dlls/msvcrt/printf.h

   1 /*
   2  * Copyright 2011 Piotr Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifdef PRINTF_WIDE
  20 #define APICHAR MSVCRT_wchar_t
  21 #define CONVCHAR char
  22 #define FUNC_NAME(func) func ## _w
  23 #else
  24 #define APICHAR char
  25 #define CONVCHAR MSVCRT_wchar_t
  26 #define FUNC_NAME(func) func ## _a
  27 #endif
  28
  29 #ifndef signbit
  30 #define signbit(x) ((x) < 0)
  31 #endif
  32
  33 typedef struct FUNC_NAME(pf_flags_t)
  34 {
  35     APICHAR Sign, LeftAlign, Alternate, PadZero;
  36     int FieldLength, Precision;
  37     APICHAR IntegerLength, IntegerDouble, IntegerNative;
  38     APICHAR WideString;
  39     APICHAR Format;
  40 } FUNC_NAME(pf_flags);
  41
  42 struct FUNC_NAME(_str_ctx) {
  43     MSVCRT_size_t len;
  44     APICHAR *buf;
  45 };
  46
  47 static int FUNC_NAME(puts_clbk_str)(void *ctx, int len, const APICHAR *str)
  48 {
  49     struct FUNC_NAME(_str_ctx) *out = ctx;
  50
  51     if(!out->buf)
  52         return len;
  53
  54     if(out->len < len) {
  55         memcpy(out->buf, str, out->len*sizeof(APICHAR));
  56         out->buf += out->len;
  57         out->len = 0;
  58         return -1;
  59     }
  60
  61     memcpy(out->buf, str, len*sizeof(APICHAR));
  62     out->buf += len;
  63     out->len -= len;
  64     return len;
  65 }
  66
  67 static inline const APICHAR* FUNC_NAME(pf_parse_int)(const APICHAR *fmt, int *val)
  68 {
  69     *val = 0;
  70
  71     while(isdigit(*fmt)) {
  72         *val *= 10;
  73         *val += *fmt++ - '0';
  74     }
  75
  76     return fmt;
  77 }
  78
  79 /* pf_fill: takes care of signs, alignment, zero and field padding */
  80 static inline int FUNC_NAME(pf_fill)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
  81         int len, FUNC_NAME(pf_flags) *flags, BOOL left)
  82 {
  83     int i, r = 0, written;
  84
  85     if(flags->Sign && !strchr("diaeEfFgG", flags->Format))
  86         flags->Sign = 0;
  87
  88     if(left && flags->Sign) {
  89         flags->FieldLength--;
  90         if(flags->PadZero)
  91             r = pf_puts(puts_ctx, 1, &flags->Sign);
  92     }
  93     written = r;
  94
  95     if((!left && flags->LeftAlign) || (left && !flags->LeftAlign)) {
  96         APICHAR ch;
  97
  98         if(left && flags->PadZero)
  99             ch = '0';
 100         else
 101             ch = ' ';
 102
 103         for(i=0; i<flags->FieldLength-len && r>=0; i++) {
 104             r = pf_puts(puts_ctx, 1, &ch);
 105             written += r;
 106         }
 107     }
 108
 109
 110     if(r>=0 && left && flags->Sign && !flags->PadZero) {
 111         r = pf_puts(puts_ctx, 1, &flags->Sign);
 112         written += r;
 113     }
 114
 115     return r>=0 ? written : r;
 116 }
 117
 118 static inline int FUNC_NAME(pf_output_wstr)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 119         const MSVCRT_wchar_t *str, int len, MSVCRT_pthreadlocinfo locinfo)
 120 {
 121 #ifdef PRINTF_WIDE
 122     return pf_puts(puts_ctx, len, str);
 123 #else
 124     LPSTR out;
 125     int len_a = WideCharToMultiByte(locinfo->lc_codepage, 0, str, len, NULL, 0, NULL, NULL);
 126
 127     out = HeapAlloc(GetProcessHeap(), 0, len_a);
 128     if(!out)
 129         return -1;
 130
 131     WideCharToMultiByte(locinfo->lc_codepage, 0, str, len, out, len_a, NULL, NULL);
 132     len = pf_puts(puts_ctx, len_a, out);
 133     HeapFree(GetProcessHeap(), 0, out);
 134     return len;
 135 #endif
 136 }
 137
 138 static inline int FUNC_NAME(pf_output_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 139         const char *str, int len, MSVCRT_pthreadlocinfo locinfo)
 140 {
 141 #ifdef PRINTF_WIDE
 142     LPWSTR out;
 143     int len_w = MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, NULL, 0);
 144
 145     out = HeapAlloc(GetProcessHeap(), 0, len_w*sizeof(WCHAR));
 146     if(!out)
 147         return -1;
 148
 149     MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, out, len_w);
 150     len = pf_puts(puts_ctx, len_w, out);
 151     HeapFree(GetProcessHeap(), 0, out);
 152     return len;
 153 #else
 154     return pf_puts(puts_ctx, len, str);
 155 #endif
 156 }
 157
 158 static inline int FUNC_NAME(pf_output_format_wstr)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 159         const MSVCRT_wchar_t *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
 160 {
 161     int r, ret;
