/* Copyright (C) 1996-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <assert.h>
#include <wchar.h>
#include "../../crypt/md5.h"
#include "localedef.h"
#include "localeinfo.h"
#include "locfile.h"
#include "simple-hash.h"
#include "locfile-kw.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
/* Temporary storage of the locale data before writing it to the archive. */
static locale_data_t to_archive;
int
locfile_read (struct localedef_t *result, const struct charmap_t *charmap)
{
const char *filename = result->name;
const char *repertoire_name = result->repertoire_name;
int locale_mask = result->needed & ~result->avail;
struct linereader *ldfile;
int not_here = ALL_LOCALES;
/* If no repertoire name was specified use the global one. */
if (repertoire_name == NULL)
repertoire_name = repertoire_global;
/* Open the locale definition file. */
ldfile = lr_open (filename, locfile_hash);
if (ldfile == NULL)
{
if (filename != NULL && filename[0] != '/')
{
char *i18npath = getenv ("I18NPATH");
if (i18npath != NULL && *i18npath != '\0')
{
const size_t pathlen = strlen (i18npath);
char i18npathbuf[pathlen + 1];
char path[strlen (filename) + 1 + pathlen
+ sizeof ("/locales/") - 1];
char *next;
i18npath = memcpy (i18npathbuf, i18npath, pathlen + 1);
while (ldfile == NULL
&& (next = strsep (&i18npath, ":")) != NULL)
{
stpcpy (stpcpy (stpcpy (path, next), "/locales/"), filename);
ldfile = lr_open (path, locfile_hash);
if (ldfile == NULL)
{
stpcpy (stpcpy (stpcpy (path, next), "/"), filename);
ldfile = lr_open (path, locfile_hash);
}
}
}
/* Test in the default directory. */
if (ldfile == NULL)
{
char path[strlen (filename) + 1 + sizeof (LOCSRCDIR)];
stpcpy (stpcpy (stpcpy (path, LOCSRCDIR), "/"), filename);
ldfile = lr_open (path, locfile_hash);
}
}
if (ldfile == NULL)
return 1;
}
/* Parse locale definition file and store result in RESULT. */
while (1)
{
struct token *now = lr_token (ldfile, charmap, NULL, NULL, verbose);
enum token_t nowtok = now->tok;
struct token *arg;
if (nowtok == tok_eof)
break;
if (nowtok == tok_eol)
/* Ignore empty lines. */
continue;
switch (nowtok)
{
case tok_escape_char:
case tok_comment_char:
/* We need an argument. */
arg = lr_token (ldfile, charmap, NULL, NULL, verbose);
if (arg->tok != tok_ident)
{
SYNTAX_ERROR (_("bad argument"));
continue;
}
if (arg->val.str.lenmb != 1)
{
lr_error (ldfile, _("\
argument to `%s' must be a single character"),
nowtok == tok_escape_char
? "escape_char" : "comment_char");
lr_ignore_rest (ldfile, 0);
continue;
}
if (nowtok == tok_escape_char)
ldfile->escape_char = *arg->val.str.startmb;
else
ldfile->comment_char = *arg->val.str.startmb;
break;
case tok_repertoiremap:
/* We need an argument. */
arg = lr_token (ldfile, charmap, NULL, NULL, verbose);
if (arg->tok != tok_ident)
{
SYNTAX_ERROR (_("bad argument"));
continue;
}
if (repertoire_name == NULL)
{
char *newp = alloca (arg->val.str.lenmb + 1);
*((char *) mempcpy (newp, arg->val.str.startmb,
arg->val.str.lenmb)) = '\0';
repertoire_name = newp;
}
break;
case tok_lc_ctype:
ctype_read (ldfile, result, charmap, repertoire_name,
(locale_mask & CTYPE_LOCALE) == 0);
result->avail |= locale_mask & CTYPE_LOCALE;
not_here ^= CTYPE_LOCALE;
continue;
case tok_lc_collate:
collate_read (ldfile, result, charmap, repertoire_name,
(locale_mask & COLLATE_LOCALE) == 0);
