2 * MSVCRT string functions
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
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.
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.
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
24 #define _ISOC99_SOURCE
26 #include "wine/port.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
39 /*********************************************************************
43 char* CDECL MSVCRT__strdup(const char* str)
47 char * ret = MSVCRT_malloc(strlen(str)+1);
48 if (ret) strcpy( ret, str );
54 /*********************************************************************
55 * _strlwr_s_l (MSVCRT.@)
57 int CDECL _strlwr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
63 *MSVCRT__errno() = MSVCRT_EINVAL;
76 *MSVCRT__errno() = MSVCRT_EINVAL;
82 *str = MSVCRT__tolower_l((unsigned char)*str, locale);
89 /*********************************************************************
90 * _strlwr_s (MSVCRT.@)
92 int CDECL _strlwr_s(char *str, MSVCRT_size_t len)
94 return _strlwr_s_l(str, len, NULL);
97 /*********************************************************************
98 * _strlwr_l (MSVCRT.@)
100 char* CDECL _strlwr_l(char *str, MSVCRT__locale_t locale)
102 _strlwr_s_l(str, -1, locale);
106 /*********************************************************************
109 char* CDECL MSVCRT__strlwr(char *str)
111 _strlwr_s_l(str, -1, NULL);
115 /*********************************************************************
116 * _strupr_s_l (MSVCRT.@)
118 int CDECL _strupr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
124 *MSVCRT__errno() = MSVCRT_EINVAL;
125 return MSVCRT_EINVAL;
137 *MSVCRT__errno() = MSVCRT_EINVAL;
138 return MSVCRT_EINVAL;
143 *str = MSVCRT__toupper_l((unsigned char)*str, locale);
150 /*********************************************************************
151 * _strupr_s (MSVCRT.@)
153 int CDECL _strupr_s(char *str, MSVCRT_size_t len)
155 return _strupr_s_l(str, len, NULL);
158 /*********************************************************************
159 * _strupr_l (MSVCRT.@)
161 char* CDECL MSVCRT__strupr_l(char *str, MSVCRT__locale_t locale)
163 _strupr_s_l(str, -1, locale);
167 /*********************************************************************
170 char* CDECL MSVCRT__strupr(char *str)
172 _strupr_s_l(str, -1, NULL);
176 /*********************************************************************
177 * _strnset (MSVCRT.@)
179 char* CDECL MSVCRT__strnset(char* str, int value, MSVCRT_size_t len)
182 while (*str && len--)
187 /*********************************************************************
190 char* CDECL MSVCRT__strrev(char* str)
196 for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
206 /*********************************************************************
209 char* CDECL _strset(char* str, int value)
218 /*********************************************************************
221 char * CDECL MSVCRT_strtok( char *str, const char *delim )
223 thread_data_t *data = msvcrt_get_thread_data();
227 if (!(str = data->strtok_next)) return NULL;
229 while (*str && strchr( delim, *str )) str++;
230 if (!*str) return NULL;
232 while (*str && !strchr( delim, *str )) str++;
233 if (*str) *str++ = 0;
234 data->strtok_next = str;
238 /*********************************************************************
239 * strtok_s (MSVCRT.@)
241 char * CDECL MSVCRT_strtok_s(char *str, const char *delim, char **ctx)
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;
250 while(*str && strchr(delim, *str))
256 while(**ctx && !strchr(delim, **ctx))
264 /*********************************************************************
267 void CDECL MSVCRT__swab(char* src, char* dst, int len)
271 len = (unsigned)len >> 1;
283 static double strtod_helper(const char *str, char **end, MSVCRT__locale_t locale, int *err)
285 MSVCRT_pthreadlocinfo locinfo;
286 unsigned __int64 d=0, hlp;
291 long double lret=1, expcnt = 10;
292 BOOL found_digit = FALSE, negexp;
297 if(!MSVCRT_CHECK_PMT(str != NULL)) return 0;
300 locinfo = get_locinfo();
302 locinfo = locale->locinfo;
304 /* FIXME: use *_l functions */
317 hlp = d*10+*(p++)-'0';
318 if(d>MSVCRT_UI64_MAX/10 || hlp<d) {
329 if(*p == *locinfo->lconv->decimal_point)
334 hlp = d*10+*(p++)-'0';
335 if(d>MSVCRT_UI64_MAX/10 || hlp<d)
