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reactos/reactos/lib/sdk/crt/string/wcs.c
ReactOS Portable Systems Group 8df8940a6e - The CRT sync by "fireball" is incorrect and results in a broken ntos kernel. Although it may work on i386 builds, it results in a corrupted kernel anyways. On ARM, we try to hackfix around it by not including some routines that should not be in the kernel but were being imported due to the broken crt changes. 
- We do not attemp to build world anymore. We have handwritten a new ARM rbuild file that only builds what we need for our current ARM work.
- HAL and FreeLDR do not seem to have an "installpath"... why not? Added one at least for our ARM stuff, so that "make install" can drop the binaries.
- Fixed some ARM DDK macro inconsistencies, allow more drivers to build.
- It is now possible to use "make install -k" to drop a completely working ARM build onto an image due to all these changes.

svn path=/trunk/; revision=34055
2008-06-23 03:57:50 +00:00

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/*
* PROJECT: ReactOS CRT library
* LICENSE: LGPL - See COPYING in the top level directory
* FILE: lib/sdk/crt/string/wcs.c
* PURPOSE: wcs* CRT functions
* PROGRAMMERS: Wine team
* Ported to ReactOS by Aleksey Bragin (aleksey@reactos.org)
*/
/*
* msvcrt.dll wide-char functions
*
* Copyright 1999 Alexandre Julliard
* Copyright 2000 Jon Griffiths
*
* 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
*/
#include <precomp.h>
#include <assert.h>
#ifndef _LIBCNT_
#include <internal/wine/msvcrt.h>
#endif
#include "wine/unicode.h"
//#include "wine/debug.h"
//WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
// HACK for LIBCNT
#ifndef debugstr_w
#define debugstr_w
#endif
#undef sprintf
#undef wsprintf
#undef vsnprintf
#undef vprintf
#undef vwprintf
#ifndef _LIBCNT_
/*********************************************************************
* _wcsdup (MSVCRT.@)
*/
wchar_t* CDECL _wcsdup( const wchar_t* str )
{
wchar_t* ret = NULL;
if (str)
{
int size = (strlenW(str) + 1) * sizeof(wchar_t);
ret = malloc( size );
if (ret) memcpy( ret, str, size );
}
return ret;
}
/*********************************************************************
* _wcsicoll (MSVCRT.@)
*/
INT CDECL _wcsicoll( const wchar_t* str1, const wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpiW( str1, str2 );
}
#endif
/*********************************************************************
* _wcsnset (MSVCRT.@)
*/
wchar_t* CDECL _wcsnset( wchar_t* str, wchar_t c, size_t n )
{
wchar_t* ret = str;
while ((n-- > 0) && *str) *str++ = c;
return ret;
}
/*********************************************************************
* _wcsrev (MSVCRT.@)
*/
wchar_t* CDECL _wcsrev( wchar_t* str )
{
wchar_t* ret = str;
wchar_t* end = str + strlenW(str) - 1;
while (end > str)
{
wchar_t t = *end;
*end-- = *str;
*str++ = t;
}
return ret;
}
#ifndef _LIBCNT_
/*********************************************************************
* _wcsset (MSVCRT.@)
*/
wchar_t* CDECL _wcsset( wchar_t* str, wchar_t c )
{
wchar_t* ret = str;
while (*str) *str++ = c;
return ret;
}
/*********************************************************************
* wcstod (MSVCRT.@)
*/
double CDECL wcstod(const wchar_t* lpszStr, wchar_t** end)
{
const wchar_t* str = lpszStr;
int negative = 0;
double ret = 0, divisor = 10.0;
TRACE("(%s,%p) semi-stub\n", debugstr_w(lpszStr), end);
/* FIXME:
* - Should set errno on failure
* - Should fail on overflow
* - Need to check which input formats are allowed
*/
while (isspaceW(*str))
str++;
if (*str == '-')
{
negative = 1;
str++;
}
while (isdigitW(*str))
{
ret = ret * 10.0 + (*str - '0');
str++;
}
if (*str == '.')
