531 lines
16 KiB
C
531 lines
16 KiB
C
/*
|
|
* wsprintf functions
|
|
*
|
|
* Copyright 1996 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* NOTE:
|
|
* This code is duplicated in user32. If you change something here make sure
|
|
* to change it in user32 too.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "winuser.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(string);
|
|
|
|
|
|
#define WPRINTF_LEFTALIGN 0x0001 /* Align output on the left ('-' prefix) */
|
|
#define WPRINTF_PREFIX_HEX 0x0002 /* Prefix hex with 0x ('#' prefix) */
|
|
#define WPRINTF_ZEROPAD 0x0004 /* Pad with zeros ('0' prefix) */
|
|
#define WPRINTF_LONG 0x0008 /* Long arg ('l' prefix) */
|
|
#define WPRINTF_SHORT 0x0010 /* Short arg ('h' prefix) */
|
|
#define WPRINTF_UPPER_HEX 0x0020 /* Upper-case hex ('X' specifier) */
|
|
#define WPRINTF_WIDE 0x0040 /* Wide arg ('w' prefix) */
|
|
|
|
typedef enum
|
|
{
|
|
WPR_UNKNOWN,
|
|
WPR_CHAR,
|
|
WPR_WCHAR,
|
|
WPR_STRING,
|
|
WPR_WSTRING,
|
|
WPR_SIGNED,
|
|
WPR_UNSIGNED,
|
|
WPR_HEXA
|
|
} WPRINTF_TYPE;
|
|
|
|
typedef struct
|
|
{
|
|
UINT flags;
|
|
UINT width;
|
|
UINT precision;
|
|
WPRINTF_TYPE type;
|
|
} WPRINTF_FORMAT;
|
|
|
|
typedef union {
|
|
WCHAR wchar_view;
|
|
CHAR char_view;
|
|
LPCSTR lpcstr_view;
|
|
LPCWSTR lpcwstr_view;
|
|
INT int_view;
|
|
} WPRINTF_DATA;
|
|
|
|
static const CHAR null_stringA[] = "(null)";
|
|
static const WCHAR null_stringW[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
|
|
|
|
/***********************************************************************
|
|
* WPRINTF_ParseFormatA
|
|
*
|
|
* Parse a format specification. A format specification has the form:
|
|
*
|
|
* [-][#][0][width][.precision]type
|
|
*
|
|
* Return value is the length of the format specification in characters.
|
|
*/
|
|
static INT WPRINTF_ParseFormatA( LPCSTR format, WPRINTF_FORMAT *res )
|
|
{
|
|
LPCSTR p = format;
|
|
|
|
res->flags = 0;
|
|
res->width = 0;
|
|
res->precision = 0;
|
|
if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
|
|
if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
|
|
if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
|
|
while ((*p >= '0') && (*p <= '9')) /* width field */
|
|
{
|
|
res->width = res->width * 10 + *p - '0';
|
|
p++;
|
|
}
|
|
if (*p == '.') /* precision field */
|
|
{
|
|
p++;
|
|
while ((*p >= '0') && (*p <= '9'))
|
|
{
|
|
res->precision = res->precision * 10 + *p - '0';
|
|
p++;
|
|
}
|
|
}
|
|
if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
|
|
else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
|
|
else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
|
|
switch(*p)
|
|
{
|
|
case 'c':
|
|
res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
|
|
break;
|
|
case 'C':
|
|
res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
|
|
break;
|
|
case 'd':
|
|
case 'i':
|
|
res->type = WPR_SIGNED;
|
|
break;
|
|
case 's':
|
|
res->type = (res->flags & (WPRINTF_LONG |WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
|
|
break;
|
|
case 'S':
|
|
res->type = (res->flags & (WPRINTF_SHORT|WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
|
|
break;
|
|
case 'u':
|
|
res->type = WPR_UNSIGNED;
|
|
break;
|
|
case 'X':
|
|
res->flags |= WPRINTF_UPPER_HEX;
|
|
/* fall through */
|
|
case 'x':
|
|
res->type = WPR_HEXA;
|
|
break;
|
|
default: /* unknown format char */
|
|
res->type = WPR_UNKNOWN;
|
|
p--; /* print format as normal char */
|
|
break;
|
|
}
|
|
return (INT)(p - format) + 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WPRINTF_ParseFormatW
|
|
*
|
|
* Parse a format specification. A format specification has the form:
|
|
*
|
|
* [-][#][0][width][.precision]type
|
|
*
|
|
* Return value is the length of the format specification in characters.
