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-rw-r--r--catgets/gencat.c1030
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diff --git a/catgets/gencat.c b/catgets/gencat.c
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--- /dev/null
+++ b/catgets/gencat.c
@@ -0,0 +1,1030 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <ctype.h>
+#include <endian.h>
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <libintl.h>
+#include <limits.h>
+#include <nl_types.h>
+#include <obstack.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "version.h"
+
+#include "catgetsinfo.h"
+
+
+#define SWAPU32(w) \
+ (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
+
+struct message_list
+{
+ int number;
+ const char *message;
+
+ const char *fname;
+ size_t line;
+ const char *symbol;
+
+ struct message_list *next;
+};
+
+
+struct set_list
+{
+ int number;
+ int deleted;
+ struct message_list *messages;
+ int last_message;
+
+ const char *fname;
+ size_t line;
+ const char *symbol;
+
+ struct set_list *next;
+};
+
+
+struct catalog
+{
+ struct set_list *all_sets;
+ struct set_list *current_set;
+ size_t total_messages;
+ char quote_char;
+ int last_set;
+
+ struct obstack mem_pool;
+};
+
+
+/* If non-zero force creation of new file, not using existing one. */
+static int force_new;
+
+/* Long options. */
+static const struct option long_options[] =
+{
+ { "header", required_argument, NULL, 'H' },
+ { "help", no_argument, NULL, 'h' },
+ { "new", no_argument, &force_new, 1 },
+ { "output", required_argument, NULL, 'o' },
+ { "version", no_argument, NULL, 'V' },
+ { NULL, 0, NULL, 0 }
+};
+
+/* Wrapper functions with error checking for standard functions. */
+extern void *xmalloc (size_t n);
+
+/* Prototypes for local functions. */
+static void usage (int status) __attribute__ ((noreturn));
+static void error_print (void);
+static struct catalog *read_input_file (struct catalog *current,
+ const char *fname);
+static void write_out (struct catalog *result, const char *output_name,
+ const char *header_name);
+static struct set_list *find_set (struct catalog *current, int number);
+static void normalize_line (const char *fname, size_t line, char *string,
+ char quote_char);
+static void read_old (struct catalog *catalog, const char *file_name);
+
+
+int
+main (int argc, char *argv[])
+{
+ struct catalog *result;
+ const char *output_name;
+ const char *header_name;
+ int do_help;
+ int do_version;
+ int opt;
+
+ /* Set program name for messages. */
+ error_print_progname = error_print;
+
+ /* Set locale via LC_ALL. */
+ setlocale (LC_ALL, "");
+
+ /* Set the text message domain. */
+ textdomain (PACKAGE);
+
+ /* Initialize local variables. */
+ do_help = 0;
+ do_version = 0;
+ output_name = NULL;
+ header_name = NULL;
+ result = NULL;
+
+ while ((opt = getopt_long (argc, argv, "hH:o:V", long_options, NULL)) != EOF)
+ switch (opt)
+ {
+ case '\0': /* Long option. */
+ break;
+ case 'h':
+ do_help = 1;
+ break;
+ case 'H':
+ header_name = optarg;
+ break;
+ case 'o':
+ output_name = optarg;
+ break;
+ case 'V':
+ do_version = 1;
+ break;
+ default:
+ usage (EXIT_FAILURE);
+ }
+
+ /* Version information is requested. */
+ if (do_version)
+ {
+ fprintf (stderr, "%s - GNU %s %s\n", program_invocation_name,
+ PACKAGE, VERSION);
+ exit (EXIT_SUCCESS);
+ }
+
+ /* Help is requested. */
+ if (do_help)
+ usage (EXIT_SUCCESS);
+
+ /* Determine output file. */
+ if (output_name == NULL)
+ output_name = optind < argc ? argv[optind++] : "-";
