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/*
* 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 "config.h"
#include "wine/port.h"
#include <limits.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>
#include "msvcrt.h"
#include "winnls.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/*********************************************************************
* _wcsdup (MSVCRT.@)
*/
MSVCRT_wchar_t* CDECL _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 CDECL _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpiW( str1, str2 );
}
/*********************************************************************
* _wcsnset (MSVCRT.@)
*/
MSVCRT_wchar_t* CDECL MSVCRT__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* CDECL _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* CDECL _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
{
MSVCRT_wchar_t* ret = str;
while (*str) *str++ = c;
return ret;
}
/******************************************************************
* _wcsupr_s (MSVCRT.@)
*
*/
INT CDECL MSVCRT__wcsupr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
{
MSVCRT_wchar_t* ptr = str;
if (!str || !n)
{
if (str) *str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
while (n--)
{
if (!*ptr) return 0;
*ptr = toupperW(*ptr);
ptr++;
}
/* MSDN claims that the function should return and set errno to
* ERANGE, which doesn't seem to be true based on the tests. */
*str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
/*********************************************************************
* _wcstod_l - not exported in native msvcrt
*/
double CDECL MSVCRT__wcstod_l(const MSVCRT_wchar_t* str, MSVCRT_wchar_t** end,
MSVCRT__locale_t locale)
{
unsigned __int64 d=0, hlp;
unsigned fpcontrol;
int exp=0, sign=1;
const MSVCRT_wchar_t *p;
double ret;
BOOL found_digit = FALSE;
if(!str) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
*MSVCRT__errno() = MSVCRT_EINVAL;
return 0;
}
if(!locale)
locale = get_locale();
p = str;
while(isspaceW(*p))
p++;
if(*p == '-') {
sign = -1;
p++;
} else if(*p == '+')
p++;
while(isdigitW(*p)) {
found_digit = TRUE;
hlp = d*10+*(p++)-'0';
if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
exp++;
break;
} else
d = hlp;
}
while(isdigitW(*p)) {
exp++;
p++;
}
if(*p == *locale->locinfo->lconv->decimal_point)
p++;
while(isdigitW(*p)) {
found_digit = TRUE;
hlp = d*10+*(p++)-'0';
if(d>MSVCRT_UI64_MAX/10 || hlp<d)
break;
d = hlp;
exp--;
}
while(isdigitW(*p))
p++;
if(!found_digit) {
if(end)
*end = (MSVCRT_wchar_t*)str;
return 0.0;
}
if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
int e=0, s=1;
p++;
if(*p == '-') {
s = -1;
p++;
} else if(*p == '+')
p++;
if(isdigitW(*p)) {
while(isdigitW(*p)) {
if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
e = INT_MAX;
p++;
}
e *= s;
if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
else exp += e;
} else {
if(*p=='-' || *p=='+')
p--;
p--;
}
}
fpcontrol = _control87(0, 0);
_control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
|MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
if(exp>0)
ret = (double)sign*d*pow(10, exp);
else
ret = (double)sign*d/pow(10, -exp);
_control87(fpcontrol, 0xffffffff);
if((d && ret==0.0) || isinf(ret))
*MSVCRT__errno() = MSVCRT_ERANGE;
if(end)
*end = (MSVCRT_wchar_t*)p;
return ret;
}
/*********************************************************************
* _wcstombs_l (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT__wcstombs_l(char *mbstr, const MSVCRT_wchar_t *wcstr,
MSVCRT_size_t count, MSVCRT__locale_t locale)
{
char default_char = '\0';
MSVCRT_size_t tmp = 0;
BOOL used_default;
if(!locale)
locale = get_locale();
if(!mbstr)
return WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
wcstr, -1, NULL, 0, &default_char, &used_default)-1;
while(*wcstr) {
char buf[3];
MSVCRT_size_t i, size;
size = WideCharToMultiByte(locale->locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
wcstr, 1, buf, 3, &default_char, &used_default);
if(used_default)
return -1;
if(tmp+size > count)
return tmp;
for(i=0; i<size; i++)
