by the programmer we cannot use
831 the simple method of accessing the array using the message
832 number. The algorithm is based on the trivial hash function
833 NUMBER % TABLE_SIZE, where collisions are stored in a second
834 dimension up to TABLE_DEPTH. We here compute TABLE_SIZE so that
835 the needed space (= TABLE_SIZE * TABLE_DEPTH) is minimal. */
836 while (act_size <= best_total)
838 size_t deep[act_size];
841 memset (deep, '\0', act_size * sizeof (size_t));
842 set_run = catalog->all_sets;
843 while (set_run != NULL)
845 struct message_list *message_run;
847 message_run = set_run->messages;
848 while (message_run != NULL)
850 size_t idx = (message_run->number * set_run->number) % act_size;
853 if (deep[idx] > act_depth)
855 act_depth = deep[idx];
856 if (act_depth * act_size > best_total)
859 message_run = message_run->next;
861 set_run = set_run->next;
864 if (act_depth * act_size <= best_total)
866 /* We have found a better solution. */
867 best_total = act_depth * act_size;
868 best_size = act_size;
869 best_depth = act_depth;
875 /* let's be prepared for an empty message file. */
876 if (best_size == UINT_MAX)
882 /* OK, now we have the size we will use. Fill in the header, build
883 the table and the second one with swapped byte order. */
884 obj.magic = CATGETS_MAGIC;
885 obj.plane_size = best_size;
886 obj.plane_depth = best_depth;
888 /* Allocate room for all needed arrays. */
890 (uint32_t *) alloca (best_size * best_depth * sizeof (uint32_t) * 3);
891 memset (array1, '\0', best_size * best_depth * sizeof (uint32_t) * 3);
893 = (uint32_t *) alloca (best_size * best_depth * sizeof (uint32_t) * 3);
894 obstack_init (&string_pool);
896 set_run = catalog->all_sets;
897 while (set_run != NULL)
899 struct message_list *message_run;
901 message_run = set_run->messages;
902 while (message_run != NULL)
904 size_t idx = (((message_run->number * set_run->number) % best_size)
906 /* Determine collision depth. */
907 while (array1[idx] != 0)
908 idx += best_size * 3;
910 /* Store set number, message number and pointer into string
911 space, relative to the first string. */
912 array1[idx + 0] = set_run->number;
913 array1[idx + 1] = message_run->number;
914 array1[idx + 2] = obstack_object_size (&string_pool);
916 /* Add current string to the continuous space containing all
918 obstack_grow0 (&string_pool, message_run->message,
919 strlen (message_run->message));
921 message_run = message_run->next;
924 set_run = set_run->next;
926 strings_size = obstack_object_size (&string_pool);
927 strings = obstack_finish (&string_pool);
929 /* Compute ARRAY2 by changing the byte order. */
930 for (cnt = 0; cnt < best_size * best_depth * 3; ++cnt)
931 array2[cnt] = SWAPU32 (array1[cnt]);
933 /* Now we can write out the whole data. */
934 if (strcmp (output_name, "-") == 0
935 || strcmp (output_name, "/dev/stdout") == 0)
939 fd = creat (output_name, 0666);
941 error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"),
945 /* Write out header. */
946 write (fd, &obj, sizeof (obj));
948 /* We always write out the little endian version of the index
950 #if __BYTE_ORDER == __LITTLE_ENDIAN
951 write (fd, array1, best_size * best_depth * sizeof (uint32_t) * 3);
952 write (fd, array2, best_size * best_depth * sizeof (uint32_t) * 3);
953 #elif __BYTE_ORDER == __BIG_ENDIAN
954 write (fd, array2, best_size * best_depth * sizeof (uint32_t) * 3);
955 write (fd, array1, best_size * best_depth * sizeof (uint32_t) * 3);
957 # error Cannot handle __BYTE_ORDER byte order
960 /* Finally write the strings. */