 162
 163     if(len < 0)
 164         len = strlenW(str);
 165
 166     if(flags->Precision>=0 && flags->Precision<len)
 167         len = flags->Precision;
 168
 169     r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
 170     ret = r;
 171     if(r >= 0) {
 172         r = FUNC_NAME(pf_output_wstr)(pf_puts, puts_ctx, str, len, locinfo);
 173         ret += r;
 174     }
 175     if(r >= 0) {
 176         r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
 177         ret += r;
 178     }
 179
 180     return r>=0 ? ret : r;
 181 }
 182
 183 static inline int FUNC_NAME(pf_output_format_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 184         const char *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
 185 {
 186     int r, ret;
 187
 188     if(len < 0)
 189         len = strlen(str);
 190
 191     if(flags->Precision>=0 && flags->Precision<len)
 192         len = flags->Precision;
 193
 194     r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
 195     ret = r;
 196     if(r >= 0) {
 197         r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, str, len, locinfo);
 198         ret += r;
 199     }
 200     if(r >= 0) {
 201         r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
 202         ret += r;
 203     }
 204
 205     return r>=0 ? ret : r;
 206 }
 207
 208 static inline int FUNC_NAME(pf_handle_string)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 209         const void *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo, BOOL legacy_wide)
 210 {
 211     BOOL complement_is_narrow = legacy_wide ? (sizeof(APICHAR)==sizeof(MSVCRT_wchar_t)) : FALSE;
 212 #ifdef PRINTF_WIDE
 213     static const MSVCRT_wchar_t nullW[] = {'(','n','u','l','l',')',0};
 214
 215     if(!str)
 216         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, nullW, 6, flags, locinfo);
 217 #else
 218     if(!str)
 219         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, "(null)", 6, flags, locinfo);
 220 #endif
 221
 222     if(flags->WideString || flags->IntegerLength=='l')
 223         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
 224     if(flags->IntegerLength == 'h')
 225         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
 226
 227     if((flags->Format=='S' || flags->Format=='C') == complement_is_narrow)
 228         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
 229     else
 230         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
 231 }
 232
 233 static inline void FUNC_NAME(pf_rebuild_format_string)(char *p, FUNC_NAME(pf_flags) *flags)
 234 {
 235     *p++ = '%';
 236     if(flags->Alternate)
 237         *p++ = flags->Alternate;
 238     if(flags->Precision >= 0) {
 239         sprintf(p, ".%d", flags->Precision);
 240         p += strlen(p);
 241     }
 242     *p++ = flags->Format;
 243     *p++ = 0;
 244 }
 245
 246 /* pf_integer_conv:  prints x to buf, including alternate formats and
 247    additional precision digits, but not field characters or the sign */
 248 static inline void FUNC_NAME(pf_integer_conv)(APICHAR *buf, int buf_len,
 249         FUNC_NAME(pf_flags) *flags, LONGLONG x)
 250 {
 251     unsigned int base;
 252     const char *digits;
 253     int i, j, k;
 254
 255     if(flags->Format == 'o')
 256         base = 8;
 257     else if(flags->Format=='x' || flags->Format=='X')
 258         base = 16;
 259     else
 260         base = 10;
 261
 262     if(flags->Format == 'X')
 263         digits = "0123456789ABCDEFX";
 264     else
 265         digits = "0123456789abcdefx";
 266
 267     if(x<0 && (flags->Format=='d' || flags->Format=='i')) {
 268         x = -x;
 269         flags->Sign = '-';
 270     }
 271
 272     i = 0;
 273     if(x == 0) {
 274         flags->Alternate = 0;
 275         if(flags->Precision)
 276             buf[i++] = '0';
 277     } else {
 278         while(x != 0) {
 279             j = (ULONGLONG)x%base;
 280             x = (ULONGLONG)x/base;
 281             buf[i++] = digits[j];
 282         }
 283     }
 284     k = flags->Precision-i;
 285     while(k-- > 0)
 286         buf[i++] = '0';
 287     if(flags->Alternate) {
 288         if(base == 16) {
 289             buf[i++] = digits[16];
 290             buf[i++] = '0';
 291         } else if(base==8 && buf[i-1]!='0')
 292             buf[i++] = '0';
 293     }
 294
 295     /* Adjust precision so pf_fill won't truncate the number later */
