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Commit 2d38551d authored by Alexandre Julliard's avatar Alexandre Julliard
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ntdll: Use macros to define both A and W printf functions.

This is similar to what msvcrt does. Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 1a43c5de
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Showing with 523 additions and 604 deletions
dlls/ntdll/printf.c
View file @ 2d38551d
......@@ -35,19 +35,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
static const SIZE_T size_max = ~(SIZE_T)0 >> 1;
/* FIXME: convert sizes to SIZE_T etc. */
typedef struct pf_output_t
{
SIZE_T used;
SIZE_T len;
BOOL unicode;
union {
LPWSTR W;
LPSTR A;
} buf;
} pf_output;
typedef struct pf_flags_t
{
enum { LEN_DEFAULT, LEN_SHORT, LEN_LONG } IntegerLength;
......@@ -56,570 +43,20 @@ typedef struct pf_flags_t
char Sign, 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 )
{
SIZE_T space = out->len - out->used;
if( len < 0 )
len = wcslen( str );
if( out->unicode )
{
LPWSTR p = out->buf.W + out->used;
if (!out->buf.W)
{
out->used += len;
return len;
}
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 += space;
}
}
else
{
LPSTR p = out->buf.A + out->used;
ULONG n;
RtlUnicodeToMultiByteSize( &n, str, len * sizeof(WCHAR) );
if (!out->buf.A)
{
out->used += n;
return len;
}
if( space >= n )
{
RtlUnicodeToMultiByteN( p, n, NULL, str, len * sizeof(WCHAR) );
out->used += n;
return len;
}
if (space > 0)
{
RtlUnicodeToMultiByteN( p, space, NULL, str, len * sizeof(WCHAR) );
out->used += space;
}
}
return -1;
}
static inline int pf_output_stringA( pf_output *out, LPCSTR str, int len )
{
SIZE_T space = out->len - out->used;
if( len < 0 )
len = strlen( str );
if( !out->unicode )
{
LPSTR p = out->buf.A + out->used;
if (!out->buf.A)
{
out->used += len;
return len;
}
if( space >= len )
{
memcpy( p, str, len );
out->used += len;
return len;
}
if( space > 0 )
{
memcpy( p, str, space );
out->used += space;
}
}
else
{
LPWSTR p = out->buf.W + out->used;
ULONG n;
RtlMultiByteToUnicodeSize( &n, str, len );
if (!out->buf.W)
{
out->used += n / sizeof(WCHAR);
return len;
}
if (space >= n / sizeof(WCHAR))
{
RtlMultiByteToUnicodeN( p, n, NULL, str, len );
out->used += n / sizeof(WCHAR);
return len;
}
if (space > 0)
{
RtlMultiByteToUnicodeN( p, space * sizeof(WCHAR), NULL, str, len );
out->used += space;
}
}
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 >= 0)
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)
{
/* Do not search past the length specified by the precision. */
if (flags->Precision >= 0)
{
for (len = 0; len < flags->Precision; len++) if (!str[len]) break;
}
else len = wcslen( 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)
{
/* Do not search past the length specified by the precision. */
if (flags->Precision >= 0)
{
for (len = 0; len < flags->Precision; len++) if (!str[len]) break;
}
else 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 == LEN_LONG)
return pf_output_format_W( out, str, len, flags);
if (flags->IntegerLength == LEN_SHORT)
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);
}
/* 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, pf_flags *flags, LONGLONG x )
{
unsigned int base;
const char *digits;
int i, j, k;
if( flags->Format == 'o' )
base = 8;
else if( flags->Format == 'x' || flags->Format == 'X' )
base = 16;
else