mbstr[tmp++] = buf[i];
wcstr++;
}
if(tmp < count)
mbstr[tmp] = '\0';
return tmp;
}
/*********************************************************************
* wcstombs (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT_wcstombs(char *mbstr, const MSVCRT_wchar_t *wcstr,
MSVCRT_size_t count)
{
return MSVCRT__wcstombs_l(mbstr, wcstr, count, NULL);
}
/*********************************************************************
* _wcstombs_s_l (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT__wcstombs_s_l(MSVCRT_size_t *ret, char *mbstr,
MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr,
MSVCRT_size_t count, MSVCRT__locale_t locale)
{
MSVCRT_size_t conv;
if(!mbstr && !size) {
conv = MSVCRT__wcstombs_l(NULL, wcstr, 0, locale);
if(ret)
*ret = conv;
return 0;
}
if(!wcstr || !mbstr) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
if(mbstr && size)
mbstr[0] = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(count==MSVCRT__TRUNCATE || size<count)
conv = size;
else
conv = count;
conv = MSVCRT__wcstombs_l(mbstr, wcstr, conv, locale);
if(conv<size)
mbstr[conv++] = '\0';
else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
mbstr[conv-1] = '\0';
else {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
if(size)
mbstr[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
if(ret)
*ret = conv;
return 0;
}
/*********************************************************************
* wcstombs_s (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT_wcstombs_s(MSVCRT_size_t *ret, char *mbstr,
MSVCRT_size_t size, const MSVCRT_wchar_t *wcstr, MSVCRT_size_t count)
{
return MSVCRT__wcstombs_s_l(ret, mbstr, size, wcstr, count, NULL);
}
/*********************************************************************
* wcstod (MSVCRT.@)
*/
double CDECL MSVCRT_wcstod(const MSVCRT_wchar_t* lpszStr, MSVCRT_wchar_t** end)
{
return MSVCRT__wcstod_l(lpszStr, end, NULL);
}
/*********************************************************************
* _wtof (MSVCRT.@)
*/
double CDECL MSVCRT__wtof(const MSVCRT_wchar_t *str)
{
return MSVCRT__wcstod_l(str, NULL, NULL);
}
/*********************************************************************
* _wtof_l (MSVCRT.@)
*/
double CDECL MSVCRT__wtof_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
{
return MSVCRT__wcstod_l(str, NULL, locale);
}
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 )
{
if (out->buf.W) memcpy( p, str, len*sizeof(WCHAR) );
out->used += len;
return len;
}
if( space > 0 && out->buf.W )
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 )
{
if (out->buf.A) WideCharToMultiByte( CP_ACP, 0, str, len, p, n, NULL, NULL );
out->used += n;
return len;
}
if( space > 0 && out->buf.A )
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 )
{
if (out->buf.A) memcpy( p, str, len );
out->used += len;
return len;
}
if( space > 0 && out->buf.A )
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 )
{
if (out->buf.W) MultiByteToWideChar( CP_ACP, 0, str, len, p, n );
out->used += n;
return len;
}
if( space > 0 && out->buf.W )
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 )
{
sprintf(p, "%d", flags->FieldLength);
p += strlen(p);
}
if( flags->Precision >= 0 )
{
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_fixup_exponent: convert a string containing a 2 digit exponent
to 3 digits, accounting for padding, in place. Needed to match
the native printf's which always use 3 digits. */
static void pf_fixup_exponent( char *buf )
{
char* tmp = buf;
while (tmp[0] && toupper(tmp[0]) != 'E')
tmp++;
if (tmp[0] && (tmp[1] == '+' || tmp[1] == '-') &&
isdigit(tmp[2]) && isdigit(tmp[3]))
{
char final;
if (isdigit(tmp[4]))
return; /* Exponent already 3 digits */
/* We have a 2 digit exponent. Prepend '0' to make it 3 */
tmp += 2;
final = tmp[2];
tmp[2] = tmp[1];
tmp[1] = tmp[0];
tmp[0] = '0';
if (final == '\0')
{
/* We didn't expand into trailing space, so this string isn't left
* justified. Terminate the string and strip a ' ' at the start of
* the string if there is one (as there may be if the string is
* right justified).
