glibc/locale/loadlocale.c
Ulrich Drepper c4563d2d66 Update.
1999-04-28  Ulrich Drepper  <drepper@cygnus.com>

	* argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0.
	* argp/argp-parse.c (_argp_hang): Likewise.
	* argp/argp-pv.c (argp_program_version): Likewise.
	* argp/argp-pvh.c (argp_program_version_hook): Likewise.
	* inet/ether_hton.c (ether_hton, startp): Likewise.
	* inet/ether_ntoh.c (ether_ntoh, startp): Likewise.
	* inet/getnetgrent_r.c (setup, startp): Likewise.
	* intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise.
	* intl/localealias.c (string_space, string_space_act, string_space_max,
	nmap, maxmap): Likewise.
	* libio/iopopen.c (proc_file_chain): Likewise.
	* libio/oldiopopen.c (old_proc_file_chain): Likewise.
	* locale/lc-collate.c (__collate_table, __collate_extra,
	__collate_element_hash, __collate_element_strings,
	__collate_element_values): Likewise.
	* malloc/mcheck.c (mcheck_used): Likewise.
	* malloc/mtrace.c (added_atexit_handler): Likewise.
	* malloc/set-freeres.c (already_called): Likewise.
	* misc/getpass.c (getpass) [buf, bufsize]: Likewise.
	* misc/syslog.c (LogStat, LogTag): Likewise.
	* nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise.
	* nss/getXXbyYY_r.c (startp): Likewise.
	* posix/getopt.c (optarg, __getopt_initialized): Likewise.
	* posix/regex.c (init_syntax_once) [done]: Likewise.
	(debug): Likewise.
	* string/strfry.c (init): Likewise.
	* sunrpc/svc_run.c (svc_top): Likewise.
	* posix/euidaccess.c (have_ids): Likewise.
	* sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise.
	* sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise.
	* time/getdate.c (getdate_err): Likewise.
	* time/tzfile.c (transitions, type_idxs, types, zone_names, leaps):
	Likewise.
	* time/tzset.c (old_tz, is_initialized): Likewise.

	* inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization
	of static data with zero.
	* signal/allocrtsig.c (init): Likewise.

	* string/Makefile (routines): Add strchrnul.
	* string/Versions [GLIBC_2.1.1]: Add strchrnul.
	* string/string.c: Add strchrnul prototype.
	* include/string.h: Add __strchrnul prototype.
	* sysdeps/generic/strchrnul.c: New file.
	* sysdeps/i386/strchrnul.S: New file.
	* sysdeps/i386/bits/string.c: Add strchrnul optimization.
	* sysdeps/i386/i486/bits/string.c: Likewise.
	* argp/argp-help.c (argp_args_usage): Use __strchrnul.
	* inet/ether_line.c (ether_line): Likewise.
	* nscd/nscd_conf.c (nscd_parse_file): Likewise.
	* nss/nsswitch.c (nss_parse_file): Likewise.
	* posix/execvp.c (execvp): Likewise.
	* posix/fnmatch.c (internal_fnmatch): Likewise.
	* resolv/res_hconf.c (_res_hconv_init): Likewise.
	* resolv/res_init.c (res_init): Likewise.
	* stdlib/fmtmsg.c (init): Likewise.
	* stdlib/getsubopt.c (getsubopt): Likewise.

	* catgets/catgets.c (catopen): Only allocate one memory block.
	(catclose): Only one free call necessary.

	* catgets/open_catalog.c (__open_catalog): Simplify handling of
	file descriptor.

	* ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead
	of real functions.  Simplify _tolower and _toupper.

	* grp/initgroups.c (compat_call): Remove unnecessary use of pointer
	variable.

	* iconv/gconv.h (struct gconv_info): Change data element from pointer
	to array of size 0.
	* iconv/gconv_open.c (__gconv_open): Allocate structures accordingly.
	* iconv/gconv_close.c (__gconv_close): Don't free data.

	* iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to
	insert new alias.

	* iconv/gconv_db.c (add_derivation): More efficient copying.  Check
	for error while inserting in tree.

	* include/time.h: Pretty print.

	* inet/ruserpass.c: Rewrite use of toktab to avoid string pointers
	in table and lots of relocations.
	* posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid
	string pointers in table and lots of relocations.

	* intl/finddomain.c: Remove definition of strchr macro.

	* io/ftw.c (nftw_arr, ftw_arr): Make const.

	* locale/loadlocale.c (_nl_load_locale): Optimize string copying.

