dlls/msvcrt/string.c

   1 /*
   2  * MSVCRT string functions
   3  *
   4  * Copyright 1996,1998 Marcus Meissner
   5  * Copyright 1996 Jukka Iivonen
   6  * Copyright 1997,2000 Uwe Bonnes
   7  * Copyright 2000 Jon Griffiths
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #define _ISOC99_SOURCE
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <math.h>
  31 #include <limits.h>
  32 #include <errno.h>
  33 #include "msvcrt.h"
  34 #include "winnls.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  38
  39 /*********************************************************************
  40  *              _mbsdup (MSVCRT.@)
  41  *              _strdup (MSVCRT.@)
  42  */
  43 char* CDECL MSVCRT__strdup(const char* str)
  44 {
  45     if(str)
  46     {
  47       char * ret = MSVCRT_malloc(strlen(str)+1);
  48       if (ret) strcpy( ret, str );
  49       return ret;
  50     }
  51     else return 0;
  52 }
  53
  54 /*********************************************************************
  55  *              _strlwr_s_l (MSVCRT.@)
  56  */
  57 int CDECL _strlwr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
  58 {
  59     char *ptr = str;
  60
  61     if (!str || !len)
  62     {
  63         *MSVCRT__errno() = MSVCRT_EINVAL;
  64         return MSVCRT_EINVAL;
  65     }
  66
  67     while (len && *ptr)
  68     {
  69         len--;
  70         ptr++;
  71     }
  72
  73     if (!len)
  74     {
  75         str[0] = '\0';
  76         *MSVCRT__errno() = MSVCRT_EINVAL;
  77         return MSVCRT_EINVAL;
  78     }
  79
  80     while (*str)
  81     {
  82         *str = MSVCRT__tolower_l((unsigned char)*str, locale);
  83         str++;
  84     }
  85
  86     return 0;
  87 }
  88
  89 /*********************************************************************
  90  *              _strlwr_s (MSVCRT.@)
  91  */
  92 int CDECL _strlwr_s(char *str, MSVCRT_size_t len)
  93 {
  94     return _strlwr_s_l(str, len, NULL);
  95 }
  96
  97 /*********************************************************************
  98  *              _strlwr_l (MSVCRT.@)
  99  */
 100 char* CDECL _strlwr_l(char *str, MSVCRT__locale_t locale)
 101 {
 102     _strlwr_s_l(str, -1, locale);
 103     return str;
 104 }
 105
 106 /*********************************************************************
 107  *              _strlwr (MSVCRT.@)
 108  */
 109 char* CDECL MSVCRT__strlwr(char *str)
 110 {
 111     _strlwr_s_l(str, -1, NULL);
 112     return str;
 113 }
 114
 115 /*********************************************************************
 116  *              _strupr_s_l (MSVCRT.@)
 117  */
 118 int CDECL _strupr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
 119 {
 120     char *ptr = str;
 121
 122     if (!str || !len)
 123     {
 124         *MSVCRT__errno() = MSVCRT_EINVAL;
 125         return MSVCRT_EINVAL;
 126     }
 127
 128     while (len && *ptr)
 129     {
 130         len--;
 131         ptr++;
 132     }
 133
 134     if (!len)
 135     {
 136         str[0] = '\0';
 137         *MSVCRT__errno() = MSVCRT_EINVAL;
 138         return MSVCRT_EINVAL;
 139     }
 140
 141     while (*str)
 142     {
 143         *str = MSVCRT__toupper_l((unsigned char)*str, locale);
 144         str++;
 145     }
 146
 147     return 0;
 148 }
 149
 150 /*********************************************************************
 151  *              _strupr_s (MSVCRT.@)
 152  */
 153 int CDECL _strupr_s(char *str, MSVCRT_size_t len)
 154 {
 155     return _strupr_s_l(str, len, NULL);
 156 }
 157
 158 /*********************************************************************
 159  *              _strupr_l (MSVCRT.@)
 160  */
 161 char* CDECL MSVCRT__strupr_l(char *str, MSVCRT__locale_t locale)
 162 {
 163     _strupr_s_l(str, -1, locale);
 164     return str;
 165 }
 166
 167 /*********************************************************************
 168  *              _strupr (MSVCRT.@)
 169  */
 170 char* CDECL MSVCRT__strupr(char *str)
 171 {
 172     _strupr_s_l(str, -1, NULL);
 173     return str;
 174 }
 175
 176 /*********************************************************************
 177  *              _strnset (MSVCRT.@)
 178  */
 179 char* CDECL MSVCRT__strnset(char* str, int value, MSVCRT_size_t len)
 180 {
 181   if (len > 0 && str)
 182     while (*str && len--)
 183       *str++ = value;
 184   return str;
 185 }
 186
 187 /*********************************************************************
 188  *              _strrev (MSVCRT.@)
 189  */
 190 char* CDECL MSVCRT__strrev(char* str)
 191 {
 192   char * p1;
 193   char * p2;
 194
 195   if (str && *str)
 196     for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
 197     {
 198       *p1 ^= *p2;
 199       *p2 ^= *p1;
 200       *p1 ^= *p2;
 201     }
 202
 203   return str;
 204 }
 205
 206 /*********************************************************************
 207  *              _strset (MSVCRT.@)
 208  */
 209 char* CDECL _strset(char* str, int value)
 210 {
 211   char *ptr = str;
 212   while (*ptr)
 213     *ptr++ = value;
 214
 215   return str;
 216 }
 217
 218 /*********************************************************************
 219  *              strtok  (MSVCRT.@)
 220  */
 221 char * CDECL MSVCRT_strtok( char *str, const char *delim )
 222 {
 223     thread_data_t *data = msvcrt_get_thread_data();
 224     char *ret;
 225
 226     if (!str)
 227         if (!(str = data->strtok_next)) return NULL;
 228
 229     while (*str && strchr( delim, *str )) str++;
 230     if (!*str) return NULL;
 231     ret = str++;
 232     while (*str && !strchr( delim, *str )) str++;
 233     if (*str) *str++ = 0;
 234     data->strtok_next = str;
 235     return ret;
 236 }
 237
 238 /*********************************************************************
 239  *              strtok_s  (MSVCRT.@)
 240  */
 241 char * CDECL MSVCRT_strtok_s(char *str, const char *delim, char **ctx)
 242 {
 243     if (!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
