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![Alexandre Julliard](/assets/img/avatar_default.png)
implementation. Update win.ini and registry on startup when language changed. More logical priority order for locale environment variables. Implemented SetLocaleInfoW. Moved some locale functions to kernel32.dll.
419 lines
12 KiB
C
419 lines
12 KiB
C
/*
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* Code page functions
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "winbase.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "wine/unicode.h"
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#include "thread.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(string);
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/* current code pages */
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static const union cptable *ansi_cptable;
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static const union cptable *oem_cptable;
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static const union cptable *mac_cptable;
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static LCID default_lcid = MAKELCID( MAKELANGID(LANG_ENGLISH,SUBLANG_DEFAULT), SORT_DEFAULT );
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/* setup default codepage info before we can get at the locale stuff */
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static void init_codepages(void)
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{
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ansi_cptable = cp_get_table( 1252 );
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oem_cptable = cp_get_table( 437 );
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mac_cptable = cp_get_table( 10000 );
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assert( ansi_cptable );
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assert( oem_cptable );
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assert( mac_cptable );
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}
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/* find the table for a given codepage, handling CP_ACP etc. pseudo-codepages */
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static const union cptable *get_codepage_table( unsigned int codepage )
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{
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const union cptable *ret = NULL;
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if (!ansi_cptable) init_codepages();
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switch(codepage)
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{
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case CP_ACP:
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return ansi_cptable;
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case CP_OEMCP:
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return oem_cptable;
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case CP_MACCP:
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return mac_cptable;
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case CP_UTF7:
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case CP_UTF8:
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break;
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case CP_THREAD_ACP:
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if (!(codepage = NtCurrentTeb()->code_page)) return ansi_cptable;
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/* fall through */
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default:
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if (codepage == ansi_cptable->info.codepage) return ansi_cptable;
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if (codepage == oem_cptable->info.codepage) return oem_cptable;
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if (codepage == mac_cptable->info.codepage) return mac_cptable;
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ret = cp_get_table( codepage );
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break;
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}
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return ret;
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}
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/* initialize default code pages from locale info */
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/* FIXME: should be done in init_codepages, but it can't right now */
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/* since it needs KERNEL32 to be loaded for the locale info. */
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void CODEPAGE_Init( UINT ansi, UINT oem, UINT mac, LCID lcid )
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{
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extern void __wine_init_codepages( const union cptable *ansi, const union cptable *oem );
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const union cptable *table;
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default_lcid = lcid;
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if (!ansi_cptable) init_codepages(); /* just in case */
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if ((table = cp_get_table( ansi ))) ansi_cptable = table;
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if ((table = cp_get_table( oem ))) oem_cptable = table;
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if ((table = cp_get_table( mac ))) mac_cptable = table;
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__wine_init_codepages( ansi_cptable, oem_cptable );
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TRACE( "ansi=%03d oem=%03d mac=%03d\n", ansi_cptable->info.codepage,
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oem_cptable->info.codepage, mac_cptable->info.codepage );
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}
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/******************************************************************************
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* GetACP (KERNEL32.@)
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*
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* RETURNS
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* Current ANSI code-page identifier, default if no current defined
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*/
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UINT WINAPI GetACP(void)
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{
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if (!ansi_cptable) return 1252;
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return ansi_cptable->info.codepage;
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}
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/***********************************************************************
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* GetOEMCP (KERNEL32.@)
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*/
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UINT WINAPI GetOEMCP(void)
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{
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if (!oem_cptable) return 437;
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return oem_cptable->info.codepage;
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}
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/***********************************************************************
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* IsValidCodePage (KERNEL32.@)
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*/
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BOOL WINAPI IsValidCodePage( UINT codepage )
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{
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switch(codepage) {
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case CP_SYMBOL:
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return FALSE;
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case CP_UTF7:
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case CP_UTF8:
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return TRUE;
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default:
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return cp_get_table( codepage ) != NULL;
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}
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}
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/***********************************************************************
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* GetUserDefaultLangID (KERNEL32.@)
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*/
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LANGID WINAPI GetUserDefaultLangID(void)
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{
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return LANGIDFROMLCID(default_lcid);
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}
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/***********************************************************************
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* GetSystemDefaultLangID (KERNEL32.@)
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*/
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LANGID WINAPI GetSystemDefaultLangID(void)
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{
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return GetUserDefaultLangID();
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}
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/***********************************************************************
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* GetUserDefaultLCID (KERNEL32.@)
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*/
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LCID WINAPI GetUserDefaultLCID(void)
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{
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return default_lcid;
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}
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/***********************************************************************
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* GetSystemDefaultLCID (KERNEL32.@)
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*/
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LCID WINAPI GetSystemDefaultLCID(void)
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{
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return GetUserDefaultLCID();
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}
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/***********************************************************************
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* IsDBCSLeadByteEx (KERNEL32.@)
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*/
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BOOL WINAPI IsDBCSLeadByteEx( UINT codepage, BYTE testchar )
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{
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const union cptable *table = get_codepage_table( codepage );
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return table && is_dbcs_leadbyte( table, testchar );
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}
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/***********************************************************************
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* IsDBCSLeadByte (KERNEL32.@)
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* IsDBCSLeadByte (KERNEL.207)
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*/
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BOOL WINAPI IsDBCSLeadByte( BYTE testchar )
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{
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if (!ansi_cptable) return FALSE;
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return is_dbcs_leadbyte( ansi_cptable, testchar );
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}
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/***********************************************************************
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* GetCPInfo (KERNEL32.@)
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*/
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BOOL WINAPI GetCPInfo( UINT codepage, LPCPINFO cpinfo )
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{
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const union cptable *table = get_codepage_table( codepage );
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if (!table)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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if (table->info.def_char & 0xff00)
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{
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cpinfo->DefaultChar[0] = table->info.def_char & 0xff00;
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cpinfo->DefaultChar[1] = table->info.def_char & 0x00ff;
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}
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else
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{
