Sweden-Number/dlls/ntdll/locale.c

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/*
* Locale functions
*
* Copyright 2004, 2019 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#include "config.h"
#include "wine/port.h"
#include <locale.h>
#include <langinfo.h>
#include <string.h>
#include <stdlib.h>
#ifdef __APPLE__
# include <CoreFoundation/CFLocale.h>
# include <CoreFoundation/CFString.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "ntdll_misc.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(nls);
/* NLS file format:
*
* header:
* WORD offset to cp2uni table in words
* WORD CodePage
* WORD MaximumCharacterSize
* BYTE[2] DefaultChar
* WORD UniDefaultChar
* WORD TransDefaultChar
* WORD TransUniDefaultChar
* BYTE[12] LeadByte
* cp2uni table:
* WORD offset to uni2cp table in words
* WORD[256] cp2uni table
* WORD glyph table size
* WORD[glyph_table_size] glyph table
* WORD number of lead byte ranges
* WORD[256] lead byte offsets in words
* WORD[leadbytes][256] cp2uni table for lead bytes
* uni2cp table:
* WORD 0 / 4
* BYTE[65536] / WORD[65536] uni2cp table
*/
enum nls_section_type
{
NLS_SECTION_CASEMAP = 10,
NLS_SECTION_CODEPAGE = 11,
NLS_SECTION_NORMALIZE = 12
};
UINT NlsAnsiCodePage = 0;
BYTE NlsMbCodePageTag = 0;
BYTE NlsMbOemCodePageTag = 0;
LCID user_lcid = 0, system_lcid = 0;
static LANGID user_ui_language, system_ui_language;
static NLSTABLEINFO nls_info;
static HMODULE kernel32_handle;
static const union cptable *unix_table; /* NULL if UTF8 */
static NTSTATUS load_string( ULONG id, LANGID lang, WCHAR *buffer, ULONG len )
{
const IMAGE_RESOURCE_DATA_ENTRY *data;
LDR_RESOURCE_INFO info;
NTSTATUS status;
WCHAR *p;
int i;
info.Type = 6; /* RT_STRING */
info.Name = (id >> 4) + 1;
info.Language = lang;
if ((status = LdrFindResource_U( kernel32_handle, &info, 3, &data ))) return status;
p = (WCHAR *)((char *)kernel32_handle + data->OffsetToData);
for (i = 0; i < (id & 0x0f); i++) p += *p + 1;
if (*p >= len) return STATUS_BUFFER_TOO_SMALL;
memcpy( buffer, p + 1, *p * sizeof(WCHAR) );
buffer[*p] = 0;
return STATUS_SUCCESS;
}
static DWORD mbtowc_size( const CPTABLEINFO *info, LPCSTR str, UINT len )
{
DWORD res;
if (!info->DBCSCodePage) return len;
for (res = 0; len; len--, str++, res++)
{
if (info->DBCSOffsets[(unsigned char)*str] && len > 1)
{
str++;
len--;
}
}
return res;
}
static DWORD wctomb_size( const CPTABLEINFO *info, LPCWSTR str, UINT len )
{
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
DWORD res;
for (res = 0; len; len--, str++, res++)
if (uni2cp[*str] & 0xff00) res++;
return res;
}
else return len;
}
static WCHAR casemap( USHORT *table, WCHAR ch )
{
return ch + table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0x0f)];
}
static WCHAR casemap_ascii( WCHAR ch )
{
if (ch >= 'a' && ch <= 'z') ch -= 'a' - 'A';
return ch;
}
static NTSTATUS open_nls_data_file( ULONG type, ULONG id, HANDLE *file )
{
static const WCHAR pathfmtW[] = {'\\','?','?','\\','%','s','%','s',0};
static const WCHAR keyfmtW[] =
{'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\','S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\','N','l','s','\\','%','s',0};
static const WCHAR cpW[] = {'C','o','d','e','p','a','g','e',0};
static const WCHAR normW[] = {'N','o','r','m','a','l','i','z','a','t','i','o','n',0};
static const WCHAR langW[] = {'L','a','n','g','u','a','g','e',0};
static const WCHAR cpfmtW[] = {'%','u',0};
static const WCHAR normfmtW[] = {'%','x',0};
static const WCHAR langfmtW[] = {'%','0','4','x',0};
static const WCHAR winedatadirW[] = {'W','I','N','E','D','A','T','A','D','I','R',0};
static const WCHAR winebuilddirW[] = {'W','I','N','E','B','U','I','L','D','D','I','R',0};
static const WCHAR dataprefixW[] = {'\\',0};
static const WCHAR buildprefixW[] = {'\\','l','o','a','d','e','r','\\',0};
static const WCHAR cpdefaultW[] = {'c','_','%','0','3','d','.','n','l','s',0};
static const WCHAR intlW[] = {'l','_','i','n','t','l','.','n','l','s',0};
static const WCHAR normnfcW[] = {'n','o','r','m','n','f','c','.','n','l','s',0};
static const WCHAR normnfdW[] = {'n','o','r','m','n','f','d','.','n','l','s',0};
static const WCHAR normnfkcW[] = {'n','o','r','m','n','f','k','c','.','n','l','s',0};
static const WCHAR normnfkdW[] = {'n','o','r','m','n','f','k','d','.','n','l','s',0};
DWORD size;
HANDLE handle;
NTSTATUS status;
IO_STATUS_BLOCK io;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, valueW;
WCHAR buffer[MAX_PATH], value[10];
const WCHAR *name = NULL, *prefix = buildprefixW;