350 if(*p=='e' || *p=='E' || *p=='d' || *p=='D') {
362 if(e>INT_MAX/10 || (e=e*10+*p-'0')<0)
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;
372 if(*p=='-' || *p=='+')
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);
389 expcnt = expcnt*expcnt;
391 ret = (long double)sign * (negexp ? d/lret : d*lret);
393 _control87(fpcontrol, 0xffffffff);
395 if((d && ret==0.0) || isinf(ret)) {
397 *err = MSVCRT_ERANGE;
399 *MSVCRT__errno() = MSVCRT_ERANGE;
408 /*********************************************************************
409 * strtod_l (MSVCRT.@)
411 double CDECL MSVCRT_strtod_l(const char *str, char **end, MSVCRT__locale_t locale)
413 return strtod_helper(str, end, locale, NULL);
416 /*********************************************************************
419 double CDECL MSVCRT_strtod( const char *str, char **end )
421 return MSVCRT_strtod_l( str, end, NULL );
424 /*********************************************************************
427 double CDECL MSVCRT_atof( const char *str )
429 return MSVCRT_strtod_l(str, NULL, NULL);
432 /*********************************************************************
435 double CDECL MSVCRT__atof_l( const char *str, MSVCRT__locale_t locale)
437 return MSVCRT_strtod_l(str, NULL, locale);
440 /*********************************************************************
441 * _atoflt_l (MSVCRT.@)
443 int CDECL MSVCRT__atoflt_l( MSVCRT__CRT_FLOAT *value, char *str, MSVCRT__locale_t locale)
448 d = strtod_helper(str, NULL, locale, &err);
451 return MSVCRT__OVERFLOW;
452 if((d!=0 || err) && value->f>-MSVCRT_FLT_MIN && value->f<MSVCRT_FLT_MIN)
453 return MSVCRT__UNDERFLOW;
457 /*********************************************************************
458 * _atodbl_l (MSVCRT.@)
460 int CDECL MSVCRT__atodbl_l(MSVCRT__CRT_DOUBLE *value, char *str, MSVCRT__locale_t locale)
464 value->x = strtod_helper(str, NULL, locale, &err);
466 return MSVCRT__OVERFLOW;
467 if((value->x!=0 || err) && value->x>-MSVCRT_DBL_MIN && value->x<MSVCRT_DBL_MIN)
468 return MSVCRT__UNDERFLOW;
472 /*********************************************************************
475 int CDECL MSVCRT__atodbl(MSVCRT__CRT_DOUBLE *value, char *str)
477 return MSVCRT__atodbl_l(value, str, NULL);
480 /*********************************************************************
481 * _strcoll_l (MSVCRT.@)
483 int CDECL MSVCRT_strcoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
485 MSVCRT_pthreadlocinfo locinfo;
488 locinfo = get_locinfo();
490 locinfo = locale->locinfo;
492 return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, -1, str2, -1)-CSTR_EQUAL;
495 /*********************************************************************
498 int CDECL MSVCRT_strcoll( const char* str1, const char* str2 )
500 return MSVCRT_strcoll_l(str1, str2, NULL);
503 /*********************************************************************
504 * _stricoll_l (MSVCRT.@)
506 int CDECL MSVCRT__stricoll_l( const char* str1, const char* str2, MSVCRT__locale_t locale )
508 MSVCRT_pthreadlocinfo locinfo;
511 locinfo = get_locinfo();
513 locinfo = locale->locinfo;
515 return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
516 str1, -1, str2, -1)-CSTR_EQUAL;
519 /*********************************************************************
520 * _stricoll (MSVCRT.@)
522 int CDECL MSVCRT__stricoll( const char* str1, const char* str2 )
524 return MSVCRT__stricoll_l(str1, str2, NULL);
527 /*********************************************************************
528 * _strncoll_l (MSVCRT.@)
530 int CDECL MSVCRT_strncoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
532 MSVCRT_pthreadlocinfo locinfo;
535 locinfo = get_locinfo();
537 locinfo = locale->locinfo;
539 return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], 0, str1, count, str2, count)-CSTR_EQUAL;
542 /*********************************************************************
543 * strncoll (MSVCRT.@)
545 int CDECL MSVCRT_strncoll( const char* str1, const char* str2, MSVCRT_size_t count )
547 return MSVCRT_strncoll_l(str1, str2, count, NULL);
550 /*********************************************************************
551 * _strnicoll_l (MSVCRT.@)
553 int CDECL MSVCRT__strnicoll_l( const char* str1, const char* str2, MSVCRT_size_t count, MSVCRT__locale_t locale )
555 MSVCRT_pthreadlocinfo locinfo;
558 locinfo = get_locinfo();
