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 MSVCRT__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 MSVCRT__strlwr_s(char *str, MSVCRT_size_t len)
  93 {
  94     return MSVCRT__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     MSVCRT__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     MSVCRT__strlwr_s_l(str, -1, NULL);
 112     return str;
 113 }
 114
 115 /*********************************************************************
 116  *              _strupr_s_l (MSVCRT.@)
 117  */
 118 int CDECL MSVCRT__strupr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
 119 {
 120     MSVCRT_pthreadlocinfo locinfo;
 121     char *ptr = str;
 122
 123     if (!str || !len)
 124     {
 125         *MSVCRT__errno() = MSVCRT_EINVAL;
 126         return MSVCRT_EINVAL;
 127     }
 128
 129     while (len && *ptr)
 130     {
 131         len--;
 132         ptr++;
 133     }
 134
 135     if (!len)
 136     {
 137         str[0] = '\0';
 138         *MSVCRT__errno() = MSVCRT_EINVAL;
 139         return MSVCRT_EINVAL;
 140     }
 141
 142     if(!locale)
 143         locinfo = get_locinfo();
 144     else
 145         locinfo = locale->locinfo;
 146
 147     if(!locinfo->lc_handle[MSVCRT_LC_CTYPE])
 148     {
 149         while (*str)
 150         {
 151             if (*str >= 'a' && *str <= 'z')
 152                 *str -= 'a' - 'A';
 153             str++;
 154         }
 155     }
 156     else
 157     {
 158         while (*str)
 159         {
 160             *str = MSVCRT__toupper_l((unsigned char)*str, locale);
 161             str++;
 162         }
 163     }
 164
 165     return 0;
 166 }
 167
 168 /*********************************************************************
 169  *              _strupr_s (MSVCRT.@)
 170  */
 171 int CDECL MSVCRT__strupr_s(char *str, MSVCRT_size_t len)
 172 {
 173     return MSVCRT__strupr_s_l(str, len, NULL);
 174 }
 175
 176 /*********************************************************************
 177  *              _strupr_l (MSVCRT.@)
 178  */
 179 char* CDECL MSVCRT__strupr_l(char *str, MSVCRT__locale_t locale)
 180 {
 181     MSVCRT__strupr_s_l(str, -1, locale);
 182     return str;
 183 }
 184
 185 /*********************************************************************
 186  *              _strupr (MSVCRT.@)
 187  */
 188 char* CDECL MSVCRT__strupr(char *str)
 189 {
 190     MSVCRT__strupr_s_l(str, -1, NULL);
 191     return str;
 192 }
 193
 194 /*********************************************************************
 195  *              _strnset_s (MSVCRT.@)
 196  */
 197 int CDECL MSVCRT__strnset_s(char *str, MSVCRT_size_t size, int c, MSVCRT_size_t count)
 198 {
 199     MSVCRT_size_t i;
 200
 201     if(!str && !size && !count) return 0;
 202     if(!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
 203     if(!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
 204
 205     for(i=0; i<size-1 && i<count; i++) {
 206         if(!str[i]) return 0;
 207         str[i] = c;
 208     }
 209     for(; i<size; i++)
 210         if(!str[i]) return 0;
 211
 212     str[0] = 0;
 213     MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
 214     *MSVCRT__errno() = MSVCRT_EINVAL;
 215     return MSVCRT_EINVAL;
 216 }
 217
 218 /*********************************************************************
 219  *              _strnset (MSVCRT.@)
 220  */
 221 char* CDECL MSVCRT__strnset(char* str, int value, MSVCRT_size_t len)
 222 {
 223   if (len > 0 && str)
 224     while (*str && len--)
 225       *str++ = value;
 226   return str;
 227 }
 228
 229 /*********************************************************************
 230  *              _strrev (MSVCRT.@)
 231  */
 232 char* CDECL MSVCRT__strrev(char* str)
 233 {
 234   char * p1;
 235   char * p2;
 236
 237   if (str && *str)
 238     for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
 239     {
 240       *p1 ^= *p2;
 241       *p2 ^= *p1;
 242       *p1 ^= *p2;
 243     }
 244
 245   return str;
 246 }
 247
 248 /*********************************************************************
 249  *              _strset (MSVCRT.@)
 250  */
 251 char* CDECL _strset(char* str, int value)
 252 {
 253   char *ptr = str;
 254   while (*ptr)
 255     *ptr++ = value;
 256
 257   return str;
 258 }
 259
 260 /*********************************************************************
 261  *              strtok  (MSVCRT.@)
 262  */
 263 char * CDECL MSVCRT_strtok( char *str, const char *delim )
 264 {
 265     thread_data_t *data = msvcrt_get_thread_data();
 266     char *ret;
 267
 268     if (!str)
 269         if (!(str = data->strtok_next)) return NULL;
 270
 271     while (*str && strchr( delim, *str )) str++;
 272     if (!*str) return NULL;
 273     ret = str++;
 274     while (*str && !strchr( delim, *str )) str++;
 275     if (*str) *str++ = 0;
 276     data->strtok_next = str;
 277     return ret;
 278 }
 279
 280 /*********************************************************************
 281  *              strtok_s  (MSVCRT.@)
 282  */
 283 char * CDECL MSVCRT_strtok_s(char *str, const char *delim, char **ctx)
 284 {
 285     if (!MSVCRT_CHECK_PMT(delim != NULL)) return NULL;
 286     if (!MSVCRT_CHECK_PMT(ctx != NULL)) return NULL;
 287     if (!MSVCRT_CHECK_PMT(str != NULL || *ctx != NULL)) return NULL;
 288
 289     if(!str)
 290         str = *ctx;
 291
 292     while(*str && strchr(delim, *str))
 293         str++;
 294     if(!*str)
 295     {
 296         *ctx = str;
 297         return NULL;
 298     }
 299
 300     *ctx = str+1;
 301     while(**ctx && !strchr(delim, **ctx))
 302         (*ctx)++;
 303     if(**ctx)
 304         *(*ctx)++ = 0;
 305
 306     return str;
 307 }
 308
 309 /*********************************************************************
 310  *              _swab (MSVCRT.@)
 311  */
 312 void CDECL MSVCRT__swab(char* src, char* dst, int len)
 313 {
 314   if (len > 1)
 315   {
 316     len = (unsigned)len >> 1;
 317
 318     while (len--) {
 319       char s0 = src[0];
 320       char s1 = src[1];
 321       *dst++ = s1;
 322       *dst++ = s0;
 323       src = src + 2;
 324     }
 325   }
 326 }
 327
 328 static double strtod_helper(const char *str, char **end, MSVCRT__locale_t locale, int *err)
 329 {
 330     MSVCRT_pthreadlocinfo locinfo;
 331     unsigned __int64 d=0, hlp;
 332     unsigned fpcontrol;
 333     int exp=0, sign=1;
 334     const char *p;
 335     double ret;
 336     long double lret=1, expcnt = 10;
 337     BOOL found_digit = FALSE, negexp;
 338     int base = 10;
 339
 340     if(err)
 341         *err = 0;
 342     else if(!MSVCRT_CHECK_PMT(str != NULL)) {
 343         if (end)
 344             *end = NULL;
 345         return 0;
 346     }
 347
 348     if(!locale)
 349         locinfo = get_locinfo();
 350     else
 351         locinfo = locale->locinfo;
 352
 353     /* FIXME: use *_l functions */
 354     p = str;
 355     while(isspace(*p))
 356         p++;
 357
 358     if(*p == '-') {
 359         sign = -1;
 360         p++;
 361     } else  if(*p == '+')
