229 lines
5.7 KiB
C
229 lines
5.7 KiB
C
/*
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* Win32 kernel functions
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*
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* Copyright 1995 Martin von Loewis and Cameron Heide
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "windows.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "heap.h"
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#include "debug.h"
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/***********************************************************************
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* GetACP (KERNEL32.148)
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*/
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UINT32 WINAPI GetACP(void)
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{
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return 1252; /* Windows 3.1 ISO Latin */
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}
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/***********************************************************************
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* GetCPInfo (KERNEL32.154)
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*/
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BOOL32 WINAPI GetCPInfo( UINT32 codepage, LPCPINFO cpinfo )
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{
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cpinfo->DefaultChar[0] = '?';
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switch (codepage)
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{
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case 932 : /* Shift JIS (japan) */
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cpinfo->MaxCharSize = 2;
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cpinfo->LeadByte[0]= 0x81; cpinfo->LeadByte[1] = 0x9F;
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cpinfo->LeadByte[2]= 0xE0; cpinfo->LeadByte[3] = 0xFC;
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cpinfo->LeadByte[4]= 0x00; cpinfo->LeadByte[5] = 0x00;
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break;
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case 936 : /* GB2312 (Chinese) */
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case 949 : /* KSC5601-1987 (Korean) */
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case 950 : /* BIG5 (Chinese) */
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cpinfo->MaxCharSize = 2;
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cpinfo->LeadByte[0]= 0x81; cpinfo->LeadByte[1] = 0xFE;
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cpinfo->LeadByte[2]= 0x00; cpinfo->LeadByte[3] = 0x00;
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break;
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case 1361 : /* Johab (Korean) */
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cpinfo->MaxCharSize = 2;
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cpinfo->LeadByte[0]= 0x84; cpinfo->LeadByte[1] = 0xD3;
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cpinfo->LeadByte[2]= 0xD8; cpinfo->LeadByte[3] = 0xDE;
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cpinfo->LeadByte[4]= 0xE0; cpinfo->LeadByte[5] = 0xF9;
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cpinfo->LeadByte[6]= 0x00; cpinfo->LeadByte[7] = 0x00;
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break;
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default :
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cpinfo->MaxCharSize = 1;
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cpinfo->LeadByte[0]= 0x00; cpinfo->LeadByte[1] = 0x00;
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break;
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}
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return 1;
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}
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/***********************************************************************
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* GetOEMCP (KERNEL32.248)
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*/
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UINT32 WINAPI GetOEMCP(void)
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{
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return 437; /* MS-DOS United States */
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}
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/***********************************************************************
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* IsValidCodePage (KERNEL32.360)
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*/
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BOOL32 WINAPI IsValidCodePage(UINT32 CodePage)
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{
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switch ( CodePage )
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{
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case 1252 :
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case 437 :
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return TRUE;
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default :
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return FALSE;
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}
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}
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/***********************************************************************
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* MultiByteToWideChar (KERNEL32.392)
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*/
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INT32 WINAPI MultiByteToWideChar(UINT32 page, DWORD flags,
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LPCSTR src, INT32 srclen,
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LPWSTR dst, INT32 dstlen)
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{
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int ret;
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if (srclen == -1)
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srclen = lstrlen32A(src)+1;
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if (!dstlen || !dst)
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return srclen;
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ret = srclen;
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while (srclen > 0 && dstlen > 0) {
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*dst = (WCHAR)(unsigned char)*src;
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if (!*src)
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return ret;
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dst++; src++;
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dstlen--; srclen--;
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}
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if (dstlen == 0) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return 0;
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}
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return ret;
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}
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INT32 WINAPI WideCharToMultiByte(UINT32 page, DWORD flags, LPCWSTR src,
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INT32 srclen,LPSTR dst, INT32 dstlen,
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LPCSTR defchar, BOOL32 *used)
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{
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int count = 0;
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int eos = 0;
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int dont_copy= (dstlen==0);
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if (page!=GetACP() && page!=CP_OEMCP && page!=CP_ACP)
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FIXME(win32,"Conversion in CP %d not supported\n",page);
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#if 0
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if (flags)
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FIXME(win32,"flags %lx not supported\n",flags);
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#endif
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if(used)
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*used=0;
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if (srclen == -1)
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srclen = lstrlen32W(src)+1;
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while(srclen && (dont_copy || dstlen))
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{
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if(!dont_copy){
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if(*src<256)
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*dst = *src;
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else
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{
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/* ??? The WC_DEFAULTCHAR flag only gets used in
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* combination with the WC_COMPOSITECHECK flag or at
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* least this is what it seems from using the function
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* on NT4.0 in combination with reading the documentation.
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*/
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*dst = defchar ? *defchar : '?';
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if(used)*used=1;
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}
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dstlen--;
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dst++;
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}
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count++;
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srclen--;
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if(!*src) {
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eos = 1;
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break;
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}
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src++;
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}
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if (dont_copy)
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return count;
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if (!eos && srclen > 0) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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return 0;
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}
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return count;
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}
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/***********************************************************************
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* IsDBCSLeadByteEx (KERNEL32.359)
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*/
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BOOL32 WINAPI IsDBCSLeadByteEx( UINT32 codepage, BYTE testchar )
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{
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CPINFO cpinfo;
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int i;
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GetCPInfo(codepage, &cpinfo);
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for (i = 0 ; i < sizeof(cpinfo.LeadByte)/sizeof(cpinfo.LeadByte[0]); i+=2)
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{
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if (cpinfo.LeadByte[i] == 0)
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return FALSE;
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if (cpinfo.LeadByte[i] <= testchar && testchar <= cpinfo.LeadByte[i+1])
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* IsDBCSLeadByte16 (KERNEL.207)
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*/
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BOOL16 WINAPI IsDBCSLeadByte16( BYTE testchar )
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{
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return IsDBCSLeadByteEx(GetACP(), testchar);
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}
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/***********************************************************************
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* IsDBCSLeadByte32 (KERNEL32.358)
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*/
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BOOL32 WINAPI IsDBCSLeadByte32( BYTE testchar )
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{
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return IsDBCSLeadByteEx(GetACP(), testchar);
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}
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/***********************************************************************
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* EnumSystemCodePages32A (KERNEL32.92)
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*/
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BOOL32 WINAPI EnumSystemCodePages32A(CODEPAGE_ENUMPROC32A lpfnCodePageEnum,DWORD flags)
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{
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TRACE(win32,"(%p,%08lx)\n",lpfnCodePageEnum,flags);
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lpfnCodePageEnum("437");
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return TRUE;
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}
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/***********************************************************************
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* EnumSystemCodePages32W (KERNEL32.93)
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*/
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BOOL32 WINAPI EnumSystemCodePages32W( CODEPAGE_ENUMPROC32W lpfnCodePageEnum,
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DWORD flags)
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{
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WCHAR *cp;
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TRACE(win32,"(%p,%08lx)\n",lpfnCodePageEnum,flags );
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cp = HEAP_strdupAtoW( GetProcessHeap(), 0, "437" );
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lpfnCodePageEnum(cp);
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HeapFree( GetProcessHeap(), 0, cp );
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return TRUE;
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}
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