 296     flags->Precision = i;
 297
 298     buf[i] = '\0';
 299     j = 0;
 300     while(--i > j) {
 301         APICHAR tmp = buf[j];
 302         buf[j] = buf[i];
 303         buf[i] = tmp;
 304         j++;
 305     }
 306 }
 307
 308 static inline void FUNC_NAME(pf_fixup_exponent)(char *buf, BOOL three_digit_exp)
 309 {
 310     char* tmp = buf;
 311
 312     while(tmp[0] && toupper(tmp[0])!='E')
 313         tmp++;
 314
 315     if(tmp[0] && (tmp[1]=='+' || tmp[1]=='-') &&
 316             isdigit(tmp[2]) && isdigit(tmp[3])) {
 317 #if _MSVCR_VER >= 140
 318         BOOL two_digit_exp = !three_digit_exp;
 319 #else
 320         BOOL two_digit_exp = (MSVCRT__get_output_format() == MSVCRT__TWO_DIGIT_EXPONENT);
 321 #endif
 322
 323         tmp += 2;
 324         if(isdigit(tmp[2])) {
 325             if(two_digit_exp && tmp[0]=='0') {
 326                 tmp[0] = tmp[1];
 327                 tmp[1] = tmp[2];
 328                 tmp[2] = tmp[3];
 329             }
 330
 331             return; /* Exponent already 3 digits */
 332         }else if(two_digit_exp) {
 333             return;
 334         }
 335
 336         tmp[3] = tmp[2];
 337         tmp[2] = tmp[1];
 338         tmp[1] = tmp[0];
 339         tmp[0] = '0';
 340     }
 341 }
 342
 343 int FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx, const APICHAR *fmt,
 344         MSVCRT__locale_t locale, DWORD options,
 345         args_clbk pf_args, void *args_ctx, __ms_va_list *valist)
 346 {
 347     MSVCRT_pthreadlocinfo locinfo;
 348     const APICHAR *q, *p = fmt;
 349     APICHAR buf[32];
 350     int written = 0, pos, i;
 351     FUNC_NAME(pf_flags) flags;
 352     BOOL positional_params = options & MSVCRT_PRINTF_POSITIONAL_PARAMS;
 353     BOOL invoke_invalid_param_handler = options & MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER;
 354 #if _MSVCR_VER >= 140
 355     BOOL legacy_wide = options & UCRTBASE_PRINTF_LEGACY_WIDE_SPECIFIERS;
 356     BOOL legacy_msvcrt_compat = options & UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY;
 357     BOOL three_digit_exp = options & UCRTBASE_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS;
 358 #else
 359     BOOL legacy_wide = TRUE, legacy_msvcrt_compat = TRUE, three_digit_exp = TRUE;
 360 #endif
 361
 362     TRACE("Format is: %s\n", FUNC_NAME(debugstr)(fmt));
 363
 364     if(!locale)
 365         locinfo = get_locinfo();
 366     else
 367         locinfo = locale->locinfo;
 368
 369     while(*p) {
 370         /* output characters before '%' */
 371         for(q=p; *q && *q!='%'; q++);
 372         if(p != q) {
 373             i = pf_puts(puts_ctx, q-p, p);
 374             if(i < 0)
 375                 return i;
 376
 377             written += i;
 378             p = q;
 379             continue;
 380         }
 381
 382         /* *p == '%' here */
 383         p++;
 384
 385         /* output a single '%' character */
 386         if(*p == '%') {
 387             i = pf_puts(puts_ctx, 1, p++);
 388             if(i < 0)
 389                 return i;
 390
 391             written += i;
 392             continue;
 393         }
 394
 395         /* check parameter position */
 396         if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &pos)) && *q=='$')
 397             p = q+1;
 398         else
 399             pos = -1;
 400
 401         /* parse the flags */
 402         memset(&flags, 0, sizeof(flags));
 403         while(*p) {
 404             if(*p=='+' || *p==' ') {
 405                 if(flags.Sign != '+')
 406                     flags.Sign = *p;
 407             } else if(*p == '-')
 408                 flags.LeftAlign = *p;
 409             else if(*p == '0')
 410                 flags.PadZero = *p;
 411             else if(*p == '#')
 412                 flags.Alternate = *p;
 413             else
 414                 break;
 415
 416             p++;
 417         }
 418
 419         /* parse the width */
 420         if(*p == '*') {
 421             p++;
 422             if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
 423                 p = q+1;
 424             else
 425                 i = -1;
 426
 427             flags.FieldLength = pf_args(args_ctx, i, VT_INT, valist).get_int;
 428             if(flags.FieldLength < 0) {
 429                 flags.LeftAlign = '-';
 430                 flags.FieldLength = -flags.FieldLength;
 431             }