+
+ /* Process all input files. */
+ setlocale (LC_CTYPE, "C");
+ if (optind < argc)
+ do
+ result = read_input_file (result, argv[optind]);
+ while (++optind < argc);
+ else
+ result = read_input_file (NULL, "-");
+
+ /* Write out the result. */
+ if (result != NULL)
+ write_out (result, output_name, header_name);
+
+ exit (EXIT_SUCCESS);
+}
+
+
+static void
+usage (int status)
+{
+ if (status != EXIT_SUCCESS)
+ fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
+ program_invocation_name);
+ else
+ printf(gettext ("\
+Usage: %s [OPTION]... -o OUTPUT-FILE [INPUT-FILE]...\n\
+ %s [OPTION]... [OUTPUT-FILE [INPUT-FILE]...]\n\
+Mandatory arguments to long options are mandatory for short options too.\n\
+ -H, --header create C header file containing symbol definitions\n\
+ -h, --help display this help and exit\n\
+ --new do not use existing catalog, force new output file\n\
+ -o, --output=NAME write output to file NAME\n\
+ -V, --version output version information and exit\n\
+If INPUT-FILE is -, input is read from standard input. If OUTPUT-FILE\n\
+is -, output is written to standard output.\n"),
+ program_invocation_name, program_invocation_name);
+
+ exit (status);
+}
+
+
+/* The address of this function will be assigned to the hook in the
+ error functions. */
+static void
+error_print ()
+{
+ /* We don't want the program name to be printed in messages. Emacs'
+ compile.el does not like this. */
+}
+
+
+static struct catalog *
+read_input_file (struct catalog *current, const char *fname)
+{
+ FILE *fp;
+ char *buf;
+ size_t len;
+ size_t line_number;
+
+ if (strcmp (fname, "-") == 0 || strcmp (fname, "/dev/stdin") == 0)
+ {
+ fp = stdin;
+ fname = gettext ("*standard input*");
+ }
+ else
+ fp = fopen (fname, "r");
+ if (fp == NULL)
+ {
+ error (0, errno, gettext ("cannot open input file `%s'"), fname);
+ return current;
+ }
+
+ /* If we haven't seen anything yet, allocate result structure. */
+ if (current == NULL)
+ {
+ current = (struct catalog *) xmalloc (sizeof (*current));
+
+ current->all_sets = NULL;
+ current->total_messages = 0;
+ current->last_set = 0;
+ current->current_set = find_set (current, NL_SETD);
+
+#define obstack_chunk_alloc xmalloc
+#define obstack_chunk_free free
+ obstack_init (&current->mem_pool);
+ }
+
+ buf = NULL;
+ len = 0;
+ line_number = 0;
+ while (!feof (fp))
+ {
+ int continued;
+ int used;
+ size_t start_line = line_number + 1;
+ char *this_line;
+
+ do
+ {
+ int act_len;
+
+ act_len = getline (&buf, &len, fp);
+ if (act_len <= 0)
+ break;
+ ++line_number;
+
+ /* It the line continued? */
+ if (buf[act_len - 1] == '\n')
+ {
+ --act_len;
+ continued = buf[act_len - 1] == '\\';
+ if (continued)
+ --act_len;
+ }
+ else
+ continued = 0;
+
+ /* Append to currently selected line. */
+ obstack_grow (&current->mem_pool, buf, act_len);
+ }
+ while (continued);
+
+ obstack_1grow (&current->mem_pool, '\0');
+ this_line = (char *) obstack_finish (&current->mem_pool);
+
+ used = 0;
+ if (this_line[0] == '$')
+ {
+ if (isspace (this_line[1]))
+ /* This is a comment line. Do nothing. */;
+ else if (strncmp (&this_line[1], "set", 3) == 0)
+ {
+ int cnt = sizeof ("cnt");
+ size_t set_number;
+ const char *symbol = NULL;
+ while (isspace (this_line[cnt]))
+ ++cnt;
+
+ if (isdigit (this_line[cnt]))
+ {
+ set_number = atol (&this_line[cnt]);
+
+ /* If the given number for the character set is
+ higher than any we used for symbolic set names