 362         p++;
 363
 364 #if _MSVCR_VER >= 140
 365     if(tolower(p[0]) == 'i' && tolower(p[1]) == 'n' && tolower(p[2]) == 'f') {
 366         if(end)
 367             *end = (char*) &p[3];
 368         if(tolower(p[3]) == 'i' && tolower(p[4]) == 'n' && tolower(p[5]) == 'i' &&
 369            tolower(p[6]) == 't' && tolower(p[7]) == 'y' && end)
 370             *end = (char*) &p[8];
 371         return sign*INFINITY;
 372     }
 373     if(tolower(p[0]) == 'n' &&
 374        tolower(p[1]) == 'a' &&
 375        tolower(p[2]) == 'n') {
 376         if(end)
 377             *end = (char*) &p[3];
 378         return NAN;
 379     }
 380
 381     if(p[0] == '0' && tolower(p[1]) == 'x') {
 382         base = 16;
 383         expcnt = 2;
 384         p += 2;
 385     }
 386 #endif
 387
 388     while((*p>='0' && *p<='9') ||
 389           (base == 16 && ((*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F')))) {
 390         char c = *p++;
 391         int val;
 392         found_digit = TRUE;
 393         if (c>='0' && c<='9')
 394             val = c - '0';
 395         else if (c >= 'a' && c <= 'f')
 396             val = 10 + c - 'a';
 397         else
 398             val = 10 + c - 'A';
 399         hlp = d*base+val;
 400         if(d>MSVCRT_UI64_MAX/base || hlp<d) {
 401             exp++;
 402             break;
 403         } else
 404             d = hlp;
 405     }
 406     while((*p>='0' && *p<='9') ||
 407           (base == 16 && ((*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F')))) {
 408         exp++;
 409         p++;
 410     }
 411
 412     if(*p == *locinfo->lconv->decimal_point)
 413         p++;
 414
 415     while((*p>='0' && *p<='9') ||
 416           (base == 16 && ((*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F')))) {
 417         char c = *p++;
 418         int val;
 419         found_digit = TRUE;
 420         if (c>='0' && c<='9')
 421             val = c - '0';
 422         else if (c >= 'a' && c <= 'f')
 423             val = 10 + c - 'a';
 424         else
 425             val = 10 + c - 'A';
 426         hlp = d*base+val;
 427         if(d>MSVCRT_UI64_MAX/base || hlp<d)
 428             break;
 429         d = hlp;
 430         exp--;
 431     }
 432     while((*p>='0' && *p<='9') ||
 433           (base == 16 && ((*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F'))))
 434         p++;
 435
 436     if(!found_digit) {
 437         if(end)
 438             *end = (char*)str;
 439         return 0.0;
 440     }
 441
 442     if(base == 16)
 443         exp *= 4;
 444
 445     if((base == 10 && (*p=='e' || *p=='E' || *p=='d' || *p=='D')) ||
 446        (base == 16 && (*p=='p' || *p=='P'))) {
 447         int e=0, s=1;
 448
 449         p++;
 450         if(*p == '-') {
 451             s = -1;
 452             p++;
 453         } else if(*p == '+')
 454             p++;
 455
 456         if(*p>='0' && *p<='9') {
 457             while(*p>='0' && *p<='9') {
 458                 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
 459                     e = INT_MAX;
 460                 p++;
 461             }
 462             e *= s;
 463
 464             if(exp<0 && e<0 && exp+e>=0) exp = INT_MIN;
 465             else if(exp>0 && e>0 && exp+e<0) exp = INT_MAX;
 466             else exp += e;
 467         } else {
 468             if(*p=='-' || *p=='+')
 469                 p--;
 470             p--;
 471         }
 472     }
 473
 474     fpcontrol = _control87(0, 0);
 475     _control87(MSVCRT__EM_DENORMAL|MSVCRT__EM_INVALID|MSVCRT__EM_ZERODIVIDE
 476             |MSVCRT__EM_OVERFLOW|MSVCRT__EM_UNDERFLOW|MSVCRT__EM_INEXACT, 0xffffffff);
 477
 478     negexp = (exp < 0);
 479     if(negexp)
 480         exp = -exp;
 481     while(exp) {
 482         if(exp & 1)
 483             lret *= expcnt;
 484         exp /= 2;
 485         expcnt = expcnt*expcnt;
 486     }
 487     ret = (long double)sign * (negexp ? d/lret : d*lret);
 488
 489     _control87(fpcontrol, 0xffffffff);
 490
 491     if((d && ret==0.0) || isinf(ret)) {
 492         if(err)
 493             *err = MSVCRT_ERANGE;
 494         else
 495             *MSVCRT__errno() = MSVCRT_ERANGE;
 496     }
 497
 498     if(end)
 499         *end = (char*)p;
 500
 501     return ret;
 502 }
 503
 504 /*********************************************************************
 505  *              strtod_l  (MSVCRT.@)
 506  */
 507 double CDECL MSVCRT_strtod_l(const char *str, char **end, MSVCRT__locale_t locale)
 508 {
 509     return strtod_helper(str, end, locale, NULL);
 510 }
 511
 512 /*********************************************************************
 513  *              strtod  (MSVCRT.@)
 514  */
 515 double CDECL MSVCRT_strtod( const char *str, char **end )
 516 {
 517     return MSVCRT_strtod_l( str, end, NULL );
 518 }
 519
 520 #if _MSVCR_VER>=120
 521
 522 /*********************************************************************
 523  *              strtof_l  (MSVCR120.@)
 524  */
 525 float CDECL MSVCRT__strtof_l( const char *str, char **end, MSVCRT__locale_t locale )
 526 {
 527     return MSVCRT_strtod_l(str, end, locale);
 528 }
 529
 530 /*********************************************************************
 531  *              strtof  (MSVCR120.@)
 532  */
 533 float CDECL MSVCRT_strtof( const char *str, char **end )
 534 {
 535     return MSVCRT__strtof_l(str, end, NULL);
 536 }
 537
 538 #endif /* _MSVCR_VER>=120 */
 539
 540 /*********************************************************************
 541  *              atof  (MSVCRT.@)
 542  */
 543 double CDECL MSVCRT_atof( const char *str )
 544 {
 545     return MSVCRT_strtod_l(str, NULL, NULL);
 546 }
 547
 548 /*********************************************************************
 549  *              _atof_l  (MSVCRT.@)
 550  */
 551 double CDECL MSVCRT__atof_l( const char *str, MSVCRT__locale_t locale)
 552 {
 553     return MSVCRT_strtod_l(str, NULL, locale);
 554 }
 555
 556 /*********************************************************************
 557  *              _atoflt_l  (MSVCRT.@)
 558  */
 559 int CDECL MSVCRT__atoflt_l( MSVCRT__CRT_FLOAT *value, char *str, MSVCRT__locale_t locale)
 560 {
 561     double d;
 562     int err;
 563
 564     d = strtod_helper(str, NULL, locale, &err);
 565     value->f = d;
 566     if(isinf(value->f))
 567         return MSVCRT__OVERFLOW;
 568     if((d!=0 || err) && value->f>-MSVCRT_FLT_MIN && value->f<MSVCRT_FLT_MIN)
 569         return MSVCRT__UNDERFLOW;
 570     return 0;
 571 }
 572
 573 /*********************************************************************
 574  * _atoflt  (MSVCR100.@)
 575  */
 576 int CDECL MSVCRT__atoflt(MSVCRT__CRT_FLOAT *value, char *str)
 577 {
 578     return MSVCRT__atoflt_l(value, str, NULL);
 579 }
 580
 581 /*********************************************************************
 582  *              _atodbl_l  (MSVCRT.@)
 583  */
 584 int CDECL MSVCRT__atodbl_l(MSVCRT__CRT_DOUBLE *value, char *str, MSVCRT__locale_t locale)
 585 {
 586     int err;
 587