 432         } else while(isdigit(*p)) {
 433             flags.FieldLength *= 10;
 434             flags.FieldLength += *p++ - '0';
 435         }
 436
 437         /* parse the precision */
 438         flags.Precision = -1;
 439         if(*p == '.') {
 440             flags.Precision = 0;
 441             p++;
 442             if(*p == '*') {
 443                 p++;
 444                 if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
 445                     p = q+1;
 446                 else
 447                     i = -1;
 448
 449                 flags.Precision = pf_args(args_ctx, i, VT_INT, valist).get_int;
 450             } else while(isdigit(*p)) {
 451                 flags.Precision *= 10;
 452                 flags.Precision += *p++ - '0';
 453             }
 454         }
 455
 456         /* parse argument size modifier */
 457         while(*p) {
 458             if(*p=='l' && *(p+1)=='l') {
 459                 flags.IntegerDouble++;
 460                 p += 2;
 461             } else if(*p=='h' || *p=='l' || *p=='L') {
 462                 flags.IntegerLength = *p;
 463                 p++;
 464             } else if(*p == 'I') {
 465                 if(*(p+1)=='6' && *(p+2)=='4') {
 466                     flags.IntegerDouble++;
 467                     p += 3;
 468                 } else if(*(p+1)=='3' && *(p+2)=='2')
 469                     p += 3;
 470                 else if(isdigit(*(p+1)) || !*(p+1))
 471                     break;
 472                 else
 473                     flags.IntegerNative = *p++;
 474             } else if(*p == 'w')
 475                 flags.WideString = *p++;
 476             else if((*p == 'F' || *p == 'N') && legacy_msvcrt_compat)
 477                 p++; /* ignore */
 478             else
 479                 break;
 480         }
 481
 482         flags.Format = *p;
 483
 484         if(flags.Format == 's' || flags.Format == 'S') {
 485             i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx,
 486                     pf_args(args_ctx, pos, VT_PTR, valist).get_ptr,
 487                     -1,  &flags, locinfo, legacy_wide);
 488         } else if(flags.Format == 'c' || flags.Format == 'C') {
 489             int ch = pf_args(args_ctx, pos, VT_INT, valist).get_int;
 490
 491             if((ch&0xff) != ch)
 492                 FIXME("multibyte characters printing not supported\n");
 493
 494             i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx, &ch, 1, &flags, locinfo, legacy_wide);
 495         } else if(flags.Format == 'p') {
 496             flags.Format = 'X';
 497             flags.PadZero = '0';
 498             i = flags.Precision;
 499             flags.Precision = 2*sizeof(void*);
 500             FUNC_NAME(pf_integer_conv)(buf, sizeof(buf)/sizeof(APICHAR), &flags,
 501                                        (ULONG_PTR)pf_args(args_ctx, pos, VT_PTR, valist).get_ptr);
 502             flags.PadZero = 0;
 503             flags.Precision = i;
 504
 505 #ifdef PRINTF_WIDE
 506             i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
 507 #else
 508             i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
 509 #endif
 510         } else if(flags.Format == 'n') {
 511             int *used;
 512
 513             if(!n_format_enabled) {
 514                 MSVCRT_INVALID_PMT("\'n\' format specifier disabled", MSVCRT_EINVAL);
 515                 return -1;
 516             }
 517
 518             used = pf_args(args_ctx, pos, VT_PTR, valist).get_ptr;
 519             *used = written;
 520             i = 0;
 521         } else if(flags.Format && strchr("diouxX", flags.Format)) {
 522             APICHAR *tmp = buf;
 523             int max_len;
 524
 525             /* 0 padding is added after '0x' if Alternate flag is in use */
 526             if((flags.Format=='x' || flags.Format=='X') && flags.PadZero && flags.Alternate
 527                     && !flags.LeftAlign && flags.Precision<flags.FieldLength-2)
 528                 flags.Precision = flags.FieldLength - 2;
 529
 530             max_len = (flags.FieldLength>flags.Precision ? flags.FieldLength : flags.Precision) + 10;
 531             if(max_len > sizeof(buf)/sizeof(APICHAR))
 532                 tmp = HeapAlloc(GetProcessHeap(), 0, max_len);
 533             if(!tmp)
 534                 return -1;
 535
 536             if(flags.IntegerDouble || (flags.IntegerNative && sizeof(void*) == 8))
