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, NaturalString;
  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     BOOL def_char;
 126     int len_a = WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 127             str, len, NULL, 0, NULL, &def_char);
 128     if(def_char)
 129         return 0;
 130
 131     out = HeapAlloc(GetProcessHeap(), 0, len_a);
 132     if(!out)
 133         return -1;
 134
 135     WideCharToMultiByte(locinfo->lc_codepage, WC_NO_BEST_FIT_CHARS,
 136             str, len, out, len_a, NULL, NULL);
 137     len = pf_puts(puts_ctx, len_a, out);
 138     HeapFree(GetProcessHeap(), 0, out);
 139     return len;
 140 #endif
 141 }
 142
 143 static inline int FUNC_NAME(pf_output_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 144         const char *str, int len, MSVCRT_pthreadlocinfo locinfo)
 145 {
 146 #ifdef PRINTF_WIDE
 147     LPWSTR out;
 148     int len_w = MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, NULL, 0);
 149
 150     out = HeapAlloc(GetProcessHeap(), 0, len_w*sizeof(WCHAR));
 151     if(!out)
 152         return -1;
 153
 154     MultiByteToWideChar(locinfo->lc_codepage, 0, str, len, out, len_w);
 155     len = pf_puts(puts_ctx, len_w, out);
 156     HeapFree(GetProcessHeap(), 0, out);
 157     return len;
 158 #else
 159     return pf_puts(puts_ctx, len, str);
 160 #endif
 161 }
 162
 163 static inline int FUNC_NAME(pf_output_format_wstr)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 164         const MSVCRT_wchar_t *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
 165 {
 166     int r, ret;
 167
 168     if(len < 0) {
 169         /* Do not search past the length specified by the precision. */
 170         if(flags->Precision>=0)
 171             len = MSVCRT_wcsnlen(str, flags->Precision);
 172         else
 173             len = strlenW(str);
 174     }
 175
 176     if(flags->Precision>=0 && flags->Precision<len)
 177         len = flags->Precision;
 178
 179     r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
 180     ret = r;
 181     if(r >= 0) {
 182         r = FUNC_NAME(pf_output_wstr)(pf_puts, puts_ctx, str, len, locinfo);
 183         ret += r;
 184     }
 185     if(r >= 0) {
 186         r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
 187         ret += r;
 188     }
 189
 190     return r>=0 ? ret : r;
 191 }
 192
 193 static inline int FUNC_NAME(pf_output_format_str)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 194         const char *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo)
 195 {
 196     int r, ret;
 197
 198     if(len < 0) {
 199         /* Do not search past the length specified by the precision. */
 200         if(flags->Precision>=0)
 201             len = MSVCRT_strnlen(str, flags->Precision);
 202         else
 203             len = strlen(str);
 204     }
 205
 206     if(flags->Precision>=0 && flags->Precision<len)
 207         len = flags->Precision;
 208
 209     r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, TRUE);
 210     ret = r;
 211     if(r >= 0) {
 212         r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, str, len, locinfo);
 213         ret += r;
 214     }
 215     if(r >= 0) {
 216         r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, flags, FALSE);
 217         ret += r;
 218     }
 219
 220     return r>=0 ? ret : r;
 221 }
 222
 223 static inline int FUNC_NAME(pf_handle_string)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx,
 224         const void *str, int len, FUNC_NAME(pf_flags) *flags, MSVCRT_pthreadlocinfo locinfo, BOOL legacy_wide)
 225 {
 226     BOOL api_is_wide = sizeof(APICHAR) == sizeof(MSVCRT_wchar_t);
 227     BOOL complement_is_narrow = legacy_wide ? api_is_wide : FALSE;
 228 #ifdef PRINTF_WIDE
 229     static const MSVCRT_wchar_t nullW[] = {'(','n','u','l','l',')',0};
 230
 231     if(!str)
 232         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, nullW, 6, flags, locinfo);
 233 #else
 234     if(!str)