 588     value->x = strtod_helper(str, NULL, locale, &err);
 589     if(isinf(value->x))
 590         return MSVCRT__OVERFLOW;
 591     if((value->x!=0 || err) && value->x>-MSVCRT_DBL_MIN && value->x<MSVCRT_DBL_MIN)
 592         return MSVCRT__UNDERFLOW;
 593     return 0;
 594 }
 595
 596 /*********************************************************************
 597  *              _atodbl  (MSVCRT.@)
 598  */
 599 int CDECL MSVCRT__atodbl(MSVCRT__CRT_DOUBLE *value, char *str)
 600 {
 601     return MSVCRT__atodbl_l(value, str, NULL);
 602 }
 603
 604 /*********************************************************************
 605  *              _strcoll_l (MSVCRT.@)
 606  */
 607 int CDECL MSVCRT_strcoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
 608 {
 609     MSVCRT_pthreadlocinfo locinfo;
 610
 611     if(!locale)
 612         locinfo = get_locinfo();
 613     else
 614         locinfo = locale->locinfo;
 615
 616     if(!locinfo->lc_handle[MSVCRT_LC_COLLATE])
 617         return strcmp(str1, str2);
 618     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, -1, str2, -1)-CSTR_EQUAL;
 619 }
 620
 621 /*********************************************************************
 622  *              strcoll (MSVCRT.@)
 623  */
 624 int CDECL MSVCRT_strcoll( const char* str1, const char* str2 )
 625 {
 626     return MSVCRT_strcoll_l(str1, str2, NULL);
 627 }
 628
 629 /*********************************************************************
 630  *              _stricoll_l (MSVCRT.@)
 631  */
 632 int CDECL MSVCRT__stricoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
 633 {
 634     MSVCRT_pthreadlocinfo locinfo;
 635
 636     if(!locale)
 637         locinfo = get_locinfo();
 638     else
 639         locinfo = locale->locinfo;
 640
 641     if(!locinfo->lc_handle[MSVCRT_LC_COLLATE])
 642         return strcasecmp(str1, str2);
 643     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 644             str1, -1, str2, -1)-CSTR_EQUAL;
 645 }
 646
 647 /*********************************************************************
 648  *              _stricoll (MSVCRT.@)
 649  */
 650 int CDECL MSVCRT__stricoll( const char* str1, const char* str2 )
 651 {
 652     return MSVCRT__stricoll_l(str1, str2, NULL);
 653 }
 654
 655 /*********************************************************************
 656  *              _strncoll_l (MSVCRT.@)
 657  */
 658 int CDECL MSVCRT__strncoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
 659 {
 660     MSVCRT_pthreadlocinfo locinfo;
 661
 662     if(!locale)
 663         locinfo = get_locinfo();
 664     else
 665         locinfo = locale->locinfo;
 666
 667     if(!locinfo->lc_handle[MSVCRT_LC_COLLATE])
 668         return strncmp(str1, str2, count);
 669     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, count, str2, count)-CSTR_EQUAL;
 670 }
 671
 672 /*********************************************************************
 673  *              _strncoll (MSVCRT.@)
 674  */
 675 int CDECL MSVCRT__strncoll( const char* str1, const char* str2, MSVCRT_size_t count )
 676 {
 677     return MSVCRT__strncoll_l(str1, str2, count, NULL);
 678 }
 679
 680 /*********************************************************************
 681  *              _strnicoll_l (MSVCRT.@)
 682  */
 683 int CDECL MSVCRT__strnicoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
 684 {
 685     MSVCRT_pthreadlocinfo locinfo;
 686
 687     if(!locale)
 688         locinfo = get_locinfo();
 689     else
 690         locinfo = locale->locinfo;
 691
 692     if(!locinfo->lc_handle[MSVCRT_LC_COLLATE])
 693         return strncasecmp(str1, str2, count);
 694     return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
 695             str1, count, str2, count)-CSTR_EQUAL;
 696 }
 697
 698 /*********************************************************************
 699  *              _strnicoll (MSVCRT.@)
 700  */
 701 int CDECL MSVCRT__strnicoll( const char* str1, const char* str2, MSVCRT_size_t count )
 702 {
 703     return MSVCRT__strnicoll_l(str1, str2, count, NULL);
 704 }
 705
 706 /*********************************************************************
 707  *                  strncpy (MSVCRT.@)
 708  */
 709 char* __cdecl MSVCRT_strncpy(char *dst, const char *src, MSVCRT_size_t len)
 710 {
 711     MSVCRT_size_t i;
 712
 713     for(i=0; i<len; i++)
 714         if((dst[i] = src[i]) == '\0') break;
 715
 716     while (i < len) dst[i++] = 0;
 717
 718     return dst;
 719 }
 720
 721 /*********************************************************************
 722  *      strcpy (MSVCRT.@)
 723  */
 724 char* CDECL MSVCRT_strcpy(char *dst, const char *src)
 725 {
 726     char *ret = dst;
 727     while ((*dst++ = *src++));
 728     return ret;
 729 }
 730
 731 /*********************************************************************
 732  *      strcpy_s (MSVCRT.@)
 733  */
 734 int CDECL MSVCRT_strcpy_s( char* dst, MSVCRT_size_t elem, const char* src )
 735 {
 736     MSVCRT_size_t i;
 737     if(!elem) return MSVCRT_EINVAL;
 738     if(!dst) return MSVCRT_EINVAL;
 739     if(!src)
 740     {
 741         dst[0] = '\0';
 742         return MSVCRT_EINVAL;
 743     }
 744
 745     for(i = 0; i < elem; i++)
 746     {
 747         if((dst[i] = src[i]) == '\0') return 0;
 748     }
 749     dst[0] = '\0';
 750     return MSVCRT_ERANGE;
 751 }
 752
 753 /*********************************************************************
 754  *      strcat_s (MSVCRT.@)
 755  */
 756 int CDECL MSVCRT_strcat_s( char* dst, MSVCRT_size_t elem, const char* src )
 757 {
 758     MSVCRT_size_t i, j;
 759     if(!dst) return MSVCRT_EINVAL;
 760     if(elem == 0) return MSVCRT_EINVAL;
 761     if(!src)
 762     {
 763         dst[0] = '\0';
 764         return MSVCRT_EINVAL;
 765     }
 766
 767     for(i = 0; i < elem; i++)
 768     {
 769         if(dst[i] == '\0')
 770         {
 771             for(j = 0; (j + i) < elem; j++)
 772             {
 773                 if((dst[j + i] = src[j]) == '\0') return 0;
 774             }
 775         }
 776     }
 777     /* Set the first element to 0, not the first element after the skipped part */
 778     dst[0] = '\0';
 779     return MSVCRT_ERANGE;
 780 }
 781
 782 /*********************************************************************
 783  *      strncat_s (MSVCRT.@)
 784  */
 785 int CDECL MSVCRT_strncat_s( char* dst, MSVCRT_size_t elem, const char* src, MSVCRT_size_t count )
 786 {
 787     MSVCRT_size_t i, j;
 788
 789     if (!MSVCRT_CHECK_PMT(dst != 0)) return MSVCRT_EINVAL;
 790     if (!MSVCRT_CHECK_PMT(elem != 0)) return MSVCRT_EINVAL;
 791     if (!MSVCRT_CHECK_PMT(src != 0))
 792     {
 793         dst[0] = '\0';
 794         return MSVCRT_EINVAL;
 795     }
 796
 797     for(i = 0; i < elem; i++)
 798     {
 799         if(dst[i] == '\0')
 800         {
 801             for(j = 0; (j + i) < elem; j++)
 802             {
 803                 if(count == MSVCRT__TRUNCATE && j + i == elem - 1)
 804                 {
 805                     dst[j + i] = '\0';
 806                     return MSVCRT_STRUNCATE;