 244     if (!MSVCRT_CHECK_PMT(ctx != NULL)) return NULL;
 245     if (!MSVCRT_CHECK_PMT(str != NULL || *ctx != NULL)) return NULL;
 246
 247     if(!str)
 248         str = *ctx;
 249
 250     while(*str && strchr(delim, *str))
 251         str++;
 252     if(!*str)
 253         return NULL;
 254
 255     *ctx = str+1;
 256     while(**ctx && !strchr(delim, **ctx))
 257         (*ctx)++;
 258     if(**ctx)
 259         *(*ctx)++ = 0;
 260
 261     return str;
 262 }
 263
 264 /*********************************************************************
 265  *              _swab (MSVCRT.@)
 266  */
 267 void CDECL MSVCRT__swab(char* src, char* dst, int len)
 268 {
 269   if (len > 1)
 270   {
 271     len = (unsigned)len >> 1;
 272
 273     while (len--) {
 274       char s0 = src[0];
 275       char s1 = src[1];
 276       *dst++ = s1;
 277       *dst++ = s0;
 278       src = src + 2;
 279     }
 280   }
 281 }
 282
 283 static double strtod_helper(const char *str, char **end, MSVCRT__locale_t locale, int *err)
 284 {
 285     MSVCRT_pthreadlocinfo locinfo;
 286     unsigned __int64 d=0, hlp;
 287     unsigned fpcontrol;
 288     int exp=0, sign=1;
 289     const char *p;
 290     double ret;
 291     long double lret=1, expcnt = 10;
 292     BOOL found_digit = FALSE, negexp;
 293
 294     if(err)
 295         *err = 0;
 296     else
 297         if(!MSVCRT_CHECK_PMT(str != NULL)) return 0;
 298
 299     if(!locale)
 300         locinfo = get_locinfo();
 301     else
 302         locinfo = locale->locinfo;
 303
 304     /* FIXME: use *_l functions */
 305     p = str;
 306     while(isspace(*p))
 307         p++;
 308
 309     if(*p == '-') {
 310         sign = -1;
 311         p++;
 312     } else  if(*p == '+')
 313         p++;
 314
 315     while(isdigit(*p)) {
 316         found_digit = TRUE;
 317         hlp = d*10+*(p++)-'0';
 318         if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
 319             exp++;
 320             break;
 321         } else
 322             d = hlp;
 323     }
 324     while(isdigit(*p)) {
 325         exp++;
 326         p++;
 327     }
 328
 329     if(*p == *locinfo->lconv->decimal_point)
 330         p++;
 331
 332     while(isdigit(*p)) {
 333         found_digit = TRUE;
 334         hlp = d*10+*(p++)-'0';
 335         if(d>MSVCRT_UI64_MAX/10 || hlp<d)
 336             break;
 337
 338         d = hlp;
 339         exp--;
 340     }
 341     while(isdigit(*p))
 342         p++;
 343
 344     if(!found_digit) {
 345         if(end)
 346             *end = (char*)str;
 347         return 0.0;
 348     }
 349
 350     if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
 351         int e=0, s=1;
 352
 353         p++;
 354         if(*p == '-') {
 355             s = -1;
 356             p++;
 357         } else if(*p == '+')
 358             p++;
 359
 360         if(isdigit(*p)) {
 361             while(isdigit(*p)) {
 362                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 363                     e = INT_MAX;
 364                 p++;
 365             }
 366             e *= s;
 367
 368             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 369             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 370             else exp += e;
 371         } else {
 372             if(*p=='-' || *p=='+')
 373                 p--;
 374             p--;
 375         }
 376     }
 377
 378     fpcontrol = _control87(0, 0);
 379     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 380             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 381
 382     negexp = (exp < 0);
 383     if(negexp)
 384         exp = -exp;
 385     while(exp) {
 386         if(exp & 1)
 387             lret *= expcnt;
 388         exp /= 2;
 389         expcnt = expcnt*expcnt;
 390     }
 391     ret = (long double)sign * (negexp ? d/lret : d*lret);
 392
 393     _control87(fpcontrol, 0xffffffff);
 394
 395     if((d && ret==0.0) || isinf(ret)) {
 396         if(err)
 397             *err = MSVCRT_ERANGE;
 398         else
 399             *MSVCRT__errno() = MSVCRT_ERANGE;
 400     }
 401
 402     if(end)
 403         *end = (char*)p;
 404
 405     return ret;
 406 }
 407
 408 /*********************************************************************
 409  *              strtod_l  (MSVCRT.@)
 410  */
 411 double CDECL MSVCRT_strtod_l(const char *str, char **end, MSVCRT__locale_t locale)
 412 {
 413     return strtod_helper(str, end, locale, NULL);
 414 }
 415
 416 /*********************************************************************
 417  *              strtod  (MSVCRT.@)
 418  */
 419 double CDECL MSVCRT_strtod( const char *str, char **end )
 420 {
 421     return MSVCRT_strtod_l( str, end, NULL );
 422 }
 423
 424 /*********************************************************************
 425  *              atof  (MSVCRT.@)
 426  */
 427 double CDECL MSVCRT_atof( const char *str )
 428 {
 429     return MSVCRT_strtod_l(str, NULL, NULL);
 430 }
 431
 432 /*********************************************************************
 433  *              _atof_l  (MSVCRT.@)
 434  */
 435 double CDECL MSVCRT__atof_l( const char *str, MSVCRT__locale_t locale)
 436 {
 437     return MSVCRT_strtod_l(str, NULL, locale);
 438 }
 439
 440 /*********************************************************************
 441  *              _atoflt_l  (MSVCRT.@)
 442  */
 443 int CDECL MSVCRT__atoflt_l( MSVCRT__CRT_FLOAT *value, char *str, MSVCRT__locale_t locale)
 444 {
 445     double d;
 446     int err;
 447
 448     d = strtod_helper(str, NULL, locale, &err);
 449     value->f = d;
 450     if(isinf(value->f))
 451         return MSVCRT__OVERFLOW;
 452     if((d!=0 || err) && value->f>-MSVCRT_FLT_MIN && value->f<MSVCRT_FLT_MIN)
 453         return MSVCRT__UNDERFLOW;
 454     return 0;
 455 }
 456
 457 /*********************************************************************
 458  *              _atodbl_l  (MSVCRT.@)
 459  */