 235         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, "(null)", 6, flags, locinfo);
 236 #endif
 237
 238     if((flags->NaturalString && api_is_wide) || flags->WideString || flags->IntegerLength=='l')
 239         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
 240     if((flags->NaturalString && !api_is_wide) || flags->IntegerLength == 'h')
 241         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
 242
 243     if((flags->Format=='S' || flags->Format=='C') == complement_is_narrow)
 244         return FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, str, len, flags, locinfo);
 245     else
 246         return FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, str, len, flags, locinfo);
 247 }
 248
 249 static inline void FUNC_NAME(pf_rebuild_format_string)(char *p, FUNC_NAME(pf_flags) *flags)
 250 {
 251     *p++ = '%';
 252     if(flags->Alternate)
 253         *p++ = flags->Alternate;
 254     if(flags->Precision >= 0) {
 255         p += sprintf(p, ".%d", flags->Precision);
 256     }
 257     *p++ = flags->Format;
 258     *p++ = 0;
 259 }
 260
 261 /* pf_integer_conv:  prints x to buf, including alternate formats and
 262    additional precision digits, but not field characters or the sign */
 263 static inline void FUNC_NAME(pf_integer_conv)(APICHAR *buf, int buf_len,
 264         FUNC_NAME(pf_flags) *flags, LONGLONG x)
 265 {
 266     unsigned int base;
 267     const char *digits;
 268     int i, j, k;
 269
 270     if(flags->Format == 'o')
 271         base = 8;
 272     else if(flags->Format=='x' || flags->Format=='X')
 273         base = 16;
 274     else
 275         base = 10;
 276
 277     if(flags->Format == 'X')
 278         digits = "0123456789ABCDEFX";
 279     else
 280         digits = "0123456789abcdefx";
 281
 282     if(x<0 && (flags->Format=='d' || flags->Format=='i')) {
 283         x = -x;
 284         flags->Sign = '-';
 285     }
 286
 287     i = 0;
 288     if(x == 0) {
 289         flags->Alternate = 0;
 290         if(flags->Precision)
 291             buf[i++] = '0';
 292     } else {
 293         while(x != 0) {
 294             j = (ULONGLONG)x%base;
 295             x = (ULONGLONG)x/base;
 296             buf[i++] = digits[j];
 297         }
 298     }
 299     k = flags->Precision-i;
 300     while(k-- > 0)
 301         buf[i++] = '0';
 302     if(flags->Alternate) {
 303         if(base == 16) {
 304             buf[i++] = digits[16];
 305             buf[i++] = '0';
 306         } else if(base==8 && buf[i-1]!='0')
 307             buf[i++] = '0';
 308     }
 309
 310     /* Adjust precision so pf_fill won't truncate the number later */
 311     flags->Precision = i;
 312
 313     buf[i] = '\0';
 314     j = 0;
 315     while(--i > j) {
 316         APICHAR tmp = buf[j];
 317         buf[j] = buf[i];
 318         buf[i] = tmp;
 319         j++;
 320     }
 321 }
 322
 323 static inline void FUNC_NAME(pf_fixup_exponent)(char *buf, BOOL three_digit_exp)
 324 {
 325     char* tmp = buf;
 326
 327     while(tmp[0] && toupper(tmp[0])!='E')
 328         tmp++;
 329
 330     if(tmp[0] && (tmp[1]=='+' || tmp[1]=='-') &&
 331             isdigit(tmp[2]) && isdigit(tmp[3])) {
 332 #if _MSVCR_VER >= 140
 333         BOOL two_digit_exp = !three_digit_exp;
 334 #else
 335         BOOL two_digit_exp = (MSVCRT__get_output_format() == MSVCRT__TWO_DIGIT_EXPONENT);
 336 #endif
 337
 338         tmp += 2;
 339         if(isdigit(tmp[2])) {
 340             if(two_digit_exp && tmp[0]=='0') {
 341                 tmp[0] = tmp[1];
 342                 tmp[1] = tmp[2];
 343                 tmp[2] = tmp[3];
 344             }
 345
 346             return; /* Exponent already 3 digits */
 347         }else if(two_digit_exp) {
 348             return;
 349         }
 350
 351         tmp[3] = tmp[2];
 352         tmp[2] = tmp[1];
 353         tmp[1] = tmp[0];
 354         tmp[0] = '0';
 355     }
 356 }
 357
 358 int FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx, const APICHAR *fmt,
 359         MSVCRT__locale_t locale, DWORD options,
