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newlib-cygwin/winsup/cygwin/nlsfuncs.cc

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/* nlsfuncs.cc: NLS helper functions
Copyright 2010 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <stdlib.h>
#include <winnls.h>
#include <wchar.h>
#include "path.h"
#include "fhandler.h"
#include "dtable.h"
#include "cygheap.h"
#include "tls_pbuf.h"
/* Internal headers from newlib */
#include "../locale/timelocal.h"
#include "../locale/lnumeric.h"
#include "../locale/lmonetary.h"
static char *lc_time_buf;
static char *lc_numeric_buf;
static char *lc_monetary_buf;
#define _LC(x) &lc_##x##_ptr,lc_##x##_end-lc_##x##_ptr
#define getlocaleinfo(category,type) \
__getlocaleinfo(lcid,(type),_LC(category),f_wctomb,charset)
#define eval_datetimefmt(type,force) \
__eval_datetimefmt(lcid,(type),(force),&lc_time_ptr,\
lc_time_end-lc_time_ptr,f_wctomb, charset)
/* Vista and later. Not defined in w32api yet. */
extern "C" {
WINBASEAPI LCID WINAPI LocaleNameToLCID (LPCWSTR, DWORD);
};
static char last_locale[ENCODING_LEN + 1];
static LCID last_lcid;
/* Fetch LCID from POSIX locale specifier.
Return values:
-1: Invalid locale
0: C or POSIX
>0: LCID
*/
static LCID
__get_lcid_from_locale (const char *name)
{
char locale[ENCODING_LEN + 1];
char *c;
LCID lcid;
if (!strcmp (name, last_locale))
{
debug_printf ("LCID=0x%04x", last_lcid);
return last_lcid;
}
stpcpy (last_locale, name);
stpcpy (locale, name);
/* Drop charset and modifier */
c = strchr (locale, '.');
if (!c)
c = strchr (locale, '@');
if (c)
*c = '\0';
/* "POSIX" already converted to "C" in loadlocale. */
if (!strcmp (locale, "C"))
return 0;
/* Convert to form understood by LocaleNameToLCID */
c = strchr (locale, '_');
if (c)
*c = '-';
if (wincap.has_localenames ())
{
wchar_t wlocale[ENCODING_LEN + 1];
mbstowcs (wlocale, locale, ENCODING_LEN + 1);
lcid = LocaleNameToLCID (wlocale, 0);
last_lcid = lcid ?: (LCID) -1;
debug_printf ("LCID=0x%04x", last_lcid);
return last_lcid;
}
/* Pre-Vista we have to loop through the LCID values and see if they
match language and TERRITORY. */
if (c)
*c++ = '\0';
/* locale now points to the language, c points to the TERRITORY */
const char *language = locale;
const char *territory = c;
LCID lang, sublang;
char iso[10];
/* In theory the lang part takes 10 bits (0x3ff), but up to Windows 2003 R2
the highest lang value is 0x81. */
for (lang = 1; lang <= 0x81; ++lang)
if (GetLocaleInfo (lang, LOCALE_SISO639LANGNAME, iso, 10)
&& !strcmp (language, iso))
break;
if (lang > 0x81)
lcid = 0;
else if (!territory)
lcid = lang;
else
{
/* In theory the sublang part takes 7 bits (0x3f), but up to
Windows 2003 R2 the highest sublang value is 0x14. */
for (sublang = 1; sublang <= 0x14; ++sublang)
{
lcid = (sublang << 10) | lang;
if (GetLocaleInfo (lcid, LOCALE_SISO3166CTRYNAME, iso, 10)
&& !strcmp (territory, iso))
break;
}
if (sublang > 0x14)
lcid = 0;
}
last_lcid = lcid ?: (LCID) -1;
debug_printf ("LCID=0x%04x", last_lcid);
return last_lcid;
}
/* Never returns -1, *iff* s is not NULL. Just skips invalid chars
instead. s==NULL returns -1 since it's used to recognize invalid
strings in the used charset. */
static size_t
lc_wcstombs (wctomb_p f_wctomb, const char *charset,
char *s, const wchar_t *pwcs, size_t n)