 807                 }
 808                 if(j == count || (dst[j + i] = src[j]) == '\0')
 809                 {
 810                     dst[j + i] = '\0';
 811                     return 0;
 812                 }
 813             }
 814         }
 815     }
 816     /* Set the first element to 0, not the first element after the skipped part */
 817     dst[0] = '\0';
 818     return MSVCRT_ERANGE;
 819 }
 820
 821 /*********************************************************************
 822  *      strncat (MSVCRT.@)
 823  */
 824 char* __cdecl MSVCRT_strncat(char *dst, const char *src, MSVCRT_size_t len)
 825 {
 826     return strncat(dst, src, len);
 827 }
 828
 829 /*********************************************************************
 830  *              _strxfrm_l (MSVCRT.@)
 831  */
 832 MSVCRT_size_t CDECL MSVCRT__strxfrm_l( char *dest, const char *src,
 833         MSVCRT_size_t len, MSVCRT__locale_t locale )
 834 {
 835     MSVCRT_pthreadlocinfo locinfo;
 836     int ret;
 837
 838     if(!MSVCRT_CHECK_PMT(src)) return INT_MAX;
 839     if(!MSVCRT_CHECK_PMT(dest || !len)) return INT_MAX;
 840
 841     if(len > INT_MAX) {
 842         FIXME("len > INT_MAX not supported\n");
 843         len = INT_MAX;
 844     }
 845
 846     if(!locale)
 847         locinfo = get_locinfo();
 848     else
 849         locinfo = locale->locinfo;
 850
 851     if(!locinfo->lc_handle[MSVCRT_LC_COLLATE]) {
 852         MSVCRT_strncpy(dest, src, len);
 853         return strlen(src);
 854     }
 855
 856     ret = LCMapStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE],
 857             LCMAP_SORTKEY, src, -1, NULL, 0);
 858     if(!ret) {
 859         if(len) dest[0] = 0;
 860         *MSVCRT__errno() = MSVCRT_EILSEQ;
 861         return INT_MAX;
 862     }
 863     if(!len) return ret-1;
 864
 865     if(ret > len) {
 866         dest[0] = 0;
 867         *MSVCRT__errno() = MSVCRT_ERANGE;
 868         return ret-1;
 869     }
 870
 871     return LCMapStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE],
 872             LCMAP_SORTKEY, src, -1, dest, len) - 1;
 873 }
 874
 875 /*********************************************************************
 876  *              strxfrm (MSVCRT.@)
 877  */
 878 MSVCRT_size_t CDECL MSVCRT_strxfrm( char *dest, const char *src, MSVCRT_size_t len )
 879 {
 880     return MSVCRT__strxfrm_l(dest, src, len, NULL);
 881 }
 882
 883 /********************************************************************
 884  *              _atoldbl (MSVCRT.@)
 885  */
 886 int CDECL MSVCRT__atoldbl(MSVCRT__LDOUBLE *value, const char *str)
 887 {
 888   /* FIXME needs error checking for huge/small values */
 889 #ifdef HAVE_STRTOLD
 890   long double ld;
 891   TRACE("str %s value %p\n",str,value);
 892   ld = strtold(str,0);
 893   memcpy(value, &ld, 10);
 894 #else
 895   FIXME("stub, str %s value %p\n",str,value);
 896 #endif
 897   return 0;
 898 }
 899
 900 /********************************************************************
 901  *              __STRINGTOLD (MSVCRT.@)
 902  */
 903 int CDECL __STRINGTOLD( MSVCRT__LDOUBLE *value, char **endptr, const char *str, int flags )
 904 {
 905 #ifdef HAVE_STRTOLD
 906     long double ld;
 907     FIXME("%p %p %s %x partial stub\n", value, endptr, str, flags );
 908     ld = strtold(str,0);
 909     memcpy(value, &ld, 10);
 910 #else
 911     FIXME("%p %p %s %x stub\n", value, endptr, str, flags );
 912 #endif
 913     return 0;
 914 }
 915
 916 /*********************************************************************
 917  *              strlen (MSVCRT.@)
 918  */
 919 MSVCRT_size_t __cdecl MSVCRT_strlen(const char *str)
 920 {
 921     return strlen(str);
 922 }
 923
 924 /******************************************************************
 925  *              strnlen (MSVCRT.@)
 926  */
 927 MSVCRT_size_t CDECL MSVCRT_strnlen(const char *s, MSVCRT_size_t maxlen)
 928 {
 929     MSVCRT_size_t i;
 930
 931     for(i=0; i<maxlen; i++)
 932         if(!s[i]) break;
 933
 934     return i;
 935 }
 936
 937 /*********************************************************************
 938  *  _strtoi64_l (MSVCRT.@)
 939  *
 940  * FIXME: locale parameter is ignored
 941  */
 942 __int64 CDECL MSVCRT_strtoi64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
 943 {
 944     const char *p = nptr;
 945     BOOL negative = FALSE;
 946     BOOL got_digit = FALSE;
 947     __int64 ret = 0;
 948
 949     TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
 950
 951     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
 952     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
 953     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
 954
 955     while(isspace(*nptr)) nptr++;
 956
 957     if(*nptr == '-') {
 958         negative = TRUE;
 959         nptr++;
 960     } else if(*nptr == '+')
 961         nptr++;
 962
 963     if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
 964         base = 16;
 965         nptr += 2;
 966     }
 967
 968     if(base == 0) {
 969         if(*nptr=='0')
 970             base = 8;
 971         else
 972             base = 10;
 973     }
 974
 975     while(*nptr) {
 976         char cur = tolower(*nptr);
 977         int v;
 978
 979         if(cur>='0' && cur<='9') {
 980             if(cur >= '0'+base)
 981                 break;
 982             v = cur-'0';
 983         } else {
 984             if(cur<'a' || cur>='a'+base-10)
 985                 break;
 986             v = cur-'a'+10;
 987         }
 988         got_digit = TRUE;
 989
 990         if(negative)
 991             v = -v;
 992
 993         nptr++;
 994
 995         if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
 996             ret = MSVCRT_I64_MAX;
 997             *MSVCRT__errno() = MSVCRT_ERANGE;
 998         } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
 999             ret = MSVCRT_I64_MIN;
1000             *MSVCRT__errno() = MSVCRT_ERANGE;
1001         } else
1002             ret = ret*base + v;
1003     }
1004
1005     if(endptr)
1006         *endptr = (char*)(got_digit ? nptr : p);
1007
1008     return ret;
1009 }
1010
1011 /*********************************************************************
1012  *  _strtoi64 (MSVCRT.@)
1013  */
1014 __int64 CDECL MSVCRT_strtoi64(const char *nptr, char **endptr, int base)
1015 {
1016     return MSVCRT_strtoi64_l(nptr, endptr, base, NULL);
1017 }
1018
1019 /*********************************************************************
1020  *  _atoi_l (MSVCRT.@)
1021  */
1022 int __cdecl MSVCRT__atoi_l(const char *str, MSVCRT__locale_t locale)
1023 {
1024     __int64 ret = MSVCRT_strtoi64_l(str, NULL, 10, locale);
1025
1026     if(ret > INT_MAX) {
1027         ret = INT_MAX;
1028         *MSVCRT__errno() = MSVCRT_ERANGE;
1029     } else if(ret < INT_MIN) {
1030         ret = INT_MIN;
1031         *MSVCRT__errno() = MSVCRT_ERANGE;
1032     }
1033     return ret;
1034 }
1035
1036 /*********************************************************************
1037  *  atoi (MSVCRT.@)
1038  */
1039 #if _MSVCR_VER == 0