+ avoid clashing by using only higher numbers for
+ the following symbolic definitions. */
+ if (set_number > current->last_set)
+ current->last_set = set_number;
+ }
+ else
+ {
+ /* See whether it is a reasonable identifier. */
+ int start = cnt;
+ while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
+ ++cnt;
+
+ if (cnt == start)
+ {
+ /* No correct character found. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("illegal set number"));
+ set_number = 0;
+ }
+ else
+ {
+ /* We have found seomthing which looks like a
+ correct identifier. */
+ struct set_list *runp;
+
+ this_line[cnt] = '\0';
+ used = 1;
+ symbol = &this_line[start];
+
+ /* Test whether the identifier was already used. */
+ runp = current->all_sets;
+ while (runp != 0)
+ if (runp->symbol != NULL
+ && strcmp (runp->symbol, symbol) == 0)
+ break;
+ else
+ runp = runp->next;
+
+ if (runp != NULL)
+ {
+ /* We cannot allow duplicate identifiers for
+ message sets. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("duplicate set definition"));
+ error_at_line (0, 0, runp->fname, runp->line,
+ gettext ("\
+this is the first definition"));
+ set_number = 0;
+ }
+ else
+ /* Allocate next free message set for identifier. */
+ set_number = ++current->last_set;
+ }
+ }
+
+ if (set_number != 0)
+ {
+ /* We found a legal set number. */
+ current->current_set = find_set (current, set_number);
+ if (symbol != NULL)
+ used = 1;
+ current->current_set->symbol = symbol;
+ current->current_set->fname = fname;
+ current->current_set->line = start_line;
+ }
+ }
+ else if (strncmp (&this_line[1], "delset", 6) == 0)
+ {
+ int cnt = sizeof ("delset");
+ size_t set_number;
+ while (isspace (this_line[cnt]))
+ ++cnt;
+
+ if (isdigit (this_line[cnt]))
+ {
+ size_t set_number = atol (&this_line[cnt]);
+ struct set_list *set;
+
+ /* Mark the message set with the given number as
+ deleted. */
+ set = find_set (current, set_number);
+ set->deleted = 1;
+ }
+ else
+ {
+ /* See whether it is a reasonable identifier. */
+ int start = cnt;
+ while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
+ ++cnt;
+
+ if (cnt == start)
+ {
+ error_at_line (0, 0, fname, start_line,
+ gettext ("illegal set number"));
+ set_number = 0;
+ }
+ else
+ {
+ const char *symbol;
+ struct set_list *runp;
+
+ this_line[cnt] = '\0';
+ used = 1;
+ symbol = &this_line[start];
+
+ /* We have a symbolic set name. This name must
+ appear somewhere else in the catalogs read so
+ far. */
+ set_number = 0;
+ for (runp = current->all_sets; runp != NULL;
+ runp = runp->next)
+ {
+ if (strcmp (runp->symbol, symbol) == 0)
+ {
+ runp->deleted = 1;
+ break;
+ }
+ }
+ if (runp == NULL)
+ /* Name does not exist before. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("unknown set `%s'"), symbol);
+ }
+ }
+ }
+ else if (strncmp (&this_line[1], "quote", 5) == 0)
+ {
+ int cnt = sizeof ("quote");
+ while (isspace (this_line[cnt]))
+ ++cnt;
+ /* Yes, the quote char can be '\0'; this means no quote
+ char. */
+ current->quote_char = this_line[cnt];
+ }
+ else
+ {
+ int cnt;
+ cnt = 2;
+ while (this_line[cnt] != '\0' && !isspace (this_line[cnt]))
+ ++cnt;
+ this_line[cnt] = '\0';
+ error_at_line (0, 0, fname, start_line,
+ gettext ("unknown directive `%s': line ignored"),
+ &this_line[1]);
+ }
+ }
+ else if (isalnum (this_line[0]) || this_line[0] == '_')
+ {
+ const char *ident = this_line;
+ int message_number;
+
+ do
+ ++this_line;
+ while (this_line[0] != '\0' && !isspace (this_line[0]));;