result->avail |= locale_mask & COLLATE_LOCALE;
not_here ^= COLLATE_LOCALE;
continue;
case tok_lc_monetary:
monetary_read (ldfile, result, charmap, repertoire_name,
(locale_mask & MONETARY_LOCALE) == 0);
result->avail |= locale_mask & MONETARY_LOCALE;
not_here ^= MONETARY_LOCALE;
continue;
case tok_lc_numeric:
numeric_read (ldfile, result, charmap, repertoire_name,
(locale_mask & NUMERIC_LOCALE) == 0);
result->avail |= locale_mask & NUMERIC_LOCALE;
not_here ^= NUMERIC_LOCALE;
continue;
case tok_lc_time:
time_read (ldfile, result, charmap, repertoire_name,
(locale_mask & TIME_LOCALE) == 0);
result->avail |= locale_mask & TIME_LOCALE;
not_here ^= TIME_LOCALE;
continue;
case tok_lc_messages:
messages_read (ldfile, result, charmap, repertoire_name,
(locale_mask & MESSAGES_LOCALE) == 0);
result->avail |= locale_mask & MESSAGES_LOCALE;
not_here ^= MESSAGES_LOCALE;
continue;
case tok_lc_paper:
paper_read (ldfile, result, charmap, repertoire_name,
(locale_mask & PAPER_LOCALE) == 0);
result->avail |= locale_mask & PAPER_LOCALE;
not_here ^= PAPER_LOCALE;
continue;
case tok_lc_name:
name_read (ldfile, result, charmap, repertoire_name,
(locale_mask & NAME_LOCALE) == 0);
result->avail |= locale_mask & NAME_LOCALE;
not_here ^= NAME_LOCALE;
continue;
case tok_lc_address:
address_read (ldfile, result, charmap, repertoire_name,
(locale_mask & ADDRESS_LOCALE) == 0);
result->avail |= locale_mask & ADDRESS_LOCALE;
not_here ^= ADDRESS_LOCALE;
continue;
case tok_lc_telephone:
telephone_read (ldfile, result, charmap, repertoire_name,
(locale_mask & TELEPHONE_LOCALE) == 0);
result->avail |= locale_mask & TELEPHONE_LOCALE;
not_here ^= TELEPHONE_LOCALE;
continue;
case tok_lc_measurement:
measurement_read (ldfile, result, charmap, repertoire_name,
(locale_mask & MEASUREMENT_LOCALE) == 0);
result->avail |= locale_mask & MEASUREMENT_LOCALE;
not_here ^= MEASUREMENT_LOCALE;
continue;
case tok_lc_identification:
identification_read (ldfile, result, charmap, repertoire_name,
(locale_mask & IDENTIFICATION_LOCALE) == 0);
result->avail |= locale_mask & IDENTIFICATION_LOCALE;
not_here ^= IDENTIFICATION_LOCALE;
continue;
default:
SYNTAX_ERROR (_("\
syntax error: not inside a locale definition section"));
continue;
}
/* The rest of the line must be empty. */
lr_ignore_rest (ldfile, 1);
}
/* We read all of the file. */
lr_close (ldfile);
/* Mark the categories which are not contained in the file. We assume
them to be available and the default data will be used. */
result->avail |= not_here;
return 0;
}
/* Semantic checking of locale specifications. */
static void (*const check_funcs[]) (struct localedef_t *,
const struct charmap_t *) =
{
[LC_CTYPE] = ctype_finish,
[LC_COLLATE] = collate_finish,
[LC_MESSAGES] = messages_finish,
[LC_MONETARY] = monetary_finish,
[LC_NUMERIC] = numeric_finish,
[LC_TIME] = time_finish,
[LC_PAPER] = paper_finish,
[LC_NAME] = name_finish,
[LC_ADDRESS] = address_finish,
[LC_TELEPHONE] = telephone_finish,
[LC_MEASUREMENT] = measurement_finish,
[LC_IDENTIFICATION] = identification_finish
};
void
check_all_categories (struct localedef_t *definitions,
const struct charmap_t *charmap)
{
int cnt;
for (cnt = 0; cnt < sizeof (check_funcs) / sizeof (check_funcs[0]); ++cnt)
if (check_funcs[cnt] != NULL)
check_funcs[cnt] (definitions, charmap);
}
/* Writing the locale data files. All files use the same output_path. */