str++;
while (isdigitW(*str))
{
ret = ret + (*str - '0') / divisor;
divisor *= 10;
str++;
}
if (*str == 'E' || *str == 'e' || *str == 'D' || *str == 'd')
{
int negativeExponent = 0;
int exponent = 0;
if (*(++str) == '-')
{
negativeExponent = 1;
str++;
}
while (isdigitW(*str))
{
exponent = exponent * 10 + (*str - '0');
str++;
}
if (exponent != 0)
{
if (negativeExponent)
ret = ret / pow(10.0, exponent);
else
ret = ret * pow(10.0, exponent);
}
}
if (negative)
ret = -ret;
if (end)
*end = (wchar_t*)str;
TRACE("returning %g\n", ret);
return ret;
}
typedef struct pf_output_t
{
int used;
int len;
BOOL unicode;
union {
LPWSTR W;
LPSTR A;
} buf;
} pf_output;
typedef struct pf_flags_t
{
char Sign, LeftAlign, Alternate, PadZero;
int FieldLength, Precision;
char IntegerLength, IntegerDouble;
char WideString;
char Format;
} pf_flags;
/*
* writes a string of characters to the output
* returns -1 if the string doesn't fit in the output buffer
* return the length of the string if all characters were written
*/
static inline int pf_output_stringW( pf_output *out, LPCWSTR str, int len )
{
int space = out->len - out->used;
if( len < 0 )
len = strlenW( str );
if( out->unicode )
{
LPWSTR p = out->buf.W + out->used;
if( space >= len )
{
memcpy( p, str, len*sizeof(WCHAR) );
out->used += len;
return len;
}
if( space > 0 )
memcpy( p, str, space*sizeof(WCHAR) );
out->used += len;
}
else
{
int n = WideCharToMultiByte( CP_ACP, 0, str, len, NULL, 0, NULL, NULL );
LPSTR p = out->buf.A + out->used;
if( space >= n )
{
WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
out->used += n;
return len;
}
if( space > 0 )
WideCharToMultiByte( CP_ACP, 0, str, len, p, space, NULL, NULL );
out->used += n;
}
return -1;
}
static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
{
int space = out->len - out->used;
if( len < 0 )
len = strlen( str );
if( !out->unicode )
{
LPSTR p = out->buf.A + out->used;
if( space >= len )
{
memcpy( p, str, len );
out->used += len;
return len;
}
if( space > 0 )
memcpy( p, str, space );
out->used += len;
}
else
{
int n = MultiByteToWideChar( CP_ACP, 0, str, len, NULL, 0 );
LPWSTR p = out->buf.W + out->used;
if( space >= n )
{
MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
out->used += n;
return len;
}
if( space > 0 )
MultiByteToWideChar( CP_ACP, 0, str, len, p, space );
out->used += n;
}
return -1;
}
/* pf_fill: takes care of signs, alignment, zero and field padding */
static inline int pf_fill( pf_output *out, int len, pf_flags *flags, char left )
{
int i, r = 0;
if( flags->Sign && !( flags->Format == 'd' || flags->Format == 'i' ) )
flags->Sign = 0;
if( left && flags->Sign )
{
flags->FieldLength--;
if( flags->PadZero )
r = pf_output_stringA( out, &flags->Sign, 1 );
}
if( ( !left && flags->LeftAlign ) ||
( left && !flags->LeftAlign ))
{
for( i=0; (i<(flags->FieldLength-len)) && (r>=0); i++ )
{
if( left && flags->PadZero )
r = pf_output_stringA( out, "0", 1 );
else
r = pf_output_stringA( out, " ", 1 );
}
}
if( left && flags->Sign && !flags->PadZero )
r = pf_output_stringA( out, &flags->Sign, 1 );
return r;
}
static inline int pf_output_format_W( pf_output *out, LPCWSTR str,
int len, pf_flags *flags )
{
int r = 0;
if( len < 0 )
len = strlenW( str );
if (flags->Precision >= 0 && flags->Precision < len)
len = flags->Precision;
r = pf_fill( out, len, flags, 1 );
if( r>=0 )
r = pf_output_stringW( out, str, len );
if( r>=0 )
r = pf_fill( out, len, flags, 0 );