|
|
*/
|
|
static INT WPRINTF_ParseFormatW( LPCWSTR format, WPRINTF_FORMAT *res )
|
|
{
|
|
LPCWSTR p = format;
|
|
|
|
res->flags = 0;
|
|
res->width = 0;
|
|
res->precision = 0;
|
|
if (*p == '-') { res->flags |= WPRINTF_LEFTALIGN; p++; }
|
|
if (*p == '#') { res->flags |= WPRINTF_PREFIX_HEX; p++; }
|
|
if (*p == '0') { res->flags |= WPRINTF_ZEROPAD; p++; }
|
|
while ((*p >= '0') && (*p <= '9')) /* width field */
|
|
{
|
|
res->width = res->width * 10 + *p - '0';
|
|
p++;
|
|
}
|
|
if (*p == '.') /* precision field */
|
|
{
|
|
p++;
|
|
while ((*p >= '0') && (*p <= '9'))
|
|
{
|
|
res->precision = res->precision * 10 + *p - '0';
|
|
p++;
|
|
}
|
|
}
|
|
if (*p == 'l') { res->flags |= WPRINTF_LONG; p++; }
|
|
else if (*p == 'h') { res->flags |= WPRINTF_SHORT; p++; }
|
|
else if (*p == 'w') { res->flags |= WPRINTF_WIDE; p++; }
|
|
switch((CHAR)*p)
|
|
{
|
|
case 'c':
|
|
res->type = (res->flags & WPRINTF_SHORT) ? WPR_CHAR : WPR_WCHAR;
|
|
break;
|
|
case 'C':
|
|
res->type = (res->flags & WPRINTF_LONG) ? WPR_WCHAR : WPR_CHAR;
|
|
break;
|
|
case 'd':
|
|
case 'i':
|
|
res->type = WPR_SIGNED;
|
|
break;
|
|
case 's':
|
|
res->type = ((res->flags & WPRINTF_SHORT) && !(res->flags & WPRINTF_WIDE)) ? WPR_STRING : WPR_WSTRING;
|
|
break;
|
|
case 'S':
|
|
res->type = (res->flags & (WPRINTF_LONG|WPRINTF_WIDE)) ? WPR_WSTRING : WPR_STRING;
|
|
break;
|
|
case 'u':
|
|
res->type = WPR_UNSIGNED;
|
|
break;
|
|
case 'X':
|
|
res->flags |= WPRINTF_UPPER_HEX;
|
|
/* fall through */
|
|
case 'x':
|
|
res->type = WPR_HEXA;
|
|
break;
|
|
default:
|
|
res->type = WPR_UNKNOWN;
|
|
p--; /* print format as normal char */
|
|
break;
|
|
}
|
|
return (INT)(p - format) + 1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WPRINTF_GetLen
|
|
*/
|
|
static UINT WPRINTF_GetLen( WPRINTF_FORMAT *format, WPRINTF_DATA *arg,
|
|
LPSTR number, UINT maxlen )
|
|
{
|
|
UINT len;
|
|
|
|
if (format->flags & WPRINTF_LEFTALIGN) format->flags &= ~WPRINTF_ZEROPAD;
|
|
if (format->width > maxlen) format->width = maxlen;
|
|
switch(format->type)
|
|
{
|
|
case WPR_CHAR:
|
|
case WPR_WCHAR:
|
|
return (format->precision = 1);
|
|
case WPR_STRING:
|
|
if (!arg->lpcstr_view) arg->lpcstr_view = null_stringA;
|
|
for (len = 0; !format->precision || (len < format->precision); len++)
|
|
if (!*(arg->lpcstr_view + len)) break;
|
|
if (len > maxlen) len = maxlen;
|
|
return (format->precision = len);
|
|
case WPR_WSTRING:
|
|
if (!arg->lpcwstr_view) arg->lpcwstr_view = null_stringW;
|
|
for (len = 0; !format->precision || (len < format->precision); len++)
|
|
if (!*(arg->lpcwstr_view + len)) break;
|
|
if (len > maxlen) len = maxlen;
|
|
return (format->precision = len);
|
|
case WPR_SIGNED:
|
|
len = sprintf( number, "%d", arg->int_view );
|
|
break;
|
|
case WPR_UNSIGNED:
|
|
len = sprintf( number, "%u", (UINT)arg->int_view );
|
|
break;
|
|
case WPR_HEXA:
|
|
len = sprintf( number,
|
|
(format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
|
|
(UINT)arg->int_view);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
if (len > maxlen) len = maxlen;
|
|
if (format->precision < len) format->precision = len;
|
|
if (format->precision > maxlen) format->precision = maxlen;
|
|
if ((format->flags & WPRINTF_ZEROPAD) && (format->width > format->precision))
|
|
format->precision = format->width;
|
|
if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
|
|
return len;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvnsprintfA (SHLWAPI.@)
|
|
*
|
|
* Print formatted output to a string, up to a maximum number of chars.
