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