 537                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, pf_args(args_ctx, pos,
 538                             VT_I8, valist).get_longlong);
 539             else if(flags.Format=='d' || flags.Format=='i')
 540                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
 541                         pf_args(args_ctx, pos, VT_INT, valist).get_int :
 542                         (short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
 543             else
 544                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
 545                         (unsigned)pf_args(args_ctx, pos, VT_INT, valist).get_int :
 546                         (unsigned short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
 547
 548 #ifdef PRINTF_WIDE
 549             i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
 550 #else
 551             i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
 552 #endif
 553             if(tmp != buf)
 554                 HeapFree(GetProcessHeap(), 0, tmp);
 555         } else if(flags.Format && strchr("aeEfFgG", flags.Format)) {
 556             char float_fmt[20], buf_a[32], *tmp = buf_a, *decimal_point;
 557             int len = flags.Precision + 10;
 558             double val = pf_args(args_ctx, pos, VT_R8, valist).get_double;
 559             int r;
 560             BOOL inf = FALSE, nan = FALSE, ind = FALSE;
 561
 562             if(isinf(val))
 563                 inf = TRUE;
 564             else if(isnan(val)) {
 565                 if(!signbit(val))
 566                     nan = TRUE;
 567                 else
 568                     ind = TRUE;
 569             }
 570
 571             if(inf || nan || ind) {
 572                 if(ind || val<0)
 573                     flags.Sign = '-';
 574
 575                 if(flags.Format=='g' || flags.Format=='G')
 576                     val = (nan ? 1.12345 : 1.1234); /* fraction will be overwritten with #INF, #IND or #QNAN string */
 577                 else
 578                     val = 1;
 579
 580                 if(flags.Format=='a') {
 581                     if(flags.Precision==-1)
 582                         flags.Precision = 6; /* strlen("#INF00") */
 583                 }
 584             }
 585
 586             if(flags.Format=='f' || flags.Format=='F') {
 587                 if(val>-10.0 && val<10.0)
 588                     i = 1;
 589                 else
 590                     i = 1 + log10(val<0 ? -val : val);
 591                 /* Default precision is 6, additional space for sign, separator and nullbyte is required */
 592                 i += (flags.Precision==-1 ? 6 : flags.Precision) + 3;
 593
 594                 if(i > len)
 595                     len = i;
 596             }
 597
 598             if(len > sizeof(buf_a))
 599                 tmp = HeapAlloc(GetProcessHeap(), 0, len);
 600             if(!tmp)
 601                 return -1;
 602
 603             FUNC_NAME(pf_rebuild_format_string)(float_fmt, &flags);
 604             if(val < 0) {
 605                 flags.Sign = '-';
 606                 val = -val;
 607             }
 608
 609             if((inf || nan || ind) && !legacy_msvcrt_compat) {
 610                 static const char inf_str[] = "inf";
 611                 static const char ind_str[] = "nan(ind)";
 612                 static const char nan_str[] = "nan";
 613                 if(inf)
 614                     sprintf(tmp, inf_str);
 615                 else if(ind)
 616                     sprintf(tmp, ind_str);
 617                 else
 618                     sprintf(tmp, nan_str);
 619                 if (strchr("EFG", flags.Format))
 620                     for(i=0; tmp[i]; i++)
 621                         tmp[i] = toupper(tmp[i]);
 622             } else {
 623                 sprintf(tmp, float_fmt, val);
 624                 if(toupper(flags.Format)=='E' || toupper(flags.Format)=='G')
 625                     FUNC_NAME(pf_fixup_exponent)(tmp, three_digit_exp);
 626             }
 627
 628             decimal_point = strchr(tmp, '.');
 629             if(decimal_point) {
 630                 *decimal_point = *locinfo->lconv->decimal_point;
 631
 632                 if(inf || nan || ind) {
 633                     static const char inf_str[] = "#INF";
 634                     static const char ind_str[] = "#IND";