 460 int CDECL MSVCRT__atodbl_l(MSVCRT__CRT_DOUBLE *value, char *str, MSVCRT__locale_t locale)
 461 {
 462     int err;
 463
 464     value->x = strtod_helper(str, NULL, locale, &err);
 465     if(isinf(value->x))
 466         return MSVCRT__OVERFLOW;
 467     if((value->x!=0 || err) && value->x>-MSVCRT_DBL_MIN && value->x<MSVCRT_DBL_MIN)
 468         return MSVCRT__UNDERFLOW;
 469     return 0;
 470 }
 471
 472 /*********************************************************************
 473  *              _atodbl  (MSVCRT.@)
 474  */
 475 int CDECL MSVCRT__atodbl(MSVCRT__CRT_DOUBLE *value, char *str)
 476 {
 477     return MSVCRT__atodbl_l(value, str, NULL);
 478 }
 479
 480 /*********************************************************************
 481  *              _strcoll_l (MSVCRT.@)
 482  */
 483 int CDECL MSVCRT_strcoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
 484 {
 485     MSVCRT_pthreadlocinfo locinfo;
 486
 487     if(!locale)
 488         locinfo = get_locinfo();
 489     else
 490         locinfo = locale->locinfo;
 491
 492     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, -1, str2, -1)-CSTR_EQUAL;
 493 }
 494
 495 /*********************************************************************
 496  *              strcoll (MSVCRT.@)
 497  */
 498 int CDECL MSVCRT_strcoll( const char* str1, const char* str2 )
 499 {
 500     return MSVCRT_strcoll_l(str1, str2, NULL);
 501 }
 502
 503 /*********************************************************************
 504  *              _stricoll_l (MSVCRT.@)
 505  */
 506 int CDECL MSVCRT__stricoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
 507 {
 508     MSVCRT_pthreadlocinfo locinfo;
 509
 510     if(!locale)
 511         locinfo = get_locinfo();
 512     else
 513         locinfo = locale->locinfo;
 514
 515     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 516             str1, -1, str2, -1)-CSTR_EQUAL;
 517 }
 518
 519 /*********************************************************************
 520  *              _stricoll (MSVCRT.@)
 521  */
 522 int CDECL MSVCRT__stricoll( const char* str1, const char* str2 )
 523 {
 524     return MSVCRT__stricoll_l(str1, str2, NULL);
 525 }
 526
 527 /*********************************************************************
 528  *              _strncoll_l (MSVCRT.@)
 529  */
 530 int CDECL MSVCRT_strncoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
 531 {
 532     MSVCRT_pthreadlocinfo locinfo;
 533
 534     if(!locale)
 535         locinfo = get_locinfo();
 536     else
 537         locinfo = locale->locinfo;
 538
 539     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, count, str2, count)-CSTR_EQUAL;
 540 }
 541
 542 /*********************************************************************
 543  *              strncoll (MSVCRT.@)
 544  */
 545 int CDECL MSVCRT_strncoll( const char* str1, const char* str2, MSVCRT_size_t count )
 546 {
 547     return MSVCRT_strncoll_l(str1, str2, count, NULL);
 548 }
 549
 550 /*********************************************************************
 551  *              _strnicoll_l (MSVCRT.@)
 552  */
 553 int CDECL MSVCRT__strnicoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
 554 {
 555     MSVCRT_pthreadlocinfo locinfo;
 556
 557     if(!locale)
 558         locinfo = get_locinfo();
 559     else
 560         locinfo = locale->locinfo;
 561
 562     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 563             str1, count, str2, count)-CSTR_EQUAL;
 564 }
 565
 566 /*********************************************************************
 567  *              _strnicoll (MSVCRT.@)
 568  */
 569 int CDECL MSVCRT__strnicoll( const char* str1, const char* str2, MSVCRT_size_t count )
 570 {
 571     return MSVCRT__strnicoll_l(str1, str2, count, NULL);
 572 }
 573
 574 /*********************************************************************
 575  *                  strncpy (MSVCRT.@)
 576  */
 577 char* __cdecl MSVCRT_strncpy(char *dst, const char *src, MSVCRT_size_t len)
 578 {
 579     MSVCRT_size_t i;
 580
 581     for(i=0; i<len; i++)
 582         if((dst[i] = src[i]) == '\0') break;
 583
 584     return dst;
 585 }
 586
 587 /*********************************************************************
 588  *      strcpy_s (MSVCRT.@)
 589  */
 590 int CDECL MSVCRT_strcpy_s( char* dst, MSVCRT_size_t elem, const char* src )
 591 {
 592     MSVCRT_size_t i;
 593     if(!elem) return MSVCRT_EINVAL;
 594     if(!dst) return MSVCRT_EINVAL;
 595     if(!src)
 596     {
 597         dst[0] = '\0';
 598         return MSVCRT_EINVAL;
 599     }
 600
 601     for(i = 0; i < elem; i++)
 602     {
 603         if((dst[i] = src[i]) == '\0') return 0;
 604     }
 605     dst[0] = '\0';
 606     return MSVCRT_ERANGE;
 607 }
 608
 609 /*********************************************************************
 610  *      strcat_s (MSVCRT.@)
 611  */
 612 int CDECL MSVCRT_strcat_s( char* dst, MSVCRT_size_t elem, const char* src )
 613 {
 614     MSVCRT_size_t i, j;
 615     if(!dst) return MSVCRT_EINVAL;
 616     if(elem == 0) return MSVCRT_EINVAL;
 617     if(!src)
 618     {
 619         dst[0] = '\0';
 620         return MSVCRT_EINVAL;
 621     }
 622
 623     for(i = 0; i < elem; i++)
 624     {
 625         if(dst[i] == '\0')
 626         {
 627             for(j = 0; (j + i) < elem; j++)
 628             {
 629                 if((dst[j + i] = src[j]) == '\0') return 0;
 630             }
 631         }
 632     }
 633     /* Set the first element to 0, not the first element after the skipped part */
 634     dst[0] = '\0';
 635     return MSVCRT_ERANGE;
 636 }
 637
 638 /*********************************************************************
 639  *      strncat_s (MSVCRT.@)
 640  */
 641 int CDECL MSVCRT_strncat_s( char* dst, MSVCRT_size_t elem, const char* src, MSVCRT_size_t count )
 642 {
 643     MSVCRT_size_t i, j;
 644
 645     if (!MSVCRT_CHECK_PMT(dst != 0)) return MSVCRT_EINVAL;
 646     if (!MSVCRT_CHECK_PMT(elem != 0)) return MSVCRT_EINVAL;
 647     if (!MSVCRT_CHECK_PMT(src != 0))