+ this_line[0] = '\0'; /* Terminate the identifier. */
+
+ do
+ ++this_line;
+ while (isspace (this_line[0]));
+ /* Now we found the beginning of the message itself. */
+
+ if (isdigit (ident[0]))
+ {
+ struct message_list *runp;
+
+ message_number = atoi (ident);
+
+ /* Find location to insert the new message. */
+ runp = current->current_set->messages;
+ while (runp != NULL)
+ if (runp->number == message_number)
+ break;
+ else
+ runp = runp->next;
+ if (runp != NULL)
+ {
+ /* Oh, oh. There is already a message with this
+ number is the message set. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("duplicated message number"));
+ error_at_line (0, 0, runp->fname, runp->line,
+ gettext ("this is the first definition"));
+ message_number = 0;
+ }
+ ident = NULL; /* We don't have a symbol. */
+
+ if (message_number != 0
+ && message_number > current->current_set->last_message)
+ current->current_set->last_message = message_number;
+ }
+ else if (ident[0] != '\0')
+ {
+ struct message_list *runp;
+ runp = current->current_set->messages;
+
+ /* Test whether the symbolic name was not used for
+ another message in this message set. */
+ while (runp != NULL)
+ if (runp->symbol != NULL && strcmp (ident, runp->symbol) == 0)
+ break;
+ else
+ runp = runp->next;
+ if (runp != NULL)
+ {
+ /* The name is already used. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("duplicated message identifier"));
+ error_at_line (0, 0, runp->fname, runp->line,
+ gettext ("this is the first definition"));
+ message_number = 0;
+ }
+ else
+ /* Give the message the next unused number. */
+ message_number = ++current->current_set->last_message;
+ }
+ else
+ message_number = 0;
+
+ if (message_number != 0)
+ {
+ struct message_list *newp;
+
+ used = 1; /* Yes, we use the line. */
+
+ /* Strip quote characters, change escape sequences into
+ correct characters etc. */
+ normalize_line (fname, start_line, this_line,
+ current->quote_char);
+
+ newp = (struct message_list *) xmalloc (sizeof (*newp));
+ newp->number = message_number;
+ newp->message = this_line;
+ /* Remember symbolic name; is NULL if no is given. */
+ newp->symbol = ident;
+ /* Remember where we found the character. */
+ newp->fname = fname;
+ newp->line = start_line;
+
+ /* Find place to insert to message. We keep them in a
+ sorted single linked list. */
+ if (current->current_set->messages == NULL
+ || current->current_set->messages->number > message_number)
+ {
+ newp->next = current->current_set->messages;
+ current->current_set->messages = newp;
+ }
+ else
+ {
+ struct message_list *runp;
+ runp = current->current_set->messages;
+ while (runp->next != NULL)
+ if (runp->next->number > message_number)
+ break;
+ else
+ runp = runp->next;
+ newp->next = runp->next;
+ runp->next = newp;
+ }
+ }
+ ++current->total_messages;
+ }
+ else
+ {
+ size_t cnt;
+
+ cnt = 0;
+ /* See whether we have any non-white space character in this
+ line. */
+ while (this_line[cnt] != '\0' && isspace (this_line[cnt]))
+ ++cnt;
+
+ if (this_line[cnt] != '\0')
+ /* Yes, some unknown characters found. */
+ error_at_line (0, 0, fname, start_line,
+ gettext ("malformed line ignored"));
+ }
+
+ /* We can save the memory for the line if it was not used. */
+ if (!used)
+ obstack_free (&current->mem_pool, this_line);
+ }
+
+ if (fp != stdin)
+ fclose (fp);
+ return current;
+}
+
+
+static void
+write_out (struct catalog *catalog, const char *output_name,
+ const char *header_name)
+{
+ /* Computing the "optimal" size. */
