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/*
* wsprintf functions
*
* Copyright 1996 Alexandre Julliard
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windows.h"
#include "ldt.h"
#include "stackframe.h"
#include "debug.h"
#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_CHAR,
WPR_WCHAR,
WPR_STRING,
WPR_WSTRING,
WPR_SIGNED,
WPR_UNSIGNED,
WPR_HEXA
} WPRINTF_TYPE;
typedef struct
{
UINT32 flags;
UINT32 width;
UINT32 precision;
WPRINTF_TYPE type;
} WPRINTF_FORMAT;
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 INT32 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:
fprintf( stderr, "wvsprintf32A: unknown format '%c'\n", *p );
break;
}
return (INT32)(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 INT32 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:
fprintf( stderr, "wvsprintf32W: unknown format '%c'\n", (CHAR)*p );
break;
}
return (INT32)(p - format) + 1;
}
/***********************************************************************
* WPRINTF_GetLen
*/
static UINT32 WPRINTF_GetLen( WPRINTF_FORMAT *format, LPCVOID arg,
LPSTR number, UINT32 maxlen )
{
UINT32 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 (!*(LPCSTR *)arg) *(LPCSTR *)arg = null_stringA;
for (len = 0; !format->precision || (len < format->precision); len++)
if (!*(*(LPCSTR *)arg + len)) break;
if (len > maxlen) len = maxlen;
return (format->precision = len);
case WPR_WSTRING:
if (!*(LPCWSTR *)arg) *(LPCWSTR *)arg = null_stringW;
for (len = 0; !format->precision || (len < format->precision); len++)
if (!*(*(LPCWSTR *)arg + len)) break;
if (len > maxlen) len = maxlen;
return (format->precision = len);
case WPR_SIGNED:
len = sprintf( number, "%d", *(INT32 *)arg );
break;
case WPR_UNSIGNED:
len = sprintf( number, "%u", *(UINT32 *)arg );
break;
case WPR_HEXA:
len = sprintf( number,
(format->flags & WPRINTF_UPPER_HEX) ? "%X" : "%x",
*(UINT32 *)arg );
if (format->flags & WPRINTF_PREFIX_HEX) len += 2;
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;
return len;
}
/***********************************************************************
* wvsnprintf16 (Not a Windows API)
*/
INT16 WINAPI wvsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec,
LPCVOID args )
{
WPRINTF_FORMAT format;
LPSTR p = buffer;
UINT32 i, len;
CHAR number[20];
DWORD cur_arg;
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: /* No Unicode in Win16 */
case WPR_CHAR:
cur_arg = (DWORD)VA_ARG16( args, CHAR );
break;
case WPR_WSTRING: /* No Unicode in Win16 */
case WPR_STRING:
cur_arg = (DWORD)VA_ARG16( args, SEGPTR );
if (IsBadReadPtr16( (SEGPTR)cur_arg, 1 )) cur_arg = (DWORD)"";
else cur_arg = (DWORD)PTR_SEG_TO_LIN( (SEGPTR)cur_arg );
break;
case WPR_SIGNED:
if (!(format.flags & WPRINTF_LONG))
{
cur_arg = (DWORD)(INT32)VA_ARG16( args, INT16 );
break;
}
/* fall through */
case WPR_HEXA:
case WPR_UNSIGNED:
if (format.flags & WPRINTF_LONG)
cur_arg = (DWORD)VA_ARG16( args, UINT32 );
else
cur_arg = (DWORD)VA_ARG16( args, UINT16 );
break;
}
len = WPRINTF_GetLen( &format, &cur_arg, number, maxlen - 1 );
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
switch(format.type)
{
case WPR_WCHAR:
case WPR_CHAR:
if ((*p = (CHAR)cur_arg)) p++;
else if (format.width > 1) *p++ = ' ';
else len = 0;
break;
case WPR_WSTRING:
case WPR_STRING:
if (len) memcpy( p, (LPCSTR)cur_arg, len );
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;