return r;
}
static inline int pf_output_format_A( pf_output *out, LPCSTR str,
int len, pf_flags *flags )
{
int r = 0;
if( len < 0 )
len = strlen( str );
if (flags->Precision >= 0 && flags->Precision < len)
len = flags->Precision;
r = pf_fill( out, len, flags, 1 );
if( r>=0 )
r = pf_output_stringA( out, str, len );
if( r>=0 )
r = pf_fill( out, len, flags, 0 );
return r;
}
static int pf_handle_string_format( pf_output *out, const void* str, int len,
pf_flags *flags, BOOL capital_letter)
{
if(str == NULL) /* catch NULL pointer */
return pf_output_format_A( out, "(null)", -1, flags);
/* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
if(flags->WideString || flags->IntegerLength == 'l')
return pf_output_format_W( out, str, len, flags);
if(flags->IntegerLength == 'h')
return pf_output_format_A( out, str, len, flags);
/* %s,%c -> chars in ansi functions & wchars in unicode
* %S,%C -> wchars in ansi functions & chars in unicode */
if( capital_letter == out->unicode) /* either both TRUE or both FALSE */
return pf_output_format_A( out, str, len, flags);
else
return pf_output_format_W( out, str, len, flags);
}
static inline BOOL pf_is_integer_format( char fmt )
{
static const char float_fmts[] = "diouxX";
if (!fmt)
return FALSE;
return strchr( float_fmts, fmt ) ? TRUE : FALSE;
}
static inline BOOL pf_is_double_format( char fmt )
{
static const char float_fmts[] = "aeEfgG";
if (!fmt)
return FALSE;
return strchr( float_fmts, fmt ) ? TRUE : FALSE;
}
static inline BOOL pf_is_valid_format( char fmt )
{
static const char float_fmts[] = "acCdeEfgGinouxX";
if (!fmt)
return FALSE;
return strchr( float_fmts, fmt ) ? TRUE : FALSE;
}
static void pf_rebuild_format_string( char *p, pf_flags *flags )
{
*p++ = '%';
if( flags->Sign )
*p++ = flags->Sign;
if( flags->LeftAlign )
*p++ = flags->LeftAlign;
if( flags->Alternate )
*p++ = flags->Alternate;
if( flags->PadZero )
*p++ = flags->PadZero;
if( flags->FieldLength )
{
lnx_sprintf(p, "%d", flags->FieldLength);
p += strlen(p);
}
if( flags->Precision >= 0 )
{
lnx_sprintf(p, ".%d", flags->Precision);
p += strlen(p);
}
*p++ = flags->Format;
*p++ = 0;
}
/* pf_integer_conv: prints x to buf, including alternate formats and
additional precision digits, but not field characters or the sign */
static void pf_integer_conv( char *buf, int buf_len, pf_flags *flags,
LONGLONG x )
{
unsigned int base;
const char *digits;
int i, j, k;
char number[40], *tmp = number;
if( buf_len > sizeof number )
tmp = HeapAlloc( GetProcessHeap(), 0, buf_len );
base = 10;
if( flags->Format == 'o' )
base = 8;
else if( flags->Format == 'x' || flags->Format == 'X' )
base = 16;
if( flags->Format == 'X' )
digits = "0123456789ABCDEFX";
else
digits = "0123456789abcdefx";
if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
{
x = -x;
flags->Sign = '-';
}
/* Do conversion (backwards) */
i = 0;
if( x == 0 && flags->Precision )
tmp[i++] = '0';
else
while( x != 0 )
{
j = (ULONGLONG) x % base;
x = (ULONGLONG) x / base;
tmp[i++] = digits[j];
}
k = flags->Precision - i;
while( k-- > 0 )
tmp[i++] = '0';
if( flags->Alternate )
{
if( base == 16 )
{
tmp[i++] = digits[16];
tmp[i++] = '0';
}
else if( base == 8 && tmp[i-1] != '0' )
tmp[i++] = '0';
}
/* Reverse for buf */
j = 0;
while( i-- > 0 )
buf[j++] = tmp[i];
buf[j] = '\0';
/* Adjust precision so pf_fill won't truncate the number later */
flags->Precision = strlen( buf );
if( tmp != number )