base = 10;
if( flags->Format == 'X' )
digits = "0123456789ABCDEFX";
else
digits = "0123456789abcdefx";
if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
{
x = -x;
flags->Sign = '-';
}
i = 0;
if( x == 0 )
{
flags->Alternate = FALSE;
if( flags->Precision )
buf[i++] = '0';
}
else
while( x != 0 )
{
j = (ULONGLONG) x % base;
x = (ULONGLONG) x / base;
buf[i++] = digits[j];
}
k = flags->Precision - i;
while( k-- > 0 )
buf[i++] = '0';
if( flags->Alternate )
{
if( base == 16 )
{
buf[i++] = digits[16];
buf[i++] = '0';
}
else if( base == 8 && buf[i-1] != '0' )
buf[i++] = '0';
}
/* Adjust precision so pf_fill won't truncate the number later */
flags->Precision = i;
buf[i] = '\0';
j = 0;
while(--i > j) {
char tmp = buf[j];
buf[j] = buf[i];
buf[i] = tmp;
j++;
}
}
static inline BOOL isDigit(WCHAR c)
{
return c >= '0' && c <= '9';
}
/*********************************************************************
* pf_vsnprintf (INTERNAL)
*
* implements both A and W vsnprintf functions
*/
static int pf_vsnprintf( pf_output *out, const WCHAR *format, __ms_va_list valist )
{
int r;
LPCWSTR q, p = format;
pf_flags flags;
while (*p)
{
q = wcschr( p, '%' );
/* there are 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 are 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 = TRUE;
else if( *p == '0' )
flags.PadZero = TRUE;
else if( *p == '#' )
flags.Alternate = TRUE;
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 = TRUE;
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 = TRUE;
p += 2;
}
else if( *p == 'l' || *p == 'L' )
{
flags.IntegerLength = LEN_LONG;
p++;
}
else if( *p == 'h')
{
flags.IntegerLength = LEN_SHORT;
p++;
}
else if( *p == 'I' )
{
if( *(p+1) == '6' && *(p+2) == '4' )
{
flags.IntegerDouble = TRUE;
p += 3;
}
else if( *(p+1) == '3' && *(p+2) == '2' )
p += 3;
else if( p[1] && strchr( "diouxX", p[1] ) )
{
if( sizeof(void *) == 8 )
flags.IntegerDouble = TRUE;
p++;
}
else if( isDigit(*(p+1)) || *(p+1) == 0 )
break;
else
p++;
}
else if( *p == 'w' )
{
flags.WideString = TRUE;
p++;
}
else if ((*p == 'z' || *p == 't') && p[1] && strchr("diouxX", p[1]))
{
flags.IntegerNative = TRUE;
p++;
}
else if (*p == 'j')
{
flags.IntegerDouble = TRUE;
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 * );
int prec = flags.Precision;
flags.Format = 'X';
flags.PadZero = TRUE;
flags.Precision = 2*sizeof(void*);
pf_integer_conv( pointer, &flags, (ULONG_PTR)ptr );
flags.PadZero = FALSE;
flags.Precision = prec;
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;
}
else if( flags.Format && strchr("diouxX", flags.Format ))
{
char number[40], *x = number;
int max_len;
/* 0 padding is added after '0x' if Alternate flag is in use */
if((flags.Format=='x' || flags.Format=='X') && flags.PadZero && flags.Alternate
&& !flags.LeftAlign && flags.Precision<flags.FieldLength-2)
flags.Precision = flags.FieldLength - 2;
max_len = (flags.FieldLength>flags.Precision ? flags.FieldLength : flags.Precision) + 10;
if(max_len > ARRAY_SIZE(number))
if (!(x = RtlAllocateHeap( GetProcessHeap(), 0, max_len ))) return -1;
if(flags.IntegerDouble || (flags.IntegerNative && sizeof(void*) == 8))
pf_integer_conv( x, &flags, va_arg(valist, LONGLONG) );
else if(flags.Format=='d' || flags.Format=='i')
pf_integer_conv( x, &flags, flags.IntegerLength != LEN_SHORT ?
va_arg(valist, int) : (short)va_arg(valist, int) );
else
pf_integer_conv( x, &flags, flags.IntegerLength != LEN_SHORT ?