static void (*const write_funcs[]) (struct localedef_t *,
const struct charmap_t *, const char *) =
{
[LC_CTYPE] = ctype_output,
[LC_COLLATE] = collate_output,
[LC_MESSAGES] = messages_output,
[LC_MONETARY] = monetary_output,
[LC_NUMERIC] = numeric_output,
[LC_TIME] = time_output,
[LC_PAPER] = paper_output,
[LC_NAME] = name_output,
[LC_ADDRESS] = address_output,
[LC_TELEPHONE] = telephone_output,
[LC_MEASUREMENT] = measurement_output,
[LC_IDENTIFICATION] = identification_output
};
void
write_all_categories (struct localedef_t *definitions,
const struct charmap_t *charmap, const char *locname,
const char *output_path)
{
int cnt;
for (cnt = 0; cnt < sizeof (write_funcs) / sizeof (write_funcs[0]); ++cnt)
if (write_funcs[cnt] != NULL)
write_funcs[cnt] (definitions, charmap, output_path);
if (! no_archive)
{
/* The data has to be added to the archive. Do this now. */
struct locarhandle ah;
/* Open the archive. This call never returns if we cannot
successfully open the archive. */
ah.fname = NULL;
open_archive (&ah, false);
if (add_locale_to_archive (&ah, locname, to_archive, true) != 0)
error (EXIT_FAILURE, errno, _("cannot add to locale archive"));
/* We are done. */
close_archive (&ah);
}
}
/* Return a NULL terminated list of the directories next to output_path
that have the same owner, group, permissions and device as output_path. */
static const char **
siblings_uncached (const char *output_path)
{
size_t len;
char *base, *p;
struct stat64 output_stat;
DIR *dirp;
int nelems;
const char **elems;
/* Remove trailing slashes and trailing pathname component. */
len = strlen (output_path);
base = (char *) alloca (len);
memcpy (base, output_path, len);
p = base + len;
while (p > base && p[-1] == '/')
p--;
if (p == base)
return NULL;
do
p--;
while (p > base && p[-1] != '/');
if (p == base)
return NULL;
*--p = '\0';
len = p - base;
/* Get the properties of output_path. */
if (lstat64 (output_path, &output_stat) < 0 || !S_ISDIR (output_stat.st_mode))
return NULL;
/* Iterate through the directories in base directory. */
dirp = opendir (base);
if (dirp == NULL)
return NULL;
nelems = 0;
elems = NULL;
for (;;)
{
struct dirent64 *other_dentry;
const char *other_name;
char *other_path;
struct stat64 other_stat;
other_dentry = readdir64 (dirp);
if (other_dentry == NULL)
break;
other_name = other_dentry->d_name;
if (strcmp (other_name, ".") == 0 || strcmp (other_name, "..") == 0)
continue;
other_path = (char *) xmalloc (len + 1 + strlen (other_name) + 2);
memcpy (other_path, base, len);
other_path[len] = '/';
strcpy (other_path + len + 1, other_name);
if (lstat64 (other_path, &other_stat) >= 0
&& S_ISDIR (other_stat.st_mode)
&& other_stat.st_uid == output_stat.st_uid
&& other_stat.st_gid == output_stat.st_gid
&& other_stat.st_mode == output_stat.st_mode
&& other_stat.st_dev == output_stat.st_dev)
{
/* Found a subdirectory. Add a trailing slash and store it. */
p = other_path + len + 1 + strlen (other_name);
*p++ = '/';
*p = '\0';
elems = (const char **) xrealloc ((char *) elems,
(nelems + 2) * sizeof (char **));
elems[nelems++] = other_path;
}
else
free (other_path);
}
closedir (dirp);
if (elems != NULL)
elems[nelems] = NULL;
return elems;
}
/* Return a NULL terminated list of the directories next to output_path
that have the same owner, group, permissions and device as output_path.