	* locale/localeinfo.h (_nl_category_names): Change into an array with
	fixed width char string elements.
	* locale/setlocale.c (_nl_category_names): Likewise.
	(_nl_current): Make global.
	* locale/nl_langinfo.c (nldata): Removed.  Use _nl_current now.

	* malloc/Makefile (distribute): Add stackinfo.h.
	* sysdeps/generic/stackinfo.h: New file.
	* sysdeps/i386/stackinfo.h: New file.
	* posix/execl.c: Use stackinfo.h in optimizing alloca use.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.

	* nis/nis_table.c (__create_ib_request): Always use realloc.

	* posix/execvp.c (execute): Rename to script_execute and keep only
	code to execute using shell.
	(execvp): Call execv directly and only fall back on script_execute.

	* resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define
	and always use xdigits instead.

	* resolv/res_init.c (res_init): Use rawmemchr instead of strchr
	where appropriate.

	* stdlib/fpioconst.h (__tens): New declaration.
	(struct mp_power): Remove array, add arrayoff element.
	* stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one
	__tens array and add in _fpioconst_pow10 offsets into __tens.
	* stdio-common/printf_fp.c: Rewrite to use new __tens array.
	* stdlib/strtod.c: Likewise.

	* stdlib/a64l.c (a64l_table): Avoid unnecessary elements.

	* stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end
	of the list.
	* stdlib/atexit.c (__exit_funcs): Don't initialize.

	* stdlib/fmtmsg.c (keywords): Make name element fixed width array.

	* sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use
	a single and an array with offsets.

	* sunrpc/des_soft.c (partab): Make it const.

	* sunrpc/key_call.c (trytimeout, tottimeout): Make const.
	(__key_encryptsession_pk_LOCAL): Don't initialize with 0.
	(__key_decryptsession_pk_LOCAL): Likewise.
	(__key_gendes_LOCAL): Likewise.
	(MESSENGER): Mark const.
	(key_call_private_main): Don't initialize with 0.
	(use_keyenvoy): Don't initialize with 0.
	(key_call): Rewrite to reverse logic of use_doors variable.

	* sunrpc/netname.c (OPSYS): Define as array, not pointer.
	(startp): Don't initialize with zero.

	* sunrpc/openchild.c (_openchild): Make first argument const.

	* sunrpc/pmap_rmt.c (timeout): Mark const.
	* sunrpc/xcrypt.c (hex): Likewise.

	* sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting
	initialization of global variables.
	* sysdeps/unix/sysv/linux/getpt.c: Likewise.
	* sysdeps/unix/sysv/linux/if_index.c: Likewise.
	* termios/tcgetsid.c: Likewise.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change
	fxsr to osfxsr.

	* time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory
	block.  Add function to free memory if wanted.
	* time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read.

	* wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers.