1040 int __cdecl MSVCRT_atoi(const char *str)
1041 {
1042     BOOL minus = FALSE;
1043     int ret = 0;
1044
1045     if(!str)
1046         return 0;
1047
1048     while(isspace(*str)) str++;
1049
1050     if(*str == '+') {
1051         str++;
1052     }else if(*str == '-') {
1053         minus = TRUE;
1054         str++;
1055     }
1056
1057     while(*str>='0' && *str<='9') {
1058         ret = ret*10+*str-'0';
1059         str++;
1060     }
1061
1062     return minus ? -ret : ret;
1063 }
1064 #else
1065 int CDECL MSVCRT_atoi(const char *str)
1066 {
1067     return MSVCRT__atoi_l(str, NULL);
1068 }
1069 #endif
1070
1071 /******************************************************************
1072  *      _atoi64_l (MSVCRT.@)
1073  */
1074 __int64 CDECL MSVCRT__atoi64_l(const char *str, MSVCRT__locale_t locale)
1075 {
1076     return MSVCRT_strtoi64_l(str, NULL, 10, locale);
1077 }
1078
1079 /******************************************************************
1080  *      _atol_l (MSVCRT.@)
1081  */
1082 MSVCRT_long CDECL MSVCRT__atol_l(const char *str, MSVCRT__locale_t locale)
1083 {
1084     __int64 ret = MSVCRT_strtoi64_l(str, NULL, 10, locale);
1085
1086     if(ret > LONG_MAX) {
1087         ret = LONG_MAX;
1088         *MSVCRT__errno() = MSVCRT_ERANGE;
1089     } else if(ret < LONG_MIN) {
1090         ret = LONG_MIN;
1091         *MSVCRT__errno() = MSVCRT_ERANGE;
1092     }
1093     return ret;
1094 }
1095
1096 #if _MSVCR_VER>=120
1097
1098 /******************************************************************
1099  *      _atoll_l (MSVCR120.@)
1100  */
1101 MSVCRT_longlong CDECL MSVCRT__atoll_l(const char* str, MSVCRT__locale_t locale)
1102 {
1103     return MSVCRT_strtoi64_l(str, NULL, 10, locale);
1104 }
1105
1106 /******************************************************************
1107  *      atoll (MSVCR120.@)
1108  */
1109 MSVCRT_longlong CDECL MSVCRT_atoll(const char* str)
1110 {
1111     return MSVCRT__atoll_l(str, NULL);
1112 }
1113
1114 #endif /* if _MSVCR_VER>=120 */
1115
1116 /******************************************************************
1117  *              _strtol_l (MSVCRT.@)
1118  */
1119 MSVCRT_long CDECL MSVCRT__strtol_l(const char* nptr,
1120         char** end, int base, MSVCRT__locale_t locale)
1121 {
1122     __int64 ret = MSVCRT_strtoi64_l(nptr, end, base, locale);
1123
1124     if(ret > MSVCRT_LONG_MAX) {
1125         ret = MSVCRT_LONG_MAX;
1126         *MSVCRT__errno() = MSVCRT_ERANGE;
1127     } else if(ret < MSVCRT_LONG_MIN) {
1128         ret = MSVCRT_LONG_MIN;
1129         *MSVCRT__errno() = MSVCRT_ERANGE;
1130     }
1131
1132     return ret;
1133 }
1134
1135 /******************************************************************
1136  *              strtol (MSVCRT.@)
1137  */
1138 MSVCRT_long CDECL MSVCRT_strtol(const char* nptr, char** end, int base)
1139 {
1140     return MSVCRT__strtol_l(nptr, end, base, NULL);
1141 }
1142
1143 /******************************************************************
1144  *              _strtoul_l (MSVCRT.@)
1145  */
1146 MSVCRT_ulong CDECL MSVCRT_strtoul_l(const char* nptr, char** end, int base, MSVCRT__locale_t locale)
1147 {
1148     __int64 ret = MSVCRT_strtoi64_l(nptr, end, base, locale);
1149
1150     if(ret > MSVCRT_ULONG_MAX) {
1151         ret = MSVCRT_ULONG_MAX;
1152         *MSVCRT__errno() = MSVCRT_ERANGE;
1153     }else if(ret < -(__int64)MSVCRT_ULONG_MAX) {
1154         ret = 1;
1155         *MSVCRT__errno() = MSVCRT_ERANGE;
1156     }
1157
1158     return ret;
1159 }
1160
1161 /******************************************************************
1162  *              strtoul (MSVCRT.@)
1163  */
1164 MSVCRT_ulong CDECL MSVCRT_strtoul(const char* nptr, char** end, int base)
1165 {
1166     return MSVCRT_strtoul_l(nptr, end, base, NULL);
1167 }
1168
1169 /*********************************************************************
1170  *  _strtoui64_l (MSVCRT.@)
1171  *
1172  * FIXME: locale parameter is ignored
1173  */
1174 unsigned __int64 CDECL MSVCRT_strtoui64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
1175 {
1176     const char *p = nptr;
1177     BOOL negative = FALSE;
1178     BOOL got_digit = FALSE;
1179     unsigned __int64 ret = 0;
1180
1181     TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
1182
1183     if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
1184     if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
1185     if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
1186
1187     while(isspace(*nptr)) nptr++;
1188
1189     if(*nptr == '-') {
1190         negative = TRUE;
1191         nptr++;
1192     } else if(*nptr == '+')
1193         nptr++;
1194
1195     if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
1196         base = 16;
1197         nptr += 2;
1198     }
1199
1200     if(base == 0) {
1201         if(*nptr=='0')
1202             base = 8;
1203         else
1204             base = 10;
1205     }
1206
1207     while(*nptr) {
1208         char cur = tolower(*nptr);
1209         int v;
1210
1211         if(cur>='0' && cur<='9') {
1212             if(cur >= '0'+base)
1213                 break;
1214             v = *nptr-'0';
1215         } else {
1216             if(cur<'a' || cur>='a'+base-10)
1217                 break;
1218             v = cur-'a'+10;
1219         }
1220         got_digit = TRUE;
1221
1222         nptr++;
1223
1224         if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
1225             ret = MSVCRT_UI64_MAX;
1226             *MSVCRT__errno() = MSVCRT_ERANGE;
1227         } else
1228             ret = ret*base + v;
1229     }
1230
1231     if(endptr)
1232         *endptr = (char*)(got_digit ? nptr : p);
1233
1234     return negative ? -ret : ret;
1235 }
1236
1237 /*********************************************************************
1238  *  _strtoui64 (MSVCRT.@)
1239  */
1240 unsigned __int64 CDECL MSVCRT_strtoui64(const char *nptr, char **endptr, int base)
1241 {
1242     return MSVCRT_strtoui64_l(nptr, endptr, base, NULL);
1243 }
1244
1245 static int ltoa_helper(MSVCRT_long value, char *str, MSVCRT_size_t size, int radix)
1246 {
1247     MSVCRT_ulong val;
1248     unsigned int digit;
1249     BOOL is_negative;
1250     char buffer[33], *pos;
1251     size_t len;
1252
1253     if (value < 0 && radix == 10)
1254     {
1255         is_negative = TRUE;
1256         val = -value;
1257     }
1258     else
1259     {
1260         is_negative = FALSE;
1261         val = value;
1262     }
1263
1264     pos = buffer + 32;
1265     *pos = '\0';
1266
1267     do
1268     {
1269         digit = val % radix;
1270         val /= radix;
1271
1272         if (digit < 10)
1273             *--pos = '0' + digit;
1274         else
1275             *--pos = 'a' + digit - 10;
1276     }
1277     while (val != 0);
1278
1279     if (is_negative)
1280         *--pos = '-';
1281
1282     len = buffer + 33 - pos;
1283     if (len > size)
1284     {
1285         size_t i;
1286         char *p = str;
1287
1288         /* Copy the temporary buffer backwards up to the available number of