(unsigned int)va_arg(valist, int) : (unsigned short)va_arg(valist, int) );
r = pf_output_format_A( out, x, -1, &flags );
if( x != number )
RtlFreeHeap( GetProcessHeap(), 0, x );
}
else
continue;
if( r<0 )
return r;
p++;
}
/* check we reached the end, and null terminate the string */
assert( *p == 0 );
return out->used;
}
#include "printf.h"
#define PRINTF_WIDE
#include "printf.h"
#undef PRINTF_WIDE
/*********************************************************************
* _vsnprintf (NTDLL.@)
*/
int CDECL _vsnprintf( char *str, size_t len, const char *format, __ms_va_list args )
{
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)
{
RtlMultiByteToUnicodeSize( &sz, format, strlen(format) + 1 );
if (!(formatW = RtlAllocateHeap( GetProcessHeap(), 0, sz ))) return -1;
RtlMultiByteToUnicodeN( formatW, sz, NULL, format, strlen(format) + 1 );
}
r = pf_vsnprintf( &out, formatW, args );
RtlFreeHeap( GetProcessHeap(), 0, formatW );
pf_output_a out = { str, len };
int r = pf_vsnprintf_a( &out, format, args );
if (out.used < len) str[out.used] = 0;
return r;
}
......@@ -630,15 +67,9 @@ int CDECL _vsnprintf( char *str, size_t len, const char *format, __ms_va_list ar
*/
int CDECL _vsnwprintf( WCHAR *str, size_t len, const WCHAR *format, __ms_va_list args )
{
pf_output out;
int r;
pf_output_w out = { str, len };
int r = pf_vsnprintf_w( &out, format, args );
out.unicode = TRUE;
out.buf.W = str;
out.used = 0;
out.len = len;
r = pf_vsnprintf( &out, format, args );
if (out.used < len) str[out.used] = 0;
return r;
}
......@@ -679,24 +110,9 @@ int WINAPIV _snwprintf( WCHAR *str, size_t len, const WCHAR *format, ... )
*/
int CDECL _vsnprintf_s( char *str, size_t size, size_t len, const char *format, __ms_va_list args )
{
DWORD sz;
LPWSTR formatW = NULL;
pf_output out;
int r;
out.unicode = FALSE;
out.buf.A = str;
out.used = 0;
out.len = min( size, len );
if (format)
{
RtlMultiByteToUnicodeSize( &sz, format, strlen(format) + 1 );
if (!(formatW = RtlAllocateHeap( GetProcessHeap(), 0, sz ))) return -1;
RtlMultiByteToUnicodeN( formatW, sz, NULL, format, strlen(format) + 1 );
}
r = pf_vsnprintf( &out, formatW, args );
RtlFreeHeap( GetProcessHeap(), 0, formatW );
pf_output_a out = { str, min( size, len ) };
int r = pf_vsnprintf_a( &out, format, args );
if (out.used < size) str[out.used] = 0;
else str[0] = 0;
if (r == size) r = -1;
......@@ -709,15 +125,9 @@ int CDECL _vsnprintf_s( char *str, size_t size, size_t len, const char *format,
*/
int CDECL _vsnwprintf_s( WCHAR *str, size_t size, size_t len, const WCHAR *format, __ms_va_list args )
{
pf_output out;
int r;
out.unicode = TRUE;
out.buf.W = str;
out.used = 0;
out.len = min( size, len );
pf_output_w out = { str, min( size, len ) };
int r = pf_vsnprintf_w( &out, format, args );
r = pf_vsnprintf( &out, format, args );
if (out.used < size) str[out.used] = 0;
else str[0] = 0;
if (r == size) r = -1;
......