 648     {
 649         dst[0] = '\0';
 650         return MSVCRT_EINVAL;
 651     }
 652
 653     for(i = 0; i < elem; i++)
 654     {
 655         if(dst[i] == '\0')
 656         {
 657             for(j = 0; (j + i) < elem; j++)
 658             {
 659                 if(count == MSVCRT__TRUNCATE && j + i == elem - 1)
 660                 {
 661                     dst[j + i] = '\0';
 662                     return MSVCRT_STRUNCATE;
 663                 }
 664                 if(j == count || (dst[j + i] = src[j]) == '\0')
 665                 {
 666                     dst[j + i] = '\0';
 667                     return 0;
 668                 }
 669             }
 670         }
 671     }
 672     /* Set the first element to 0, not the first element after the skipped part */
 673     dst[0] = '\0';
 674     return MSVCRT_ERANGE;
 675 }
 676
 677 /*********************************************************************
 678  *              strxfrm (MSVCRT.@)
 679  */
 680 MSVCRT_size_t CDECL MSVCRT_strxfrm( char *dest, const char *src, MSVCRT_size_t len )
 681 {
 682     /* FIXME: handle Windows locale */
 683     return strxfrm( dest, src, len );
 684 }
 685
 686 /********************************************************************
 687  *              _atoldbl (MSVCRT.@)
 688  */
 689 int CDECL MSVCRT__atoldbl(MSVCRT__LDOUBLE *value, const char *str)
 690 {
 691   /* FIXME needs error checking for huge/small values */
 692 #ifdef HAVE_STRTOLD
 693   long double ld;
 694   TRACE("str %s value %p\n",str,value);
 695   ld = strtold(str,0);
 696   memcpy(value, &ld, 10);
 697 #else
 698   FIXME("stub, str %s value %p\n",str,value);
 699 #endif
 700   return 0;
 701 }
 702
 703 /********************************************************************
 704  *              __STRINGTOLD (MSVCRT.@)
 705  */
 706 int CDECL __STRINGTOLD( MSVCRT__LDOUBLE *value, char **endptr, const char *str, int flags )
 707 {
 708 #ifdef HAVE_STRTOLD
 709     long double ld;
 710     FIXME("%p %p %s %x partial stub\n", value, endptr, str, flags );
 711     ld = strtold(str,0);
 712     memcpy(value, &ld, 10);
 713 #else
 714     FIXME("%p %p %s %x stub\n", value, endptr, str, flags );
 715 #endif
 716     return 0;
 717 }
 718
 719 /******************************************************************
 720  *              strtol (MSVCRT.@)
 721  */
 722 MSVCRT_long CDECL MSVCRT_strtol(const char* nptr, char** end, int base)
 723 {
 724     /* wrapper to forward libc error code to msvcrt's error codes */
 725     long ret;
 726
 727     errno = 0;
 728     ret = strtol(nptr, end, base);
 729     switch (errno)
 730     {
 731     case ERANGE:        *MSVCRT__errno() = MSVCRT_ERANGE;       break;
 732     case EINVAL:        *MSVCRT__errno() = MSVCRT_EINVAL;       break;
 733     default:
 734         /* cope with the fact that we may use 64bit long integers on libc
 735          * while msvcrt always uses 32bit long integers
 736          */
 737         if (ret > MSVCRT_LONG_MAX)
 738         {
 739             ret = MSVCRT_LONG_MAX;
 740             *MSVCRT__errno() = MSVCRT_ERANGE;
 741         }
 742         else if (ret < -MSVCRT_LONG_MAX - 1)
 743         {
 744             ret = -MSVCRT_LONG_MAX - 1;
 745             *MSVCRT__errno() = MSVCRT_ERANGE;
 746         }
 747         break;
 748     }
 749
 750     return ret;
 751 }
 752
 753 /******************************************************************
 754  *              strtoul (MSVCRT.@)
 755  */
 756 MSVCRT_ulong CDECL MSVCRT_strtoul(const char* nptr, char** end, int base)
 757 {
 758     /* wrapper to forward libc error code to msvcrt's error codes */
 759     unsigned long ret;
 760
 761     errno = 0;
 762     ret = strtoul(nptr, end, base);
 763     switch (errno)
 764     {
 765     case ERANGE:        *MSVCRT__errno() = MSVCRT_ERANGE;       break;
 766     case EINVAL:        *MSVCRT__errno() = MSVCRT_EINVAL;       break;
 767     default:
 768         /* cope with the fact that we may use 64bit long integers on libc
 769          * while msvcrt always uses 32bit long integers
 770          */
 771         if (ret > MSVCRT_ULONG_MAX)
 772         {
 773             ret = MSVCRT_ULONG_MAX;
 774             *MSVCRT__errno() = MSVCRT_ERANGE;
 775         }
 776         break;
 777     }
 778
 779     return ret;
 780 }
 781
 782 /******************************************************************
 783  *              strnlen (MSVCRT.@)
 784  */
 785 MSVCRT_size_t CDECL MSVCRT_strnlen(const char *s, MSVCRT_size_t maxlen)
 786 {
 787     MSVCRT_size_t i;
 788
 789     for(i=0; i<maxlen; i++)
 790         if(!s[i]) break;
 791
 792     return i;
 793 }
 794
 795 /*********************************************************************
 796  *  _strtoi64_l (MSVCRT.@)
 797  *
 798  * FIXME: locale parameter is ignored
 799  */
 800 __int64 CDECL MSVCRT_strtoi64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
 801 {
 802     BOOL negative = FALSE;
 803     __int64 ret = 0;
 804
 805     TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
 806
 807     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
 808     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
 809     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
 810
 811     while(isspace(*nptr)) nptr++;
 812
 813     if(*nptr == '-') {
 814         negative = TRUE;
 815         nptr++;
 816     } else if(*nptr == '+')
 817         nptr++;
 818
 819     if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
 820         base = 16;
 821         nptr += 2;
 822     }
 823
 824     if(base == 0) {
 825         if(*nptr=='0')
 826             base = 8;
 827         else
 828             base = 10;
 829     }
 830
 831     while(*nptr) {
 832         char cur = tolower(*nptr);
 833         int v;
 834
 835         if(isdigit(cur)) {
 836             if(cur >= '0'+base)
 837                 break;
 838             v = cur-'0';
 839         } else {
 840             if(cur<'a' || cur>='a'+base-10)