+ struct set_list *set_run;
+ size_t best_total, best_size, best_depth;
+ size_t act_size, act_depth;
+ struct catalog_obj obj;
+ struct obstack string_pool;
+ const char *strings;
+ size_t strings_size;
+ u_int32_t *array1, *array2;
+ size_t cnt;
+ int fd;
+
+ /* If not otherwise told try to read file with existing
+ translations. */
+ if (!force_new)
+ read_old (catalog, output_name);
+
+ /* Initialize best_size with a very high value. */
+ best_total = best_size = best_depth = UINT_MAX;
+
+ /* We need some start size for testing. Let's start with
+ TOTAL_MESSAGES / 5, which theoretically provides a mean depth of
+ 5. */
+ act_size = 1 + catalog->total_messages / 5;
+
+ /* We determine the size of a hash table here. Because the message
+ numbers can be chosen arbitrary by the programmer we cannot use
+ the simple method of accessing the array using the message
+ number. The algorithm is based on the trivial hash function
+ NUMBER % TABLE_SIZE, where collisions are stored in a second
+ dimension up to TABLE_DEPTH. We here compute TABLE_SIZE so that
+ the needed space (= TABLE_SIZE * TABLE_DEPTH) is minimal. */
+ while (act_size <= best_total)
+ {
+ size_t deep[act_size];
+
+ act_depth = 1;
+ memset (deep, '\0', act_size * sizeof (size_t));
+ set_run = catalog->all_sets;
+ while (set_run != NULL)
+ {
+ struct message_list *message_run;
+
+ message_run = set_run->messages;
+ while (message_run != NULL)
+ {
+ size_t idx = (message_run->number * set_run->number) % act_size;
+
+ ++deep[idx];
+ if (deep[idx] > act_depth)
+ {
+ act_depth = deep[idx];
+ if (act_depth * act_size > best_total)
+ break;
+ }
+ message_run = message_run->next;
+ }
+
+ if (act_depth * act_size <= best_total)
+ {
+ /* We have found a better solution. */
+ best_total = act_depth * act_size;
+ best_size = act_size;
+ best_depth = act_depth;
+ }
+ set_run = set_run->next;
+ }
+
+ ++act_size;
+ }
+
+ /* let's be prepared for an empty message file. */
+ if (best_size == UINT_MAX)
+ {
+ best_size = 1;
+ best_depth = 1;
+ }
+
+ /* OK, now we have the size we will use. Fill in the header, build
+ the table and the second one with swapped byte order. */
+ obj.magic = CATGETS_MAGIC;
+ obj.plane_size = best_size;
+ obj.plane_depth = best_depth;
+
+ /* Allocate room for all needed arrays. */
+ array1 =
+ (u_int32_t *) alloca (best_size * best_depth * sizeof (u_int32_t) * 3);
+ memset (array1, '\0', best_size * best_depth * sizeof (u_int32_t) * 3);
+ array2
+ = (u_int32_t *) alloca (best_size * best_depth * sizeof (u_int32_t) * 3);
+ obstack_init (&string_pool);
+
+ set_run = catalog->all_sets;
+ while (set_run != NULL)
+ {
+ struct message_list *message_run;
+
+ message_run = set_run->messages;
+ while (message_run != NULL)
+ {
+ size_t idx = (((message_run->number * set_run->number) % best_size)
+ * 3);
+ /* Determine collision depth. */
+ while (array1[idx] != 0)
+ idx += best_size * 3;
+
+ /* Store set number, message number and pointer into string
+ space, relative to the first string. */
+ array1[idx + 0] = set_run->number;
+ array1[idx + 1] = message_run->number;
+ array1[idx + 2] = obstack_object_size (&string_pool);
+
+ /* Add current string to the continuous space containing all
+ strings. */
+ obstack_grow0 (&string_pool, message_run->message,
+ strlen (message_run->message));
+
+ message_run = message_run->next;
+ }
+
+ set_run = set_run->next;
+ }
+ strings_size = obstack_object_size (&string_pool);
+ strings = obstack_finish (&string_pool);