dlls/ntdll/printf.h 0 → 100644
View file @ 2d38551d
/*
* ntdll printf functions
*
* Copyright 1999, 2009 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
*/
#ifdef PRINTF_WIDE
#define APICHAR wchar_t
#define APISTR(str) L"" str
#define FUNC_NAME(func) func ## _w
#else
#define APICHAR char
#define APISTR(str) str
#define FUNC_NAME(func) func ## _a
#endif
typedef struct
{
APICHAR *buf;
SIZE_T len;
SIZE_T used;
} FUNC_NAME(pf_output);
/*
* 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 int FUNC_NAME(pf_output_wstr)( FUNC_NAME(pf_output) *out, const WCHAR *str, int len )
{
SIZE_T space = out->len - out->used;
APICHAR *p = out->buf + out->used;
ULONG n;
if (len < 0) len = wcslen( str );
#ifdef PRINTF_WIDE
n = len;
if (out->buf) memcpy( p, str, min( n, space ) * sizeof(WCHAR) );
#else
RtlUnicodeToMultiByteSize( &n, str, len * sizeof(WCHAR) );
if (out->buf) RtlUnicodeToMultiByteN( p, min( n, space ), NULL, str, len * sizeof(WCHAR) );
#endif
if (out->buf && space < n) /* overflow */
{
out->used = out->len;
return -1;
}
out->used += n;
return len;
}
static int FUNC_NAME(pf_output_str)( FUNC_NAME(pf_output) *out, const char *str, int len )
{
SIZE_T space = out->len - out->used;
APICHAR *p = out->buf + out->used;
ULONG n;
if (len < 0) len = strlen( str );
#ifdef PRINTF_WIDE
RtlMultiByteToUnicodeSize( &n, str, len );
n /= sizeof(WCHAR);
if (out->buf) RtlMultiByteToUnicodeN( p, min( n, space ) * sizeof(WCHAR), NULL, str, len );
#else
n = len;
if (out->buf) memcpy( p, str, min( n, space ));
#endif
if (out->buf && space < n) /* overflow */
{
out->used = out->len;
return -1;
}
out->used += n;
return len;
}
static int FUNC_NAME(pf_output_string)( FUNC_NAME(pf_output) *out, const APICHAR *str, int len )
{
#ifdef PRINTF_WIDE
return FUNC_NAME(pf_output_wstr)( out, str, len );
#else
return FUNC_NAME(pf_output_str)( out, str, len );
#endif
}
/* pf_fill: takes care of signs, alignment, zero and field padding */
static int FUNC_NAME(pf_fill_left)( FUNC_NAME(pf_output) *out, int len, pf_flags *flags )
{
int i, r = 0;
if (flags->Sign && !(flags->Format == 'd' || flags->Format == 'i')) flags->Sign = 0;
if (flags->Sign)
{
APICHAR ch = flags->Sign;
flags->FieldLength--;
if (flags->PadZero) r = FUNC_NAME(pf_output_string)( out, &ch, 1 );
}
if (!flags->LeftAlign)
{
APICHAR ch = flags->PadZero ? '0' : ' ';
for (i = 0; i < flags->FieldLength - len && r >= 0; i++)
r = FUNC_NAME(pf_output_string)( out, &ch, 1 );
}
if (flags->Sign && !flags->PadZero && r >= 0)
{
APICHAR ch = flags->Sign;
r = FUNC_NAME(pf_output_string)( out, &ch, 1 );
}
return r;
}
static int FUNC_NAME(pf_fill_right)( FUNC_NAME(pf_output) *out, int len, pf_flags *flags )
{
int i, r = 0;
APICHAR ch = ' ';
if (!flags->LeftAlign) return 0;
for (i = 0; i < flags->FieldLength - len && r >= 0; i++)
r = FUNC_NAME(pf_output_string)( out, &ch, 1 );
return r;
}
static int FUNC_NAME(pf_output_format_wstr)( FUNC_NAME(pf_output) *out, const wchar_t *str, int len,
pf_flags *flags )
{
int r = 0;
if (len < 0)
{
/* Do not search past the length specified by the precision. */
if (flags->Precision >= 0)
{
for (len = 0; len < flags->Precision; len++) if (!str[len]) break;
}
else len = wcslen( str );
}
if (flags->Precision >= 0 && flags->Precision < len) len = flags->Precision;
r = FUNC_NAME(pf_fill_left)( out, len, flags );
if (r >= 0) r = FUNC_NAME(pf_output_wstr)( out, str, len );
if (r >= 0) r = FUNC_NAME(pf_fill_right)( out, len, flags );