 841                 break;
 842             v = cur-'a'+10;
 843         }
 844
 845         if(negative)
 846             v = -v;
 847
 848         nptr++;
 849
 850         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
 851             ret = MSVCRT_I64_MAX;
 852             *MSVCRT__errno() = MSVCRT_ERANGE;
 853         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
 854             ret = MSVCRT_I64_MIN;
 855             *MSVCRT__errno() = MSVCRT_ERANGE;
 856         } else
 857             ret = ret*base + v;
 858     }
 859
 860     if(endptr)
 861         *endptr = (char*)nptr;
 862
 863     return ret;
 864 }
 865
 866 /*********************************************************************
 867  *  _strtoi64 (MSVCRT.@)
 868  */
 869 __int64 CDECL MSVCRT_strtoi64(const char *nptr, char **endptr, int base)
 870 {
 871     return MSVCRT_strtoi64_l(nptr, endptr, base, NULL);
 872 }
 873
 874 /*********************************************************************
 875  *  _atoi_l (MSVCRT.@)
 876  */
 877 int __cdecl MSVCRT__atoi_l(const char *str, MSVCRT__locale_t locale)
 878 {
 879     __int64 ret = MSVCRT_strtoi64_l(str, NULL, 10, locale);
 880
 881     if(ret > INT_MAX) {
 882         ret = INT_MAX;
 883         *MSVCRT__errno() = MSVCRT_ERANGE;
 884     } else if(ret < INT_MIN) {
 885         ret = INT_MIN;
 886         *MSVCRT__errno() = MSVCRT_ERANGE;
 887     }
 888     return ret;
 889 }
 890
 891 /*********************************************************************
 892  *  atoi (MSVCRT.@)
 893  */
 894 int __cdecl MSVCRT_atoi(const char *str)
 895 {
 896     return MSVCRT__atoi_l(str, NULL);
 897 }
 898
 899 /*********************************************************************
 900  *  _strtoui64_l (MSVCRT.@)
 901  *
 902  * FIXME: locale parameter is ignored
 903  */
 904 unsigned __int64 CDECL MSVCRT_strtoui64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
 905 {
 906     BOOL negative = FALSE;
 907     unsigned __int64 ret = 0;
 908
 909     TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
 910
 911     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
 912     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
 913     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
 914
 915     while(isspace(*nptr)) nptr++;
 916
 917     if(*nptr == '-') {
 918         negative = TRUE;
 919         nptr++;
 920     } else if(*nptr == '+')
 921         nptr++;
 922
 923     if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
 924         base = 16;
 925         nptr += 2;
 926     }
 927
 928     if(base == 0) {
 929         if(*nptr=='0')
 930             base = 8;
 931         else
 932             base = 10;
 933     }
 934
 935     while(*nptr) {
 936         char cur = tolower(*nptr);
 937         int v;
 938
 939         if(isdigit(cur)) {
 940             if(cur >= '0'+base)
 941                 break;
 942             v = *nptr-'0';
 943         } else {
 944             if(cur<'a' || cur>='a'+base-10)
 945                 break;
 946             v = cur-'a'+10;
 947         }
 948
 949         nptr++;
 950
 951         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
 952             ret = MSVCRT_UI64_MAX;
 953             *MSVCRT__errno() = MSVCRT_ERANGE;
 954         } else
 955             ret = ret*base + v;
 956     }
 957
 958     if(endptr)
 959         *endptr = (char*)nptr;
 960
 961     return negative ? -ret : ret;
 962 }
 963
 964 /*********************************************************************
 965  *  _strtoui64 (MSVCRT.@)
 966  */
 967 unsigned __int64 CDECL MSVCRT_strtoui64(const char *nptr, char **endptr, int base)
 968 {
 969     return MSVCRT_strtoui64_l(nptr, endptr, base, NULL);
 970 }
 971
 972 /*********************************************************************
 973  *  _ltoa_s (MSVCRT.@)
 974  */
 975 int CDECL _ltoa_s(MSVCRT_long value, char *str, MSVCRT_size_t size, int radix)
 976 {
 977     MSVCRT_ulong val;
 978     unsigned int digit;
 979     int is_negative;
 980     char buffer[33], *pos;
 981     size_t len;
 982
 983     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
 984     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
 985     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
 986     {
 987         str[0] = '\0';
 988         return MSVCRT_EINVAL;
 989     }
 990
 991     if (value < 0 && radix == 10)
 992     {
 993         is_negative = 1;
 994         val = -value;
 995     }
 996     else
 997     {
 998         is_negative = 0;
 999         val = value;
1000     }
1001
1002     pos = buffer + 32;
1003     *pos = '\0';
1004
1005     do
1006     {
1007         digit = val % radix;
1008         val /= radix;
1009
1010         if (digit < 10)
1011             *--pos = '0' + digit;
1012         else
1013             *--pos = 'a' + digit - 10;
1014     }
1015     while (val != 0);
1016
1017     if (is_negative)
1018         *--pos = '-';
1019
1020     len = buffer + 33 - pos;
1021     if (len > size)
1022     {
1023         size_t i;
1024         char *p = str;
1025
1026         /* Copy the temporary buffer backwards up to the available number of
1027          * characters. Don't copy the negative sign if present. */
1028
1029         if (is_negative)
1030         {
1031             p++;
1032             size--;
1033         }
1034
1035         for (pos = buffer + 31, i = 0; i < size; i++)
1036             *p++ = *pos--;
1037
1038         str[0] = '\0';
1039         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1040         return MSVCRT_ERANGE;
1041     }
1042
1043     memcpy(str, pos, len);
1044     return 0;
1045 }
1046
1047 /*********************************************************************
1048  *  _ltow_s (MSVCRT.@)
1049  */
1050 int CDECL _ltow_s(MSVCRT_long value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1051 {
1052     MSVCRT_ulong val;
1053     unsigned int digit;
1054     int is_negative;
1055     MSVCRT_wchar_t buffer[33], *pos;