1289          * characters. Don't copy the negative sign if present. */
1290
1291         if (is_negative)
1292         {
1293             p++;
1294             size--;
1295         }
1296
1297         for (pos = buffer + 31, i = 0; i < size; i++)
1298             *p++ = *pos--;
1299
1300         str[0] = '\0';
1301         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1302         return MSVCRT_ERANGE;
1303     }
1304
1305     memcpy(str, pos, len);
1306     return 0;
1307 }
1308
1309 /*********************************************************************
1310  *  _ltoa_s (MSVCRT.@)
1311  */
1312 int CDECL MSVCRT__ltoa_s(MSVCRT_long value, char *str, MSVCRT_size_t size, int radix)
1313 {
1314     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1315     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1316     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1317     {
1318         str[0] = '\0';
1319         return MSVCRT_EINVAL;
1320     }
1321
1322     return ltoa_helper(value, str, size, radix);
1323 }
1324
1325 /*********************************************************************
1326  *  _ltow_s (MSVCRT.@)
1327  */
1328 int CDECL MSVCRT__ltow_s(MSVCRT_long value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1329 {
1330     MSVCRT_ulong val;
1331     unsigned int digit;
1332     BOOL is_negative;
1333     MSVCRT_wchar_t buffer[33], *pos;
1334     size_t len;
1335
1336     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1337     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1338     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1339     {
1340         str[0] = '\0';
1341         return MSVCRT_EINVAL;
1342     }
1343
1344     if (value < 0 && radix == 10)
1345     {
1346         is_negative = TRUE;
1347         val = -value;
1348     }
1349     else
1350     {
1351         is_negative = FALSE;
1352         val = value;
1353     }
1354
1355     pos = buffer + 32;
1356     *pos = '\0';
1357
1358     do
1359     {
1360         digit = val % radix;
1361         val /= radix;
1362
1363         if (digit < 10)
1364             *--pos = '0' + digit;
1365         else
1366             *--pos = 'a' + digit - 10;
1367     }
1368     while (val != 0);
1369
1370     if (is_negative)
1371         *--pos = '-';
1372
1373     len = buffer + 33 - pos;
1374     if (len > size)
1375     {
1376         size_t i;
1377         MSVCRT_wchar_t *p = str;
1378
1379         /* Copy the temporary buffer backwards up to the available number of
1380          * characters. Don't copy the negative sign if present. */
1381
1382         if (is_negative)
1383         {
1384             p++;
1385             size--;
1386         }
1387
1388         for (pos = buffer + 31, i = 0; i < size; i++)
1389             *p++ = *pos--;
1390
1391         str[0] = '\0';
1392         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1393         return MSVCRT_ERANGE;
1394     }
1395
1396     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1397     return 0;
1398 }
1399
1400 /*********************************************************************
1401  *  _itoa_s (MSVCRT.@)
1402  */
1403 int CDECL MSVCRT__itoa_s(int value, char *str, MSVCRT_size_t size, int radix)
1404 {
1405     return MSVCRT__ltoa_s(value, str, size, radix);
1406 }
1407
1408 /*********************************************************************
1409  *  _itoa (MSVCRT.@)
1410  */
1411 char* CDECL MSVCRT__itoa(int value, char *str, int radix)
1412 {
1413     return ltoa_helper(value, str, MSVCRT_SIZE_MAX, radix) ? NULL : str;
1414 }
1415
1416 /*********************************************************************
1417  *  _itow_s (MSVCRT.@)
1418  */
1419 int CDECL MSVCRT__itow_s(int value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1420 {
1421     return MSVCRT__ltow_s(value, str, size, radix);
1422 }
1423
1424 /*********************************************************************
1425  *  _ui64toa_s (MSVCRT.@)
1426  */
1427 int CDECL MSVCRT__ui64toa_s(unsigned __int64 value, char *str,
1428         MSVCRT_size_t size, int radix)
1429 {
1430     char buffer[65], *pos;
1431     int digit;
1432
1433     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1434     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1435     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1436     {
1437         str[0] = '\0';
1438         return MSVCRT_EINVAL;
1439     }
1440
1441     pos = buffer+64;
1442     *pos = '\0';
1443
1444     do {
1445         digit = value%radix;
1446         value /= radix;
1447
1448         if(digit < 10)
1449             *--pos = '0'+digit;
1450         else
1451             *--pos = 'a'+digit-10;
1452     }while(value != 0);
1453
1454     if(buffer-pos+65 > size) {
1455         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1456         return MSVCRT_EINVAL;
1457     }
1458
1459     memcpy(str, pos, buffer-pos+65);
1460     return 0;
1461 }
1462
1463 /*********************************************************************
1464  *      _ui64tow_s  (MSVCRT.@)
1465  */
1466 int CDECL MSVCRT__ui64tow_s( unsigned __int64 value, MSVCRT_wchar_t *str,
1467                              MSVCRT_size_t size, int radix )
1468 {
1469     MSVCRT_wchar_t buffer[65], *pos;
1470     int digit;
1471
1472     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1473     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1474     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1475     {
1476         str[0] = '\0';
1477         return MSVCRT_EINVAL;
1478     }
1479
1480     pos = &buffer[64];
1481     *pos = '\0';
1482
1483     do {
1484         digit = value % radix;
1485         value = value / radix;
1486         if (digit < 10)
1487             *--pos = '0' + digit;
1488         else
1489             *--pos = 'a' + digit - 10;
1490     } while (value != 0);
1491
1492     if(buffer-pos+65 > size) {
1493         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1494         return MSVCRT_EINVAL;
1495     }
1496
1497     memcpy(str, pos, (buffer-pos+65)*sizeof(MSVCRT_wchar_t));
1498     return 0;
1499 }
1500
1501 /*********************************************************************
1502  *  _ultoa_s (MSVCRT.@)
1503  */
1504 int CDECL MSVCRT__ultoa_s(MSVCRT_ulong value, char *str, MSVCRT_size_t size, int radix)
1505 {
1506     MSVCRT_ulong digit;
1507     char buffer[33], *pos;
1508     size_t len;
1509
1510     if (!str || !size || radix < 2 || radix > 36)
1511     {
1512         if (str && size)
1513             str[0] = '\0';
1514
1515         *MSVCRT__errno() = MSVCRT_EINVAL;
1516         return MSVCRT_EINVAL;
1517     }
1518
1519     pos = buffer + 32;
1520     *pos = '\0';
1521
1522     do
1523     {
1524         digit = value % radix;
1525         value /= radix;
1526
1527         if (digit < 10)
1528             *--pos = '0' + digit;
1529         else
1530             *--pos = 'a' + digit - 10;
1531     }
1532     while (value != 0);
1533
1534     len = buffer + 33 - pos;
1535     if (len > size)
1536     {
1537         size_t i;