 360         args_clbk pf_args, void *args_ctx, __ms_va_list *valist)
 361 {
 362     MSVCRT_pthreadlocinfo locinfo;
 363     const APICHAR *q, *p = fmt;
 364     APICHAR buf[32];
 365     int written = 0, pos, i;
 366     FUNC_NAME(pf_flags) flags;
 367     BOOL positional_params = options & MSVCRT_PRINTF_POSITIONAL_PARAMS;
 368     BOOL invoke_invalid_param_handler = options & MSVCRT_PRINTF_INVOKE_INVALID_PARAM_HANDLER;
 369 #if _MSVCR_VER >= 140
 370     BOOL legacy_wide = options & UCRTBASE_PRINTF_LEGACY_WIDE_SPECIFIERS;
 371     BOOL legacy_msvcrt_compat = options & UCRTBASE_PRINTF_LEGACY_MSVCRT_COMPATIBILITY;
 372     BOOL three_digit_exp = options & UCRTBASE_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS;
 373 #else
 374     BOOL legacy_wide = TRUE, legacy_msvcrt_compat = TRUE, three_digit_exp = TRUE;
 375 #endif
 376
 377     TRACE("Format is: %s\n", FUNC_NAME(debugstr)(fmt));
 378
 379     if(!locale)
 380         locinfo = get_locinfo();
 381     else
 382         locinfo = locale->locinfo;
 383
 384     while(*p) {
 385         /* output characters before '%' */
 386         for(q=p; *q && *q!='%'; q++);
 387         if(p != q) {
 388             i = pf_puts(puts_ctx, q-p, p);
 389             if(i < 0)
 390                 return i;
 391
 392             written += i;
 393             p = q;
 394             continue;
 395         }
 396
 397         /* *p == '%' here */
 398         p++;
 399
 400         /* output a single '%' character */
 401         if(*p == '%') {
 402             i = pf_puts(puts_ctx, 1, p++);
 403             if(i < 0)
 404                 return i;
 405
 406             written += i;
 407             continue;
 408         }
 409
 410         /* check parameter position */
 411         if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &pos)) && *q=='$')
 412             p = q+1;
 413         else
 414             pos = -1;
 415
 416         /* parse the flags */
 417         memset(&flags, 0, sizeof(flags));
 418         while(*p) {
 419             if(*p=='+' || *p==' ') {
 420                 if(flags.Sign != '+')
 421                     flags.Sign = *p;
 422             } else if(*p == '-')
 423                 flags.LeftAlign = *p;
 424             else if(*p == '0')
 425                 flags.PadZero = *p;
 426             else if(*p == '#')
 427                 flags.Alternate = *p;
 428             else
 429                 break;
 430
 431             p++;
 432         }
 433
 434         /* parse the width */
 435         if(*p == '*') {
 436             p++;
 437             if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
 438                 p = q+1;
 439             else
 440                 i = -1;
 441
 442             flags.FieldLength = pf_args(args_ctx, i, VT_INT, valist).get_int;
 443             if(flags.FieldLength < 0) {
 444                 flags.LeftAlign = '-';
 445                 flags.FieldLength = -flags.FieldLength;
 446             }
 447         } else while(isdigit(*p)) {
 448             flags.FieldLength *= 10;
 449             flags.FieldLength += *p++ - '0';
 450         }
 451
 452         /* parse the precision */
 453         flags.Precision = -1;
 454         if(*p == '.') {
 455             flags.Precision = 0;
 456             p++;
 457             if(*p == '*') {
 458                 p++;
 459                 if(positional_params && (q = FUNC_NAME(pf_parse_int)(p, &i)) && *q=='$')
 460                     p = q+1;
 461                 else
 462                     i = -1;
 463
 464                 flags.Precision = pf_args(args_ctx, i, VT_INT, valist).get_int;
 465             } else while(isdigit(*p)) {
 466                 flags.Precision *= 10;
 467                 flags.Precision += *p++ - '0';
 468             }
 469         }
 470
 471         /* parse argument size modifier */
 472         while(*p) {
 473             if(*p=='l' && *(p+1)=='l') {
 474                 flags.IntegerDouble++;
 475                 p += 2;