1056     size_t len;
1057
1058     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1059     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1060     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1061     {
1062         str[0] = '\0';
1063         return MSVCRT_EINVAL;
1064     }
1065
1066     if (value < 0 && radix == 10)
1067     {
1068         is_negative = 1;
1069         val = -value;
1070     }
1071     else
1072     {
1073         is_negative = 0;
1074         val = value;
1075     }
1076
1077     pos = buffer + 32;
1078     *pos = '\0';
1079
1080     do
1081     {
1082         digit = val % radix;
1083         val /= radix;
1084
1085         if (digit < 10)
1086             *--pos = '0' + digit;
1087         else
1088             *--pos = 'a' + digit - 10;
1089     }
1090     while (val != 0);
1091
1092     if (is_negative)
1093         *--pos = '-';
1094
1095     len = buffer + 33 - pos;
1096     if (len > size)
1097     {
1098         size_t i;
1099         MSVCRT_wchar_t *p = str;
1100
1101         /* Copy the temporary buffer backwards up to the available number of
1102          * characters. Don't copy the negative sign if present. */
1103
1104         if (is_negative)
1105         {
1106             p++;
1107             size--;
1108         }
1109
1110         for (pos = buffer + 31, i = 0; i < size; i++)
1111             *p++ = *pos--;
1112
1113         str[0] = '\0';
1114         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1115         return MSVCRT_ERANGE;
1116     }
1117
1118     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1119     return 0;
1120 }
1121
1122 /*********************************************************************
1123  *  _itoa_s (MSVCRT.@)
1124  */
1125 int CDECL _itoa_s(int value, char *str, MSVCRT_size_t size, int radix)
1126 {
1127     return _ltoa_s(value, str, size, radix);
1128 }
1129
1130 /*********************************************************************
1131  *  _itow_s (MSVCRT.@)
1132  */
1133 int CDECL _itow_s(int value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1134 {
1135     return _ltow_s(value, str, size, radix);
1136 }
1137
1138 /*********************************************************************
1139  *  _ui64toa_s (MSVCRT.@)
1140  */
1141 int CDECL MSVCRT__ui64toa_s(unsigned __int64 value, char *str,
1142         MSVCRT_size_t size, int radix)
1143 {
1144     char buffer[65], *pos;
1145     int digit;
1146
1147     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1148     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1149     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1150     {
1151         str[0] = '\0';
1152         return MSVCRT_EINVAL;
1153     }
1154
1155     pos = buffer+64;
1156     *pos = '\0';
1157
1158     do {
1159         digit = value%radix;
1160         value /= radix;
1161
1162         if(digit < 10)
1163             *--pos = '0'+digit;
1164         else
1165             *--pos = 'a'+digit-10;
1166     }while(value != 0);
1167
1168     if(buffer-pos+65 > size) {
1169         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1170         return MSVCRT_EINVAL;
1171     }
1172
1173     memcpy(str, pos, buffer-pos+65);
1174     return 0;
1175 }
1176
1177 /*********************************************************************
1178  *      _ui64tow_s  (MSVCRT.@)
1179  */
1180 int CDECL MSVCRT__ui64tow_s( unsigned __int64 value, MSVCRT_wchar_t *str,
1181                              MSVCRT_size_t size, int radix )
1182 {
1183     MSVCRT_wchar_t buffer[65], *pos;
1184     int digit;
1185
1186     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1187     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1188     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1189     {
1190         str[0] = '\0';
1191         return MSVCRT_EINVAL;
1192     }
1193
1194     pos = &buffer[64];
1195     *pos = '\0';
1196
1197     do {
1198         digit = value % radix;
1199         value = value / radix;
1200         if (digit < 10)
1201             *--pos = '0' + digit;
1202         else
1203             *--pos = 'a' + digit - 10;
1204     } while (value != 0);
1205
1206     if(buffer-pos+65 > size) {
1207         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1208         return MSVCRT_EINVAL;
1209     }
1210
1211     memcpy(str, pos, (buffer-pos+65)*sizeof(MSVCRT_wchar_t));
1212     return 0;
1213 }
1214
1215 /*********************************************************************
1216  *  _ultoa_s (MSVCRT.@)
1217  */
1218 int CDECL _ultoa_s(MSVCRT_ulong value, char *str, MSVCRT_size_t size, int radix)
1219 {
1220     MSVCRT_ulong digit;
1221     char buffer[33], *pos;
1222     size_t len;
1223
1224     if (!str || !size || radix < 2 || radix > 36)
1225     {
1226         if (str && size)
1227             str[0] = '\0';
1228
1229         *MSVCRT__errno() = MSVCRT_EINVAL;
1230         return MSVCRT_EINVAL;
1231     }
1232
1233     pos = buffer + 32;
1234     *pos = '\0';
1235
1236     do
1237     {
1238         digit = value % radix;
1239         value /= radix;
1240
1241         if (digit < 10)
1242             *--pos = '0' + digit;
1243         else
1244             *--pos = 'a' + digit - 10;
1245     }
1246     while (value != 0);
1247
1248     len = buffer + 33 - pos;
1249     if (len > size)
1250     {
1251         size_t i;
1252         char *p = str;
1253
1254         /* Copy the temporary buffer backwards up to the available number of
1255          * characters. */
1256
1257         for (pos = buffer + 31, i = 0; i < size; i++)
1258             *p++ = *pos--;
1259
1260         str[0] = '\0';
1261         *MSVCRT__errno() = MSVCRT_ERANGE;
1262         return MSVCRT_ERANGE;
1263     }
1264
1265     memcpy(str, pos, len);
1266     return 0;
1267 }
1268
1269 /*********************************************************************
1270  *  _ultow_s (MSVCRT.@)
1271  */
1272 int CDECL _ultow_s(MSVCRT_ulong value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1273 {