HeapFree( GetProcessHeap(), 0, tmp );
return;
}
/*********************************************************************
* pf_vsnprintf (INTERNAL)
*
* implements both A and W vsnprintf functions
*/
static int pf_vsnprintf( pf_output *out, const WCHAR *format, va_list valist )
{
int r;
LPCWSTR q, p = format;
pf_flags flags;
TRACE("format is %s\n",debugstr_w(format));
while (*p)
{
q = strchrW( p, '%' );
/* there's no % characters left, output the rest of the string */
if( !q )
{
r = pf_output_stringW(out, p, -1);
if( r<0 )
return r;
p += r;
continue;
}
/* there's characters before the %, output them */
if( q != p )
{
r = pf_output_stringW(out, p, q - p);
if( r<0 )
return r;
p = q;
}
/* we must be at a % now, skip over it */
assert( *p == '%' );
p++;
/* output a single % character */
if( *p == '%' )
{
r = pf_output_stringW(out, p++, 1);
if( r<0 )
return r;
continue;
}
/* parse the flags */
memset( &flags, 0, sizeof flags );
while (*p)
{
if( *p == '+' || *p == ' ' )
{
if ( flags.Sign != '+' )
flags.Sign = *p;
}
else if( *p == '-' )
flags.LeftAlign = *p;
else if( *p == '0' )
flags.PadZero = *p;
else if( *p == '#' )
flags.Alternate = *p;
else
break;
p++;
}
/* deal with the field width specifier */
flags.FieldLength = 0;
if( *p == '*' )
{
flags.FieldLength = va_arg( valist, int );
if (flags.FieldLength < 0)
{
flags.LeftAlign = '-';
flags.FieldLength = -flags.FieldLength;
}
p++;
}
else while( isdigit(*p) )
{
flags.FieldLength *= 10;
flags.FieldLength += *p++ - '0';
}
/* deal with precision */
flags.Precision = -1;
if( *p == '.' )
{
flags.Precision = 0;
p++;
if( *p == '*' )
{
flags.Precision = va_arg( valist, int );
p++;
}
else while( isdigit(*p) )
{
flags.Precision *= 10;
flags.Precision += *p++ - '0';
}
}
/* deal with integer width modifier */
while( *p )
{
if( *p == 'h' || *p == 'l' || *p == 'L' )
{
flags.IntegerLength = *p;
p++;
}
else if( *p == 'I' )
{
if( *(p+1) == '6' && *(p+2) == '4' )
{
flags.IntegerDouble++;
p += 3;
}
else if( *(p+1) == '3' && *(p+2) == '2' )
p += 3;
else if( isdigit(*(p+1)) || *(p+1) == 0 )
break;
else
p++;
}
else if( *p == 'w' )
flags.WideString = *p++;
else if( *p == 'F' )
p++; /* ignore */
else
break;
}
flags.Format = *p;
r = 0;
/* output a string */
if( flags.Format == 's' || flags.Format == 'S' )
r = pf_handle_string_format( out, va_arg(valist, const void*), -1,
&flags, (flags.Format == 'S') );
/* output a single character */
else if( flags.Format == 'c' || flags.Format == 'C' )
{
INT ch = va_arg( valist, int );
r = pf_handle_string_format( out, &ch, 1, &flags, (flags.Format == 'C') );
}
/* output a pointer */
else if( flags.Format == 'p' )
{
char pointer[11];
flags.PadZero = 0;
if( flags.Alternate )
lnx_sprintf(pointer, "0X%08lX", va_arg(valist, long));
else
lnx_sprintf(pointer, "%08lX", va_arg(valist, long));
r = pf_output_format_A( out, pointer, -1, &flags );
}
/* deal with %n */
else if( flags.Format == 'n' )
{
int *x = va_arg(valist, int *);
*x = out->used;
}
/* deal with 64-bit integers */
else if( pf_is_integer_format( flags.Format ) && flags.IntegerDouble )
{
char number[40], *x = number;
/* Estimate largest possible required buffer size:
* Chooses the larger of the field or precision
* Includes extra bytes: 1 byte for null, 1 byte for sign,
4 bytes for exponent, 2 bytes for alternate formats, 1 byte
for a decimal, and 1 byte for an additional float digit. */
int x_len = ((flags.FieldLength > flags.Precision) ?