Cache the result for future calls. */
static const char **
siblings (const char *output_path)
{
static const char *last_output_path;
static const char **last_result;
if (output_path != last_output_path)
{
if (last_result != NULL)
{
const char **p;
for (p = last_result; *p != NULL; p++)
free ((char *) *p);
free (last_result);
}
last_output_path = output_path;
last_result = siblings_uncached (output_path);
}
return last_result;
}
/* Read as many bytes from a file descriptor as possible. */
static ssize_t
full_read (int fd, void *bufarea, size_t nbyte)
{
char *buf = (char *) bufarea;
while (nbyte > 0)
{
ssize_t retval = read (fd, buf, nbyte);
if (retval == 0)
break;
else if (retval > 0)
{
buf += retval;
nbyte -= retval;
}
else if (errno != EINTR)
return retval;
}
return buf - (char *) bufarea;
}
/* Compare the contents of two regular files of the same size. Return 0
if they are equal, 1 if they are different, or -1 if an error occurs. */
static int
compare_files (const char *filename1, const char *filename2, size_t size,
size_t blocksize)
{
int fd1, fd2;
int ret = -1;
fd1 = open (filename1, O_RDONLY);
if (fd1 >= 0)
{
fd2 = open (filename2, O_RDONLY);
if (fd2 >= 0)
{
char *buf1 = (char *) xmalloc (2 * blocksize);
char *buf2 = buf1 + blocksize;
ret = 0;
while (size > 0)
{
size_t bytes = (size < blocksize ? size : blocksize);
if (full_read (fd1, buf1, bytes) < (ssize_t) bytes)
{
ret = -1;
break;
}
if (full_read (fd2, buf2, bytes) < (ssize_t) bytes)
{
ret = -1;
break;
}
if (memcmp (buf1, buf2, bytes) != 0)
{
ret = 1;
break;
}
size -= bytes;
}
free (buf1);
close (fd2);
}
close (fd1);
}
return ret;
}
/* True if the locale files use the opposite endianness to the
machine running localedef. */
bool swap_endianness_p;
/* When called outside a start_locale_structure/end_locale_structure
or start_locale_prelude/end_locale_prelude block, record that the
next byte in FILE's obstack will be the first byte of a new element.
Do likewise for the first call inside a start_locale_structure/
end_locale_structure block. */
static void
record_offset (struct locale_file *file)
{
if (file->structure_stage < 2)
{
assert (file->next_element < file->n_elements);
file->offsets[file->next_element++]
= (obstack_object_size (&file->data)
+ (file->n_elements + 2) * sizeof (uint32_t));
if (file->structure_stage == 1)
file->structure_stage = 2;
}
}
/* Initialize FILE for a new output file. N_ELEMENTS is the number
of elements in the file. */
void
init_locale_data (struct locale_file *file, size_t n_elements)
{
file->n_elements = n_elements;
file->next_element = 0;
file->offsets = xmalloc (sizeof (uint32_t) * n_elements);
obstack_init (&file->data);
file->structure_stage = 0;
}
/* Align the size of FILE's obstack object to BOUNDARY bytes. */
void
align_locale_data (struct locale_file *file, size_t boundary)
{
size_t size = -obstack_object_size (&file->data) & (boundary - 1);
obstack_blank (&file->data, size);
memset (obstack_next_free (&file->data) - size, 0, size);
}
/* Record that FILE's next element contains no data. */
void
add_locale_empty (struct locale_file *file)
{
record_offset (file);
}
/* Record that FILE's next element consists of SIZE bytes starting at DATA. */
void
add_locale_raw_data (struct locale_file *file, const void *data, size_t size)
{
record_offset (file);
obstack_grow (&file->data, data, size);
}
/* Finish the current object on OBSTACK and use it as the data for FILE's
next element. */
void
add_locale_raw_obstack (struct locale_file *file, struct obstack *obstack)
{
size_t size = obstack_object_size (obstack);
record_offset (file);
obstack_grow (&file->data, obstack_finish (obstack), size);
}
/* Use STRING as FILE's next element. */
void
add_locale_string (struct locale_file *file, const char *string)
{
record_offset (file);
obstack_grow (&file->data, string, strlen (string) + 1);