961 write (fd, strings, strings_size);
963 if (fd != STDOUT_FILENO)
966 /* If requested now write out the header file. */
967 if (header_name != NULL)
972 /* Open output file. "-" or "/dev/stdout" means write to
974 if (strcmp (header_name, "-") == 0
975 || strcmp (header_name, "/dev/stdout") == 0)
979 fp = fopen (header_name, "w");
981 error (EXIT_FAILURE, errno,
982 gettext ("cannot open output file `%s'"), header_name);
985 /* Iterate over all sets and all messages. */
986 set_run = catalog->all_sets;
987 while (set_run != NULL)
989 struct message_list *message_run;
991 /* If the current message set has a symbolic name write this
993 if (set_run->symbol != NULL)
994 fprintf (fp, "%s#define %sSet %#x\t/* %s:%Zu */\n",
995 first ? "" : "\n", set_run->symbol, set_run->number - 1,
996 set_run->fname, set_run->line);
999 message_run = set_run->messages;
1000 while (message_run != NULL)
1002 /* If the current message has a symbolic name write
1003 #define out. But we have to take care for the set
1004 not having a symbolic name. */
1005 if (message_run->symbol != NULL)
1007 if (set_run->symbol == NULL)
1008 fprintf (fp, "#define AutomaticSet%d%s %#x\t/* %s:%Zu */\n",
1009 set_run->number, message_run->symbol,
1010 message_run->number, message_run->fname,
1013 fprintf (fp, "#define %s%s %#x\t/* %s:%Zu */\n",
1014 set_run->symbol, message_run->symbol,
1015 message_run->number, message_run->fname,
1019 message_run = message_run->next;
1022 set_run = set_run->next;
1031 static struct set_list *
1032 find_set (struct catalog *current, int number)
1034 struct set_list *result = current->all_sets;
1036 /* We must avoid set number 0 because a set of this number signals
1037 in the tables that the entry is not occupied. */
1040 while (result != NULL)
1041 if (result->number == number)
1044 result = result->next;
1046 /* Prepare new message set. */
1047 result = (struct set_list *) xcalloc (1, sizeof (*result));
1048 result->number = number;
1049 result->next = current->all_sets;
1050 current->all_sets = result;
1056 /* Normalize given string *in*place* by processing escape sequences
1057 and quote characters. */
1059 normalize_line (const char *fname, size_t line, iconv_t cd, wchar_t *string,
1060 wchar_t quote_char, wchar_t escape_char)
1063 wchar_t *rp = string;
1064 wchar_t *wp = string;
1066 if (quote_char != L'\0' && *rp == quote_char)
1074 while (*rp != L'\0')
1075 if (*rp == quote_char)
1076 /* We simply end the string when we find the first time an
1077 not-escaped quote character. */
1079 else if (*rp == escape_char)
1082 if (quote_char != L'\0' && *rp == quote_char)
1083 /* This is an extension to XPG. */
1086 /* Recognize escape sequences. */
1123 number = *rp++ - L'0';
1124 while (number <= (255 / 8) && *rp >= L'0' && *rp <= L'7')
1127 number += *rp++ - L'0';
1130 cbuf[0] = (char) number;
1135 wcbufptr = (char *) wcbuf;
1136 wcbufin = sizeof (wcbuf);
1138 /* Flush the state. */
1139 iconv (cd, NULL, NULL, NULL, NULL);
1141 iconv (cd, &cbufptr, &cbufin, &wcbufptr, &wcbufin);
1142 if (cbufptr != &cbuf[2] || (wchar_t *) wcbufptr != &wcbuf[2])
1143 error_at_line (0, 0, fname, line,
1144 gettext ("invalid escape sequence"));
1150 if (*rp == escape_char)
1152 *wp++ = escape_char;
1156 /* Simply ignore the backslash character. */;
1163 /* If we saw a quote character at the beginning we expect another
1165 if (is_quoted && *rp != quote_char)
1166 error_at_line (0, 0, fname, line, gettext ("unterminated message"));
1168 /* Terminate string. */
1175 read_old (struct catalog *catalog, const char *file_name)