KEY_VALUE_PARTIAL_INFORMATION *info;
/* get filename from registry */
switch (type)
{
case NLS_SECTION_CASEMAP:
if (id) return STATUS_UNSUCCESSFUL;
sprintfW( buffer, keyfmtW, langW );
sprintfW( value, langfmtW, LANGIDFROMLCID(system_lcid) );
break;
case NLS_SECTION_CODEPAGE:
sprintfW( buffer, keyfmtW, cpW );
sprintfW( value, cpfmtW, id );
break;
case NLS_SECTION_NORMALIZE:
sprintfW( buffer, keyfmtW, normW );
sprintfW( value, normfmtW, id );
break;
default:
return STATUS_INVALID_PARAMETER_1;
}
RtlInitUnicodeString( &nameW, buffer );
RtlInitUnicodeString( &valueW, value );
InitializeObjectAttributes( &attr, &nameW, 0, 0, NULL );
if (!(status = NtOpenKey( &handle, KEY_READ, &attr )))
{
info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
size = sizeof(buffer) - sizeof(WCHAR);
if (!(status = NtQueryValueKey( handle, &valueW, KeyValuePartialInformation, info, size, &size )))
{
((WCHAR *)info->Data)[info->DataLength / sizeof(WCHAR)] = 0;
name = (WCHAR *)info->Data;
}
NtClose( handle );
}
if (!name) /* otherwise some hardcoded defaults */
{
switch (type)
{
case NLS_SECTION_CASEMAP:
name = intlW;
break;
case NLS_SECTION_CODEPAGE:
sprintfW( buffer, cpdefaultW, id );
name = buffer;
break;
case NLS_SECTION_NORMALIZE:
switch (id)
{
case NormalizationC: name = normnfcW; break;
case NormalizationD: name = normnfdW; break;
case NormalizationKC: name = normnfkcW; break;
case NormalizationKD: name = normnfkdW; break;
}
break;
}
if (!name) return status;
}
/* try to open file in system dir */
valueW.MaximumLength = (strlenW(name) + strlenW(system_dir) + 5) * sizeof(WCHAR);
if (!(valueW.Buffer = RtlAllocateHeap( GetProcessHeap(), 0, valueW.MaximumLength )))
return STATUS_NO_MEMORY;
valueW.Length = sprintfW( valueW.Buffer, pathfmtW, system_dir, name ) * sizeof(WCHAR);
InitializeObjectAttributes( &attr, &valueW, 0, 0, NULL );
status = NtOpenFile( file, GENERIC_READ, &attr, &io, FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_ALERT );
if (!status) TRACE( "found %s\n", debugstr_w( valueW.Buffer ));
RtlFreeUnicodeString( &valueW );
if (status != STATUS_OBJECT_NAME_NOT_FOUND) return status;
/* not found, try in build or data dir */
RtlInitUnicodeString( &nameW, winebuilddirW );
valueW.MaximumLength = 0;
if (RtlQueryEnvironmentVariable_U( NULL, &nameW, &valueW ) != STATUS_BUFFER_TOO_SMALL)
{
RtlInitUnicodeString( &nameW, winedatadirW );
prefix = dataprefixW;
if (RtlQueryEnvironmentVariable_U( NULL, &nameW, &valueW ) != STATUS_BUFFER_TOO_SMALL)
return status;
}
valueW.MaximumLength = valueW.Length + sizeof(buildprefixW) + strlenW(name) * sizeof(WCHAR);
if (!(valueW.Buffer = RtlAllocateHeap( GetProcessHeap(), 0, valueW.MaximumLength )))
return STATUS_NO_MEMORY;
if (!RtlQueryEnvironmentVariable_U( NULL, &nameW, &valueW ))
{
strcatW( valueW.Buffer, prefix );
strcatW( valueW.Buffer, name );
valueW.Length = strlenW(valueW.Buffer) * sizeof(WCHAR);
InitializeObjectAttributes( &attr, &valueW, 0, 0, NULL );
status = NtOpenFile( file, GENERIC_READ, &attr, &io, FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_ALERT );
if (!status) TRACE( "found %s\n", debugstr_w( valueW.Buffer ));
}
RtlFreeUnicodeString( &valueW );
return status;
}
static USHORT *build_cptable( const union cptable *src, SIZE_T *size )
{
unsigned int i, leadbytes = 0;
USHORT *data, *ptr;
*size = 13 + 1 + 256 + 1 + 1 + 1;
if (src->info.char_size == 2)
{
for (i = leadbytes = 0; i < 256; i++) if (src->dbcs.cp2uni_leadbytes[i]) leadbytes++;
*size += 256 + 256 * leadbytes;
*size += 65536;
*size *= sizeof(USHORT);
}
else
{
if (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni) *size += 256;
*size *= sizeof(USHORT);
*size += 65536;
}
if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, *size ))) return NULL;
ptr = data;
ptr[0] = 0x0d;
ptr[1] = src->info.codepage;
ptr[2] = src->info.char_size;
ptr[3] = (src->info.def_char & 0xff00 ?
RtlUshortByteSwap( src->info.def_char ) : src->info.def_char);
ptr[4] = src->info.def_unicode_char;
if (src->info.char_size == 2)
{
USHORT off = src->dbcs.cp2uni_leadbytes[src->info.def_char >> 8] * 256;
ptr[5] = src->dbcs.cp2uni[off + (src->info.def_char & 0xff)];
ptr[6] = src->dbcs.uni2cp_low[src->dbcs.uni2cp_high[src->info.def_unicode_char >> 8]
+ (src->info.def_unicode_char & 0xff)];
ptr += 7;
memcpy( ptr, src->dbcs.lead_bytes, 12 );
ptr += 6;
*ptr++ = 256 + 3 + (leadbytes + 1) * 256;
for (i = 0; i < 256; i++) *ptr++ = (src->dbcs.cp2uni_leadbytes[i] ? 0 : src->dbcs.cp2uni[i]);
*ptr++ = 0;
for (i = 0; i < 12; i++) if (!src->dbcs.lead_bytes[i]) break;