*/
tmp[3] = '\0';
if (buf[0] == ' ')
memmove(buf, buf + 1, (tmp - buf) + 3);
}
/* Otherwise, we expanded into trailing space -> nothing to do */
}
}
/*********************************************************************
* pf_vsnprintf (INTERNAL)
*
* implements both A and W vsnprintf functions
*/
static int pf_vsnprintf( pf_output *out, const WCHAR *format,
MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist )
{
int r;
LPCWSTR q, p = format;
pf_flags flags;
if(!locale)
locale = get_locale();
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 == 'l' && *(p+1) == 'l' )
{
flags.IntegerDouble++;
p += 2;
}
else 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;
if (flags.Format == '$')
{
FIXME("Positional parameters are not supported (%s)\n", wine_dbgstr_w(format));
return -1;
}
/* 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[32];
void *ptr = va_arg( valist, void * );
flags.PadZero = 0;
if( flags.Alternate )
sprintf(pointer, "0X%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
else
sprintf(pointer, "%0*lX", 2 * (int)sizeof(ptr), (ULONG_PTR)ptr);
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, *decimal_point;
/* 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 ) )
{
sprintf( x, fmt, va_arg(valist, double) );
if (toupper(flags.Format) == 'E' || toupper(flags.Format) == 'G')
pf_fixup_exponent( x );
}
else
sprintf( x, fmt, va_arg(valist, int) );
decimal_point = strchr(x, '.');
if(decimal_point)
*decimal_point = *locale->locinfo->lconv->decimal_point;
r = pf_output_stringA( out, x, -1 );
if( x != number )
HeapFree( GetProcessHeap(), 0, x );
if(r < 0)
return r;
}
else
{
if( valid )
{
MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
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_internal (INTERNAL)
*/
static inline int vsnprintf_internal( char *str, MSVCRT_size_t len, const char *format,
MSVCRT__locale_t locale, BOOL valid, __ms_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;
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, locale, valid, valist );
HeapFree( GetProcessHeap(), 0, formatW );
return r;
}
/*********************************************************************
* _vsnprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vsnprintf( char *str, MSVCRT_size_t len,
const char *format, __ms_va_list valist )
{
return vsnprintf_internal(str, len, format, NULL, FALSE, valist);
}
/*********************************************************************
* _vsnprintf_l (MSVCRT.@)
*/
int CDECL MSVCRT_vsnprintf_l( char *str, MSVCRT_size_t len, const char *format,
MSVCRT__locale_t locale, __ms_va_list valist )
{
return vsnprintf_internal(str, len, format, locale, FALSE, valist);
}
/*********************************************************************
* _vsnprintf_s_l (MSVCRT.@)
*/
int CDECL MSVCRT_vsnprintf_s_l( char *str, MSVCRT_size_t sizeOfBuffer,
MSVCRT_size_t count, const char *format,
MSVCRT__locale_t locale, __ms_va_list valist )
{
int len, ret;
if(sizeOfBuffer<count+1 || count==-1)
len = sizeOfBuffer;
else
len = count+1;
ret = vsnprintf_internal(str, len, format, locale, TRUE, valist);
if(ret<0 || ret==len) {
if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
*MSVCRT__errno() = MSVCRT_ERANGE;
memset(str, 0, sizeOfBuffer);
} else
str[len-1] = '\0';
return -1;
}
return ret;
}
/*********************************************************************
* _vsnprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vsnprintf_s( char *str, MSVCRT_size_t sizeOfBuffer,
MSVCRT_size_t count, const char *format, __ms_va_list valist )
{
return MSVCRT_vsnprintf_s_l(str,sizeOfBuffer, count, format, NULL, valist);
}
/*********************************************************************
* vsprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vsprintf( char *str, const char *format, __ms_va_list valist)
{
return MSVCRT_vsnprintf(str, INT_MAX, format, valist);
}
/*********************************************************************
* vsprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vsprintf_s( char *str, MSVCRT_size_t num, const char *format, __ms_va_list valist)
{
return MSVCRT_vsnprintf(str, num, format, valist);
}
/*********************************************************************
* _vscprintf (MSVCRT.@)
*/
int CDECL _vscprintf( const char *format, __ms_va_list valist )
{
return MSVCRT_vsnprintf( NULL, INT_MAX, format, valist );
}
/*********************************************************************
* _snprintf (MSVCRT.@)
*/
int CDECL MSVCRT__snprintf(char *str, unsigned int len, const char *format, ...)