flags.FieldLength : flags.Precision) + 10;
if( x_len >= sizeof number)
x = HeapAlloc( GetProcessHeap(), 0, x_len );
pf_integer_conv( x, x_len, &flags, va_arg(valist, LONGLONG) );
r = pf_output_format_A( out, x, -1, &flags );
if( x != number )
HeapFree( GetProcessHeap(), 0, x );
}
/* deal with integers and floats using libc's printf */
else if( pf_is_valid_format( flags.Format ) )
{
char fmt[20], number[40], *x = number;
/* Estimate largest possible required buffer size:
* Chooses the larger of the field or precision
* Includes extra bytes: 1 byte for null, 1 byte for sign,
4 bytes for exponent, 2 bytes for alternate formats, 1 byte
for a decimal, and 1 byte for an additional float digit. */
int x_len = ((flags.FieldLength > flags.Precision) ?
flags.FieldLength : flags.Precision) + 10;
if( x_len >= sizeof number)
x = HeapAlloc( GetProcessHeap(), 0, x_len );
pf_rebuild_format_string( fmt, &flags );
if( pf_is_double_format( flags.Format ) )
lnx_sprintf( x, fmt, va_arg(valist, double) );
else
lnx_sprintf( x, fmt, va_arg(valist, int) );
r = pf_output_stringA( out, x, -1 );
if( x != number )
HeapFree( GetProcessHeap(), 0, x );
}
else
continue;
if( r<0 )
return r;
p++;
}
/* check we reached the end, and null terminate the string */
assert( *p == 0 );
pf_output_stringW( out, p, 1 );
return out->used - 1;
}
/*********************************************************************
* _vsnprintf (MSVCRT.@)
*/
int CDECL _vsnprintf( char *str, unsigned int len,
const char *format, va_list valist )
{
DWORD sz;
LPWSTR formatW = NULL;
pf_output out;
int r;
out.unicode = FALSE;
out.buf.A = str;
out.used = 0;
out.len = len;
if( format )
{
sz = MultiByteToWideChar( CP_ACP, 0, format, -1, NULL, 0 );
formatW = HeapAlloc( GetProcessHeap(), 0, sz*sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, format, -1, formatW, sz );
}
r = pf_vsnprintf( &out, formatW, valist );
HeapFree( GetProcessHeap(), 0, formatW );
return r;
}
/*********************************************************************
* vsprintf (MSVCRT.@)
*/
int CDECL vsprintf( char *str, const char *format, va_list valist)
{
return _vsnprintf(str, INT_MAX, format, valist);
}
/*********************************************************************
* _snprintf (MSVCRT.@)
*/
int CDECL _snprintf(char *str, unsigned int len, const char *format, ...)
{
int retval;
va_list valist;
va_start(valist, format);
retval = _vsnprintf(str, len, format, valist);
va_end(valist);
return retval;
}
/*********************************************************************
* _vsnwsprintf (MSVCRT.@)
*/
int CDECL _vsnwprintf( wchar_t *str, unsigned int len,
const wchar_t *format, va_list valist )
{
pf_output out;
out.unicode = TRUE;
out.buf.W = str;
out.used = 0;
out.len = len;
return pf_vsnprintf( &out, format, valist );
}
/*********************************************************************
* _snwprintf (MSVCRT.@)
*/
int CDECL _snwprintf( wchar_t *str, unsigned int len, const wchar_t *format, ...)