 476             } else if(*p=='h' || *p=='l' || *p=='L') {
 477                 flags.IntegerLength = *p;
 478                 p++;
 479             } else if(*p == 'I') {
 480                 if(*(p+1)=='6' && *(p+2)=='4') {
 481                     flags.IntegerDouble++;
 482                     p += 3;
 483                 } else if(*(p+1)=='3' && *(p+2)=='2')
 484                     p += 3;
 485                 else if(isdigit(*(p+1)) || !*(p+1))
 486                     break;
 487                 else
 488                     flags.IntegerNative = *p++;
 489             } else if(*p == 'w')
 490                 flags.WideString = *p++;
 491 #if _MSVCR_VER >= 140
 492             else if(*p == 'z')
 493                 flags.IntegerNative = *p++;
 494             else if(*p == 'T')
 495                 flags.NaturalString = *p++;
 496 #endif
 497             else if((*p == 'F' || *p == 'N') && legacy_msvcrt_compat)
 498                 p++; /* ignore */
 499             else
 500                 break;
 501         }
 502
 503         flags.Format = *p;
 504
 505         if(flags.Format == 's' || flags.Format == 'S') {
 506             i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx,
 507                     pf_args(args_ctx, pos, VT_PTR, valist).get_ptr,
 508                     -1,  &flags, locinfo, legacy_wide);
 509         } else if(flags.Format == 'c' || flags.Format == 'C') {
 510             int ch = pf_args(args_ctx, pos, VT_INT, valist).get_int;
 511
 512             i = FUNC_NAME(pf_handle_string)(pf_puts, puts_ctx, &ch, 1, &flags, locinfo, legacy_wide);
 513         } else if(flags.Format == 'p') {
 514             flags.Format = 'X';
 515             flags.PadZero = '0';
 516             i = flags.Precision;
 517             flags.Precision = 2*sizeof(void*);
 518             FUNC_NAME(pf_integer_conv)(buf, sizeof(buf)/sizeof(APICHAR), &flags,
 519                                        (ULONG_PTR)pf_args(args_ctx, pos, VT_PTR, valist).get_ptr);
 520             flags.PadZero = 0;
 521             flags.Precision = i;
 522
 523 #ifdef PRINTF_WIDE
 524             i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
 525 #else
 526             i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, buf, -1, &flags, locinfo);
 527 #endif
 528         } else if(flags.Format == 'n') {
 529             int *used;
 530
 531             if(!n_format_enabled) {
 532                 MSVCRT_INVALID_PMT("\'n\' format specifier disabled", MSVCRT_EINVAL);
 533                 return -1;
 534             }
 535
 536             used = pf_args(args_ctx, pos, VT_PTR, valist).get_ptr;
 537             *used = written;
 538             i = 0;
 539         } else if(flags.Format && strchr("diouxX", flags.Format)) {
 540             APICHAR *tmp = buf;
 541             int max_len;
 542
 543             /* 0 padding is added after '0x' if Alternate flag is in use */
 544             if((flags.Format=='x' || flags.Format=='X') && flags.PadZero && flags.Alternate
 545                     && !flags.LeftAlign && flags.Precision<flags.FieldLength-2)
 546                 flags.Precision = flags.FieldLength - 2;
 547
 548             max_len = (flags.FieldLength>flags.Precision ? flags.FieldLength : flags.Precision) + 10;
 549             if(max_len > sizeof(buf)/sizeof(APICHAR))
 550                 tmp = HeapAlloc(GetProcessHeap(), 0, max_len);
 551             if(!tmp)
 552                 return -1;
 553
 554             if(flags.IntegerDouble || (flags.IntegerNative && sizeof(void*) == 8))
 555                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, pf_args(args_ctx, pos,
 556                             VT_I8, valist).get_longlong);
 557             else if(flags.Format=='d' || flags.Format=='i')
 558                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
 559                         pf_args(args_ctx, pos, VT_INT, valist).get_int :
 560                         (short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