{
char *ptr = s;
size_t max = n;
char buf[8];
size_t i, bytes, num_to_copy;
mbstate_t state;
memset (&state, 0, sizeof state);
if (s == NULL)
{
size_t num_bytes = 0;
while (*pwcs != 0)
{
bytes = f_wctomb (_REENT, buf, *pwcs++, charset, &state);
if (bytes == (size_t) -1)
return (size_t) -1;
num_bytes += bytes;
}
return num_bytes;
}
while (n > 0)
{
bytes = f_wctomb (_REENT, buf, *pwcs, charset, &state);
if (bytes == (size_t) -1)
{
memset (&state, 0, sizeof state);
++pwcs;
continue;
}
num_to_copy = (n > bytes ? bytes : n);
for (i = 0; i < num_to_copy; ++i)
*ptr++ = buf[i];
if (*pwcs == 0x00)
return ptr - s - (n >= bytes);
++pwcs;
n -= num_to_copy;
}
return max;
}
/* Never returns -1. Invalid sequences are translated to replacement
wide-chars. */
static size_t
lc_mbstowcs (mbtowc_p f_mbtowc, const char *charset,
wchar_t *pwcs, const char *s, size_t n)
{
size_t ret = 0;
char *t = (char *) s;
size_t bytes;
mbstate_t state;
memset (&state, 0, sizeof state);
if (!pwcs)
n = 1;
while (n > 0)
{
bytes = f_mbtowc (_REENT, pwcs, t, MB_CUR_MAX, charset, &state);
if (bytes == (size_t) -1)
{
state.__count = 0;
bytes = 1;
if (pwcs)
*pwcs = L' ';
}
else if (bytes == 0)
break;
t += bytes;
++ret;
if (pwcs)
{
++pwcs;
--n;
}
}
return ret;
}
static char *
__getlocaleinfo (LCID lcid, LCTYPE type, char **ptr, size_t size,
wctomb_p f_wctomb, const char *charset)
{
wchar_t wbuf[80];
size_t num;
char *ret;
GetLocaleInfoW (lcid, type, wbuf, 80);
num = lc_wcstombs (f_wctomb, charset, ret = *ptr, wbuf, size);
*ptr += num + 1;
return ret;
}
static UINT
getlocaleint (LCID lcid, LCTYPE type)
{
UINT val;
return GetLocaleInfoW (lcid, type | LOCALE_RETURN_NUMBER, (PWCHAR) &val,
sizeof val) ? val : 0;
}
static char *
__eval_datetimefmt (LCID lcid, LCTYPE type, int force, char **ptr,
size_t size, wctomb_p f_wctomb, const char *charset)
{
wchar_t buf[80];
wchar_t fc;
size_t num;
mbstate_t mb;
size_t idx;
const char *day_str = "edaA";
const char *mon_str = "mmbB";
const char *year_str = "yyyY";
const char *hour12_str = "lI";
const char *hour24_str = "kH";
const char *t_str;
char *ret = *ptr;
char *p = *ptr;
GetLocaleInfoW (lcid, type, buf, 80);
memset (&mb, 0, sizeof mb);
for (wchar_t *fmt = buf; *fmt; ++fmt)
switch (fc = *fmt)
{
case L'\'':
if (fmt[1] == L'\'')
*p++ = '\'';
else
while (fmt[1] && *++fmt != L'\'')
{
num = f_wctomb (_REENT, p, *fmt, charset, &mb);
if (num == (size_t) -1)
memset (&mb, 0, sizeof mb);
else
p += num;
}
break;
case L'd':
case L'M':
case L'y':
t_str = (fc == L'd' ? day_str : fc == L'M' ? mon_str : year_str);
if (fc == L'y')
force = 0;
for (idx = 1; fmt[1] == fc; ++idx, ++fmt);
if (--idx > 3)
idx = 3;
if (force && idx == 3)
idx = 2;
*p++ = '%';
*p++ = t_str[idx];
break;
case L'g':
break;
case L'h':
case L'H':
t_str = (fc == L'h' || force ? hour12_str : hour24_str);
idx = 0;
if (fmt[1] == fc)
{
++fmt;
idx = 1;
}
*p++ = '%';
*p++ = t_str[idx];
break;
case L'm':
case L's':
case L't':
if (fmt[1] == fc)
++fmt;
*p++ = '%';
*p++ = (fc == L'm' ? 'M' : fc == L's' ? 'S' : 'p');
break;
case L'\t':
case L'\n':
case L'%':
*p++ = '%';
*p++ = (char) fc;
break;
default:
num = f_wctomb (_REENT, p, *fmt, charset, &mb);
if (num == (size_t) -1)
memset (&mb, 0, sizeof mb);
else
p += num;
break;
}
*p++ = '\0';
*ptr = p;
return ret;
}