{
int retval;
va_list valist;
va_start(valist, format);
retval = _vsnwprintf(str, len, format, valist);
va_end(valist);
return retval;
}
/*********************************************************************
* sprintf (MSVCRT.@)
*/
int CDECL sprintf( char *str, const char *format, ... )
{
va_list ap;
int r;
va_start( ap, format );
r = _vsnprintf( str, INT_MAX, format, ap );
va_end( ap );
return r;
}
/*********************************************************************
* swprintf (MSVCRT.@)
*/
int CDECL swprintf( wchar_t *str, const wchar_t *format, ... )
{
va_list ap;
int r;
va_start( ap, format );
r = _vsnwprintf( str, INT_MAX, format, ap );
va_end( ap );
return r;
}
/*********************************************************************
* vswprintf (MSVCRT.@)
*/
int CDECL vswprintf( wchar_t* str, const wchar_t* format, va_list args )
{
return _vsnwprintf( str, INT_MAX, format, args );
}
#endif
/*********************************************************************
* wcscoll (MSVCRT.@)
*/
int CDECL wcscoll( const wchar_t* str1, const wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpW( str1, str2 );
}
/*********************************************************************
* wcspbrk (MSVCRT.@)
*/
wchar_t* CDECL wcspbrk( const wchar_t* str, const wchar_t* accept )
{
const wchar_t* p;
while (*str)
{
for (p = accept; *p; p++) if (*p == *str) return (wchar_t*)str;
str++;
}
return NULL;
}
#ifndef _LIBCNT_
/*********************************************************************
* wcstok (MSVCRT.@)
*/
wchar_t * CDECL wcstok( wchar_t *str, const wchar_t *delim )
{
MSVCRT_thread_data *data = msvcrt_get_thread_data();
wchar_t *ret;
if (!str)
if (!(str = data->wcstok_next)) return NULL;
while (*str && strchrW( delim, *str )) str++;
if (!*str) return NULL;
ret = str++;
while (*str && !strchrW( delim, *str )) str++;
if (*str) *str++ = 0;
data->wcstok_next = str;
return ret;
}
#endif
#ifndef __REACTOS__
/*********************************************************************
* wctomb (MSVCRT.@)
*/
INT CDECL wctomb( char *dst, wchar_t ch )
{
return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
}
/*********************************************************************
* iswalnum (MSVCRT.@)
*/
INT CDECL iswalnum( wchar_t wc )
{
return isalnumW( wc );
}
/*********************************************************************
* iswalpha (MSVCRT.@)
*/
INT CDECL iswalpha( wchar_t wc )
{
return isalphaW( wc );
}
/*********************************************************************
* iswcntrl (MSVCRT.@)
*/
INT CDECL iswcntrl( wchar_t wc )
{
return iscntrlW( wc );
}
/*********************************************************************
* iswdigit (MSVCRT.@)
*/
INT CDECL iswdigit( wchar_t wc )
{
return isdigitW( wc );
}
/*********************************************************************
* iswgraph (MSVCRT.@)
*/
INT CDECL iswgraph( wchar_t wc )
{
return isgraphW( wc );
}
/*********************************************************************
* iswlower (MSVCRT.@)
*/
INT CDECL iswlower( wchar_t wc )
{
return islowerW( wc );
}
/*********************************************************************
* iswprint (MSVCRT.@)
*/
INT CDECL iswprint( wchar_t wc )
{
return isprintW( wc );
}
/*********************************************************************
* iswpunct (MSVCRT.@)
*/
INT CDECL iswpunct( wchar_t wc )
{
return ispunctW( wc );
}
/*********************************************************************
* iswspace (MSVCRT.@)
*/
INT CDECL iswspace( wchar_t wc )
{
return isspaceW( wc );
}
/*********************************************************************
* iswupper (MSVCRT.@)
*/
INT CDECL iswupper( wchar_t wc )
{
return isupperW( wc );
}
/*********************************************************************
* iswxdigit (MSVCRT.@)
*/
INT CDECL iswxdigit( wchar_t wc )
{
return isxdigitW( wc );
}
#endif
#ifndef _LIBCNT_
/*********************************************************************
* wcscpy_s (MSVCRT.@)
*/
INT CDECL wcscpy_s( wchar_t* wcDest, size_t numElement, const wchar_t *wcSrc)
{
INT size = 0;
if(!wcDest || !numElement)
return EINVAL;
wcDest[0] = 0;
if(!wcSrc)
{
return EINVAL;
}
size = strlenW(wcSrc) + 1;
if(size > numElement)
{
return ERANGE;
}
if(size > numElement)
size = numElement;
memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
return 0;
}
#endif
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