dlls/ntdll/printf.c

   1 /*
   2  * ntdll printf functions
   3  *
   4  * Copyright 1999, 2009 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <assert.h>
  23 #include <ctype.h>
  24 #include <stdarg.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28
  29 #include "windef.h"
  30 #include "winternl.h"
  31 #include "ntdll_misc.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  35
  36 static const SIZE_T size_max = ~(SIZE_T)0 >> 1;
  37
  38 typedef struct pf_flags_t
  39 {
  40     enum { LEN_DEFAULT, LEN_SHORT, LEN_LONG } IntegerLength;
  41     BOOLEAN IntegerDouble, IntegerNative, LeftAlign, Alternate, PadZero, WideString;
  42     int FieldLength, Precision;
  43     char Sign, Format;
  44 } pf_flags;
  45
  46
  47 #include "printf.h"
  48 #define PRINTF_WIDE
  49 #include "printf.h"
  50 #undef PRINTF_WIDE
  51
  52 /*********************************************************************
  53  *                  _vsnprintf   (NTDLL.@)
  54  */
  55 int CDECL _vsnprintf( char *str, size_t len, const char *format, va_list args )
  56 {
  57     pf_output_a out = { str, len };
  58     int r = pf_vsnprintf_a( &out, format, args );
  59
  60     if (out.used < len) str[out.used] = 0;
  61     return r;
  62 }
  63
  64
  65 /***********************************************************************
  66  *                  _vsnwprintf   (NTDLL.@)
  67  */
  68 int CDECL _vsnwprintf( WCHAR *str, size_t len, const WCHAR *format, va_list args )
  69 {
  70     pf_output_w out = { str, len };
  71     int r = pf_vsnprintf_w( &out, format, args );
  72
  73     if (out.used < len) str[out.used] = 0;
  74     return r;
  75 }
  76
  77
  78 /*********************************************************************
  79  *                  _snprintf   (NTDLL.@)
  80  */
  81 int WINAPIV NTDLL__snprintf( char *str, size_t len, const char *format, ... )
  82 {
  83     int ret;
  84     va_list valist;
  85
  86     va_start( valist, format );
  87     ret = _vsnprintf( str, len, format, valist );
  88     va_end( valist );
  89     return ret;
  90 }
  91
  92
  93 /***********************************************************************
  94  *                  _snwprintf   (NTDLL.@)
  95  */
  96 int WINAPIV _snwprintf( WCHAR *str, size_t len, const WCHAR *format, ... )
  97 {
  98     int ret;
  99     va_list valist;
 100
 101     va_start(valist, format);
 102     ret = _vsnwprintf( str, len, format, valist );
 103     va_end(valist);
 104     return ret;
 105 }
 106
 107
 108 /*********************************************************************
 109  *                  _vsnprintf_s   (NTDLL.@)
 110  */
 111 int CDECL _vsnprintf_s( char *str, size_t size, size_t len, const char *format, va_list args )
 112 {
 113     pf_output_a out = { str, min( size, len ) };
 114     int r = pf_vsnprintf_a( &out, format, args );
 115
 116     if (out.used < size) str[out.used] = 0;
 117     else str[0] = 0;
 118     if (r == size) r = -1;
 119     return r;
 120 }
 121
 122
 123 /***********************************************************************
 124  *                  _vsnwprintf_s   (NTDLL.@)
 125  */
 126 int CDECL _vsnwprintf_s( WCHAR *str, size_t size, size_t len, const WCHAR *format, va_list args )
 127 {
 128     pf_output_w out = { str, min( size, len ) };
 129     int r = pf_vsnprintf_w( &out, format, args );
 130
 131     if (out.used < size) str[out.used] = 0;
 132     else str[0] = 0;
 133     if (r == size) r = -1;
 134     return r;
 135 }
 136
 137
 138 /*********************************************************************
 139  *                  _snprintf_s   (NTDLL.@)
 140  */
 141 int WINAPIV _snprintf_s( char *str, size_t size, size_t len, const char *format, ... )
 142 {
 143     int ret;
 144     va_list valist;
 145
 146     va_start( valist, format );
 147     ret = _vsnprintf_s( str, size, len, format, valist );
 148     va_end( valist );
 149     return ret;
 150 }
 151
 152
 153 /*********************************************************************
 154  *                  _snwprintf_s   (NTDLL.@)
 155  */
 156 int WINAPIV _snwprintf_s( WCHAR *str, size_t size, size_t len, const WCHAR *format, ... )
 157 {
 158     int ret;
 159     va_list valist;
 160
 161     va_start( valist, format );
 162     ret = _vsnwprintf_s( str, size, len, format, valist );
 163     va_end( valist );
 164     return ret;
 165 }
 166
 167
 168 /*********************************************************************
 169  *                  vsprintf   (NTDLL.@)
 170  */
 171 int CDECL vsprintf( char *str, const char *format, va_list args )
 172 {
 173     return _vsnprintf( str, size_max, format, args );
 174 }
 175
 176
 177 /*********************************************************************
 178  *                  vsprintf_s   (NTDLL.@)
 179  */
 180 int CDECL vsprintf_s( char *str, size_t size, const char *format, va_list args )
 181 {
 182     return _vsnprintf_s( str, size, size, format, args );
 183 }
 184
 185
 186 /*********************************************************************
 187  *                  _vswprintf   (NTDLL.@)
 188  */
 189 int CDECL _vswprintf( WCHAR *str, const WCHAR *format, va_list args )
 190 {
 191     return _vsnwprintf( str, size_max, format, args );
 192 }
 193
 194
 195 /*********************************************************************
 196  *                  vswprintf_s   (NTDLL.@)
 197  */
 198 int CDECL vswprintf_s( WCHAR *str, size_t size, const WCHAR *format, va_list args )
 199 {
 200     return _vsnwprintf_s( str, size, size, format, args );
 201 }
 202
 203
 204 /*********************************************************************
 205  *                  sprintf   (NTDLL.@)
 206  */
 207 int WINAPIV NTDLL_sprintf( char *str, const char *format, ... )
 208 {
 209     int ret;
 210     va_list valist;
 211
 212     va_start( valist, format );
 213     ret = _vsnprintf( str, size_max, format, valist );
 214     va_end( valist );
 215     return ret;
 216 }
 217
 218
 219 /*********************************************************************
 220  *                  sprintf_s   (NTDLL.@)
 221  */
 222 int WINAPIV sprintf_s( char *str, size_t size, const char *format, ... )
 223 {
 224     int ret;
 225     va_list valist;
 226
 227     va_start( valist, format );
 228     ret = vsprintf_s( str, size, format, valist );
 229     va_end( valist );
 230     return ret;
 231 }
 232
 233
 234 /***********************************************************************
 235  *                  swprintf   (NTDLL.@)
 236  */
 237 int WINAPIV NTDLL_swprintf( WCHAR *str, const WCHAR *format, ... )
 238 {
 239     int ret;
 240     va_list valist;
 241
 242     va_start(valist, format);
 243     ret = _vsnwprintf( str, size_max, format, valist );
 244     va_end(valist);
 245     return ret;
 246 }
 247
 248
 249 /***********************************************************************
 250  *                  swprintf_s   (NTDLL.@)
 251  */
 252 int WINAPIV swprintf_s( WCHAR *str, size_t size, const WCHAR *format, ... )
 253 {
 254     int ret;
 255     va_list valist;
 256
 257     va_start(valist, format);
 258     ret = vswprintf_s( str, size, format, valist );
 259     va_end(valist);
 260     return ret;
 261 }