}
/* Likewise for wide strings. */
void
add_locale_wstring (struct locale_file *file, const uint32_t *string)
{
add_locale_uint32_array (file, string, wcslen ((const wchar_t *) string) + 1);
}
/* Record that FILE's next element is the 32-bit integer VALUE. */
void
add_locale_uint32 (struct locale_file *file, uint32_t value)
{
align_locale_data (file, LOCFILE_ALIGN);
record_offset (file);
value = maybe_swap_uint32 (value);
obstack_grow (&file->data, &value, sizeof (value));
}
/* Record that FILE's next element is an array of N_ELEMS integers
starting at DATA. */
void
add_locale_uint32_array (struct locale_file *file,
const uint32_t *data, size_t n_elems)
{
align_locale_data (file, LOCFILE_ALIGN);
record_offset (file);
obstack_grow (&file->data, data, n_elems * sizeof (uint32_t));
maybe_swap_uint32_obstack (&file->data, n_elems);
}
/* Record that FILE's next element is the single byte given by VALUE. */
void
add_locale_char (struct locale_file *file, char value)
{
record_offset (file);
obstack_1grow (&file->data, value);
}
/* Start building an element that contains several different pieces of data.
Subsequent calls to add_locale_* will add data to the same element up
till the next call to end_locale_structure. The element's alignment
is dictated by the first piece of data added to it. */
void
start_locale_structure (struct locale_file *file)
{
assert (file->structure_stage == 0);
file->structure_stage = 1;
}
/* Finish a structure element that was started by start_locale_structure.
Empty structures are OK and behave like add_locale_empty. */
void
end_locale_structure (struct locale_file *file)
{
record_offset (file);
assert (file->structure_stage == 2);
file->structure_stage = 0;
}
/* Start building data that goes before the next element's recorded offset.
Subsequent calls to add_locale_* will add data to the file without
treating any of it as the start of a new element. Calling
end_locale_prelude switches back to the usual behavior. */
void
start_locale_prelude (struct locale_file *file)
{
assert (file->structure_stage == 0);
file->structure_stage = 3;
}
/* End a block started by start_locale_prelude. */
void
end_locale_prelude (struct locale_file *file)
{
assert (file->structure_stage == 3);
file->structure_stage = 0;
}
/* Write a locale file, with contents given by FILE. */
void
write_locale_data (const char *output_path, int catidx, const char *category,
struct locale_file *file)
{
size_t cnt, step, maxiov;
int fd;
char *fname;
const char **other_paths;
uint32_t header[2];
size_t n_elem;
struct iovec vec[3];
assert (file->n_elements == file->next_element);
header[0] = LIMAGIC (catidx);
header[1] = file->n_elements;
vec[0].iov_len = sizeof (header);
vec[0].iov_base = header;
vec[1].iov_len = sizeof (uint32_t) * file->n_elements;
vec[1].iov_base = file->offsets;
vec[2].iov_len = obstack_object_size (&file->data);
vec[2].iov_base = obstack_finish (&file->data);
maybe_swap_uint32_array (vec[0].iov_base, 2);
maybe_swap_uint32_array (vec[1].iov_base, file->n_elements);
n_elem = 3;
if (! no_archive)
{
/* The data will be added to the archive. For now we simply
generate the image which will be written. First determine
the size. */
int cnt;
void *endp;
to_archive[catidx].size = 0;
for (cnt = 0; cnt < n_elem; ++cnt)
to_archive[catidx].size += vec[cnt].iov_len;
/* Allocate the memory for it. */
to_archive[catidx].addr = xmalloc (to_archive[catidx].size);
/* Fill it in. */
for (cnt = 0, endp = to_archive[catidx].addr; cnt < n_elem; ++cnt)
endp = mempcpy (endp, vec[cnt].iov_base, vec[cnt].iov_len);
/* Compute the MD5 sum for the data. */
__md5_buffer (to_archive[catidx].addr, to_archive[catidx].size,
to_archive[catidx].sum);
return;
}
fname = xmalloc (strlen (output_path) + 2 * strlen (category) + 7);
/* Normally we write to the directory pointed to by the OUTPUT_PATH.