*ptr++ = i / 2;
for (i = 0; i < 256; i++) *ptr++ = 256 * src->dbcs.cp2uni_leadbytes[i];
for (i = 0; i < leadbytes; i++, ptr += 256)
memcpy( ptr, src->dbcs.cp2uni + 256 * (i + 1), 256 * sizeof(USHORT) );
*ptr++ = 4;
for (i = 0; i < 65536; i++)
ptr[i] = src->dbcs.uni2cp_low[src->dbcs.uni2cp_high[i >> 8] + (i & 0xff)];
}
else
{
char *uni2cp;
ptr[5] = src->sbcs.cp2uni[src->info.def_char];
ptr[6] = src->sbcs.uni2cp_low[src->sbcs.uni2cp_high[src->info.def_unicode_char >> 8]
+ (src->info.def_unicode_char & 0xff)];
ptr += 7;
memset( ptr, 0, 12 );
ptr += 6;
*ptr++ = 256 + 3 + (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni ? 256 : 0);
memcpy( ptr, src->sbcs.cp2uni, 256 * sizeof(USHORT) );
ptr += 256;
if (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni)
{
*ptr++ = 256;
memcpy( ptr, src->sbcs.cp2uni_glyphs, 256 * sizeof(USHORT) );
ptr += 256;
}
else *ptr++ = 0;
*ptr++ = 0;
*ptr++ = 0;
uni2cp = (char *)ptr;
for (i = 0; i < 65536; i++)
uni2cp[i] = src->sbcs.uni2cp_low[src->sbcs.uni2cp_high[i >> 8] + (i & 0xff)];
}
return data;
}
#if !defined(__APPLE__) && !defined(__ANDROID__) /* these platforms always use UTF-8 */
/* charset to codepage map, sorted by name */
static const struct { const char *name; UINT cp; } charset_names[] =
{
{ "ANSIX341968", 20127 },
{ "BIG5", 950 },
{ "BIG5HKSCS", 950 },
{ "CP1250", 1250 },
{ "CP1251", 1251 },
{ "CP1252", 1252 },
{ "CP1253", 1253 },
{ "CP1254", 1254 },
{ "CP1255", 1255 },
{ "CP1256", 1256 },
{ "CP1257", 1257 },
{ "CP1258", 1258 },
{ "CP932", 932 },
{ "CP936", 936 },
{ "CP949", 949 },
{ "CP950", 950 },
{ "EUCJP", 20932 },
{ "EUCKR", 949 },
{ "GB18030", 936 /* 54936 */ },
{ "GB2312", 936 },
{ "GBK", 936 },
{ "IBM037", 37 },
{ "IBM1026", 1026 },
{ "IBM424", 424 },
{ "IBM437", 437 },
{ "IBM500", 500 },
{ "IBM850", 850 },
{ "IBM852", 852 },
{ "IBM855", 855 },
{ "IBM857", 857 },
{ "IBM860", 860 },
{ "IBM861", 861 },
{ "IBM862", 862 },
{ "IBM863", 863 },
{ "IBM864", 864 },
{ "IBM865", 865 },
{ "IBM866", 866 },
{ "IBM869", 869 },
{ "IBM874", 874 },
{ "IBM875", 875 },
{ "ISO88591", 28591 },
{ "ISO885910", 28600 },
{ "ISO885911", 28601 },
{ "ISO885913", 28603 },
{ "ISO885914", 28604 },
{ "ISO885915", 28605 },
{ "ISO885916", 28606 },
{ "ISO88592", 28592 },
{ "ISO88593", 28593 },
{ "ISO88594", 28594 },
{ "ISO88595", 28595 },
{ "ISO88596", 28596 },
{ "ISO88597", 28597 },
{ "ISO88598", 28598 },
{ "ISO88599", 28599 },
{ "KOI8R", 20866 },
{ "KOI8U", 21866 },
{ "TIS620", 28601 },
{ "UTF8", CP_UTF8 }
};
void init_unix_codepage(void)
{
char charset_name[16];
const char *name;
size_t i, j;
int min = 0, max = ARRAY_SIZE(charset_names) - 1;
setlocale( LC_CTYPE, "" );
if (!(name = nl_langinfo( CODESET ))) return;
/* remove punctuation characters from charset name */
for (i = j = 0; name[i] && j < sizeof(charset_name)-1; i++)
if (isalnum((unsigned char)name[i])) charset_name[j++] = name[i];
charset_name[j] = 0;
while (min <= max)
{
int pos = (min + max) / 2;
int res = _strnicmp( charset_names[pos].name, charset_name, -1 );
if (!res)
{
if (charset_names[pos].cp == CP_UTF8) return;
unix_table = wine_cp_get_table( charset_names[pos].cp );
return;
}
if (res > 0) max = pos - 1;
else min = pos + 1;
}
ERR( "unrecognized charset '%s'\n", name );
}
#else /* __APPLE__ || __ANDROID__ */
void init_unix_codepage(void) { }
#endif /* __APPLE__ || __ANDROID__ */
/* Unix format is: lang[_country][.charset][@modifier]
* Windows format is: lang[-script][-country][_modifier] */
static LCID unix_locale_to_lcid( const char *unix_name )
{
static const WCHAR sepW[] = {'_','.','@',0};
static const WCHAR posixW[] = {'P','O','S','I','X',0};
static const WCHAR cW[] = {'C',0};
static const WCHAR euroW[] = {'e','u','r','o',0};
static const WCHAR latinW[] = {'l','a','t','i','n',0};
static const WCHAR latnW[] = {'-','L','a','t','n',0};
WCHAR buffer[LOCALE_NAME_MAX_LENGTH], win_name[LOCALE_NAME_MAX_LENGTH];
WCHAR *p, *country = NULL, *modifier = NULL;
LCID lcid;
if (!unix_name || !unix_name[0] || !strcmp( unix_name, "C" ))
{
unix_name = getenv( "LC_ALL" );
if (!unix_name || !unix_name[0]) return 0;
}
if (ntdll_umbstowcs( 0, unix_name, strlen(unix_name) + 1, buffer, ARRAY_SIZE(buffer) ) < 0) return 0;
if (!(p = strpbrkW( buffer, sepW )))
{
if (!strcmpW( buffer, posixW ) || !strcmpW( buffer, cW ))
return MAKELCID( MAKELANGID(LANG_ENGLISH,SUBLANG_DEFAULT), SORT_DEFAULT );
strcpyW( win_name, buffer );
}
else
{
if (*p == '_')
{
*p++ = 0;
country = p;
p = strpbrkW( p, sepW + 1 );
}
if (p && *p == '.')
