Sweden-Number/dlls/msvcrt/wcs.c

487 lines
12 KiB
C

/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <limits.h>
#include <stdio.h>
#include <math.h>
#include "msvcrt.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* INTERNAL: MSVCRT_malloc() based wstrndup */
MSVCRT_wchar_t* msvcrt_wstrndup(const MSVCRT_wchar_t *buf, unsigned int size)
{
MSVCRT_wchar_t* ret;
unsigned int len = strlenW(buf), max_len;
max_len = size <= len? size : len + 1;
ret = MSVCRT_malloc(max_len * sizeof (MSVCRT_wchar_t));
if (ret)
{
memcpy(ret,buf,max_len * sizeof (MSVCRT_wchar_t));
ret[max_len] = 0;
}
return ret;
}
/*********************************************************************
* _wcsdup (MSVCRT.@)
*/
MSVCRT_wchar_t* _wcsdup( const MSVCRT_wchar_t* str )
{
MSVCRT_wchar_t* ret = NULL;
if (str)
{
int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
ret = MSVCRT_malloc( size );
if (ret) memcpy( ret, str, size );
}
return ret;
}
/*********************************************************************
* _wcsicoll (MSVCRT.@)
*/
INT _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpiW( str1, str2 );
}
/*********************************************************************
* _wcsnset (MSVCRT.@)
*/
MSVCRT_wchar_t* _wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
{
MSVCRT_wchar_t* ret = str;
while ((n-- > 0) && *str) *str++ = c;
return ret;
}
/*********************************************************************
* _wcsrev (MSVCRT.@)
*/
MSVCRT_wchar_t* _wcsrev( MSVCRT_wchar_t* str )
{
MSVCRT_wchar_t* ret = str;
MSVCRT_wchar_t* end = str + strlenW(str) - 1;
while (end > str)
{
MSVCRT_wchar_t t = *end;
*end-- = *str;
*str++ = t;
}
return ret;
}
/*********************************************************************
* _wcsset (MSVCRT.@)
*/
MSVCRT_wchar_t* _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
{
MSVCRT_wchar_t* ret = str;
while (*str) *str++ = c;
return ret;
}
/*********************************************************************
* wcstod (MSVCRT.@)
*/
double MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
{
const MSVCRT_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 = (MSVCRT_wchar_t*)str;
TRACE("returning %g\n", ret);
return ret;
}
static int MSVCRT_vsnprintfW(WCHAR *str, size_t len, const WCHAR *format, va_list valist)
{
unsigned int written = 0;
const WCHAR *iter = format;
char bufa[256], fmtbufa[64], *fmta;
while (*iter)
{
while (*iter && *iter != '%')
{
if (written++ >= len)
return -1;
*str++ = *iter++;
}
if (*iter == '%')
{
if (iter[1] == '%')
{
if (written++ >= len)
return -1;
*str++ = '%'; /* "%%"->'%' */
iter += 2;
continue;
}
fmta = fmtbufa;
*fmta++ = *iter++;
while (*iter == '0' ||
*iter == '+' ||
*iter == '-' ||
*iter == ' ' ||
*iter == '*' ||
*iter == '#')
{
if (*iter == '*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
*fmta++ = *iter;
iter++;
}
while (isdigit(*iter))
*fmta++ = *iter++;
if (*iter == '.')