/* Convert Windows grouping format into POSIX grouping format. */
static char *
conv_grouping (LCID lcid, LCTYPE type, char **lc_ptr)
{
char buf[10]; /* Per MSDN max size of LOCALE_SGROUPING element incl. NUL */
bool repeat = false;
char *ptr = *lc_ptr;
char *ret = ptr;
GetLocaleInfoA (lcid, type, buf, 10);
/* Convert Windows grouping format into POSIX grouping format. */
for (char *c = buf; *c; ++c)
{
if (*c < '0' || *c > '9')
continue;
char val = *c - '0';
if (!val)
{
repeat = true;
break;
}
*ptr++ = val;
}
if (!repeat)
*ptr++ = CHAR_MAX;
*ptr++ = '\0';
*lc_ptr = ptr;
return ret;
}
/* Called from newlib's setlocale() via __time_load_locale() if category
is LC_TIME. Returns LC_TIME values fetched from Windows locale data
in the structure pointed to by _time_locale. This is subsequently
accessed by functions like nl_langinfo, strftime, strptime. */
extern "C" int
__set_lc_time_from_win (const char *name, struct lc_time_T *_time_locale,
wctomb_p f_wctomb, const char *charset)
{
LCID lcid = __get_lcid_from_locale (name);
if (!lcid || lcid == (LCID) -1)
return lcid;
char *new_lc_time_buf = (char *) malloc (4096);
const char *lc_time_end = new_lc_time_buf + 4096;
if (!new_lc_time_buf)
return -1;
char *lc_time_ptr = new_lc_time_buf;
/* mon */
for (int i = 0; i < 12; ++i)
_time_locale->mon[i] = getlocaleinfo (time, LOCALE_SABBREVMONTHNAME1 + i);
/* month and alt_month */
for (int i = 0; i < 12; ++i)
_time_locale->month[i] = _time_locale->alt_month[i]
= getlocaleinfo (time, LOCALE_SMONTHNAME1 + i);
/* wday */
_time_locale->wday[0] = getlocaleinfo (time, LOCALE_SABBREVDAYNAME7);
for (int i = 0; i < 6; ++i)
_time_locale->wday[i + 1] = getlocaleinfo (time,
LOCALE_SABBREVDAYNAME1 + i);
/* weekday */
_time_locale->weekday[0] = getlocaleinfo (time, LOCALE_SDAYNAME7);
for (int i = 0; i < 6; ++i)
_time_locale->weekday[i + 1] = getlocaleinfo (time, LOCALE_SDAYNAME1 + i);
/* X_fmt */
_time_locale->X_fmt = eval_datetimefmt (LOCALE_STIMEFORMAT, 0);
/* x_fmt */
_time_locale->x_fmt = eval_datetimefmt (LOCALE_SSHORTDATE, 0);
/* c_fmt */
_time_locale->c_fmt = eval_datetimefmt (LOCALE_SLONGDATE, 1);
--lc_time_ptr;
*lc_time_ptr++ = ' ';
eval_datetimefmt (LOCALE_STIMEFORMAT, 0);
/* AM/PM */
_time_locale->am_pm[0] = getlocaleinfo (time, LOCALE_S1159);
_time_locale->am_pm[1] = getlocaleinfo (time, LOCALE_S2359);
/* date_fmt */
_time_locale->date_fmt = eval_datetimefmt (LOCALE_SLONGDATE, 1);
--lc_time_ptr;
*lc_time_ptr++ = ' ';
eval_datetimefmt (LOCALE_STIMEFORMAT, 0);
--lc_time_ptr;
lc_time_ptr = stpcpy (lc_time_ptr, " %Z") + 1;
/* md */
{
wchar_t buf[80];
GetLocaleInfoW (lcid, LOCALE_IDATE, buf, 80);
lc_time_ptr = stpcpy (lc_time_ptr, *buf == L'1' ? "dm" : "md") + 1;
}
/* ampm_fmt */
_time_locale->ampm_fmt = eval_datetimefmt (LOCALE_STIMEFORMAT, 1);
char *tmp = (char *) realloc (new_lc_time_buf, lc_time_ptr - new_lc_time_buf);
if (!tmp)
{
free (new_lc_time_buf);
return -1;
}
if (lc_time_buf)
free (lc_time_buf);
lc_time_buf = tmp;
return 1;
}
/* Called from newlib's setlocale() via __numeric_load_locale() if category
is LC_NUMERIC. Returns LC_NUMERIC values fetched from Windows locale data
in the structure pointed to by _numeric_locale. This is subsequently
accessed by functions like nl_langinfo, localeconv, printf, etc. */
extern "C" int