{
*p++ = 0;
/* charset, ignore */
p = strchrW( p, '@' );
}
if (p)
{
*p++ = 0;
modifier = p;
}
}
/* rebuild a Windows name */
strcpyW( win_name, buffer );
if (modifier)
{
if (!strcmpW( modifier, latinW )) strcatW( win_name, latnW );
else if (!strcmpW( modifier, euroW )) {} /* ignore */
else return 0;
}
if (country)
{
p = win_name + strlenW(win_name);
*p++ = '-';
strcpyW( p, country );
}
if (!RtlLocaleNameToLcid( win_name, &lcid, 0 )) return lcid;
/* try neutral name */
if (country)
{
p[-1] = 0;
if (!RtlLocaleNameToLcid( win_name, &lcid, 2 ))
{
if (SUBLANGID(lcid) == SUBLANG_NEUTRAL)
lcid = MAKELANGID( PRIMARYLANGID(lcid), SUBLANG_DEFAULT );
return lcid;
}
}
return 0;
}
/******************************************************************
* init_locale
*/
void init_locale( HMODULE module )
{
LCID system_lcid, user_lcid;
kernel32_handle = module;
setlocale( LC_ALL, "" );
system_lcid = unix_locale_to_lcid( setlocale( LC_CTYPE, NULL ));
user_lcid = unix_locale_to_lcid( setlocale( LC_MESSAGES, NULL ));
#ifdef __APPLE__
if (!system_lcid)
{
char buffer[LOCALE_NAME_MAX_LENGTH];
CFLocaleRef locale = CFLocaleCopyCurrent();
CFStringRef lang = CFLocaleGetValue( locale, kCFLocaleLanguageCode );
CFStringRef country = CFLocaleGetValue( locale, kCFLocaleCountryCode );
CFStringRef locale_string;
if (country)
locale_string = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@_%@"), lang, country);
else
locale_string = CFStringCreateCopy(NULL, lang);
CFStringGetCString(locale_string, buffer, sizeof(buffer), kCFStringEncodingUTF8);
system_lcid = unix_locale_to_lcid( buffer );
CFRelease(locale);
CFRelease(locale_string);
}
if (!user_lcid)
{
/* Retrieve the preferred language as chosen in System Preferences. */
char buffer[LOCALE_NAME_MAX_LENGTH];
CFArrayRef preferred_langs = CFLocaleCopyPreferredLanguages();
if (preferred_langs && CFArrayGetCount( preferred_langs ))
{
CFStringRef preferred_lang = CFArrayGetValueAtIndex( preferred_langs, 0 );
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier( NULL, preferred_lang );
if (components)
{
CFStringRef lang = CFDictionaryGetValue( components, kCFLocaleLanguageCode );
CFStringRef country = CFDictionaryGetValue( components, kCFLocaleCountryCode );
CFLocaleRef locale = NULL;
CFStringRef locale_string;
if (!country)
{
locale = CFLocaleCopyCurrent();
country = CFLocaleGetValue( locale, kCFLocaleCountryCode );
}
if (country)
locale_string = CFStringCreateWithFormat( NULL, NULL, CFSTR("%@_%@"), lang, country );
else
locale_string = CFStringCreateCopy( NULL, lang );
CFStringGetCString( locale_string, buffer, sizeof(buffer), kCFStringEncodingUTF8 );
CFRelease( locale_string );
if (locale) CFRelease( locale );
CFRelease( components );
user_lcid = unix_locale_to_lcid( buffer );
}
}
if (preferred_langs) CFRelease( preferred_langs );
}
#endif
if (!system_lcid) system_lcid = MAKELCID( MAKELANGID(LANG_ENGLISH,SUBLANG_DEFAULT), SORT_DEFAULT );
if (!user_lcid) user_lcid = system_lcid;
NtSetDefaultUILanguage( LANGIDFROMLCID(user_lcid) );
NtSetDefaultLocale( TRUE, user_lcid );
NtSetDefaultLocale( FALSE, system_lcid );
TRACE( "system=%04x user=%04x\n", system_lcid, user_lcid );
setlocale( LC_NUMERIC, "C" ); /* FIXME: oleaut32 depends on this */
}
/******************************************************************
* ntdll_umbstowcs
*/
int ntdll_umbstowcs( DWORD flags, const char *src, int srclen, WCHAR *dst, int dstlen )
{
DWORD reslen;
NTSTATUS status;
if (unix_table) return wine_cp_mbstowcs( unix_table, flags, src, srclen, dst, dstlen );
if (!dstlen) dst = NULL;
status = RtlUTF8ToUnicodeN( dst, dstlen * sizeof(WCHAR), &reslen, src, srclen );
if (status && status != STATUS_SOME_NOT_MAPPED) return 0;
reslen /= sizeof(WCHAR);
#ifdef __APPLE__ /* work around broken Mac OS X filesystem that enforces decomposed Unicode */
if (reslen && dst) RtlNormalizeString( NormalizationC, dst, reslen, dst, (int *)&reslen );
#endif
return reslen;
}
/******************************************************************
* ntdll_wcstoumbs
*/
int ntdll_wcstoumbs( DWORD flags, const WCHAR *src, int srclen, char *dst, int dstlen,
const char *defchar, int *used )
{
DWORD reslen;
NTSTATUS status;
if (unix_table) return wine_cp_wcstombs( unix_table, flags, src, srclen, dst, dstlen, defchar, used );
if (used) *used = 0; /* all chars are valid for UTF-8 */
if (!dstlen) dst = NULL;
status = RtlUnicodeToUTF8N( dst, dstlen, &reslen, src, srclen * sizeof(WCHAR) );
if (status && status != STATUS_SOME_NOT_MAPPED) return 0;
return reslen;
}
/******************************************************************
* __wine_get_unix_codepage (NTDLL.@)
*/
UINT CDECL __wine_get_unix_codepage(void)
{
if (!unix_table) return CP_UTF8;
return unix_table->info.codepage;
}
/**********************************************************************
* NtQueryDefaultLocale (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryDefaultLocale( BOOLEAN user, LCID *lcid )
{
*lcid = user ? user_lcid : system_lcid;
return STATUS_SUCCESS;
}
/**********************************************************************
* NtSetDefaultLocale (NTDLL.@)
*/
NTSTATUS WINAPI NtSetDefaultLocale( BOOLEAN user, LCID lcid )
{
if (user) user_lcid = lcid;
else
{
system_lcid = lcid;
system_ui_language = LANGIDFROMLCID(lcid); /* there is no separate call to set it */
}
return STATUS_SUCCESS;
}
/**********************************************************************
* NtQueryDefaultUILanguage (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryDefaultUILanguage( LANGID *lang )