1538         char *p = str;
1539
1540         /* Copy the temporary buffer backwards up to the available number of
1541          * characters. */
1542
1543         for (pos = buffer + 31, i = 0; i < size; i++)
1544             *p++ = *pos--;
1545
1546         str[0] = '\0';
1547         *MSVCRT__errno() = MSVCRT_ERANGE;
1548         return MSVCRT_ERANGE;
1549     }
1550
1551     memcpy(str, pos, len);
1552     return 0;
1553 }
1554
1555 /*********************************************************************
1556  *  _ultow_s (MSVCRT.@)
1557  */
1558 int CDECL MSVCRT__ultow_s(MSVCRT_ulong value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1559 {
1560     MSVCRT_ulong digit;
1561     WCHAR buffer[33], *pos;
1562     size_t len;
1563
1564     if (!str || !size || radix < 2 || radix > 36)
1565     {
1566         if (str && size)
1567             str[0] = '\0';
1568
1569         *MSVCRT__errno() = MSVCRT_EINVAL;
1570         return MSVCRT_EINVAL;
1571     }
1572
1573     pos = buffer + 32;
1574     *pos = '\0';
1575
1576     do
1577     {
1578         digit = value % radix;
1579         value /= radix;
1580
1581         if (digit < 10)
1582             *--pos = '0' + digit;
1583         else
1584             *--pos = 'a' + digit - 10;
1585     }
1586     while (value != 0);
1587
1588     len = buffer + 33 - pos;
1589     if (len > size)
1590     {
1591         size_t i;
1592         WCHAR *p = str;
1593
1594         /* Copy the temporary buffer backwards up to the available number of
1595          * characters. */
1596
1597         for (pos = buffer + 31, i = 0; i < size; i++)
1598             *p++ = *pos--;
1599
1600         str[0] = '\0';
1601         *MSVCRT__errno() = MSVCRT_ERANGE;
1602         return MSVCRT_ERANGE;
1603     }
1604
1605     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1606     return 0;
1607 }
1608
1609 /*********************************************************************
1610  *  _i64toa_s (MSVCRT.@)
1611  */
1612 int CDECL MSVCRT__i64toa_s(__int64 value, char *str, MSVCRT_size_t size, int radix)
1613 {
1614     unsigned __int64 val;
1615     unsigned int digit;
1616     BOOL is_negative;
1617     char buffer[65], *pos;
1618     size_t len;
1619
1620     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1621     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1622     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1623     {
1624         str[0] = '\0';
1625         return MSVCRT_EINVAL;
1626     }
1627
1628     if (value < 0 && radix == 10)
1629     {
1630         is_negative = TRUE;
1631         val = -value;
1632     }
1633     else
1634     {
1635         is_negative = FALSE;
1636         val = value;
1637     }
1638
1639     pos = buffer + 64;
1640     *pos = '\0';
1641
1642     do
1643     {
1644         digit = val % radix;
1645         val /= radix;
1646
1647         if (digit < 10)
1648             *--pos = '0' + digit;
1649         else
1650             *--pos = 'a' + digit - 10;
1651     }
1652     while (val != 0);
1653
1654     if (is_negative)
1655         *--pos = '-';
1656
1657     len = buffer + 65 - pos;
1658     if (len > size)
1659     {
1660         size_t i;
1661         char *p = str;
1662
1663         /* Copy the temporary buffer backwards up to the available number of
1664          * characters. Don't copy the negative sign if present. */
1665
1666         if (is_negative)
1667         {
1668             p++;
1669             size--;
1670         }
1671
1672         for (pos = buffer + 63, i = 0; i < size; i++)
1673             *p++ = *pos--;
1674
1675         str[0] = '\0';
1676         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1677         return MSVCRT_ERANGE;
1678     }
1679
1680     memcpy(str, pos, len);
1681     return 0;
1682 }
1683
1684 /*********************************************************************
1685  *  _i64tow_s (MSVCRT.@)
1686  */
1687 int CDECL MSVCRT__i64tow_s(__int64 value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1688 {
1689     unsigned __int64 val;
1690     unsigned int digit;
1691     BOOL is_negative;
1692     MSVCRT_wchar_t buffer[65], *pos;
1693     size_t len;
1694
1695     if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1696     if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1697     if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1698     {
1699         str[0] = '\0';
1700         return MSVCRT_EINVAL;
1701     }
1702
1703     if (value < 0 && radix == 10)
1704     {
1705         is_negative = TRUE;
1706         val = -value;
1707     }
1708     else
1709     {
1710         is_negative = FALSE;
1711         val = value;
1712     }
1713
1714     pos = buffer + 64;
1715     *pos = '\0';
1716
1717     do
1718     {
1719         digit = val % radix;
1720         val /= radix;
1721
1722         if (digit < 10)
1723             *--pos = '0' + digit;
1724         else
1725             *--pos = 'a' + digit - 10;
1726     }
1727     while (val != 0);
1728
1729     if (is_negative)
1730         *--pos = '-';
1731
1732     len = buffer + 65 - pos;
1733     if (len > size)
1734     {
1735         size_t i;
1736         MSVCRT_wchar_t *p = str;
1737
1738         /* Copy the temporary buffer backwards up to the available number of
1739          * characters. Don't copy the negative sign if present. */
1740
1741         if (is_negative)
1742         {
1743             p++;
1744             size--;
1745         }
1746
1747         for (pos = buffer + 63, i = 0; i < size; i++)
1748             *p++ = *pos--;
1749
1750         str[0] = '\0';
1751         MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1752         return MSVCRT_ERANGE;
1753     }
1754
1755     memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1756     return 0;
1757 }
1758
1759 #define I10_OUTPUT_MAX_PREC 21
1760 /* Internal structure used by $I10_OUTPUT */
1761 struct _I10_OUTPUT_DATA {
1762     short pos;
1763     char sign;
1764     BYTE len;
1765     char str[I10_OUTPUT_MAX_PREC+1]; /* add space for '\0' */
1766 };
1767
1768 /*********************************************************************
1769  *              $I10_OUTPUT (MSVCRT.@)
1770  * ld80 - long double (Intel 80 bit FP in 12 bytes) to be printed to data
1771  * prec - precision of part, we're interested in
1772  * flag - 0 for first prec digits, 1 for fractional part
1773  * data - data to be populated
1774  *
1775  * return value
1776  *      0 if given double is NaN or INF
1777  *      1 otherwise
1778  *
1779  * FIXME
1780  *      Native sets last byte of data->str to '0' or '9', I don't know what
1781  *      it means. Current implementation sets it always to '0'.
1782  */
1783 int CDECL MSVCRT_I10_OUTPUT(MSVCRT__LDOUBLE ld80, int prec, int flag, struct _I10_OUTPUT_DATA *data)
1784 {
1785     static const char inf_str[] = "1#INF";
1786     static const char nan_str[] = "1#QNAN";
1787
1788     /* MS' long double type wants 12 bytes for Intel's 80 bit FP format.
1789      * Some UNIX have sizeof(long double) == 16, yet only 80 bit are used.