format.precision -= 2;
format.width -= 2;
}
/* fall through */
case WPR_SIGNED:
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
if (len) memcpy( p, number, len );
p += len;
break;
}
if (format.flags & WPRINTF_LEFTALIGN)
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
maxlen -= len;
}
*p = 0;
return (maxlen > 1) ? (INT32)(p - buffer) : -1;
}
/***********************************************************************
* wvsnprintf32A (Not a Windows API)
*/
INT32 WINAPI wvsnprintf32A( LPSTR buffer, UINT32 maxlen, LPCSTR spec,
va_list args )
{
WPRINTF_FORMAT format;
LPSTR p = buffer;
UINT32 i, len;
CHAR number[20];
while (*spec && (maxlen > 1))
{
if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
spec++;
if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
spec += WPRINTF_ParseFormatA( spec, &format );
len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
switch(format.type)
{
case WPR_WCHAR:
if ((*p = (CHAR)va_arg( args, WCHAR ))) p++;
else if (format.width > 1) *p++ = ' ';
else len = 0;
break;
case WPR_CHAR:
if ((*p = va_arg( args, CHAR ))) p++;
else if (format.width > 1) *p++ = ' ';
else len = 0;
break;
case WPR_STRING:
memcpy( p, va_arg( args, LPCSTR ), len );
p += len;
break;
case WPR_WSTRING:
{
LPCWSTR ptr = va_arg( args, LPCWSTR );
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;
format.precision -= 2;
format.width -= 2;
}
/* fall through */
case WPR_SIGNED:
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
memcpy( p, number, len );
p += len;
(void)va_arg( args, INT32 ); /* Go to the next arg */
break;
}
if (format.flags & WPRINTF_LEFTALIGN)
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
maxlen -= len;
}
*p = 0;
TRACE(string,"%s\n",buffer);
return (maxlen > 1) ? (INT32)(p - buffer) : -1;
}
/***********************************************************************
* wvsnprintf32W (Not a Windows API)
*/
INT32 WINAPI wvsnprintf32W( LPWSTR buffer, UINT32 maxlen, LPCWSTR spec,
va_list args )
{
WPRINTF_FORMAT format;
LPWSTR p = buffer;
UINT32 i, len;
CHAR number[20];
while (*spec && (maxlen > 1))
{
if (*spec != '%') { *p++ = *spec++; maxlen--; continue; }
spec++;
if (*spec == '%') { *p++ = *spec++; maxlen--; continue; }
spec += WPRINTF_ParseFormatW( spec, &format );
len = WPRINTF_GetLen( &format, args, number, maxlen - 1 );
if (!(format.flags & WPRINTF_LEFTALIGN))
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
switch(format.type)
{
case WPR_WCHAR:
if ((*p = va_arg( args, WCHAR ))) p++;
else if (format.width > 1) *p++ = ' ';
else len = 0;
break;
case WPR_CHAR:
if ((*p = (WCHAR)va_arg( args, CHAR ))) p++;
else if (format.width > 1) *p++ = ' ';
else len = 0;
break;
case WPR_STRING:
{
LPCSTR ptr = va_arg( args, LPCSTR );
for (i = 0; i < len; i++) *p++ = (WCHAR)*ptr++;
}
break;
case WPR_WSTRING:
if (len) memcpy( p, va_arg( args, LPCWSTR ), 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;
format.precision -= 2;
format.width -= 2;
}
/* fall through */
case WPR_SIGNED:
case WPR_UNSIGNED:
for (i = len; i < format.precision; i++, maxlen--) *p++ = '0';
for (i = 0; i < len; i++) *p++ = (WCHAR)number[i];
(void)va_arg( args, INT32 ); /* Go to the next arg */
break;
}
if (format.flags & WPRINTF_LEFTALIGN)
for (i = format.precision; i < format.width; i++, maxlen--)
*p++ = ' ';
maxlen -= len;
}
*p = 0;
return (maxlen > 1) ? (INT32)(p - buffer) : -1;