But for LC_MESSAGES we have to take care for the translation
data. This means we need to have a directory LC_MESSAGES in
which we place the file under the name SYS_LC_MESSAGES. */
sprintf (fname, "%s%s", output_path, category);
fd = -2;
if (strcmp (category, "LC_MESSAGES") == 0)
{
struct stat64 st;
if (stat64 (fname, &st) < 0)
{
if (mkdir (fname, 0777) >= 0)
{
fd = -1;
errno = EISDIR;
}
}
else if (!S_ISREG (st.st_mode))
{
fd = -1;
errno = EISDIR;
}
}
/* Create the locale file with nlinks == 1; this avoids crashing processes
which currently use the locale and damaging files belonging to other
locales as well. */
if (fd == -2)
{
unlink (fname);
fd = creat (fname, 0666);
}
if (fd == -1)
{
int save_err = errno;
if (errno == EISDIR)
{
sprintf (fname, "%1$s%2$s/SYS_%2$s", output_path, category);
unlink (fname);
fd = creat (fname, 0666);
if (fd == -1)
save_err = errno;
}
if (fd == -1)
{
record_error (0, save_err, _("\
cannot open output file `%s' for category `%s'"), fname, category);
free (fname);
return;
}
}
#ifdef UIO_MAXIOV
maxiov = UIO_MAXIOV;
#else
maxiov = sysconf (_SC_UIO_MAXIOV);
#endif
/* Write the data using writev. But we must take care for the
limitation of the implementation. */
for (cnt = 0; cnt < n_elem; cnt += step)
{
step = n_elem - cnt;
if (maxiov > 0)
step = MIN (maxiov, step);
if (writev (fd, &vec[cnt], step) < 0)
{
record_error (0, errno, _("\
failure while writing data for category `%s'"), category);
break;
}
}
close (fd);
/* Compare the file with the locale data files for the same category in
other locales, and see if we can reuse it, to save disk space. */
other_paths = siblings (output_path);
if (other_paths != NULL)
{
struct stat64 fname_stat;
if (lstat64 (fname, &fname_stat) >= 0
&& S_ISREG (fname_stat.st_mode))
{
const char *fname_tail = fname + strlen (output_path);
const char **other_p;
int seen_count;
ino_t *seen_inodes;
seen_count = 0;
for (other_p = other_paths; *other_p; other_p++)
seen_count++;
seen_inodes = (ino_t *) xmalloc (seen_count * sizeof (ino_t));
seen_count = 0;
for (other_p = other_paths; *other_p; other_p++)
{
const char *other_path = *other_p;
size_t other_path_len = strlen (other_path);
char *other_fname;
struct stat64 other_fname_stat;
other_fname =
(char *) xmalloc (other_path_len + strlen (fname_tail) + 1);
memcpy (other_fname, other_path, other_path_len);
strcpy (other_fname + other_path_len, fname_tail);
if (lstat64 (other_fname, &other_fname_stat) >= 0
&& S_ISREG (other_fname_stat.st_mode)
/* Consider only files on the same device.