	* wcsmbs/wmemset.c: Little code optimization.
1999-04-28 23:13:52 +00:00

261 lines
6.6 KiB
C

/* Functions to read locale data files.
Copyright (C) 1996, 1997, 1998, 1999 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. */
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef _POSIX_MAPPED_FILES
# include <sys/mman.h>
#endif
#include <sys/stat.h>
#include "localeinfo.h"
static const size_t _nl_category_num_items[] =
{
#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
[category] = _NL_ITEM_INDEX (_NL_NUM_##category),
#include "categories.def"
#undef DEFINE_CATEGORY
};
#define NO_PAREN(arg, rest...) arg, ##rest
#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
static const enum value_type _nl_value_type_##category[] = { NO_PAREN items };
#define DEFINE_ELEMENT(element, element_name, optstd, type, rest...) \
[_NL_ITEM_INDEX (element)] = type,
#include "categories.def"
#undef DEFINE_CATEGORY
static const enum value_type *_nl_value_types[] =
{
#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
[category] = _nl_value_type_##category,
#include "categories.def"
#undef DEFINE_CATEGORY
};
void
_nl_load_locale (struct loaded_l10nfile *file, int category)
{
int fd;
struct
{
unsigned int magic;
unsigned int nstrings;
unsigned int strindex[0];
} *filedata;
struct stat st;
struct locale_data *newdata;
int save_err;
int swap = 0;
int mmaped = 1;
size_t cnt;
inline unsigned int SWAP (const unsigned int *inw)
{
const unsigned char *inc = (const unsigned char *) inw;
if (!swap)
return *inw;
return (inc[3] << 24) | (inc[2] << 16) | (inc[1] << 8) | inc[0];
}
file->decided = 1;
file->data = NULL;
fd = __open (file->filename, O_RDONLY);
if (fd < 0)
/* Cannot open the file. */
return;
if (__fstat (fd, &st) < 0)
goto puntfd;
if (S_ISDIR (st.st_mode))
{
/* LOCALE/LC_foo is a directory; open LOCALE/LC_foo/SYS_LC_foo
instead. */
char *newp;
size_t filenamelen;
__close (fd);
filenamelen = strlen (file->filename);
newp = (char *) alloca (filenamelen
+ 5 + _nl_category_name_sizes[category] + 1);
__mempcpy (__mempcpy (__mempcpy (newp, file->filename, filenamelen),
"/SYS_", 5),
_nl_category_names[category],
_nl_category_name_sizes[category] + 1);
fd = __open (newp, O_RDONLY);
if (fd < 0)
return;
if (__fstat (fd, &st) < 0)
goto puntfd;
}
/* Map in the file's data. */
save_err = errno;
#ifdef _POSIX_MAPPED_FILES
# ifndef MAP_COPY
/* Linux seems to lack read-only copy-on-write. */
# define MAP_COPY MAP_PRIVATE
# endif
# ifndef MAP_FILE
/* Some systems do not have this flag; it is superfluous. */
# define MAP_FILE 0
# endif
# ifndef MAP_INHERIT
/* Some systems might lack this; they lose. */
# define MAP_INHERIT 0
# endif
filedata = (void *) __mmap ((caddr_t) 0, st.st_size, PROT_READ,
MAP_FILE|MAP_COPY|MAP_INHERIT, fd, 0);
if ((void *) filedata != MAP_FAILED)
{
if (st.st_size < sizeof (*filedata))
/* This cannot be a locale data file since it's too small. */
goto puntfd;
}
else
{
if (errno == ENOSYS)
{
#endif /* _POSIX_MAPPED_FILES */
/* No mmap; allocate a buffer and read from the file. */
mmaped = 0;
filedata = malloc (st.st_size);
if (filedata != NULL)
{
off_t to_read = st.st_size;
ssize_t nread;
char *p = (char *) filedata;
while (to_read > 0)
{
nread = __read (fd, p, to_read);
if (nread <= 0)
{
free (filedata);
if (nread == 0)
__set_errno (EINVAL); /* Bizarreness going on. */
goto puntfd;
}
p += nread;
to_read -= nread;
}
}
else
goto puntfd;
__set_errno (save_err);
#ifdef _POSIX_MAPPED_FILES
}
else
goto puntfd;
}
#endif /* _POSIX_MAPPED_FILES */
if (filedata->magic == LIMAGIC (category))
/* Good data file in our byte order. */
swap = 0;
else
{
/* Try the other byte order. */
swap = 1;
if (SWAP (&filedata->magic) != LIMAGIC (category))
/* Bad data file in either byte order. */
{
puntmap:
#ifdef _POSIX_MAPPED_FILES
if (mmaped)
__munmap ((caddr_t) filedata, st.st_size);
else
#endif /* _POSIX_MAPPED_FILES */
free (filedata);
puntfd:
__close (fd);
return;
}
}
#define W(word) SWAP (&(word))
if (W (filedata->nstrings) < _nl_category_num_items[category] ||
(sizeof *filedata + W (filedata->nstrings) * sizeof (unsigned int)
>= (size_t) st.st_size))
{
/* Insufficient data. */
__set_errno (EINVAL);
goto puntmap;
}
newdata = malloc (sizeof *newdata +
(_nl_category_num_items[category]
* sizeof (union locale_data_value)));
if (! newdata)
goto puntmap;
newdata->name = NULL; /* This will be filled if necessary in findlocale.c. */
newdata->filedata = (void *) filedata;
newdata->filesize = st.st_size;
newdata->mmaped = mmaped;
newdata->usage_count = 0;
newdata->nstrings = _nl_category_num_items[category];
for (cnt = 0; cnt < newdata->nstrings; ++cnt)
{
off_t idx = W (filedata->strindex[cnt]);
if (idx >= newdata->filesize)
{
free (newdata);
__set_errno (EINVAL);
goto puntmap;
}
if (_nl_value_types[category][cnt] == word)
newdata->values[cnt].word = W (*((u_int32_t *) (newdata->filedata
+ idx)));
else
newdata->values[cnt].string = newdata->filedata + idx;
}
__close (fd);
file->data = newdata;
}
void
_nl_unload_locale (struct locale_data *locale)
{
if (locale->name != NULL)
free ((void *) locale->name);
#ifdef _POSIX_MAPPED_FILES
if (locale->mmaped)
__munmap ((caddr_t) locale->filedata, locale->filesize);
else
#endif
free ((void *) locale->filedata);
free (locale);
}