{
int retval;
__ms_va_list valist;
__ms_va_start(valist, format);
retval = MSVCRT_vsnprintf(str, len, format, valist);
__ms_va_end(valist);
return retval;
}
/*********************************************************************
* _snprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT__snprintf_s(char *str, unsigned int len, unsigned int count,
const char *format, ...)
{
int retval;
__ms_va_list valist;
__ms_va_start(valist, format);
retval = MSVCRT_vsnprintf_s_l(str, len, count, format, NULL, valist);
__ms_va_end(valist);
return retval;
}
/*********************************************************************
* _scprintf (MSVCRT.@)
*/
int CDECL MSVCRT__scprintf(const char *format, ...)
{
int retval;
__ms_va_list valist;
__ms_va_start(valist, format);
retval = _vscprintf(format, valist);
__ms_va_end(valist);
return retval;
}
/*********************************************************************
* vsnwprintf_internal (INTERNAL)
*/
static inline int vsnwprintf_internal(MSVCRT_wchar_t *str, MSVCRT_size_t len,
const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, BOOL valid,
__ms_va_list valist)
{
pf_output out;
out.unicode = TRUE;
out.buf.W = str;
out.used = 0;
out.len = len;
return pf_vsnprintf( &out, format, locale, valid, valist );
}
/*********************************************************************
* _vsnwprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
const MSVCRT_wchar_t *format, __ms_va_list valist)
{
return vsnwprintf_internal(str, len, format, NULL, FALSE, valist);
}
/*********************************************************************
* _vsnwprintf_l (MSVCRT.@)
*/
int CDECL MSVCRT_vsnwprintf_l(MSVCRT_wchar_t *str, MSVCRT_size_t len,
const MSVCRT_wchar_t *format, MSVCRT__locale_t locale,
__ms_va_list valist)
{
return vsnwprintf_internal(str, len, format, locale, FALSE, valist);
}
/*********************************************************************
* _vsnwprintf_s_l (MSVCRT.@)
*/
int CDECL MSVCRT_vsnwprintf_s_l( MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
MSVCRT_size_t count, const MSVCRT_wchar_t *format,
MSVCRT__locale_t locale, __ms_va_list valist)
{
int len, ret;
len = sizeOfBuffer;
if(count!=-1 && len>count+1)
len = count+1;
ret = vsnwprintf_internal(str, len, format, locale, TRUE, valist);
if(ret<0 || ret==len) {
if(count!=MSVCRT__TRUNCATE && count>sizeOfBuffer) {
MSVCRT__invalid_parameter( NULL, NULL, NULL, 0, 0 );
*MSVCRT__errno() = MSVCRT_ERANGE;
memset(str, 0, sizeOfBuffer*sizeof(MSVCRT_wchar_t));
} else
str[len-1] = '\0';
return -1;
}
return ret;
}
/*********************************************************************
* _vsnwprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vsnwprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t sizeOfBuffer,
MSVCRT_size_t count, const MSVCRT_wchar_t *format, __ms_va_list valist)
{
return MSVCRT_vsnwprintf_s_l(str, sizeOfBuffer, count,
format, NULL, valist);
}
/*********************************************************************
* _snwprintf (MSVCRT.@)
*/
int CDECL MSVCRT__snwprintf( MSVCRT_wchar_t *str, unsigned int len, const MSVCRT_wchar_t *format, ...)
{
int retval;
__ms_va_list valist;
__ms_va_start(valist, format);
retval = MSVCRT_vsnwprintf(str, len, format, valist);
__ms_va_end(valist);
return retval;
}
/*********************************************************************
* _snwprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT__snwprintf_s( MSVCRT_wchar_t *str, unsigned int len, unsigned int count,
const MSVCRT_wchar_t *format, ...)