return r;
}
static int FUNC_NAME(pf_output_format_str)( FUNC_NAME(pf_output) *out, const char *str, int len,
pf_flags *flags )
{
int r = 0;
if (len < 0)
{
/* Do not search past the length specified by the precision. */
if (flags->Precision >= 0)
{
for (len = 0; len < flags->Precision; len++) if (!str[len]) break;
}
else len = strlen(str);
}
if (flags->Precision >= 0 && flags->Precision < len) len = flags->Precision;
r = FUNC_NAME(pf_fill_left)( out, len, flags );
if (r >= 0) r = FUNC_NAME(pf_output_str)( out, str, len );
if (r >= 0) r = FUNC_NAME(pf_fill_right)( out, len, flags );
return r;
}
static int FUNC_NAME(pf_output_format)( FUNC_NAME(pf_output) *out, const APICHAR *str, int len,
pf_flags *flags )
{
#ifdef PRINTF_WIDE
return FUNC_NAME(pf_output_format_wstr)( out, str, len, flags );
#else
return FUNC_NAME(pf_output_format_str)( out, str, len, flags );
#endif
}
static int FUNC_NAME(pf_handle_string_format)( FUNC_NAME(pf_output) *out, const void* str, int len,
pf_flags *flags, BOOL inverted )
{
if (str == NULL) /* catch NULL pointer */
return FUNC_NAME(pf_output_format)( out, APISTR("(null)"), -1, flags );
/* prefixes take priority over %c,%s vs. %C,%S, so we handle them first */
if (flags->WideString || flags->IntegerLength == LEN_LONG)
return FUNC_NAME(pf_output_format_wstr)( out, str, len, flags );
if (flags->IntegerLength == LEN_SHORT)
return FUNC_NAME(pf_output_format_str)( out, str, len, flags );
/* %s,%c -> chars in ansi functions & wchars in unicode
* %S,%C -> wchars in ansi functions & chars in unicode */
if (!inverted) return FUNC_NAME(pf_output_format)( out, str, len, flags);
#ifdef PRINTF_WIDE
return FUNC_NAME(pf_output_format_str)( out, str, len, flags );
#else
return FUNC_NAME(pf_output_format_wstr)( out, str, len, flags );
#endif
}
/* pf_integer_conv: prints x to buf, including alternate formats and
additional precision digits, but not field characters or the sign */
static void FUNC_NAME(pf_integer_conv)( APICHAR *buf, pf_flags *flags, LONGLONG x )
{
unsigned int base;
const APICHAR *digits;
int i, j, k;
if( flags->Format == 'o' )
base = 8;
else if( flags->Format == 'x' || flags->Format == 'X' )
base = 16;
else
base = 10;
if( flags->Format == 'X' )
digits = APISTR("0123456789ABCDEFX");
else
digits = APISTR("0123456789abcdefx");
if( x < 0 && ( flags->Format == 'd' || flags->Format == 'i' ) )
{
x = -x;
flags->Sign = '-';
}
i = 0;
if( x == 0 )
{
flags->Alternate = FALSE;
if( flags->Precision )
buf[i++] = '0';
}
else
while( x != 0 )
{
j = (ULONGLONG) x % base;
x = (ULONGLONG) x / base;
buf[i++] = digits[j];
}
k = flags->Precision - i;
while( k-- > 0 )
buf[i++] = '0';
if( flags->Alternate )
{
if( base == 16 )
{
buf[i++] = digits[16];
buf[i++] = '0';
}
else if( base == 8 && buf[i-1] != '0' )
buf[i++] = '0';
}
/* Adjust precision so pf_fill won't truncate the number later */
flags->Precision = i;
buf[i] = '\0';
j = 0;
while(--i > j) {
APICHAR tmp = buf[j];
buf[j] = buf[i];
buf[i] = tmp;
j++;
}
}
static int FUNC_NAME(pf_vsnprintf)( FUNC_NAME(pf_output) *out, const APICHAR *format, __ms_va_list valist )
{
int r;
const APICHAR *q, *p = format;
pf_flags flags;
while (*p)
{
for (q = p; *q; q++) if (*q == '%') break;
if (q != p)
{
r = FUNC_NAME(pf_output_string)(out, p, q - p);
if (r < 0) return r;
p = q;
if (!*p) break;
}
p++;
/* output a single % character */
if( *p == '%' )
{
