ntdll: Use macros to define both A and W printf functions.
This is similar to what msvcrt does. Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
parent
1a43c5de71
commit
2d38551dd9
|
@ -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;
|
||||
pf_output_a out = { str, len };
|
||||
int r = pf_vsnprintf_a( &out, format, args );
|
||||
|
||||
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 );
|
||||
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;
|
||||
pf_output_a out = { str, min( size, len ) };
|
||||
int r = pf_vsnprintf_a( &out, format, args );
|
||||
|
||||
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 );
|
||||
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;
|
||||
pf_output_w out = { str, min( size, len ) };
|
||||
int r = pf_vsnprintf_w( &out, format, args );
|
||||
|
||||
out.unicode = TRUE;
|
||||
out.buf.W = str;
|
||||
out.used = 0;
|
||||
out.len = min( size, len );
|
||||
|
||||
r = pf_vsnprintf( &out, format, args );
|
||||
if (out.used < size) str[out.used] = 0;
|
||||
else str[0] = 0;
|
||||
if (r == size) r = -1;
|
||||
|
|
|
@ -0,0 +1,509 @@
|
|||
/*
|
||||
* 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
|
Loading…
Reference in New Issue