1790      * Assume long double uses 80 bit FP, never seen 128 bit FP. */
1791     long double ld = 0;
1792     double d;
1793     char format[8];
1794     char buf[I10_OUTPUT_MAX_PREC+9]; /* 9 = strlen("0.e+0000") + '\0' */
1795     char *p;
1796
1797     memcpy(&ld, &ld80, 10);
1798     d = ld;
1799     TRACE("(%lf %d %x %p)\n", d, prec, flag, data);
1800
1801     if(d<0) {
1802         data->sign = '-';
1803         d = -d;
1804     } else
1805         data->sign = ' ';
1806
1807     if(isinf(d)) {
1808         data->pos = 1;
1809         data->len = 5;
1810         memcpy(data->str, inf_str, sizeof(inf_str));
1811
1812         return 0;
1813     }
1814
1815     if(isnan(d)) {
1816         data->pos = 1;
1817         data->len = 6;
1818         memcpy(data->str, nan_str, sizeof(nan_str));
1819
1820         return 0;
1821     }
1822
1823     if(flag&1) {
1824         int exp = 1+floor(log10(d));
1825
1826         prec += exp;
1827         if(exp < 0)
1828             prec--;
1829     }
1830     prec--;
1831
1832     if(prec+1 > I10_OUTPUT_MAX_PREC)
1833         prec = I10_OUTPUT_MAX_PREC-1;
1834     else if(prec < 0) {
1835         d = 0.0;
1836         prec = 0;
1837     }
1838
1839     sprintf(format, "%%.%dle", prec);
1840     sprintf(buf, format, d);
1841
1842     buf[1] = buf[0];
1843     data->pos = atoi(buf+prec+3);
1844     if(buf[1] != '0')
1845         data->pos++;
1846
1847     for(p = buf+prec+1; p>buf+1 && *p=='0'; p--);
1848     data->len = p-buf;
1849
1850     memcpy(data->str, buf+1, data->len);
1851     data->str[data->len] = '\0';
1852
1853     if(buf[1]!='0' && prec-data->len+1>0)
1854         memcpy(data->str+data->len+1, buf+data->len+1, prec-data->len+1);
1855
1856     return 1;
1857 }
1858 #undef I10_OUTPUT_MAX_PREC
1859
1860 /*********************************************************************
1861  *                  memcmp (MSVCRT.@)
1862  */
1863 int __cdecl MSVCRT_memcmp(const void *ptr1, const void *ptr2, MSVCRT_size_t n)
1864 {
1865     return memcmp(ptr1, ptr2, n);
1866 }
1867
1868 /*********************************************************************
1869  *                  memcpy   (MSVCRT.@)
1870  */
1871 void * __cdecl MSVCRT_memcpy(void *dst, const void *src, MSVCRT_size_t n)
1872 {
1873     return memmove(dst, src, n);
1874 }
1875
1876 /*********************************************************************
1877  *                  memmove (MSVCRT.@)
1878  */
1879 void * __cdecl MSVCRT_memmove(void *dst, const void *src, MSVCRT_size_t n)
1880 {
1881     return memmove(dst, src, n);
1882 }
1883
1884 /*********************************************************************
1885  *                  memset (MSVCRT.@)
1886  */
1887 void* __cdecl MSVCRT_memset(void *dst, int c, MSVCRT_size_t n)
1888 {
1889     return memset(dst, c, n);
1890 }
1891
1892 /*********************************************************************
1893  *                  strchr (MSVCRT.@)
1894  */
1895 char* __cdecl MSVCRT_strchr(const char *str, int c)
1896 {
1897     return strchr(str, c);
1898 }
1899
1900 /*********************************************************************
1901  *                  strrchr (MSVCRT.@)
1902  */
1903 char* __cdecl MSVCRT_strrchr(const char *str, int c)
1904 {
1905     return strrchr(str, c);
1906 }
1907
1908 /*********************************************************************
1909  *                  memchr   (MSVCRT.@)
1910  */
1911 void* __cdecl MSVCRT_memchr(const void *ptr, int c, MSVCRT_size_t n)
1912 {
1913     return memchr(ptr, c, n);
1914 }
1915
1916 /*********************************************************************
1917  *                  strcmp (MSVCRT.@)
1918  */
1919 int __cdecl MSVCRT_strcmp(const char *str1, const char *str2)
1920 {
1921     return strcmp(str1, str2);
1922 }
1923
1924 /*********************************************************************
1925  *                  strncmp   (MSVCRT.@)
1926  */
1927 int __cdecl MSVCRT_strncmp(const char *str1, const char *str2, MSVCRT_size_t len)
1928 {
1929     return strncmp(str1, str2, len);
1930 }
1931
1932 /*********************************************************************
1933  *                  _strnicmp_l   (MSVCRT.@)
1934  */
1935 int __cdecl MSVCRT__strnicmp_l(const char *s1, const char *s2,
1936         MSVCRT_size_t count, MSVCRT__locale_t locale)
1937 {
1938     MSVCRT_pthreadlocinfo locinfo;
1939     int c1, c2;
1940
1941     if(s1==NULL || s2==NULL)
1942         return MSVCRT__NLSCMPERROR;
1943
1944     if(!count)
1945         return 0;
1946
1947     if(!locale)
1948         locinfo = get_locinfo();
1949     else
1950         locinfo = locale->locinfo;
1951
1952     if(!locinfo->lc_handle[MSVCRT_LC_CTYPE])
1953         return strncasecmp(s1, s2, count);
1954
1955     do {
1956         c1 = MSVCRT__tolower_l(*s1++, locale);
1957         c2 = MSVCRT__tolower_l(*s2++, locale);
1958     }while(--count && c1 && c1==c2);
1959
1960     return c1-c2;
1961 }
1962
1963 /*********************************************************************
1964  *                  _stricmp_l   (MSVCRT.@)
1965  */
1966 int __cdecl MSVCRT__stricmp_l(const char *s1, const char *s2, MSVCRT__locale_t locale)
1967 {
1968     return MSVCRT__strnicmp_l(s1, s2, -1, locale);
1969 }
1970
1971 /*********************************************************************
1972  *                  _strnicmp   (MSVCRT.@)
1973  */
1974 int __cdecl MSVCRT__strnicmp(const char *s1, const char *s2, MSVCRT_size_t count)
1975 {
1976     return MSVCRT__strnicmp_l(s1, s2, count, NULL);
1977 }
1978
1979 /*********************************************************************
1980  *                  _stricmp   (MSVCRT.@)
1981  */
1982 int __cdecl MSVCRT__stricmp(const char *s1, const char *s2)
1983 {
1984     return MSVCRT__strnicmp_l(s1, s2, -1, NULL);
1985 }
1986
1987 /*********************************************************************
1988  *                  strstr   (MSVCRT.@)
1989  */
1990 char* __cdecl MSVCRT_strstr(const char *haystack, const char *needle)
1991 {
1992     return strstr(haystack, needle);
1993 }
1994
1995 /*********************************************************************
1996  *                  _memicmp_l   (MSVCRT.@)
1997  */
1998 int __cdecl MSVCRT__memicmp_l(const char *s1, const char *s2, MSVCRT_size_t len, MSVCRT__locale_t locale)
1999 {
2000     int ret = 0;
2001
2002 #if _MSVCR_VER == 0 || _MSVCR_VER >= 80
2003     if (!s1 || !s2)
2004     {
2005         if (len)
2006             MSVCRT_INVALID_PMT(NULL, EINVAL);
2007         return len ? MSVCRT__NLSCMPERROR : 0;
2008     }
2009 #endif
2010
2011     while (len--)
2012     {
2013         if ((ret = MSVCRT__tolower_l(*s1, locale) - MSVCRT__tolower_l(*s2, locale)))
2014             break;
2015         s1++;
2016         s2++;
2017     }
2018     return ret;
2019 }
2020
2021 /*********************************************************************
2022  *                  _memicmp   (MSVCRT.@)
2023  */
2024 int __cdecl MSVCRT__memicmp(const char *s1, const char *s2, MSVCRT_size_t len)
2025 {
2026     return MSVCRT__memicmp_l(s1, s2, len, NULL);
2027 }