{
*lang = user_ui_language;
return STATUS_SUCCESS;
}
/**********************************************************************
* NtSetDefaultUILanguage (NTDLL.@)
*/
NTSTATUS WINAPI NtSetDefaultUILanguage( LANGID lang )
{
user_ui_language = lang;
return STATUS_SUCCESS;
}
/**********************************************************************
* NtQueryInstallUILanguage (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryInstallUILanguage( LANGID *lang )
{
*lang = system_ui_language;
return STATUS_SUCCESS;
}
/**************************************************************************
* NtGetNlsSectionPtr (NTDLL.@)
*/
NTSTATUS WINAPI NtGetNlsSectionPtr( ULONG type, ULONG id, void *unknown, void **ptr, SIZE_T *size )
{
FILE_END_OF_FILE_INFORMATION info;
IO_STATUS_BLOCK io;
HANDLE file;
NTSTATUS status;
if ((status = open_nls_data_file( type, id, &file )))
{
/* FIXME: special case for codepage table, generate it from the libwine data */
if (type == NLS_SECTION_CODEPAGE)
{
const union cptable *table = wine_cp_get_table( id );
if (table && (*ptr = build_cptable( table, size ))) return STATUS_SUCCESS;
}
return status;
}
if ((status = NtQueryInformationFile( file, &io, &info, sizeof(info), FileEndOfFileInformation )))
goto done;
/* FIXME: return a heap block instead of a file mapping for now */
if (!(*ptr = RtlAllocateHeap( GetProcessHeap(), 0, info.EndOfFile.QuadPart )))
{
status = STATUS_NO_MEMORY;
goto done;
}
status = NtReadFile( file, 0, NULL, NULL, &io, *ptr, info.EndOfFile.QuadPart, NULL, NULL );
if (!status && io.Information != info.EndOfFile.QuadPart) status = STATUS_INVALID_FILE_FOR_SECTION;
if (!status) *size = io.Information;
else RtlFreeHeap( GetProcessHeap(), 0, *ptr );
done:
NtClose( file );
return status;
}
/******************************************************************
* RtlInitCodePageTable (NTDLL.@)
*/
void WINAPI RtlInitCodePageTable( USHORT *ptr, CPTABLEINFO *info )
{
USHORT hdr_size = ptr[0];
info->CodePage = ptr[1];
info->MaximumCharacterSize = ptr[2];
info->DefaultChar = ptr[3];
info->UniDefaultChar = ptr[4];
info->TransDefaultChar = ptr[5];
info->TransUniDefaultChar = ptr[6];
memcpy( info->LeadByte, ptr + 7, sizeof(info->LeadByte) );
ptr += hdr_size;
info->WideCharTable = ptr + ptr[0] + 1;
info->MultiByteTable = ++ptr;
ptr += 256;
if (*ptr++) ptr += 256; /* glyph table */
info->DBCSRanges = ptr;
if (*ptr) /* dbcs ranges */
{
info->DBCSCodePage = 1;
info->DBCSOffsets = ptr + 1;
}
else
{
info->DBCSCodePage = 0;
info->DBCSOffsets = NULL;
}
}
/**************************************************************************
* RtlInitNlsTables (NTDLL.@)
*/
void WINAPI RtlInitNlsTables( USHORT *ansi, USHORT *oem, USHORT *casetable, NLSTABLEINFO *info )
{
RtlInitCodePageTable( ansi, &info->AnsiTableInfo );
RtlInitCodePageTable( oem, &info->OemTableInfo );
info->UpperCaseTable = casetable + 2;
info->LowerCaseTable = casetable + casetable[1] + 2;
}
/**************************************************************************
* RtlResetRtlTranslations (NTDLL.@)
*/
void WINAPI RtlResetRtlTranslations( const NLSTABLEINFO *info )
{
NlsAnsiCodePage = info->AnsiTableInfo.CodePage;
NlsMbCodePageTag = info->AnsiTableInfo.DBCSCodePage;
NlsMbOemCodePageTag = info->OemTableInfo.DBCSCodePage;
nls_info = *info;
}
/**************************************************************************
* RtlAnsiCharToUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlAnsiCharToUnicodeChar( char **ansi )
{
if (nls_info.AnsiTableInfo.DBCSOffsets)
{
USHORT off = nls_info.AnsiTableInfo.DBCSOffsets[(unsigned char)**ansi];
if (off)
{
(*ansi)++;
return nls_info.AnsiTableInfo.DBCSOffsets[off + (unsigned char)*(*ansi)++];
}
}
return nls_info.AnsiTableInfo.MultiByteTable[(unsigned char)*(*ansi)++];
}
/******************************************************************************
* RtlCompareUnicodeStrings (NTDLL.@)
*/
LONG WINAPI RtlCompareUnicodeStrings( const WCHAR *s1, SIZE_T len1, const WCHAR *s2, SIZE_T len2,
BOOLEAN case_insensitive )
{
LONG ret = 0;
SIZE_T len = min( len1, len2 );
if (case_insensitive)
{
if (nls_info.UpperCaseTable)
{
while (!ret && len--) ret = casemap( nls_info.UpperCaseTable, *s1++ ) -
casemap( nls_info.UpperCaseTable, *s2++ );
}
else /* locale not setup yet */
{
while (!ret && len--) ret = casemap_ascii( *s1++ ) - casemap_ascii( *s2++ );
}
}
else
{
while (!ret && len--) ret = *s1++ - *s2++;
}
if (!ret) ret = len1 - len2;
return ret;
}
/**************************************************************************
* RtlPrefixUnicodeString (NTDLL.@)
*/
BOOLEAN WINAPI RtlPrefixUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
BOOLEAN ignore_case )
{
unsigned int i;
if (s1->Length > s2->Length) return FALSE;
if (ignore_case)
{
for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
if (casemap( nls_info.UpperCaseTable, s1->Buffer[i] ) !=
casemap( nls_info.UpperCaseTable, s2->Buffer[i] )) return FALSE;
}
else
{
for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
}
return TRUE;
}
/**************************************************************************
* RtlCustomCPToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlCustomCPToUnicodeN( CPTABLEINFO *info, WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
DWORD i, ret;
dstlen /= sizeof(WCHAR);
if (info->DBCSOffsets)
{
for (i = dstlen; srclen && i; i--, srclen--, src++, dst++)
{
USHORT off = info->DBCSOffsets[(unsigned char)*src];
if (off && srclen > 1)
