2 * COPYRIGHT: See COPYING in the top level directory
3 Addition copyrights might be specified in LGPL.c
4 * PROJECT: ReactOS system libraries
5 * FILE: lib/kernel32/nls/mbtowc.c
6 * PURPOSE: National language support functions
7 * PROGRAMMER: Boudewijn ( ariadne@xs4all.nl)
8 * UPDATE HISTORY: Modified from Onno Hovers wfc. ( 08/02/99 )
13 * Copyright (c) 1996, Onno Hovers, All rights reserved
17 #include <kernel32/nls.h>
18 #include <kernel32/thread.h>
23 #include <kernel32/kernel32.h>
25 extern PLOCALE __TebLocale;
27 #define GetTebLocale() __TebLocale
29 INT MultiByteToWideChar(UINT cpid, DWORD flags, LPCSTR src, int srclen,
30 LPWSTR dest, int destlen)
32 PCODEPAGE pcodepage =__CPFirst;
38 DPRINT("MultiByteToWideChar( %u, 0x%lX, %s, %d, 0x%lX, %d )\n",
39 cpid, flags, src, srclen, (ULONG) dest, destlen);
44 case CP_ACP: pcodepage= GetTebLocale()->OemCodePage; break;
45 case CP_OEMCP: pcodepage= GetTebLocale()->AnsiCodePage; break;
46 case CP_MACCP: pcodepage=&__CP10000; break;
49 while((pcodepage)&&(pcodepage->Id!=cpid))
50 pcodepage=pcodepage->Next;
53 { SetLastError(ERROR_INVALID_PARAMETER); return 0; }
55 /* get conversion table */
56 atou=pcodepage->ToUnicode;
60 /* how long are we ?? */
64 copylen=min(srclen,destlen);
67 /* XXX: maybe some inline assembly to speed things up, here ??? */
71 *dest=atou [c>>5] [(c)&0x1F];
79 /* XXXX: composites etc. */