|
|
*
|
|
* PARAMS
|
|
* lpOut [O] Destination for output string
|
|
* cchLimitIn [I] Maximum number of characters to write
|
|
* lpFmt [I] Format string
|
|
*
|
|
* RETURNS
|
|
* Success: The number of characters written.
|
|
* Failure: -1.
|
|
*/
|
|
INT WINAPI wvnsprintfA( LPSTR buffer, UINT maxlen, LPCSTR spec, va_list args )
|
|
{
|
|
WPRINTF_FORMAT format;
|
|
LPSTR p = buffer;
|
|
UINT i, len, sign;
|
|
CHAR number[20];
|
|
WPRINTF_DATA argData;
|
|
|
|
TRACE("%p %u %s\n", buffer, maxlen, debugstr_a(spec));
|
|
|
|
while (*spec && (maxlen > 1))
|
|
{
|
|
if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
|
|
spec++;
|
|
if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
|
|
spec += WPRINTF_ParseFormatA( spec, &format );
|
|
|
|
switch(format.type)
|
|
{
|
|
case WPR_WCHAR:
|
|
argData.wchar_view = (WCHAR)va_arg( args, int );
|
|
break;
|
|
case WPR_CHAR:
|
|
argData.char_view = (CHAR)va_arg( args, int );
|
|
break;
|
|
case WPR_STRING:
|
|
argData.lpcstr_view = va_arg( args, LPCSTR );
|
|
break;
|
|
case WPR_WSTRING:
|
|
argData.lpcwstr_view = va_arg( args, LPCWSTR );
|
|
break;
|
|
case WPR_HEXA:
|
|
case WPR_SIGNED:
|
|
case WPR_UNSIGNED:
|
|
argData.int_view = va_arg( args, INT );
|
|
break;
|
|
default:
|
|
argData.wchar_view = 0;
|
|
break;
|
|
}
|
|
|
|
len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
|
|
sign = 0;
|
|
if (!(format.flags & WPRINTF_LEFTALIGN))
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
switch(format.type)
|
|
{
|
|
case WPR_WCHAR:
|
|
*p++ = argData.wchar_view;
|
|
break;
|
|
case WPR_CHAR:
|
|
*p++ = argData.char_view;
|
|
break;
|
|
case WPR_STRING:
|
|
memcpy( p, argData.lpcstr_view, len );
|
|
p += len;
|
|
break;
|
|
case WPR_WSTRING:
|
|
{
|
|
LPCWSTR ptr = argData.lpcwstr_view;
|
|
for (i = 0; i < len; i++) *p++ = (CHAR)*ptr++;
|
|
}
|
|
break;
|
|
case WPR_HEXA:
|
|
if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
|
|
{
|
|
*p++ = '0';
|
|
*p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
|
|
maxlen -= 2;
|
|
len -= 2;
|
|
}
|
|
/* fall through */
|
|
case WPR_SIGNED:
|
|
/* Transfer the sign now, just in case it will be zero-padded*/
|
|
if (number[0] == '-')
|
|
{
|
|
*p++ = '-';
|
|
sign = 1;
|
|
}
|
|
/* fall through */
|
|
case WPR_UNSIGNED:
|
|
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
|
|
memcpy( p, number + sign, len - sign );
|
|
p += len - sign;
|
|
break;
|
|
case WPR_UNKNOWN:
|
|
continue;
|
|
}
|
|
if (format.flags & WPRINTF_LEFTALIGN)
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
maxlen -= len;
|
|
}
|
|
*p = 0;
|
|
TRACE("%s\n",debugstr_a(buffer));
|
|
return (maxlen > 1) ? (INT)(p - buffer) : -1;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* wvnsprintfW (SHLWAPI.@)
|
|
*
|
|
* See wvnsprintfA.