__set_lc_numeric_from_win (const char *name,
struct lc_numeric_T *_numeric_locale,
wctomb_p f_wctomb, const char *charset)
{
LCID lcid = __get_lcid_from_locale (name);
if (!lcid || lcid == (LCID) -1)
return lcid;
char *new_lc_numeric_buf = (char *) malloc (48);
const char *lc_numeric_end = new_lc_numeric_buf + 48;
if (!new_lc_numeric_buf)
return -1;
char *lc_numeric_ptr = new_lc_numeric_buf;
/* decimal_point */
_numeric_locale->decimal_point = getlocaleinfo (numeric,
LOCALE_SDECIMAL);
/* thousands_sep */
_numeric_locale->thousands_sep = getlocaleinfo (numeric,
LOCALE_STHOUSAND);
/* grouping */
_numeric_locale->grouping = conv_grouping (lcid, LOCALE_SGROUPING,
&lc_numeric_ptr);
char *tmp = (char *) realloc (new_lc_numeric_buf,
lc_numeric_ptr - new_lc_numeric_buf);
if (!tmp)
{
free (new_lc_numeric_buf);
return -1;
}
if (lc_numeric_buf)
free (lc_numeric_buf);
lc_numeric_buf = tmp;
return 1;
}
/* Called from newlib's setlocale() via __monetary_load_locale() if category
is LC_MONETARY. Returns LC_MONETARY values fetched from Windows locale data
in the structure pointed to by _monetary_locale. This is subsequently
accessed by functions like nl_langinfo, localeconv, printf, etc. */
extern "C" int
__set_lc_monetary_from_win (const char *name,
struct lc_monetary_T *_monetary_locale,
wctomb_p f_wctomb, const char *charset)
{
LCID lcid = __get_lcid_from_locale (name);
if (!lcid || lcid == (LCID) -1)
return lcid;
char *new_lc_monetary_buf = (char *) malloc (256);
const char *lc_monetary_end = new_lc_monetary_buf + 256;
if (!new_lc_monetary_buf)
return -1;
char *lc_monetary_ptr = new_lc_monetary_buf;
/* int_curr_symbol */
_monetary_locale->int_curr_symbol = getlocaleinfo (monetary,
LOCALE_SINTLSYMBOL);
/* No spacing char means space. */
if (!_monetary_locale->int_curr_symbol[3])
{
lc_monetary_ptr[-1] = ' ';
*lc_monetary_ptr++ = '\0';
}
/* currency_symbol */
{
/* As on Linux: If the currency_symbol can't be represented in the
given charset, use int_curr_symbol. */
wchar_t wbuf[14];
GetLocaleInfoW (lcid, LOCALE_SCURRENCY, wbuf, 14);
if (lc_wcstombs (f_wctomb, charset, NULL, wbuf, 0) == (size_t) -1)
{
_monetary_locale->currency_symbol = lc_monetary_ptr;
lc_monetary_ptr = stpncpy (lc_monetary_ptr,
_monetary_locale->int_curr_symbol, 3);
*lc_monetary_ptr++ = '\0';
}
else
_monetary_locale->currency_symbol = getlocaleinfo (monetary,
LOCALE_SCURRENCY);
}
/* mon_decimal_point */
_monetary_locale->mon_decimal_point = getlocaleinfo (monetary,
LOCALE_SMONDECIMALSEP);
/* mon_thousands_sep */
_monetary_locale->mon_thousands_sep = getlocaleinfo (monetary,
LOCALE_SMONTHOUSANDSEP);
/* mon_grouping */
_monetary_locale->mon_grouping = conv_grouping (lcid, LOCALE_SMONGROUPING,
&lc_monetary_ptr);
/* positive_sign */
_monetary_locale->positive_sign = getlocaleinfo (monetary,
LOCALE_SPOSITIVESIGN);
/* negative_sign */
_monetary_locale->negative_sign = getlocaleinfo (monetary,
LOCALE_SNEGATIVESIGN);
/* int_frac_digits */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_IINTLCURRDIGITS);
_monetary_locale->int_frac_digits = lc_monetary_ptr++;
/* frac_digits */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_ICURRDIGITS);
_monetary_locale->frac_digits = lc_monetary_ptr++;
/* p_cs_precedes */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_IPOSSYMPRECEDES);