{
int retval;
__ms_va_list valist;
__ms_va_start(valist, format);
retval = MSVCRT_vsnwprintf_s_l(str, len, count, format, NULL, valist);
__ms_va_end(valist);
return retval;
}
/*********************************************************************
* sprintf (MSVCRT.@)
*/
int CDECL MSVCRT_sprintf( char *str, const char *format, ... )
{
__ms_va_list ap;
int r;
__ms_va_start( ap, format );
r = MSVCRT_vsnprintf( str, INT_MAX, format, ap );
__ms_va_end( ap );
return r;
}
/*********************************************************************
* sprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_sprintf_s( char *str, MSVCRT_size_t num, const char *format, ... )
{
__ms_va_list ap;
int r;
__ms_va_start( ap, format );
r = MSVCRT_vsnprintf( str, num, format, ap );
__ms_va_end( ap );
return r;
}
/*********************************************************************
* _scwprintf (MSVCRT.@)
*/
int CDECL MSVCRT__scwprintf( const MSVCRT_wchar_t *format, ... )
{
__ms_va_list ap;
int r;
__ms_va_start( ap, format );
r = MSVCRT_vsnwprintf( NULL, INT_MAX, format, ap );
__ms_va_end( ap );
return r;
}
/*********************************************************************
* swprintf (MSVCRT.@)
*/
int CDECL MSVCRT_swprintf( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ... )
{
__ms_va_list ap;
int r;
__ms_va_start( ap, format );
r = MSVCRT_vsnwprintf( str, INT_MAX, format, ap );
__ms_va_end( ap );
return r;
}
/*********************************************************************
* swprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_swprintf_s(MSVCRT_wchar_t *str, MSVCRT_size_t numberOfElements,
const MSVCRT_wchar_t *format, ... )
{
__ms_va_list ap;
int r;
__ms_va_start(ap, format);
r = MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, ap);
__ms_va_end(ap);
return r;
}
/*********************************************************************
* vswprintf (MSVCRT.@)
*/
int CDECL MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, __ms_va_list args )
{
return MSVCRT_vsnwprintf( str, INT_MAX, format, args );
}
/*********************************************************************
* _vscwprintf (MSVCRT.@)
*/
int CDECL _vscwprintf( const MSVCRT_wchar_t *format, __ms_va_list args )
{
return MSVCRT_vsnwprintf( NULL, INT_MAX, format, args );
}
/*********************************************************************
* vswprintf_s (MSVCRT.@)
*/
int CDECL MSVCRT_vswprintf_s(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
const MSVCRT_wchar_t* format, __ms_va_list args)
{
return MSVCRT_vsnwprintf_s(str, numberOfElements, INT_MAX, format, args );
}
/*********************************************************************
* _vswprintf_s_l (MSVCRT.@)
*/
int CDECL MSVCRT_vswprintf_s_l(MSVCRT_wchar_t* str, MSVCRT_size_t numberOfElements,
const MSVCRT_wchar_t* format, MSVCRT__locale_t locale, __ms_va_list args)
{
return MSVCRT_vsnwprintf_s_l(str, numberOfElements, INT_MAX,
format, locale, args );
}
/*********************************************************************
* wcscoll (MSVCRT.@)
*/
int CDECL MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
{
/* FIXME: handle collates */
return strcmpW( str1, str2 );
}
/*********************************************************************
* wcspbrk (MSVCRT.@)
*/
MSVCRT_wchar_t* CDECL 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;
}
/*********************************************************************
* wcstok (MSVCRT.@)
*/
MSVCRT_wchar_t * CDECL MSVCRT_wcstok( MSVCRT_wchar_t *str, const MSVCRT_wchar_t *delim )
{
thread_data_t *data = msvcrt_get_thread_data();
MSVCRT_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;
}
/*********************************************************************
* wctomb (MSVCRT.@)
*/
INT CDECL MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
{
return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
}