1274     MSVCRT_ulong digit;
1275     WCHAR buffer[33], *pos;
1276     size_t len;
1277
1278     if (!str || !size || radix < 2 || radix > 36)
1279     {
1280         if (str && size)
1281             str[0] = '\0';
1282
1283         *MSVCRT__errno() = MSVCRT_EINVAL;
1284         return MSVCRT_EINVAL;
1285     }
1286
1287     pos = buffer + 32;
1288     *pos = '\0';
1289
1290     do
1291     {
1292         digit = value % radix;
1293         value /= radix;
1294
1295         if (digit < 10)
1296             *--pos = '0' + digit;
1297         else
1298             *--pos = 'a' + digit - 10;
1299     }
1300     while (value != 0);
1301
1302     len = buffer + 33 - pos;
1303     if (len > size)
1304     {
1305         size_t i;
1306         WCHAR *p = str;
1307
1308         /* Copy the temporary buffer backwards up to the available number of
1309          * characters. */
1310
1311         for (pos = buffer + 31, i = 0; i < size; i++)
1312             *p++ = *pos--;
1313
1314         str[0] = '\0';
1315         *MSVCRT__errno() = MSVCRT_ERANGE;
1316         return MSVCRT_ERANGE;
1317     }
1318
1319     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1320     return 0;
1321 }
1322
1323 /*********************************************************************
1324  *  _i64toa_s (MSVCRT.@)
1325  */
1326 int CDECL _i64toa_s(__int64 value, char *str, MSVCRT_size_t size, int radix)
1327 {
1328     unsigned __int64 val;
1329     unsigned int digit;
1330     int is_negative;
1331     char buffer[65], *pos;
1332     size_t len;
1333
1334     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1335     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1336     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1337     {
1338         str[0] = '\0';
1339         return MSVCRT_EINVAL;
1340     }
1341
1342     if (value < 0 && radix == 10)
1343     {
1344         is_negative = 1;
1345         val = -value;
1346     }
1347     else
1348     {
1349         is_negative = 0;
1350         val = value;
1351     }
1352
1353     pos = buffer + 64;
1354     *pos = '\0';
1355
1356     do
1357     {
1358         digit = val % radix;
1359         val /= radix;
1360
1361         if (digit < 10)
1362             *--pos = '0' + digit;
1363         else
1364             *--pos = 'a' + digit - 10;
1365     }
1366     while (val != 0);
1367
1368     if (is_negative)
1369         *--pos = '-';
1370
1371     len = buffer + 65 - pos;
1372     if (len > size)
1373     {
1374         size_t i;
1375         char *p = str;
1376
1377         /* Copy the temporary buffer backwards up to the available number of
1378          * characters. Don't copy the negative sign if present. */
1379
1380         if (is_negative)
1381         {
1382             p++;
1383             size--;
1384         }
1385
1386         for (pos = buffer + 63, i = 0; i < size; i++)
1387             *p++ = *pos--;
1388
1389         str[0] = '\0';
1390         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1391         return MSVCRT_ERANGE;
1392     }
1393
1394     memcpy(str, pos, len);
1395     return 0;
1396 }
1397
1398 /*********************************************************************
1399  *  _i64tow_s (MSVCRT.@)
1400  */
1401 int CDECL _i64tow_s(__int64 value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1402 {
1403     unsigned __int64 val;
1404     unsigned int digit;
1405     int is_negative;
1406     MSVCRT_wchar_t buffer[65], *pos;
1407     size_t len;
1408
1409     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1410     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1411     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1412     {
1413         str[0] = '\0';
1414         return MSVCRT_EINVAL;
1415     }
1416
1417     if (value < 0 && radix == 10)
1418     {
1419         is_negative = 1;
1420         val = -value;
1421     }
1422     else
1423     {
1424         is_negative = 0;
1425         val = value;
1426     }
1427
1428     pos = buffer + 64;
1429     *pos = '\0';
1430
1431     do
1432     {
1433         digit = val % radix;
1434         val /= radix;
1435
1436         if (digit < 10)
1437             *--pos = '0' + digit;
1438         else
1439             *--pos = 'a' + digit - 10;
1440     }
1441     while (val != 0);
1442
1443     if (is_negative)
1444         *--pos = '-';
1445
1446     len = buffer + 65 - pos;
1447     if (len > size)
1448     {
1449         size_t i;
1450         MSVCRT_wchar_t *p = str;
1451
1452         /* Copy the temporary buffer backwards up to the available number of
1453          * characters. Don't copy the negative sign if present. */
1454
1455         if (is_negative)
1456         {
1457             p++;
1458             size--;
1459         }
1460
1461         for (pos = buffer + 63, i = 0; i < size; i++)
1462             *p++ = *pos--;
1463
1464         str[0] = '\0';
1465         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1466         return MSVCRT_ERANGE;
1467     }
1468
1469     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1470     return 0;
1471 }
1472
1473 #define I10_OUTPUT_MAX_PREC 21
1474 /* Internal structure used by $I10_OUTPUT */
1475 struct _I10_OUTPUT_DATA {
1476     short pos;
1477     char sign;
1478     BYTE len;
1479     char str[I10_OUTPUT_MAX_PREC+1]; /* add space for '\0' */
1480 };
1481
1482 /*********************************************************************
1483  *              $I10_OUTPUT (MSVCRT.@)
1484  * ld80 - long double (Intel 80 bit FP in 12 bytes) to be printed to data
1485  * prec - precision of part, we're interested in
1486  * flag - 0 for first prec digits, 1 for fractional part
1487  * data - data to be populated
1488  *
1489  * return value
1490  *      0 if given double is NaN or INF
1491  *      1 otherwise
1492  *
1493  * FIXME
1494  *      Native sets last byte of data->str to '0' or '9', I don't know what
1495  *      it means. Current implementation sets it always to '0'.