 561             else
 562                 FUNC_NAME(pf_integer_conv)(tmp, max_len, &flags, flags.IntegerLength!='h' ?
 563                         (unsigned)pf_args(args_ctx, pos, VT_INT, valist).get_int :
 564                         (unsigned short)pf_args(args_ctx, pos, VT_INT, valist).get_int);
 565
 566 #ifdef PRINTF_WIDE
 567             i = FUNC_NAME(pf_output_format_wstr)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
 568 #else
 569             i = FUNC_NAME(pf_output_format_str)(pf_puts, puts_ctx, tmp, -1, &flags, locinfo);
 570 #endif
 571             if(tmp != buf)
 572                 HeapFree(GetProcessHeap(), 0, tmp);
 573         } else if(flags.Format && strchr("aeEfFgG", flags.Format)) {
 574             char float_fmt[20], buf_a[32], *tmp = buf_a, *decimal_point;
 575             int len = flags.Precision + 10;
 576             double val = pf_args(args_ctx, pos, VT_R8, valist).get_double;
 577             int r;
 578             BOOL inf = FALSE, nan = FALSE, ind = FALSE;
 579
 580             if(isinf(val))
 581                 inf = TRUE;
 582             else if(isnan(val)) {
 583                 if(!signbit(val))
 584                     nan = TRUE;
 585                 else
 586                     ind = TRUE;
 587             }
 588
 589             if(inf || nan || ind) {
 590                 if(ind || val<0)
 591                     flags.Sign = '-';
 592
 593                 if(flags.Format=='g' || flags.Format=='G')
 594                     val = (nan ? 1.12345 : 1.1234); /* fraction will be overwritten with #INF, #IND or #QNAN string */
 595                 else
 596                     val = 1;
 597
 598                 if(flags.Format=='a') {
 599                     if(flags.Precision==-1)
 600                         flags.Precision = 6; /* strlen("#INF00") */
 601                 }
 602             }
 603
 604             if(flags.Format=='f' || flags.Format=='F') {
 605                 if(val>-10.0 && val<10.0)
 606                     i = 1;
 607                 else
 608                     i = 1 + log10(val<0 ? -val : val);
 609                 /* Default precision is 6, additional space for sign, separator and nullbyte is required */
 610                 i += (flags.Precision==-1 ? 6 : flags.Precision) + 3;
 611
 612                 if(i > len)
 613                     len = i;
 614             }
 615
 616             if(len > sizeof(buf_a))
 617                 tmp = HeapAlloc(GetProcessHeap(), 0, len);
 618             if(!tmp)
 619                 return -1;
 620
 621             FUNC_NAME(pf_rebuild_format_string)(float_fmt, &flags);
 622             if(val < 0) {
 623                 flags.Sign = '-';
 624                 val = -val;
 625             }
 626
 627             if((inf || nan || ind) && !legacy_msvcrt_compat) {
 628                 static const char inf_str[] = "inf";
 629                 static const char ind_str[] = "nan(ind)";
 630                 static const char nan_str[] = "nan";
 631                 if(inf)
 632                     sprintf(tmp, inf_str);
 633                 else if(ind)
 634                     sprintf(tmp, ind_str);
 635                 else
 636                     sprintf(tmp, nan_str);
 637                 if (strchr("EFG", flags.Format))
 638                     for(i=0; tmp[i]; i++)
 639                         tmp[i] = toupper(tmp[i]);
 640             } else {
 641                 sprintf(tmp, float_fmt, val);
 642                 if(toupper(flags.Format)=='E' || toupper(flags.Format)=='G')
 643                     FUNC_NAME(pf_fixup_exponent)(tmp, three_digit_exp);
 644             }
 645
 646             decimal_point = strchr(tmp, '.');
 647             if(decimal_point) {
 648                 *decimal_point = *locinfo->lconv->decimal_point;
 649
 650                 if(inf || nan || ind) {
 651                     static const char inf_str[] = "#INF";
 652                     static const char ind_str[] = "#IND";
 653                     static const char nan_str[] = "#QNAN";
 654
 655                     const char *str;
 656                     int size;
 657
 658                     if(inf) {
 659                         str = inf_str;