/*********************************************************************
* iswalnum (MSVCRT.@)
*/
INT CDECL MSVCRT_iswalnum( MSVCRT_wchar_t wc )
{
return isalnumW( wc );
}
/*********************************************************************
* iswalpha (MSVCRT.@)
*/
INT CDECL MSVCRT_iswalpha( MSVCRT_wchar_t wc )
{
return isalphaW( wc );
}
/*********************************************************************
* iswalpha_l (MSVCRT.@)
*/
INT CDECL MSVCRT__iswalpha_l( MSVCRT_wchar_t wc, MSVCRT__locale_t locale )
{
return isalphaW( wc );
}
/*********************************************************************
* iswcntrl (MSVCRT.@)
*/
INT CDECL MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
{
return iscntrlW( wc );
}
/*********************************************************************
* iswdigit (MSVCRT.@)
*/
INT CDECL MSVCRT_iswdigit( MSVCRT_wchar_t wc )
{
return isdigitW( wc );
}
/*********************************************************************
* iswgraph (MSVCRT.@)
*/
INT CDECL MSVCRT_iswgraph( MSVCRT_wchar_t wc )
{
return isgraphW( wc );
}
/*********************************************************************
* iswlower (MSVCRT.@)
*/
INT CDECL MSVCRT_iswlower( MSVCRT_wchar_t wc )
{
return islowerW( wc );
}
/*********************************************************************
* iswprint (MSVCRT.@)
*/
INT CDECL MSVCRT_iswprint( MSVCRT_wchar_t wc )
{
return isprintW( wc );
}
/*********************************************************************
* iswpunct (MSVCRT.@)
*/
INT CDECL MSVCRT_iswpunct( MSVCRT_wchar_t wc )
{
return ispunctW( wc );
}
/*********************************************************************
* iswspace (MSVCRT.@)
*/
INT CDECL MSVCRT_iswspace( MSVCRT_wchar_t wc )
{
return isspaceW( wc );
}
/*********************************************************************
* iswupper (MSVCRT.@)
*/
INT CDECL MSVCRT_iswupper( MSVCRT_wchar_t wc )
{
return isupperW( wc );
}
/*********************************************************************
* iswxdigit (MSVCRT.@)
*/
INT CDECL MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
{
return isxdigitW( wc );
}
/*********************************************************************
* wcscpy_s (MSVCRT.@)
*/
INT CDECL MSVCRT_wcscpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc)
{
MSVCRT_size_t size = 0;
if(!wcDest || !numElement)
return MSVCRT_EINVAL;
wcDest[0] = 0;
if(!wcSrc)
{
return MSVCRT_EINVAL;
}
size = strlenW(wcSrc) + 1;
if(size > numElement)
{
return MSVCRT_ERANGE;
}
memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
return 0;
}
/******************************************************************
* wcsncpy_s (MSVCRT.@)
*/
INT CDECL MSVCRT_wcsncpy_s( MSVCRT_wchar_t* wcDest, MSVCRT_size_t numElement, const MSVCRT_wchar_t *wcSrc,
MSVCRT_size_t count )
{
MSVCRT_size_t size = 0;
if (!wcDest || !numElement)
return MSVCRT_EINVAL;
wcDest[0] = 0;
if (!wcSrc)
{
return MSVCRT_EINVAL;
}
size = min(strlenW(wcSrc), count);
if (size >= numElement)
{
return MSVCRT_ERANGE;
}
memcpy( wcDest, wcSrc, size*sizeof(WCHAR) );
wcDest[size] = '\0';
return 0;
}
/******************************************************************
* wcscat_s (MSVCRT.@)
*
*/
INT CDECL MSVCRT_wcscat_s(MSVCRT_wchar_t* dst, MSVCRT_size_t elem, const MSVCRT_wchar_t* src)
{
MSVCRT_wchar_t* ptr = dst;
if (!dst || elem == 0) return MSVCRT_EINVAL;
if (!src)
{
dst[0] = '\0';
return MSVCRT_EINVAL;
}
/* seek to end of dst string (or elem if no end of string is found */
while (ptr < dst + elem && *ptr != '\0') ptr++;
while (ptr < dst + elem)
{
if ((*ptr++ = *src++) == '\0') return 0;
}
/* not enough space */
dst[0] = '\0';
return MSVCRT_ERANGE;
}
/*********************************************************************
* wcsncat_s (MSVCRT.@)
*
*/
INT CDECL MSVCRT_wcsncat_s(MSVCRT_wchar_t *dst, MSVCRT_size_t elem,
const MSVCRT_wchar_t *src, MSVCRT_size_t count)
{
MSVCRT_size_t srclen;