+
+ /* Compute ARRAY2 by changing the byte order. */
+ for (cnt = 0; cnt < best_size * best_depth * 3; ++cnt)
+ array2[cnt] = SWAPU32 (array1[cnt]);
+
+ /* Now we can write out the whole data. */
+ if (strcmp (output_name, "-") == 0
+ || strcmp (output_name, "/dev/stdout") == 0)
+ fd = STDOUT_FILENO;
+ else
+ {
+ fd = creat (output_name, 0666);
+ if (fd < 0)
+ error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"),
+ output_name);
+ }
+
+ /* Write out header. */
+ write (fd, &obj, sizeof (obj));
+
+ /* We always write out the little endian version of the index
+ arrays. */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ write (fd, array1, best_size * best_depth * sizeof (u_int32_t) * 3);
+ write (fd, array2, best_size * best_depth * sizeof (u_int32_t) * 3);
+#elif __BYTE_ORDER == __BIG_ENDIAN
+ write (fd, array2, best_size * best_depth * sizeof (u_int32_t) * 3);
+ write (fd, array1, best_size * best_depth * sizeof (u_int32_t) * 3);
+#else
+# error Cannot handle __BYTE_ORDER byte order
+#endif
+
+ /* Finally write the strings. */
+ write (fd, strings, strings_size);
+
+ if (fd != STDOUT_FILENO)
+ close (fd);
+
+ /* If requested now write out the header file. */
+ if (header_name != NULL)
+ {
+ int first = 1;
+ FILE *fp;
+
+ /* Open output file. "-" or "/dev/stdout" means write to
+ standard output. */
+ if (strcmp (header_name, "-") == 0
+ || strcmp (header_name, "/dev/stdout") == 0)
+ fp = stdout;
+ else
+ {
+ fp = fopen (header_name, "w");
+ if (fp == NULL)
+ error (EXIT_FAILURE, errno,
+ gettext ("cannot open output file `%s'"), header_name);
+ }
+
+ /* Iterate over all sets and all messages. */
+ set_run = catalog->all_sets;
+ while (set_run != NULL)
+ {
+ struct message_list *message_run;
+
+ /* If the current message set has a symbolic name write this
+ out first. */
+ if (set_run->symbol != NULL)
+ fprintf (fp, "%s#define %sSet %#x\t/* %s:%u */\n",
+ first ? "" : "\n", set_run->symbol, set_run->number - 1,
+ set_run->fname, set_run->line);
+ first = 0;
+
+ message_run = set_run->messages;
+ while (message_run != NULL)
+ {
+ /* If the current message has a symbolic name write
+ #define out. But we have to take care for the set
+ not having a symbolic name. */
+ if (message_run->symbol != NULL)
+ if (set_run->symbol == NULL)
+ fprintf (fp, "#define AutomaticSet%d%s %#x\t/* %s:%u */\n",
+ set_run->number, message_run->symbol,
+ message_run->number, message_run->fname,
+ message_run->line);
+ else
+ fprintf (fp, "#define %s%s %#x\t/* %s:%u */\n",
+ set_run->symbol, message_run->symbol,
+ message_run->number, message_run->fname,
+ message_run->line);
+
+ message_run = message_run->next;
+ }
+
+ set_run = set_run->next;
+ }
+
+ if (fp != stdout)
+ fclose (fp);
+ }
+}
+
+
+static struct set_list *
+find_set (struct catalog *current, int number)
+{
+ struct set_list *result = current->all_sets;
+
+ /* We must avoid set number 0 because a set of this number signals
+ in the tables that the entry is not occupied. */
+ ++number;
+
+ while (result != NULL)
+ if (result->number == number)
+ return result;
+ else
+ result = result->next;
+
+ /* Prepare new message set. */
+ result = (struct set_list *) xmalloc (sizeof (*result));
+ result->number = number;
+ result->deleted = 0;
+ result->messages = NULL;
+ result->next = current->all_sets;
+ current->all_sets = result;
+
+ return result;
+}
+
+
+/* Normalize given string *in*place* by processing escape sequences
+ and quote characters. */