1177 struct catalog_info old_cat_obj;
1178 struct set_list *set = NULL;
1182 old_cat_obj.status = closed;
1183 old_cat_obj.cat_name = file_name;
1184 old_cat_obj.nlspath = NULL;
1185 __libc_lock_init (old_cat_obj.lock);
1187 /* Try to open catalog, but don't look through the NLSPATH. */
1188 __open_catalog (&old_cat_obj);
1190 if (old_cat_obj.status != mmapped && old_cat_obj.status != malloced)
1192 if (errno == ENOENT)
1193 /* No problem, the catalog simply does not exist. */
1196 error (EXIT_FAILURE, errno, gettext ("while opening old catalog file"));
1199 /* OK, we have the catalog loaded. Now read all messages and merge
1200 them. When set and message number clash for any message the new
1201 one is used. If the new one is empty it indicates that the
1202 message should be deleted. */
1203 for (cnt = 0; cnt < old_cat_obj.plane_size * old_cat_obj.plane_depth; ++cnt)
1205 struct message_list *message, *last;
1207 if (old_cat_obj.name_ptr[cnt * 3 + 0] == 0)
1208 /* No message in this slot. */
1211 if (old_cat_obj.name_ptr[cnt * 3 + 0] - 1 != (uint32_t) last_set)
1213 last_set = old_cat_obj.name_ptr[cnt * 3 + 0] - 1;
1214 set = find_set (catalog, old_cat_obj.name_ptr[cnt * 3 + 0] - 1);
1218 message = set->messages;
1219 while (message != NULL)
1221 if ((uint32_t) message->number >= old_cat_obj.name_ptr[cnt * 3 + 1])
1224 message = message->next;
1228 || (uint32_t) message->number > old_cat_obj.name_ptr[cnt * 3 + 1])
1230 /* We have found a message which is not yet in the catalog.
1231 Insert it at the right position. */
1232 struct message_list *newp;
1234 newp = (struct message_list *) xmalloc (sizeof(*newp));
1235 newp->number = old_cat_obj.name_ptr[cnt * 3 + 1];
1237 &old_cat_obj.strings[old_cat_obj.name_ptr[cnt * 3 + 2]];
1240 newp->symbol = NULL;
1241 newp->next = message;
1244 set->messages = newp;
1248 ++catalog->total_messages;
1250 else if (*message->message == '\0')
1252 /* The new empty message has overridden the old one thus
1253 "deleting" it as required. Now remove the empty remains. */
1255 set->messages = message->next;
1257 last->next = message->next;
1264 open_conversion (const char *codeset, iconv_t *cd_towcp, iconv_t *cd_tombp,
1265 wchar_t *escape_charp)
1274 /* If the input file does not specify the codeset use the locale's. */
1275 if (codeset == NULL)
1277 setlocale (LC_ALL, "");
1278 codeset = nl_langinfo (CODESET);
1279 setlocale (LC_ALL, "C");
1282 /* Get the conversion modules. */
1283 *cd_towcp = iconv_open ("WCHAR_T", codeset);
1284 *cd_tombp = iconv_open (codeset, "WCHAR_T");
1285 if (*cd_towcp == (iconv_t) -1 || *cd_tombp == (iconv_t) -1)
1287 error (0, 0, gettext ("conversion modules not available"));
1288 if (*cd_towcp != (iconv_t) -1)
1289 iconv_close (*cd_towcp);
1294 /* One special case for historical reasons is the backslash
1295 character. In some codesets the byte value 0x5c is not mapped to
1296 U005c in Unicode. These charsets then don't have a backslash
1297 character at all. Therefore we have to live with whatever the
1298 codeset provides and recognize, instead of the U005c, the character
1299 the byte value 0x5c is mapped to. */
1305 wbufptr = (char *) wbuf;
1306 wbufsize = sizeof (wbuf);
1308 iconv (*cd_towcp, &bufptr, &bufsize, &wbufptr, &wbufsize);
1309 if (bufsize != 0 || wbufsize != 0)
1311 /* Something went wrong, we couldn't convert the byte 0x5c. Go
1312 on with using U005c. */
1313 error (0, 0, gettext ("cannot determine escape character"));
1314 *escape_charp = L'\\';
1317 *escape_charp = wbuf[0];