{
src++;
srclen--;
*dst = info->DBCSOffsets[off + (unsigned char)*src];
}
else *dst = info->MultiByteTable[(unsigned char)*src];
}
ret = dstlen - i;
}
else
{
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = info->MultiByteTable[(unsigned char)src[i]];
}
if (reslen) *reslen = ret * sizeof(WCHAR);
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToCustomCPN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToCustomCPN( CPTABLEINFO *info, char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
DWORD i, ret;
srclen /= sizeof(WCHAR);
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
for (i = dstlen; srclen && i; i--, srclen--, src++)
{
if (uni2cp[*src] & 0xff00)
{
if (i == 1) break; /* do not output a partial char */
i--;
*dst++ = uni2cp[*src] >> 8;
}
*dst++ = (char)uni2cp[*src];
}
ret = dstlen - i;
}
else
{
char *uni2cp = info->WideCharTable;
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = uni2cp[src[i]];
}
if (reslen) *reslen = ret;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlMultiByteToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlMultiByteToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
if (nls_info.AnsiTableInfo.WideCharTable)
return RtlCustomCPToUnicodeN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen, dstlen / sizeof(WCHAR) );
if (reslen) *reslen = dstlen * sizeof(WCHAR);
while (dstlen--) *dst++ = *src++ & 0x7f;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlMultiByteToUnicodeSize (NTDLL.@)
*/
NTSTATUS WINAPI RtlMultiByteToUnicodeSize( DWORD *size, const char *str, DWORD len )
{
*size = mbtowc_size( &nls_info.AnsiTableInfo, str, len ) * sizeof(WCHAR);
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlOemToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlOemToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen,
const char *src, DWORD srclen )
{
return RtlCustomCPToUnicodeN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlOemStringToUnicodeSize (NTDLL.@)
* RtlxOemStringToUnicodeSize (NTDLL.@)
*/
DWORD WINAPI RtlOemStringToUnicodeSize( const STRING *str )
{
return (mbtowc_size( &nls_info.OemTableInfo, str->Buffer, str->Length ) + 1) * sizeof(WCHAR);
}
/**************************************************************************
* RtlUnicodeStringToOemSize (NTDLL.@)
* RtlxUnicodeStringToOemSize (NTDLL.@)
*/
DWORD WINAPI RtlUnicodeStringToOemSize( const UNICODE_STRING *str )
{
return wctomb_size( &nls_info.OemTableInfo, str->Buffer, str->Length / sizeof(WCHAR) ) + 1;
}
/**************************************************************************
* RtlUnicodeToMultiByteN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToMultiByteN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
if (nls_info.AnsiTableInfo.WideCharTable)
return RtlUnicodeToCustomCPN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen / sizeof(WCHAR), dstlen );
if (reslen) *reslen = dstlen;
while (dstlen--)
{
WCHAR ch = *src++;
if (ch > 0x7f) ch = '?';
*dst++ = ch;
}
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToMultiByteSize (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToMultiByteSize( DWORD *size, const WCHAR *str, DWORD len )
{
*size = wctomb_size( &nls_info.AnsiTableInfo, str, len / sizeof(WCHAR) );
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUnicodeToOemN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToOemN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
return RtlUnicodeToCustomCPN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlDowncaseUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlDowncaseUnicodeChar( WCHAR wch )
{
return casemap( nls_info.LowerCaseTable, wch );
}
/**************************************************************************
* RtlDowncaseUnicodeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlDowncaseUnicodeString( UNICODE_STRING *dest, const UNICODE_STRING *src,
BOOLEAN alloc )
{
DWORD i, len = src->Length;
if (alloc)
{
dest->MaximumLength = len;
if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return STATUS_NO_MEMORY;
}
else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
for (i = 0; i < len / sizeof(WCHAR); i++)
dest->Buffer[i] = casemap( nls_info.LowerCaseTable, src->Buffer[i] );
dest->Length = len;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeChar (NTDLL.@)
*/
WCHAR WINAPI RtlUpcaseUnicodeChar( WCHAR wch )
{
return casemap( nls_info.UpperCaseTable, wch );
}
/**************************************************************************
* RtlUpcaseUnicodeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeString( UNICODE_STRING *dest, const UNICODE_STRING *src,
BOOLEAN alloc )
{
DWORD i, len = src->Length;
if (alloc)
{
dest->MaximumLength = len;
if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return STATUS_NO_MEMORY;
}
else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
for (i = 0; i < len / sizeof(WCHAR); i++)
dest->Buffer[i] = casemap( nls_info.UpperCaseTable, src->Buffer[i] );
dest->Length = len;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeToCustomCPN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToCustomCPN( CPTABLEINFO *info, char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
DWORD i, ret;
srclen /= sizeof(WCHAR);
if (info->DBCSCodePage)
{
WCHAR *uni2cp = info->WideCharTable;
for (i = dstlen; srclen && i; i--, srclen--, src++)
{
WCHAR ch = casemap( nls_info.UpperCaseTable, *src );
if (uni2cp[ch] & 0xff00)
{
if (i == 1) break; /* do not output a partial char */
i--;