Otherwise hard linking won't work anyway. */
&& other_fname_stat.st_dev == fname_stat.st_dev
/* Consider only files with the same permissions.
Otherwise there are security risks. */
&& other_fname_stat.st_uid == fname_stat.st_uid
&& other_fname_stat.st_gid == fname_stat.st_gid
&& other_fname_stat.st_mode == fname_stat.st_mode
/* Don't compare fname with itself. */
&& other_fname_stat.st_ino != fname_stat.st_ino
/* Files must have the same size, otherwise they
cannot be the same. */
&& other_fname_stat.st_size == fname_stat.st_size)
{
/* Skip this file if we have already read it (under a
different name). */
int i;
for (i = seen_count - 1; i >= 0; i--)
if (seen_inodes[i] == other_fname_stat.st_ino)
break;
if (i < 0)
{
/* Now compare fname and other_fname for real. */
blksize_t blocksize;
#ifdef _STATBUF_ST_BLKSIZE
blocksize = MAX (fname_stat.st_blksize,
other_fname_stat.st_blksize);
if (blocksize > 8 * 1024)
blocksize = 8 * 1024;
#else
blocksize = 8 * 1024;
#endif
if (compare_files (fname, other_fname,
fname_stat.st_size, blocksize) == 0)
{
/* Found! other_fname is identical to fname. */
/* Link other_fname to fname. But use a temporary
file, in case hard links don't work on the
particular filesystem. */
char * tmp_fname =
(char *) xmalloc (strlen (fname) + 4 + 1);
strcpy (stpcpy (tmp_fname, fname), ".tmp");
if (link (other_fname, tmp_fname) >= 0)
{
unlink (fname);
if (rename (tmp_fname, fname) < 0)
{
record_error (0, errno, _("\
cannot create output file `%s' for category `%s'"), fname, category);
}
free (tmp_fname);
free (other_fname);
break;
}
free (tmp_fname);
}
/* Don't compare with this file a second time. */
seen_inodes[seen_count++] = other_fname_stat.st_ino;
}
}
free (other_fname);
}
free (seen_inodes);
}
}
free (fname);
}
/* General handling of `copy'. */
void
handle_copy (struct linereader *ldfile, const struct charmap_t *charmap,
const char *repertoire_name, struct localedef_t *result,
enum token_t token, int locale, const char *locale_name,
int ignore_content)
{
struct token *now;
int warned = 0;
now = lr_token (ldfile, charmap, result, NULL, verbose);
if (now->tok != tok_string)
lr_error (ldfile, _("expecting string argument for `copy'"));
else if (!ignore_content)
{
if (now->val.str.startmb == NULL)
lr_error (ldfile, _("\
locale name should consist only of portable characters"));
else
{
(void) add_to_readlist (locale, now->val.str.startmb,
repertoire_name, 1, NULL);
result->copy_name[locale] = now->val.str.startmb;
}
}
lr_ignore_rest (ldfile, now->tok == tok_string);
/* The rest of the line must be empty and the next keyword must be
`END xxx'. */
while ((now = lr_token (ldfile, charmap, result, NULL, verbose))->tok
!= tok_end && now->tok != tok_eof)
{
if (warned == 0)
{
lr_error (ldfile, _("\
no other keyword shall be specified when `copy' is used"));
warned = 1;
}
lr_ignore_rest (ldfile, 0);
}
if (now->tok != tok_eof)
{
/* Handle `END xxx'. */
now = lr_token (ldfile, charmap, result, NULL, verbose);
if (now->tok != token)
lr_error (ldfile, _("\
`%1$s' definition does not end with `END %1$s'"), locale_name);
lr_ignore_rest (ldfile, now->tok == token);
}
else
/* When we come here we reached the end of the file. */
lr_error (ldfile, _("%s: premature end of file"), locale_name);
}