r = FUNC_NAME(pf_output_string)(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 = TRUE;
else if( *p == '0' )
flags.PadZero = TRUE;
else if( *p == '#' )
flags.Alternate = TRUE;
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 = TRUE;
flags.FieldLength = -flags.FieldLength;
}
p++;
}
else while (*p >= '0' && *p <= '9')
{
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 (*p >= '0' && *p <= '9')
{
flags.Precision *= 10;
flags.Precision += *p++ - '0';
}
}
/* deal with integer width modifier */
while( *p )
{
if (*p == 'l' && *(p+1) == 'l')
{
flags.IntegerDouble = TRUE;
p += 2;
}
else if( *p == 'l' || *p == 'L' )
{
flags.IntegerLength = LEN_LONG;
p++;
}
else if( *p == 'h')
{
flags.IntegerLength = LEN_SHORT;
p++;
}
else if( *p == 'I' )
{
if( *(p+1) == '6' && *(p+2) == '4' )
{
flags.IntegerDouble = TRUE;
p += 3;
}
else if( *(p+1) == '3' && *(p+2) == '2' )
p += 3;
else if( p[1] && strchr( "diouxX", p[1] ) )
{
if( sizeof(void *) == 8 )
flags.IntegerDouble = TRUE;
p++;
}
else if ((p[1] >= '0' && p[1] <= '9') || !p[1])
break;
else
p++;
}
else if( *p == 'w' )
{
flags.WideString = TRUE;
p++;
}
else if ((*p == 'z' || *p == 't') && p[1] && strchr("diouxX", p[1]))
{
flags.IntegerNative = TRUE;
p++;
}
else if (*p == 'j')
{
flags.IntegerDouble = TRUE;
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", FUNC_NAME(wine_dbgstr)(format));
return -1;
}
/* output a string */
if( flags.Format == 's' || flags.Format == 'S' )
r = FUNC_NAME(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' )
{
APICHAR ch = (APICHAR)va_arg( valist, int );
r = FUNC_NAME(pf_handle_string_format)( out, &ch, 1, &flags, (flags.Format == 'C') );
}
/* output a pointer */
else if( flags.Format == 'p' )
{
APICHAR pointer[32];
void *ptr = va_arg( valist, void * );
int prec = flags.Precision;
flags.Format = 'X';
flags.PadZero = TRUE;
flags.Precision = 2*sizeof(void*);
FUNC_NAME(pf_integer_conv)( pointer, &flags, (ULONG_PTR)ptr );
flags.PadZero = FALSE;
flags.Precision = prec;
r = FUNC_NAME(pf_output_format)( out, pointer, -1, &flags );
}
/* deal with %n */
else if( flags.Format == 'n' )
{
int *x = va_arg(valist, int *);
*x = out->used;
}
else if( flags.Format && strchr("diouxX", flags.Format ))
{
APICHAR number[40], *x = number;
int max_len;
/* 0 padding is added after '0x' if Alternate flag is in use */
if((flags.Format=='x' || flags.Format=='X') && flags.PadZero && flags.Alternate
&& !flags.LeftAlign && flags.Precision<flags.FieldLength-2)
flags.Precision = flags.FieldLength - 2;
max_len = (flags.FieldLength>flags.Precision ? flags.FieldLength : flags.Precision) + 10;
if(max_len > ARRAY_SIZE(number))
if (!(x = RtlAllocateHeap( GetProcessHeap(), 0, max_len * sizeof(*x) ))) return -1;
if(flags.IntegerDouble || (flags.IntegerNative && sizeof(void*) == 8))
FUNC_NAME(pf_integer_conv)( x, &flags, va_arg(valist, LONGLONG) );
else if(flags.Format=='d' || flags.Format=='i')
FUNC_NAME(pf_integer_conv)( x, &flags, flags.IntegerLength != LEN_SHORT ?
va_arg(valist, int) : (short)va_arg(valist, int) );
else
FUNC_NAME(pf_integer_conv)( x, &flags, flags.IntegerLength != LEN_SHORT ?
(unsigned int)va_arg(valist, int) : (unsigned short)va_arg(valist, int) );
r = FUNC_NAME(pf_output_format)( out, x, -1, &flags );
if( x != number )
RtlFreeHeap( GetProcessHeap(), 0, x );
}
else
continue;
if( r<0 )
return r;
p++;
}
return out->used;
}
#undef APICHAR
#undef APISTR
#undef FUNC_NAME
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