|
|
*/
|
|
INT WINAPI wvnsprintfW( LPWSTR buffer, UINT maxlen, LPCWSTR spec, va_list args )
|
|
{
|
|
WPRINTF_FORMAT format;
|
|
LPWSTR p = buffer;
|
|
UINT i, len, sign;
|
|
CHAR number[20];
|
|
WPRINTF_DATA argData;
|
|
|
|
TRACE("%p %u %s\n", buffer, maxlen, debugstr_w(spec));
|
|
|
|
while (*spec && (maxlen > 1))
|
|
{
|
|
if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
|
|
spec++;
|
|
if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
|
|
spec += WPRINTF_ParseFormatW( spec, &format );
|
|
|
|
switch(format.type)
|
|
{
|
|
case WPR_WCHAR:
|
|
argData.wchar_view = (WCHAR)va_arg( args, int );
|
|
break;
|
|
case WPR_CHAR:
|
|
argData.char_view = (CHAR)va_arg( args, int );
|
|
break;
|
|
case WPR_STRING:
|
|
argData.lpcstr_view = va_arg( args, LPCSTR );
|
|
break;
|
|
case WPR_WSTRING:
|
|
argData.lpcwstr_view = va_arg( args, LPCWSTR );
|
|
break;
|
|
case WPR_HEXA:
|
|
case WPR_SIGNED:
|
|
case WPR_UNSIGNED:
|
|
argData.int_view = va_arg( args, INT );
|
|
break;
|
|
default:
|
|
argData.wchar_view = 0;
|
|
break;
|
|
}
|
|
|
|
len = WPRINTF_GetLen( &format, &argData, number, maxlen - 1 );
|
|
sign = 0;
|
|
if (!(format.flags & WPRINTF_LEFTALIGN))
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
switch(format.type)
|
|
{
|
|
case WPR_WCHAR:
|
|
*p++ = argData.wchar_view;
|
|
break;
|
|
case WPR_CHAR:
|
|
*p++ = argData.char_view;
|
|
break;
|
|
case WPR_STRING:
|
|
{
|
|
LPCSTR ptr = argData.lpcstr_view;
|
|
for (i = 0; i < len; i++) *p++ = (WCHAR)*ptr++;
|
|
}
|
|
break;
|
|
case WPR_WSTRING:
|
|
if (len) memcpy( p, argData.lpcwstr_view, len * sizeof(WCHAR) );
|
|
p += len;
|
|
break;
|
|
case WPR_HEXA:
|
|
if ((format.flags & WPRINTF_PREFIX_HEX) && (maxlen > 3))
|
|
{
|
|
*p++ = '0';
|
|
*p++ = (format.flags & WPRINTF_UPPER_HEX) ? 'X' : 'x';
|
|
maxlen -= 2;
|
|
len -= 2;
|
|
}
|
|
/* fall through */
|
|
case WPR_SIGNED:
|
|
/* Transfer the sign now, just in case it will be zero-padded*/
|
|
if (number[0] == '-')
|
|
{
|
|
*p++ = '-';
|
|
sign = 1;
|
|
}
|
|
/* fall through */
|
|
case WPR_UNSIGNED:
|
|
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
|
|
for (i = sign; i < len; i++) *p++ = (WCHAR)number[i];
|
|
break;
|
|
case WPR_UNKNOWN:
|
|
continue;
|
|
}
|
|
if (format.flags & WPRINTF_LEFTALIGN)
|
|
for (i = format.precision; i < format.width; i++, maxlen--)
|
|
*p++ = ' ';
|
|
maxlen -= len;
|
|
}
|
|
*p = 0;
|
|
TRACE("%s\n",debugstr_w(buffer));
|
|
return (maxlen > 1) ? (INT)(p - buffer) : -1;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* wnsprintfA (SHLWAPI.@)
|
|
*
|
|
* Print formatted output to a string, up to a maximum number of chars.
|
|
*
|
|
* PARAMS
|
|
* lpOut [O] Destination for output string
|
|
* cchLimitIn [I] Maximum number of characters to write
|
|
* lpFmt [I] Format string
|
|
*
|
|
* RETURNS
|
|
* Success: The number of characters written.
|
|
* Failure: -1.
|
|
*/
|
|
int WINAPIV wnsprintfA(LPSTR lpOut, int cchLimitIn, LPCSTR lpFmt, ...)
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
va_start( valist, lpFmt );
|
|
res = wvnsprintfA( lpOut, cchLimitIn, lpFmt, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|
|
|
|
|
|
/*************************************************************************
|
|
* wnsprintfW (SHLWAPI.@)
|
|
*
|
|
* See wnsprintfA.
|
|
*/
|
|
int WINAPIV wnsprintfW(LPWSTR lpOut, int cchLimitIn, LPCWSTR lpFmt, ...)
|
|
{
|
|
va_list valist;
|
|
INT res;
|
|
|
|
va_start( valist, lpFmt );
|
|
res = wvnsprintfW( lpOut, cchLimitIn, lpFmt, valist );
|
|
va_end( valist );
|
|
return res;
|
|
}
|