_monetary_locale->p_cs_precedes = lc_monetary_ptr++;
/* p_sep_by_space */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_IPOSSEPBYSPACE);
_monetary_locale->p_sep_by_space = lc_monetary_ptr++;
/* n_cs_precedes */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_INEGSYMPRECEDES);
_monetary_locale->n_cs_precedes = lc_monetary_ptr++;
/* n_sep_by_space */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_INEGSEPBYSPACE);
_monetary_locale->n_sep_by_space = lc_monetary_ptr++;
/* p_sign_posn */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_IPOSSIGNPOSN);
_monetary_locale->p_sign_posn = lc_monetary_ptr++;
/* p_sign_posn */
*lc_monetary_ptr = (char) getlocaleint (lcid, LOCALE_INEGSIGNPOSN);
_monetary_locale->n_sign_posn = lc_monetary_ptr++;
char *tmp = (char *) realloc (new_lc_monetary_buf,
lc_monetary_ptr - new_lc_monetary_buf);
if (!tmp)
{
free (new_lc_monetary_buf);
return -1;
}
if (lc_monetary_buf)
free (lc_monetary_buf);
lc_monetary_buf = tmp;
return 1;
}
static LCID collate_lcid = 0;
static mbtowc_p collate_mbtowc = __ascii_mbtowc;
static char collate_charset[ENCODING_LEN + 1] = "ASCII";
/* Called from newlib's setlocale() if category is LC_COLLATE. Stores
LC_COLLATE locale information. This is subsequently accessed by the
below functions strcoll, strxfrm, wcscoll, wcsxfrm. */
extern "C" int
__collate_load_locale (const char *name, mbtowc_p f_mbtowc, const char *charset)
{
LCID lcid = __get_lcid_from_locale (name);
if (lcid == (LCID) -1)
return -1;
collate_lcid = lcid;
collate_mbtowc = f_mbtowc;
stpcpy (collate_charset, charset);
return 0;
}
/* We use the Windows functions for locale-specific string comparison and
transformation. The advantage is that we don't need any files with
collation information. */
extern "C" int
wcscoll (const wchar_t *ws1, const wchar_t *ws2)
{
int ret;
if (!collate_lcid)
return wcscmp (ws1, ws2);
ret = CompareStringW (collate_lcid, 0, ws1, -1, ws2, -1);
if (!ret)
set_errno (EINVAL);
return ret - CSTR_EQUAL;
}
extern "C" int
strcoll (const char *s1, const char *s2)
{
size_t n1, n2;
wchar_t *ws1, *ws2;
tmp_pathbuf tp;
int ret;
if (!collate_lcid)
return strcmp (s1, s2);
/* The ANSI version of CompareString uses the default charset of the lcid,
so we must use the Unicode version. */
n1 = lc_mbstowcs (collate_mbtowc, collate_charset, NULL, s1, 0) + 1;
ws1 = (n1 > NT_MAX_PATH ? (wchar_t *) malloc (n1 * sizeof (wchar_t))
: tp.w_get ());
lc_mbstowcs (collate_mbtowc, collate_charset, ws1, s1, n1);
n2 = lc_mbstowcs (collate_mbtowc, collate_charset, NULL, s2, 0) + 1;
ws2 = (n2 > NT_MAX_PATH ? (wchar_t *) malloc (n2 * sizeof (wchar_t))
: tp.w_get ());
lc_mbstowcs (collate_mbtowc, collate_charset, ws2, s2, n2);
ret = CompareStringW (collate_lcid, 0, ws1, -1, ws2, -1);
if (n1 > NT_MAX_PATH)
free (ws1);
if (n2 > NT_MAX_PATH)
free (ws2);
if (!ret)
set_errno (EINVAL);
return ret - CSTR_EQUAL;
}
extern "C" size_t
wcsxfrm (wchar_t *ws1, const wchar_t *ws2, size_t wsn)
{
size_t ret;
if (!collate_lcid)
return wcslcpy (ws1, ws2, wsn);
ret = LCMapStringW (collate_lcid, LCMAP_SORTKEY | LCMAP_BYTEREV,
ws2, -1, ws1, wsn * sizeof (wchar_t));
/* LCMapStringW returns byte count including the terminating NUL character,
wcsxfrm is supposed to return length in wchar_t excluding the NUL.