*dst++ = uni2cp[ch] >> 8;
}
*dst++ = (char)uni2cp[ch];
}
ret = dstlen - i;
}
else
{
char *uni2cp = info->WideCharTable;
ret = min( srclen, dstlen );
for (i = 0; i < ret; i++) dst[i] = uni2cp[casemap( nls_info.UpperCaseTable, src[i] )];
}
if (reslen) *reslen = ret;
return STATUS_SUCCESS;
}
/**************************************************************************
* RtlUpcaseUnicodeToMultiByteN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToMultiByteN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
return RtlUpcaseUnicodeToCustomCPN( &nls_info.AnsiTableInfo, dst, dstlen, reslen, src, srclen );
}
/**************************************************************************
* RtlUpcaseUnicodeToOemN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUpcaseUnicodeToOemN( char *dst, DWORD dstlen, DWORD *reslen,
const WCHAR *src, DWORD srclen )
{
if (nls_info.OemTableInfo.WideCharTable)
return RtlUpcaseUnicodeToCustomCPN( &nls_info.OemTableInfo, dst, dstlen, reslen, src, srclen );
/* locale not setup yet */
dstlen = min( srclen / sizeof(WCHAR), dstlen );
if (reslen) *reslen = dstlen;
while (dstlen--)
{
WCHAR ch = *src++;
if (ch > 0x7f) ch = '?';
else ch = casemap_ascii( ch );
*dst++ = ch;
}
return STATUS_SUCCESS;
}
/******************************************************************
* RtlLocaleNameToLcid (NTDLL.@)
*/
NTSTATUS WINAPI RtlLocaleNameToLcid( const WCHAR *name, LCID *lcid, ULONG flags )
{
/* locale name format is: lang[-script][-country][_modifier] */
static const WCHAR sepW[] = {'-','_',0};
const IMAGE_RESOURCE_DIRECTORY *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
LDR_RESOURCE_INFO info;
WCHAR buf[LOCALE_NAME_MAX_LENGTH];
WCHAR lang[LOCALE_NAME_MAX_LENGTH]; /* language ("en") (note: buffer contains the other strings too) */
WCHAR *country = NULL; /* country ("US") */
WCHAR *script = NULL; /* script ("Latn") */
WCHAR *p;
int i;
if (!name) return STATUS_INVALID_PARAMETER_1;
if (!name[0])
{
*lcid = LANG_INVARIANT;
goto found;
}
if (strlenW( name ) >= LOCALE_NAME_MAX_LENGTH) return STATUS_INVALID_PARAMETER_1;
strcpyW( lang, name );
if ((p = strpbrkW( lang, sepW )) && *p == '-')
{
*p++ = 0;
country = p;
if ((p = strpbrkW( p, sepW )) && *p == '-')
{
*p++ = 0;
script = country;
country = p;
p = strpbrkW( p, sepW );
}
if (p) *p = 0; /* FIXME: modifier is ignored */
/* second value can be script or country, check length to resolve the ambiguity */
if (!script && strlenW( country ) == 4)
{
script = country;
country = NULL;
}
}
info.Type = 6; /* RT_STRING */
info.Name = (LOCALE_SNAME >> 4) + 1;
if (LdrFindResourceDirectory_U( kernel32_handle, &info, 2, &resdir ))
return STATUS_INVALID_PARAMETER_1;
et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
{
LANGID id = et[i].u.Id;
if (PRIMARYLANGID(id) == LANG_NEUTRAL) continue;
if (!load_string( LOCALE_SNAME, id, buf, ARRAY_SIZE(buf) ) && !strcmpiW( name, buf ))
{
*lcid = MAKELCID( id, SORT_DEFAULT ); /* FIXME: handle sort order */
goto found;
}
if (load_string( LOCALE_SISO639LANGNAME, id, buf, ARRAY_SIZE(buf) ) || strcmpiW( lang, buf ))
continue;
if (script)
{
unsigned int len = strlenW( script );
if (load_string( LOCALE_SSCRIPTS, id, buf, ARRAY_SIZE(buf) )) continue;
p = buf;
while (*p)
{
if (!strncmpiW( p, script, len ) && (!p[len] || p[len] == ';')) break;
if (!(p = strchrW( p, ';'))) break;
p++;
}
if (!p || !*p) continue;
}
if (!country && (flags & 2))
{
if (!script) id = MAKELANGID( PRIMARYLANGID(id), LANG_NEUTRAL );
switch (id)
{
case MAKELANGID( LANG_CHINESE, SUBLANG_NEUTRAL ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE ):
*lcid = MAKELCID( 0x7804, SORT_DEFAULT );
break;
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_MACAU ):
case MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_HONGKONG ):
*lcid = MAKELCID( 0x7c04, SORT_DEFAULT );
break;
default:
*lcid = MAKELANGID( PRIMARYLANGID(id), SUBLANG_NEUTRAL );
break;
}
goto found;
}
}
return STATUS_INVALID_PARAMETER_1;
found:
TRACE( "%s -> %04x\n", debugstr_w(name), *lcid );
return STATUS_SUCCESS;
}
/* helper for the various utf8 mbstowcs functions */
static unsigned int decode_utf8_char( unsigned char ch, const char **str, const char *strend )
{
/* number of following bytes in sequence based on first byte value (for bytes above 0x7f) */
static const char utf8_length[128] =
{
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80-0x8f */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90-0x9f */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xa0-0xaf */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xb0-0xbf */
0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xc0-0xcf */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xd0-0xdf */
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 0xe0-0xef */
3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0 /* 0xf0-0xff */
};
/* first byte mask depending on UTF-8 sequence length */
static const unsigned char utf8_mask[4] = { 0x7f, 0x1f, 0x0f, 0x07 };
unsigned int len = utf8_length[ch - 0x80];
unsigned int res = ch & utf8_mask[len];
const char *end = *str + len;
if (end > strend)
{
*str = end;
return ~0;
}
switch (len)
{
case 3:
if ((ch = end[-3] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
(*str)++;
if (res < 0x10) break;
case 2:
if ((ch = end[-2] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
if (res >= 0x110000 >> 6) break;
(*str)++;
if (res < 0x20) break;
if (res >= 0xd800 >> 6 && res <= 0xdfff >> 6) break;
case 1:
if ((ch = end[-1] ^ 0x80) >= 0x40) break;