+static void
+normalize_line (const char *fname, size_t line, char *string, char quote_char)
+{
+ int is_quoted;
+ char *rp = string;
+ char *wp = string;
+
+ if (quote_char != '\0' && *rp == quote_char)
+ {
+ is_quoted = 1;
+ ++rp;
+ }
+ else
+ is_quoted = 0;
+
+ while (*rp != '\0')
+ if (*rp == quote_char)
+ /* We simply end the string when we find the first time an
+ not-escaped quote character. */
+ break;
+ else if (*rp == '\\')
+ {
+ ++rp;
+ if (quote_char != '\0' && *rp == quote_char)
+ /* This is an extension to XPG. */
+ *wp++ = *rp++;
+ else
+ /* Recognize escape sequences. */
+ switch (*rp)
+ {
+ case 'n':
+ *wp++ = '\n';
+ ++rp;
+ break;
+ case 't':
+ *wp++ = '\t';
+ ++rp;
+ break;
+ case 'v':
+ *wp++ = '\v';
+ ++rp;
+ break;
+ case 'b':
+ *wp++ = '\b';
+ ++rp;
+ break;
+ case 'r':
+ *wp++ = '\r';
+ ++rp;
+ break;
+ case 'f':
+ *wp++ = '\f';
+ ++rp;
+ break;
+ case '\\':
+ *wp++ = '\\';
+ ++rp;
+ break;
+ case '0' ... '7':
+ {
+ int number = *rp++ - '0';
+ while (number <= (255 / 8) && *rp >= '0' && *rp <= '7')
+ {
+ number *= 8;
+ number += *rp++ - '0';
+ }
+ *wp++ = (char) number;
+ }
+ break;
+ default:
+ /* Simply ignore the backslash character. */
+ break;
+ }
+ }
+ else
+ *wp++ = *rp++;
+
+ /* If we saw a quote character at the beginning we expect another
+ one at the end. */
+ if (is_quoted && *rp != quote_char)
+ error (0, 0, fname, line, gettext ("unterminated message"));
+
+ /* Terminate string. */
+ *wp = '\0';
+ return;
+}
+
+
+static void
+read_old (struct catalog *catalog, const char *file_name)
+{
+ struct catalog_info old_cat_obj;
+ struct set_list *set = NULL;
+ int last_set = -1;
+ size_t cnt;
+
+ old_cat_obj.status = closed;
+ old_cat_obj.cat_name = file_name;
+
+ /* Try to open catalog, but don't look through the NLSPATH. */
+ __open_catalog (&old_cat_obj, 0);
+
+ if (old_cat_obj.status != mmaped && old_cat_obj.status != malloced)
+ if (errno == ENOENT)
+ /* No problem, the catalog simply does not exist. */
+ return;
+ else
+ error (EXIT_FAILURE, errno, gettext ("while opening old catalog file"));
+
+ /* OK, we have the catalog loaded. Now read all messages and merge
+ them. When set and message number clash for any message the new
+ one is used. */
+ for (cnt = 0; cnt < old_cat_obj.plane_size * old_cat_obj.plane_depth; ++cnt)
+ {
+ struct message_list *message, *last;
+
+ if (old_cat_obj.name_ptr[cnt * 3 + 0] == 0)
+ /* No message in this slot. */
+ continue;
+
+ if (old_cat_obj.name_ptr[cnt * 3 + 0] - 1 != last_set)
+ {
+ last_set = old_cat_obj.name_ptr[cnt * 3 + 0] - 1;
+ set = find_set (catalog, old_cat_obj.name_ptr[cnt * 3 + 0] - 1);
+ }
+
+ last = NULL;
+ message = set->messages;
+ while (message != NULL)
+ {
+ if (message->number >= old_cat_obj.name_ptr[cnt * 3 + 1])
+ break;
+ last = message;
+ message = message->next;
+ }
+
+ if (message == NULL
+ || message->number > old_cat_obj.name_ptr[cnt * 3 + 1])
+ {
+ /* We have found a message which is not yet in the catalog.
+ Insert it at the right position. */
+ struct message_list *newp;
+
+ newp = (struct message_list *) xmalloc (sizeof(*newp));
+ newp->number = old_cat_obj.name_ptr[cnt * 3 + 1];
+ newp->message =
+ &old_cat_obj.strings[old_cat_obj.name_ptr[cnt * 3 + 2]];
+ newp->fname = NULL;
+ newp->line = 0;
+ newp->symbol = NULL;
+ newp->next = message;
+
+ if (last == NULL)
+ set->messages = newp;
+ else
+ last->next = newp;
+
+ ++catalog->total_messages;
+ }
+ }
+}
generated by cgit v1.1 at 2024-12-15 06:03:01 +0000