MSVCRT_wchar_t dststart;
INT ret = 0;
if (src == NULL && count > 0)
return MSVCRT_EINVAL;
if (dst == NULL)
return MSVCRT_EINVAL;
if (elem == 0)
return MSVCRT_EINVAL;
if (count == 0)
return 0;
for (dststart = 0; dststart < elem; dststart++)
{
if (dst[dststart] == '\0')
break;
}
if (dststart == elem)
return MSVCRT_EINVAL;
if (count == MSVCRT__TRUNCATE)
{
srclen = strlenW(src);
if (srclen >= (elem - dststart))
{
srclen = elem - dststart - 1;
ret = MSVCRT_STRUNCATE;
}
}
else
srclen = min(strlenW(src), count);
if (srclen < (elem - dststart))
{
memcpy(&dst[dststart], src, srclen*sizeof(MSVCRT_wchar_t));
dst[srclen] = '\0';
return ret;
}
dst[0] = '\0';
return MSVCRT_ERANGE;
}
/*********************************************************************
* _wcstoi64_l (MSVCRT.@)
*
* FIXME: locale parameter is ignored
*/
__int64 CDECL MSVCRT__wcstoi64_l(const MSVCRT_wchar_t *nptr,
MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
{
BOOL negative = FALSE;
__int64 ret = 0;
TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
if(!nptr || base<0 || base>36 || base==1) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
return 0;
}
while(isspaceW(*nptr)) nptr++;
if(*nptr == '-') {
negative = TRUE;
nptr++;
} else if(*nptr == '+')
nptr++;
if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
base = 16;
nptr += 2;
}
if(base == 0) {
if(*nptr=='0')
base = 8;
else
base = 10;
}
while(*nptr) {
char cur = tolowerW(*nptr);
int v;
if(isdigitW(cur)) {
if(cur >= '0'+base)
break;
v = cur-'0';
} else {
if(cur<'a' || cur>='a'+base-10)
break;
v = cur-'a'+10;
}
if(negative)
v = -v;
nptr++;
if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
ret = MSVCRT_I64_MAX;
*MSVCRT__errno() = MSVCRT_ERANGE;
} else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
ret = MSVCRT_I64_MIN;
*MSVCRT__errno() = MSVCRT_ERANGE;
} else
ret = ret*base + v;
}
if(endptr)
*endptr = (MSVCRT_wchar_t*)nptr;
return ret;
}
/*********************************************************************
* _wcstoi64 (MSVCRT.@)
*/
__int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
MSVCRT_wchar_t **endptr, int base)
{
return MSVCRT__wcstoi64_l(nptr, endptr, base, NULL);
}
/*********************************************************************
* _wcstoui64_l (MSVCRT.@)
*
* FIXME: locale parameter is ignored
*/
unsigned __int64 CDECL MSVCRT__wcstoui64_l(const MSVCRT_wchar_t *nptr,
MSVCRT_wchar_t **endptr, int base, MSVCRT__locale_t locale)
{
BOOL negative = FALSE;
unsigned __int64 ret = 0;
TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale);
if(!nptr || base<0 || base>36 || base==1) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
return 0;
}
while(isspaceW(*nptr)) nptr++;
if(*nptr == '-') {
negative = TRUE;
nptr++;
} else if(*nptr == '+')
nptr++;
if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') {
base = 16;
nptr += 2;
}
if(base == 0) {
if(*nptr=='0')
base = 8;
else
base = 10;
}
while(*nptr) {
char cur = tolowerW(*nptr);
int v;
if(isdigit(cur)) {
if(cur >= '0'+base)
break;
v = *nptr-'0';
} else {
if(cur<'a' || cur>='a'+base-10)
break;
v = cur-'a'+10;
}
nptr++;
if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
ret = MSVCRT_UI64_MAX;
*MSVCRT__errno() = MSVCRT_ERANGE;
} else
ret = ret*base + v;
}
if(endptr)
*endptr = (MSVCRT_wchar_t*)nptr;
return negative ? -ret : ret;
}
/*********************************************************************
* _wcstoui64 (MSVCRT.@)
*/
unsigned __int64 CDECL MSVCRT__wcstoui64(const MSVCRT_wchar_t *nptr,
MSVCRT_wchar_t **endptr, int base)
{
return MSVCRT__wcstoui64_l(nptr, endptr, base, NULL);
}
/******************************************************************
* wcsnlen (MSVCRT.@)
*/
MSVCRT_size_t CDECL MSVCRT_wcsnlen(const MSVCRT_wchar_t *s, MSVCRT_size_t maxlen)
{
MSVCRT_size_t i;
for (i = 0; i < maxlen; i++)
if (!s[i]) break;
return i;
}
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