res = (res << 6) | ch;
(*str)++;
if (res < 0x80) break;
return res;
}
return ~0;
}
/**************************************************************************
* RtlUTF8ToUnicodeN (NTDLL.@)
*/
NTSTATUS WINAPI RtlUTF8ToUnicodeN( WCHAR *dst, DWORD dstlen, DWORD *reslen, const char *src, DWORD srclen )
{
unsigned int res, len;
NTSTATUS status = STATUS_SUCCESS;
const char *srcend = src + srclen;
WCHAR *dstend;
if (!src) return STATUS_INVALID_PARAMETER_4;
if (!reslen) return STATUS_INVALID_PARAMETER;
dstlen /= sizeof(WCHAR);
dstend = dst + dstlen;
if (!dst)
{
for (len = 0; src < srcend; len++)
{
unsigned char ch = *src++;
if (ch < 0x80) continue;
if ((res = decode_utf8_char( ch, &src, srcend )) > 0x10ffff)
status = STATUS_SOME_NOT_MAPPED;
else
if (res > 0xffff) len++;
}
*reslen = len * sizeof(WCHAR);
return status;
}
while ((dst < dstend) && (src < srcend))
{
unsigned char ch = *src++;
if (ch < 0x80) /* special fast case for 7-bit ASCII */
{
*dst++ = ch;
continue;
}
if ((res = decode_utf8_char( ch, &src, srcend )) <= 0xffff)
{
*dst++ = res;
}
else if (res <= 0x10ffff) /* we need surrogates */
{
res -= 0x10000;
*dst++ = 0xd800 | (res >> 10);
if (dst == dstend) break;
*dst++ = 0xdc00 | (res & 0x3ff);
}
else
{
*dst++ = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
}
if (src < srcend) status = STATUS_BUFFER_TOO_SMALL; /* overflow */
*reslen = (dstlen - (dstend - dst)) * sizeof(WCHAR);
return status;
}
/* get the next char value taking surrogates into account */
static inline unsigned int get_surrogate_value( const WCHAR *src, unsigned int srclen )
{
if (src[0] >= 0xd800 && src[0] <= 0xdfff) /* surrogate pair */
{
if (src[0] > 0xdbff || /* invalid high surrogate */
srclen <= 1 || /* missing low surrogate */
src[1] < 0xdc00 || src[1] > 0xdfff) /* invalid low surrogate */
return 0;
return 0x10000 + ((src[0] & 0x3ff) << 10) + (src[1] & 0x3ff);
}
return src[0];
}
/**************************************************************************
* RtlUnicodeToUTF8N (NTDLL.@)
*/
NTSTATUS WINAPI RtlUnicodeToUTF8N( char *dst, DWORD dstlen, DWORD *reslen, const WCHAR *src, DWORD srclen )
{
char *end;
unsigned int val, len;
NTSTATUS status = STATUS_SUCCESS;
if (!src) return STATUS_INVALID_PARAMETER_4;
if (!reslen) return STATUS_INVALID_PARAMETER;
if (dst && (srclen & 1)) return STATUS_INVALID_PARAMETER_5;
srclen /= sizeof(WCHAR);
if (!dst)
{
for (len = 0; srclen; srclen--, src++)
{
if (*src < 0x80) len++; /* 0x00-0x7f: 1 byte */
else if (*src < 0x800) len += 2; /* 0x80-0x7ff: 2 bytes */
else
{
if (!(val = get_surrogate_value( src, srclen )))
{
val = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
if (val < 0x10000) len += 3; /* 0x800-0xffff: 3 bytes */
else /* 0x10000-0x10ffff: 4 bytes */
{
len += 4;
src++;
srclen--;
}
}
}
*reslen = len;
return status;
}
for (end = dst + dstlen; srclen; srclen--, src++)
{
WCHAR ch = *src;
if (ch < 0x80) /* 0x00-0x7f: 1 byte */
{
if (dst > end - 1) break;
*dst++ = ch;
continue;
}
if (ch < 0x800) /* 0x80-0x7ff: 2 bytes */
{
if (dst > end - 2) break;
dst[1] = 0x80 | (ch & 0x3f);
ch >>= 6;
dst[0] = 0xc0 | ch;
dst += 2;
continue;
}
if (!(val = get_surrogate_value( src, srclen )))
{
val = 0xfffd;
status = STATUS_SOME_NOT_MAPPED;
}
if (val < 0x10000) /* 0x800-0xffff: 3 bytes */
{
if (dst > end - 3) break;
dst[2] = 0x80 | (val & 0x3f);
val >>= 6;
dst[1] = 0x80 | (val & 0x3f);
val >>= 6;
dst[0] = 0xe0 | val;
dst += 3;
}
else /* 0x10000-0x10ffff: 4 bytes */
{
if (dst > end - 4) break;
dst[3] = 0x80 | (val & 0x3f);
val >>= 6;
dst[2] = 0x80 | (val & 0x3f);
val >>= 6;
dst[1] = 0x80 | (val & 0x3f);
val >>= 6;
dst[0] = 0xf0 | val;
dst += 4;
src++;
srclen--;
}
}
if (srclen) status = STATUS_BUFFER_TOO_SMALL;
*reslen = dstlen - (end - dst);
return status;
}
/******************************************************************************
* RtlIsNormalizedString (NTDLL.@)
*/
NTSTATUS WINAPI RtlIsNormalizedString( ULONG form, const WCHAR *str, INT len, BOOLEAN *res )
{
FIXME( "%x %p %d\n", form, str, len );
return STATUS_NOT_IMPLEMENTED;
}
/******************************************************************************
* RtlNormalizeString (NTDLL.@)
*/
NTSTATUS WINAPI RtlNormalizeString( ULONG form, const WCHAR *src, INT src_len, WCHAR *dst, INT *dst_len )
{
int flags = 0, compose = 0;
unsigned int res, buf_len;
WCHAR *buf = NULL;
NTSTATUS status = STATUS_SUCCESS;
TRACE( "%x %s %d %p %d\n", form, debugstr_wn(src, src_len), src_len, dst, *dst_len );
if (src_len == -1) src_len = strlenW(src) + 1;
if (form == NormalizationKC || form == NormalizationKD) flags |= WINE_DECOMPOSE_COMPAT;
if (form == NormalizationC || form == NormalizationKC) compose = 1;
if (compose || *dst_len) flags |= WINE_DECOMPOSE_REORDER;
if (!compose && *dst_len)
{
res = wine_decompose_string( flags, src, src_len, dst, *dst_len );
if (!res)
{
status = STATUS_BUFFER_TOO_SMALL;
goto done;
}
buf = dst;
}
else
{
buf_len = src_len * 4;
do
{
WCHAR *old_buf = buf;
if (!buf) buf = RtlAllocateHeap( GetProcessHeap(), 0, buf_len );
else buf = RtlReAllocateHeap( GetProcessHeap(), 0, buf, buf_len );
if (!buf)
{
RtlFreeHeap( GetProcessHeap(), 0, old_buf );
return STATUS_NO_MEMORY;
}
res = wine_decompose_string( flags, src, src_len, buf, buf_len );
buf_len *= 2;
} while (!res);
}
if (compose)
{
res = wine_compose_string( buf, res );
if (*dst_len >= res) memcpy( dst, buf, res * sizeof(WCHAR) );
}
done:
if (buf != dst) RtlFreeHeap( GetProcessHeap(), 0, buf );
*dst_len = res;
return status;
}