 635                     static const char nan_str[] = "#QNAN";
 636
 637                     const char *str;
 638                     int size;
 639
 640                     if(inf) {
 641                         str = inf_str;
 642                         size = sizeof(inf_str);
 643                     }else if(ind) {
 644                         str = ind_str;
 645                         size = sizeof(ind_str);
 646                     }else {
 647                         str = nan_str;
 648                         size = sizeof(nan_str);
 649                     }
 650
 651                     for(i=1; i<size; i++) {
 652                         if(decimal_point[i]<'0' || decimal_point[i]>'9')
 653                             break;
 654
 655                         decimal_point[i] = str[i-1];
 656                     }
 657
 658                     if(i!=size && i!=1)
 659                         decimal_point[i-1]++;
 660                 }
 661             }
 662
 663             len = strlen(tmp);
 664             i = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, TRUE);
 665             if(i < 0)
 666                 return i;
 667             r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, tmp, len, locinfo);
 668             if(r < 0)
 669                 return r;
 670             i += r;
 671             if(tmp != buf_a)
 672                 HeapFree(GetProcessHeap(), 0, tmp);
 673             r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, FALSE);
 674             if(r < 0)
 675                 return r;
 676             i += r;
 677         } else {
 678             if(invoke_invalid_param_handler) {
 679                 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 680                 *MSVCRT__errno() = MSVCRT_EINVAL;
 681                 return -1;
 682             }
 683
 684             continue;
 685         }
 686
 687         if(i < 0)
 688             return i;
 689         written += i;
 690         p++;
 691     }
 692
 693     return written;
 694 }
 695
 696 #ifndef PRINTF_WIDE
 697 enum types_clbk_flags {
 698     TYPE_CLBK_VA_LIST = 1,
 699     TYPE_CLBK_POSITIONAL = 2,
 700     TYPE_CLBK_ERROR_POS = 4,
 701     TYPE_CLBK_ERROR_TYPE = 8
 702 };
 703
 704 /* This functions stores types of arguments. It uses args[0] internally */
 705 static printf_arg arg_clbk_type(void *ctx, int pos, int type, __ms_va_list *valist)
 706 {
 707     static const printf_arg ret;
 708     printf_arg *args = ctx;
 709
 710     if(pos == -1) {
 711         args[0].get_int |= TYPE_CLBK_VA_LIST;
 712         return ret;
 713     } else
 714         args[0].get_int |= TYPE_CLBK_POSITIONAL;
 715
 716     if(pos<1 || pos>MSVCRT__ARGMAX)
 717         args[0].get_int |= TYPE_CLBK_ERROR_POS;
 718     else if(args[pos].get_int && args[pos].get_int!=type)
 719         args[0].get_int |= TYPE_CLBK_ERROR_TYPE;
 720     else
 721         args[pos].get_int = type;
 722
 723     return ret;
 724 }
 725 #endif
 726
 727 static int FUNC_NAME(create_positional_ctx)(void *args_ctx, const APICHAR *format, __ms_va_list valist)
 728 {
 729     struct FUNC_NAME(_str_ctx) puts_ctx = {INT_MAX, NULL};
 730     printf_arg *args = args_ctx;
 731     int i, j;
 732
 733     i = FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk_str), &puts_ctx, format, NULL,
 734             MSVCRT_PRINTF_POSITIONAL_PARAMS, arg_clbk_type, args_ctx, NULL);
 735     if(i < 0)
 736         return i;
 737
 738     if(args[0].get_int==0 || args[0].get_int==TYPE_CLBK_VA_LIST)
 739         return 0;
 740     if(args[0].get_int != TYPE_CLBK_POSITIONAL)
 741         return -1;
 742
 743     for(i=MSVCRT__ARGMAX; i>0; i--)
 744         if(args[i].get_int)
 745             break;
 746
 747     for(j=1; j<=i; j++) {
 748         switch(args[j].get_int) {
 749         case VT_I8:
 750             args[j].get_longlong = va_arg(valist, LONGLONG);
 751             break;
 752         case VT_INT:
 753             args[j].get_int = va_arg(valist, int);
 754             break;
 755         case VT_R8:
 756             args[j].get_double = va_arg(valist, double);
 757             break;
 758         case VT_PTR:
 759             args[j].get_ptr = va_arg(valist, void*);
 760             break;
 761         default:
 762             return -1;
 763         }
 764     }
 765
 766     return j;
 767 }
 768
 769 #undef APICHAR
 770 #undef CONVCHAR
 771 #undef FUNC_NAME