{
*fmta++ = *iter++;
if (*iter == '*')
{
char *buffiter = bufa;
int fieldlen = va_arg(valist, int);
sprintf(buffiter, "%d", fieldlen);
while (*buffiter)
*fmta++ = *buffiter++;
}
else
while (isdigit(*iter))
*fmta++ = *iter++;
}
if (*iter == 'h' || *iter == 'l')
*fmta++ = *iter++;
switch (*iter)
{
case 'S':
{
static const char *none = "(null)";
const char *astr = va_arg(valist, const char *);
const char *striter = astr ? astr : none;
int r, n;
while (*striter)
{
if (written >= len)
return -1;
n = 1;
if( IsDBCSLeadByte( *striter ) )
n++;
r = MultiByteToWideChar( CP_ACP, 0,
striter, n, str, len - written );
striter += n;
str += r;
written += r;
}
iter++;
break;
}
case 's':
{
static const WCHAR none[] = { '(','n','u','l','l',')',0 };
const WCHAR *wstr = va_arg(valist, const WCHAR *);
const WCHAR *striter = wstr ? wstr : none;
while (*striter)
{
if (written++ >= len)
return -1;
*str++ = *striter++;
}
iter++;
break;
}
case 'c':
if (written++ >= len)
return -1;
*str++ = (WCHAR)va_arg(valist, int);
iter++;
break;
default:
{
/* For non wc types, use system sprintf and append to wide char output */
/* FIXME: for unrecognised types, should ignore % when printing */
char *bufaiter = bufa;
if (*iter == 'p')
sprintf(bufaiter, "%08lX", va_arg(valist, long));
else
{
*fmta++ = *iter;
*fmta = '\0';
if (*iter == 'a' || *iter == 'A' ||
*iter == 'e' || *iter == 'E' ||
*iter == 'f' || *iter == 'F' ||
*iter == 'g' || *iter == 'G')
sprintf(bufaiter, fmtbufa, va_arg(valist, double));
else
{
/* FIXME: On 32 bit systems this doesn't handle int 64's.
* on 64 bit systems this doesn't work for 32 bit types
*/
sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
}
}
while (*bufaiter)
{
if (written++ >= len)
return -1;
*str++ = *bufaiter++;
}
iter++;
break;
}
}
}
}
if (written >= len)
return -1;
*str++ = 0;
return (int)written;
}
/*********************************************************************
* swprintf (MSVCRT.@)
*/
int MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
{
va_list ap;
int r;
va_start( ap, format );
r = MSVCRT_vsnprintfW( str, INT_MAX, format, ap );
va_end( ap );
return r;
}
/*********************************************************************
* _vsnwprintf (MSVCRT.@)
*/
int _vsnwprintf(MSVCRT_wchar_t *str, unsigned int len,
const MSVCRT_wchar_t *format, va_list valist)
{
return MSVCRT_vsnprintfW(str, len, format, valist);
}
/*********************************************************************
* vswprintf (MSVCRT.@)
*/
int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
{
return MSVCRT_vsnprintfW( str, INT_MAX, format, args );
}
/*********************************************************************
* wcscoll (MSVCRT.@)
*/
int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpW( str1, str2 );
}
/*********************************************************************
* wcspbrk (MSVCRT.@)
*/
MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
{
const MSVCRT_wchar_t* p;
while (*str)
{
for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
str++;
}
return NULL;
}
/*********************************************************************
* wctomb (MSVCRT.@)
*/
INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
{
return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
}
/*********************************************************************
* iswalnum (MSVCRT.@)
*/
INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
{
return isalnumW( wc );
}
/*********************************************************************
* iswalpha (MSVCRT.@)
*/
INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
{
return isalphaW( wc );
}
/*********************************************************************
* iswcntrl (MSVCRT.@)
*/
INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
{
return iscntrlW( wc );
}
/*********************************************************************
* iswdigit (MSVCRT.@)
*/
INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
{
return isdigitW( wc );
}
/*********************************************************************
* iswgraph (MSVCRT.@)
*/
INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
{
return isgraphW( wc );
}
/*********************************************************************
* iswlower (MSVCRT.@)
*/
INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
{
return islowerW( wc );
}
/*********************************************************************
* iswprint (MSVCRT.@)
*/
INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
{
return isprintW( wc );
}
/*********************************************************************
* iswpunct (MSVCRT.@)
*/
INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
{
return ispunctW( wc );
}
/*********************************************************************
* iswspace (MSVCRT.@)
*/
INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
{
return isspaceW( wc );
}
/*********************************************************************
* iswupper (MSVCRT.@)
*/
INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
{
return isupperW( wc );
}
/*********************************************************************
* iswxdigit (MSVCRT.@)
*/
INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
{
return isxdigitW( wc );
}