1496  */
1497 int CDECL MSVCRT_I10_OUTPUT(MSVCRT__LDOUBLE ld80, int prec, int flag, struct _I10_OUTPUT_DATA *data)
1498 {
1499     static const char inf_str[] = "1#INF";
1500     static const char nan_str[] = "1#QNAN";
1501
1502     /* MS' long double type wants 12 bytes for Intel's 80 bit FP format.
1503      * Some UNIX have sizeof(long double) == 16, yet only 80 bit are used.
1504      * Assume long double uses 80 bit FP, never seen 128 bit FP. */
1505     long double ld = 0;
1506     double d;
1507     char format[8];
1508     char buf[I10_OUTPUT_MAX_PREC+9]; /* 9 = strlen("0.e+0000") + '\0' */
1509     char *p;
1510
1511     memcpy(&ld, &ld80, 10);
1512     d = ld;
1513     TRACE("(%lf %d %x %p)\n", d, prec, flag, data);
1514
1515     if(d<0) {
1516         data->sign = '-';
1517         d = -d;
1518     } else
1519         data->sign = ' ';
1520
1521     if(isinf(d)) {
1522         data->pos = 1;
1523         data->len = 5;
1524         memcpy(data->str, inf_str, sizeof(inf_str));
1525
1526         return 0;
1527     }
1528
1529     if(isnan(d)) {
1530         data->pos = 1;
1531         data->len = 6;
1532         memcpy(data->str, nan_str, sizeof(nan_str));
1533
1534         return 0;
1535     }
1536
1537     if(flag&1) {
1538         int exp = 1+floor(log10(d));
1539
1540         prec += exp;
1541         if(exp < 0)
1542             prec--;
1543     }
1544     prec--;
1545
1546     if(prec+1 > I10_OUTPUT_MAX_PREC)
1547         prec = I10_OUTPUT_MAX_PREC-1;
1548     else if(prec < 0) {
1549         d = 0.0;
1550         prec = 0;
1551     }
1552
1553     sprintf(format, "%%.%dle", prec);
1554     sprintf(buf, format, d);
1555
1556     buf[1] = buf[0];
1557     data->pos = atoi(buf+prec+3);
1558     if(buf[1] != '0')
1559         data->pos++;
1560
1561     for(p = buf+prec+1; p>buf+1 && *p=='0'; p--);
1562     data->len = p-buf;
1563
1564     memcpy(data->str, buf+1, data->len);
1565     data->str[data->len] = '\0';
1566
1567     if(buf[1]!='0' && prec-data->len+1>0)
1568         memcpy(data->str+data->len+1, buf+data->len+1, prec-data->len+1);
1569
1570     return 1;
1571 }
1572 #undef I10_OUTPUT_MAX_PREC
1573
1574 /*********************************************************************
1575  *                  memcpy   (MSVCRT.@)
1576  */
1577 void * __cdecl MSVCRT_memcpy( void *dst, const void *src, size_t n )
1578 {
1579     return memmove( dst, src, n );
1580 }
1581
1582 /*********************************************************************
1583  *                  memset (MSVCRT.@)
1584  */
1585 void* __cdecl MSVCRT_memset(void *dst, int c, MSVCRT_size_t n)
1586 {
1587     return memset(dst, c, n);
1588 }
1589
1590 /*********************************************************************
1591  *                  strchr (MSVCRT.@)
1592  */
1593 char* __cdecl MSVCRT_strchr(const char *str, int c)
1594 {
1595     return strchr(str, c);
1596 }
1597
1598 /*********************************************************************
1599  *                  strncmp   (MSVCRT.@)
1600  */
1601 int __cdecl MSVCRT_strncmp(const char *str1, const char *str2, MSVCRT_size_t len)
1602 {
1603     return strncmp(str1, str2, len);
1604 }
1605
1606 /*********************************************************************
1607  *                  _strnicmp_l   (MSVCRT.@)
1608  */
1609 int __cdecl MSVCRT__strnicmp_l(const char *s1, const char *s2,
1610         MSVCRT_size_t count, MSVCRT__locale_t locale)
1611 {
1612     MSVCRT_pthreadlocinfo locinfo;
1613     char c1, c2;
1614
1615     if(s1==NULL || s2==NULL)
1616         return MSVCRT__NLSCMPERROR;
1617
1618     if(!count)
1619         return 0;
1620
1621     if(!locale)
1622         locinfo = get_locinfo();
1623     else
1624         locinfo = locale->locinfo;
1625
1626     if(!locinfo->lc_handle[MSVCRT_LC_CTYPE])
1627         return strncasecmp(s1, s2, count);
1628
1629     do {
1630         c1 = MSVCRT__tolower_l(*s1++, locale);
1631         c2 = MSVCRT__tolower_l(*s2++, locale);
1632     }while(--count && c1 && c1==c2);
1633
1634     return c1-c2;
1635 }
1636
1637 /*********************************************************************
1638  *                  _stricmp_l   (MSVCRT.@)
1639  */
1640 int __cdecl MSVCRT__stricmp_l(const char *s1, const char *s2, MSVCRT__locale_t locale)
1641 {
1642     return MSVCRT__strnicmp_l(s1, s2, -1, locale);
1643 }
1644
1645 /*********************************************************************
1646  *                  _strnicmp   (MSVCRT.@)
1647  */
1648 int __cdecl MSVCRT__strnicmp(const char *s1, const char *s2, MSVCRT_size_t count)
1649 {
1650     return MSVCRT__strnicmp_l(s1, s2, count, NULL);
1651 }
1652
1653 /*********************************************************************
1654  *                  _stricmp   (MSVCRT.@)
1655  */
1656 int __cdecl MSVCRT__stricmp(const char *s1, const char *s2)
1657 {
1658     return MSVCRT__strnicmp_l(s1, s2, -1, NULL);
1659 }