 660                         size = sizeof(inf_str);
 661                     }else if(ind) {
 662                         str = ind_str;
 663                         size = sizeof(ind_str);
 664                     }else {
 665                         str = nan_str;
 666                         size = sizeof(nan_str);
 667                     }
 668
 669                     for(i=1; i<size; i++) {
 670                         if(decimal_point[i]<'0' || decimal_point[i]>'9')
 671                             break;
 672
 673                         decimal_point[i] = str[i-1];
 674                     }
 675
 676                     if(i!=size && i!=1)
 677                         decimal_point[i-1]++;
 678                 }
 679             }
 680
 681             len = strlen(tmp);
 682             i = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, TRUE);
 683             if(i < 0)
 684                 return i;
 685             r = FUNC_NAME(pf_output_str)(pf_puts, puts_ctx, tmp, len, locinfo);
 686             if(r < 0)
 687                 return r;
 688             i += r;
 689             if(tmp != buf_a)
 690                 HeapFree(GetProcessHeap(), 0, tmp);
 691             r = FUNC_NAME(pf_fill)(pf_puts, puts_ctx, len, &flags, FALSE);
 692             if(r < 0)
 693                 return r;
 694             i += r;
 695         } else {
 696             if(invoke_invalid_param_handler) {
 697                 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 698                 *MSVCRT__errno() = MSVCRT_EINVAL;
 699                 return -1;
 700             }
 701
 702             continue;
 703         }
 704
 705         if(i < 0)
 706             return i;
 707         written += i;
 708         p++;
 709     }
 710
 711     return written;
 712 }
 713
 714 #ifndef PRINTF_WIDE
 715 enum types_clbk_flags {
 716     TYPE_CLBK_VA_LIST = 1,
 717     TYPE_CLBK_POSITIONAL = 2,
 718     TYPE_CLBK_ERROR_POS = 4,
 719     TYPE_CLBK_ERROR_TYPE = 8
 720 };
 721
 722 /* This functions stores types of arguments. It uses args[0] internally */
 723 static printf_arg arg_clbk_type(void *ctx, int pos, int type, __ms_va_list *valist)
 724 {
 725     static const printf_arg ret;
 726     printf_arg *args = ctx;
 727
 728     if(pos == -1) {
 729         args[0].get_int |= TYPE_CLBK_VA_LIST;
 730         return ret;
 731     } else
 732         args[0].get_int |= TYPE_CLBK_POSITIONAL;
 733
 734     if(pos<1 || pos>MSVCRT__ARGMAX)
 735         args[0].get_int |= TYPE_CLBK_ERROR_POS;
 736     else if(args[pos].get_int && args[pos].get_int!=type)
 737         args[0].get_int |= TYPE_CLBK_ERROR_TYPE;
 738     else
 739         args[pos].get_int = type;
 740
 741     return ret;
 742 }
 743 #endif
 744
 745 static int FUNC_NAME(create_positional_ctx)(void *args_ctx, const APICHAR *format, __ms_va_list valist)
 746 {
 747     struct FUNC_NAME(_str_ctx) puts_ctx = {INT_MAX, NULL};
 748     printf_arg *args = args_ctx;
 749     int i, j;
 750
 751     i = FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk_str), &puts_ctx, format, NULL,
 752             MSVCRT_PRINTF_POSITIONAL_PARAMS, arg_clbk_type, args_ctx, NULL);
 753     if(i < 0)
 754         return i;
 755
 756     if(args[0].get_int==0 || args[0].get_int==TYPE_CLBK_VA_LIST)
 757         return 0;
 758     if(args[0].get_int != TYPE_CLBK_POSITIONAL)
 759         return -1;
 760
 761     for(i=MSVCRT__ARGMAX; i>0; i--)
 762         if(args[i].get_int)
 763             break;
 764
 765     for(j=1; j<=i; j++) {
 766         switch(args[j].get_int) {
 767         case VT_I8:
 768             args[j].get_longlong = va_arg(valist, LONGLONG);
 769             break;
 770         case VT_INT:
 771             args[j].get_int = va_arg(valist, int);
 772             break;
 773         case VT_R8:
 774             args[j].get_double = va_arg(valist, double);
 775             break;
 776         case VT_PTR:
 777             args[j].get_ptr = va_arg(valist, void*);
 778             break;
 779         default:
 780             return -1;
 781         }
 782     }
 783
 784     return j;
 785 }
 786
 787 #undef APICHAR
 788 #undef CONVCHAR
 789 #undef FUNC_NAME