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cpinfo->DefaultChar[0] = table->info.def_char & 0xff;
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cpinfo->DefaultChar[1] = 0;
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}
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if ((cpinfo->MaxCharSize = table->info.char_size) == 2)
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memcpy( cpinfo->LeadByte, table->dbcs.lead_bytes, sizeof(cpinfo->LeadByte) );
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else
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cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = 0;
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return TRUE;
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}
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/***********************************************************************
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* EnumSystemCodePagesA (KERNEL32.@)
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*/
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BOOL WINAPI EnumSystemCodePagesA( CODEPAGE_ENUMPROCA lpfnCodePageEnum, DWORD flags )
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{
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const union cptable *table;
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char buffer[10];
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int index = 0;
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for (;;)
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{
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if (!(table = cp_enum_table( index++ ))) break;
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sprintf( buffer, "%d", table->info.codepage );
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if (!lpfnCodePageEnum( buffer )) break;
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}
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return TRUE;
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}
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/***********************************************************************
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* EnumSystemCodePagesW (KERNEL32.@)
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*/
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BOOL WINAPI EnumSystemCodePagesW( CODEPAGE_ENUMPROCW lpfnCodePageEnum, DWORD flags )
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{
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const union cptable *table;
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WCHAR buffer[10], *p;
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int page, index = 0;
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for (;;)
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{
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if (!(table = cp_enum_table( index++ ))) break;
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p = buffer + sizeof(buffer)/sizeof(WCHAR);
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*--p = 0;
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page = table->info.codepage;
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do
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{
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*--p = '0' + (page % 10);
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page /= 10;
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} while( page );
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if (!lpfnCodePageEnum( p )) break;
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}
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return TRUE;
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}
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/***********************************************************************
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* MultiByteToWideChar (KERNEL32.@)
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*
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* PARAMS
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* page [in] Codepage character set to convert from
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* flags [in] Character mapping flags
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* src [in] Source string buffer
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* srclen [in] Length of source string buffer
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* dst [in] Destination buffer
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* dstlen [in] Length of destination buffer
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*
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* NOTES
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* The returned length includes the null terminator character.
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*
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* RETURNS
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* Success: If dstlen > 0, number of characters written to destination
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* buffer. If dstlen == 0, number of characters needed to do
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* conversion.
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* Failure: 0. Occurs if not enough space is available.
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*
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* ERRORS
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* ERROR_INSUFFICIENT_BUFFER
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* ERROR_INVALID_PARAMETER
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* ERROR_NO_UNICODE_TRANSLATION
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*
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*/
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INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
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LPWSTR dst, INT dstlen )
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{
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const union cptable *table;
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int ret;
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if (!src || (!dst && dstlen))
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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if (srclen == -1) srclen = strlen(src) + 1;
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if (flags & MB_USEGLYPHCHARS) FIXME("MB_USEGLYPHCHARS not supported\n");
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switch(page)
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{
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case CP_UTF7:
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FIXME("UTF not supported\n");
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SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
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return 0;
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case CP_UTF8:
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ret = utf8_mbstowcs( flags, src, srclen, dst, dstlen );
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break;
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default:
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if (!(table = get_codepage_table( page )))
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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ret = cp_mbstowcs( table, flags, src, srclen, dst, dstlen );
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break;
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}
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if (ret < 0)
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{
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switch(ret)
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{
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case -1: SetLastError( ERROR_INSUFFICIENT_BUFFER ); break;
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case -2: SetLastError( ERROR_NO_UNICODE_TRANSLATION ); break;
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}
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ret = 0;
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}
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return ret;
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}
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/***********************************************************************
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* WideCharToMultiByte (KERNEL32.@)
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*
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* PARAMS
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* page [in] Codepage character set to convert to
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* flags [in] Character mapping flags
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* src [in] Source string buffer
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* srclen [in] Length of source string buffer
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* dst [in] Destination buffer
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* dstlen [in] Length of destination buffer
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* defchar [in] Default character to use for conversion if no exact
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* conversion can be made
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* used [out] Set if default character was used in the conversion
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*
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* NOTES
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* The returned length includes the null terminator character.
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*
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* RETURNS
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* Success: If dstlen > 0, number of characters written to destination
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* buffer. If dstlen == 0, number of characters needed to do
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* conversion.
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* Failure: 0. Occurs if not enough space is available.
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*
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* ERRORS
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* ERROR_INSUFFICIENT_BUFFER
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* ERROR_INVALID_PARAMETER
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*/
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INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
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LPSTR dst, INT dstlen, LPCSTR defchar, BOOL *used )
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{
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const union cptable *table;
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int ret, used_tmp;
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if (!src || (!dst && dstlen))
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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if (srclen == -1) srclen = strlenW(src) + 1;
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switch(page)
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{
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case CP_UTF7:
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FIXME("UTF-7 not supported\n");
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SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
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return 0;
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case CP_UTF8:
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ret = utf8_wcstombs( src, srclen, dst, dstlen );
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break;
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default:
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if (!(table = get_codepage_table( page )))
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return 0;
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}
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ret = cp_wcstombs( table, flags, src, srclen, dst, dstlen,
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defchar, used ? &used_tmp : NULL );
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if (used) *used = used_tmp;
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break;
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}
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if (ret == -1)
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{
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SetLastError( ERROR_INSUFFICIENT_BUFFER );
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ret = 0;
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}
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return ret;
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}
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