}
/***********************************************************************
* wvsprintf16 (USER.421)
*/
INT16 WINAPI wvsprintf16( LPSTR buffer, LPCSTR spec, LPCVOID args )
{
TRACE(string,"for %p got:\n",buffer);
return wvsnprintf16( buffer, 0xffff, spec, args );
}
/***********************************************************************
* wvsprintf32A (USER32.586)
*/
INT32 WINAPI wvsprintf32A( LPSTR buffer, LPCSTR spec, va_list args )
{
TRACE(string,"for %p got:\n",buffer);
return wvsnprintf32A( buffer, 0xffffffff, spec, args );
}
/***********************************************************************
* wvsprintf32W (USER32.587)
*/
INT32 WINAPI wvsprintf32W( LPWSTR buffer, LPCWSTR spec, va_list args )
{
TRACE(string,"for %p got:\n",buffer);
return wvsnprintf32W( buffer, 0xffffffff, spec, args );
}
/***********************************************************************
* wsprintf16 (USER.420)
*/
/* Winelib version */
INT16 WINAPIV wsprintf16( LPSTR buffer, LPCSTR spec, ... )
{
va_list valist;
INT16 res;
TRACE(string,"for %p got:\n",buffer);
va_start( valist, spec );
/* Note: we call the 32-bit version, because the args are 32-bit */
res = (INT16)wvsnprintf32A( buffer, 0xffffffff, spec, valist );
va_end( valist );
return res;
}
/* Emulator version */
INT16 WINAPIV WIN16_wsprintf16(void)
{
VA_LIST16 valist;
INT16 res;
SEGPTR buffer, spec;
VA_START16( valist );
buffer = VA_ARG16( valist, SEGPTR );
spec = VA_ARG16( valist, SEGPTR );
TRACE(string,"got:\n");
res = wvsnprintf16( (LPSTR)PTR_SEG_TO_LIN(buffer), 0xffff,
(LPCSTR)PTR_SEG_TO_LIN(spec), valist );
VA_END16( valist );
return res;
}
/***********************************************************************
* wsprintf32A (USER32.585)
*/
INT32 WINAPIV wsprintf32A( LPSTR buffer, LPCSTR spec, ... )
{
va_list valist;
INT32 res;
TRACE(string,"for %p got:\n",buffer);
va_start( valist, spec );
res = wvsnprintf32A( buffer, 0xffffffff, spec, valist );
va_end( valist );
return res;
}
/***********************************************************************
* wsprintf32W (USER32.586)
*/
INT32 WINAPIV wsprintf32W( LPWSTR buffer, LPCWSTR spec, ... )
{
va_list valist;
INT32 res;
TRACE(string,"wsprintf32W for %p\n",buffer);
va_start( valist, spec );
res = wvsnprintf32W( buffer, 0xffffffff, spec, valist );
va_end( valist );
return res;
}
/***********************************************************************
* wsnprintf16 (Not a Windows API)
*/
INT16 WINAPIV wsnprintf16( LPSTR buffer, UINT16 maxlen, LPCSTR spec, ... )
{
va_list valist;
INT16 res;
va_start( valist, spec );
res = wvsnprintf16( buffer, maxlen, spec, valist );
va_end( valist );
return res;
}
/***********************************************************************
* wsnprintf32A (Not a Windows API)
*/
INT32 WINAPIV wsnprintf32A( LPSTR buffer, UINT32 maxlen, LPCSTR spec, ... )
{
va_list valist;
INT32 res;
va_start( valist, spec );
res = wvsnprintf32A( buffer, maxlen, spec, valist );
va_end( valist );
return res;
}
/***********************************************************************
* wsnprintf32W (Not a Windows API)
*/
INT32 WINAPIV wsnprintf32W( LPWSTR buffer, UINT32 maxlen, LPCWSTR spec, ... )
{
va_list valist;
INT32 res;
va_start( valist, spec );
res = wvsnprintf32W( buffer, maxlen, spec, valist );
va_end( valist );
return res;
}
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