glibc/locale/programs/locfile.c

414 lines
10 KiB
C

/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
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 <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/stat.h>
#include "localedef.h"
#include "locfile.h"
#include "locfile-kw.h"
int
locfile_read (struct localedef_t *result, 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[0] != '/')
{
char *i18npath = getenv ("I18NPATH");
if (i18npath != NULL && *i18npath != '\0')
{
char path[strlen (filename) + 1 + strlen (i18npath)
+ sizeof ("/locales/") - 1];
char *next;
i18npath = strdupa (i18npath);
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 (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);
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);
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);
if (arg->tok != tok_ident)
{
SYNTAX_ERROR (_("bad argument"));
continue;
}
if (repertoire_name == NULL)
{
repertoire_name = memcpy (xmalloc (arg->val.str.lenmb + 1),
arg->val.str.startmb,
arg->val.str.lenmb);
((char *) repertoire_name)[arg->val.str.lenmb] = '\0';
}
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;
}
static void (*const check_funcs[]) (struct localedef_t *,
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,
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);
}
static void (*const write_funcs[]) (struct localedef_t *, 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,
struct charmap_t *charmap,
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);
}
void
write_locale_data (const char *output_path, const char *category,
size_t n_elem, struct iovec *vec)
{
size_t cnt, step, maxiov;
int fd;
char *fname;
fname = malloc (strlen (output_path) + 2 * strlen (category) + 7);
if (fname == NULL)
error (5, errno, _("memory exhausted"));
/* 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);
if (strcmp (category, "LC_MESSAGES") == 0)
{
struct stat st;
if (stat (fname, &st) < 0)
{
if (mkdir (fname, 0777) < 0)
fd = creat (fname, 0666);
else
{
fd = -1;
errno = EISDIR;
}
}
else if (S_ISREG (st.st_mode))
fd = creat (fname, 0666);
else
{
fd = -1;
errno = EISDIR;
}
}
else
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);
fd = creat (fname, 0666);
if (fd == -1)
save_err = errno;
}
if (fd == -1)
{
if (!be_quiet)
error (0, save_err, _("\
cannot open output file `%s' for category `%s'"),
fname, category);
return;
}
}
free (fname);
#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)
{
if (!be_quiet)
error (0, errno, _("failure while writing data for category `%s'"),
category);
break;
}
}
close (fd);
}