Since the array is only single byte NUL-terminated we must make sure
the result is wchar_t-NUL terminated. */
if (ret)
{
ret = (ret + 1) / sizeof (wchar_t);
if (ret >= wsn)
return wsn;
ws1[ret] = L'\0';
return ret;
}
if (GetLastError () != ERROR_INSUFFICIENT_BUFFER)
set_errno (EINVAL);
return wsn;
}
extern "C" size_t
strxfrm (char *s1, const char *s2, size_t sn)
{
size_t ret;
size_t n2;
wchar_t *ws2;
tmp_pathbuf tp;
if (!collate_lcid)
return strlcpy (s1, s2, sn);
/* The ANSI version of LCMapString uses the default charset of the lcid,
so we must use the Unicode version. */
n2 = lc_mbstowcs (collate_mbtowc, collate_charset, NULL, s2, 0) + 1;
ws2 = (n2 > NT_MAX_PATH ? (wchar_t *) malloc (n2 * sizeof (wchar_t))
: tp.w_get ());
lc_mbstowcs (collate_mbtowc, collate_charset, ws2, s2, n2);
/* The sort key is a NUL-terminated byte string. */
ret = LCMapStringW (collate_lcid, LCMAP_SORTKEY, ws2, -1, (PWCHAR) s1, sn);
if (n2 > NT_MAX_PATH)
free (ws2);
if (ret == 0)
{
if (GetLastError () != ERROR_INSUFFICIENT_BUFFER)
set_errno (EINVAL);
return sn;
}
/* LCMapStringW returns byte count including the terminating NUL character.
strxfrm is supposed to return length excluding the NUL. */
return ret - 1;
}
/* Fetch default ANSI codepage from locale info and generate a setlocale
compatible character set code. Called from newlib's setlocale(), if the
charset isn't given explicitely in the POSIX compatible locale specifier.
The function also returns a pointer to the corresponding _mbtowc_r function
which is used subsequently. */
extern "C" void
__set_charset_from_locale (const char *locale, char *charset)
{
UINT cp;
LCID lcid = __get_lcid_from_locale (locale);
/* "C" locale, or invalid locale? */
if (lcid == 0 || lcid == (LCID) -1)
{
__small_sprintf (charset, "ASCII");
return;
}
if (!GetLocaleInfoW (lcid,
LOCALE_IDEFAULTANSICODEPAGE | LOCALE_RETURN_NUMBER,
(PWCHAR) &cp, sizeof cp))
cp = 0;
/* codepage to de-facto standard charset transition. */
switch (cp)
{
case 874:
__small_sprintf (charset, "CP%u", cp);
break;
case 932:
strcpy (charset, "EUCJP");
break;
case 936:
strcpy (charset, "GBK");
break;
case 949:
strcpy (charset, "EUCKR");
break;
case 950:
strcpy (charset, "BIG5");
break;
case 1250:
strcpy (charset, "ISO-8859-2");
break;
case 1251:
strcpy (charset, "ISO-8859-5");
break;
case 1252:
strcpy (charset, "ISO-8859-1");
break;
case 1253:
strcpy (charset, "ISO-8859-7");
break;
case 1254:
strcpy (charset, "ISO-8859-9");
break;
case 1255:
strcpy (charset, "ISO-8859-8");
break;
case 1256:
strcpy (charset, "ISO-8859-6");
break;
case 1257:
strcpy (charset, "ISO-8859-13");
break;
case 1258:
default:
strcpy (charset, "UTF-8");
break;
}
if (cp >= 1250 && cp <= 1257)
{
char *c = strchr (locale, '@');
if (c && !strcmp (c + 1, "euro"))
strcpy (charset, "ISO-8859-15");
}
}
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