560 locinfo = locale->locinfo;
562 return CompareStringA(locinfo->lc_handle[MSVCRT_LC_COLLATE], NORM_IGNORECASE,
563 str1, count, str2, count)-CSTR_EQUAL;
566 /*********************************************************************
567 * _strnicoll (MSVCRT.@)
569 int CDECL MSVCRT__strnicoll( const char* str1, const char* str2, MSVCRT_size_t count )
571 return MSVCRT__strnicoll_l(str1, str2, count, NULL);
574 /*********************************************************************
575 * strcpy_s (MSVCRT.@)
577 int CDECL MSVCRT_strcpy_s( char* dst, MSVCRT_size_t elem, const char* src )
580 if(!elem) return MSVCRT_EINVAL;
581 if(!dst) return MSVCRT_EINVAL;
585 return MSVCRT_EINVAL;
588 for(i = 0; i < elem; i++)
590 if((dst[i] = src[i]) == '\0') return 0;
593 return MSVCRT_ERANGE;
596 /*********************************************************************
597 * strcat_s (MSVCRT.@)
599 int CDECL MSVCRT_strcat_s( char* dst, MSVCRT_size_t elem, const char* src )
602 if(!dst) return MSVCRT_EINVAL;
603 if(elem == 0) return MSVCRT_EINVAL;
607 return MSVCRT_EINVAL;
610 for(i = 0; i < elem; i++)
614 for(j = 0; (j + i) < elem; j++)
616 if((dst[j + i] = src[j]) == '\0') return 0;
620 /* Set the first element to 0, not the first element after the skipped part */
622 return MSVCRT_ERANGE;
625 /*********************************************************************
626 * strncat_s (MSVCRT.@)
628 int CDECL MSVCRT_strncat_s( char* dst, MSVCRT_size_t elem, const char* src, MSVCRT_size_t count )
632 if (!MSVCRT_CHECK_PMT(dst != 0)) return MSVCRT_EINVAL;
633 if (!MSVCRT_CHECK_PMT(elem != 0)) return MSVCRT_EINVAL;
634 if (!MSVCRT_CHECK_PMT(src != 0))
637 return MSVCRT_EINVAL;
640 for(i = 0; i < elem; i++)
644 for(j = 0; (j + i) < elem; j++)
646 if(count == MSVCRT__TRUNCATE && j + i == elem - 1)
649 return MSVCRT_STRUNCATE;
651 if(j == count || (dst[j + i] = src[j]) == '\0')
659 /* Set the first element to 0, not the first element after the skipped part */
661 return MSVCRT_ERANGE;
664 /*********************************************************************
667 MSVCRT_size_t CDECL MSVCRT_strxfrm( char *dest, const char *src, MSVCRT_size_t len )
669 /* FIXME: handle Windows locale */
670 return strxfrm( dest, src, len );
673 /********************************************************************
674 * _atoldbl (MSVCRT.@)
676 int CDECL MSVCRT__atoldbl(MSVCRT__LDOUBLE *value, const char *str)
678 /* FIXME needs error checking for huge/small values */
681 TRACE("str %s value %p\n",str,value);
683 memcpy(value, &ld, 10);
685 FIXME("stub, str %s value %p\n",str,value);
690 /********************************************************************
691 * __STRINGTOLD (MSVCRT.@)
693 int CDECL __STRINGTOLD( MSVCRT__LDOUBLE *value, char **endptr, const char *str, int flags )
697 FIXME("%p %p %s %x partial stub\n", value, endptr, str, flags );
699 memcpy(value, &ld, 10);
701 FIXME("%p %p %s %x stub\n", value, endptr, str, flags );
706 /******************************************************************
709 MSVCRT_long CDECL MSVCRT_strtol(const char* nptr, char** end, int base)
711 /* wrapper to forward libc error code to msvcrt's error codes */
715 ret = strtol(nptr, end, base);
718 case ERANGE: *MSVCRT__errno() = MSVCRT_ERANGE; break;
719 case EINVAL: *MSVCRT__errno() = MSVCRT_EINVAL; break;
721 /* cope with the fact that we may use 64bit long integers on libc
722 * while msvcrt always uses 32bit long integers
724 if (ret > MSVCRT_LONG_MAX)
726 ret = MSVCRT_LONG_MAX;
727 *MSVCRT__errno() = MSVCRT_ERANGE;
729 else if (ret < -MSVCRT_LONG_MAX - 1)
731 ret = -MSVCRT_LONG_MAX - 1;
732 *MSVCRT__errno() = MSVCRT_ERANGE;
740 /******************************************************************
743 MSVCRT_ulong CDECL MSVCRT_strtoul(const char* nptr, char** end, int base)
745 /* wrapper to forward libc error code to msvcrt's error codes */
749 ret = strtoul(nptr, end, base);
752 case ERANGE: *MSVCRT__errno() = MSVCRT_ERANGE; break;
753 case EINVAL: *MSVCRT__errno() = MSVCRT_EINVAL; break;
755 /* cope with the fact that we may use 64bit long integers on libc
756 * while msvcrt always uses 32bit long integers
758 if (ret > MSVCRT_ULONG_MAX)
760 ret = MSVCRT_ULONG_MAX;
761 *MSVCRT__errno() = MSVCRT_ERANGE;
769 /******************************************************************
772 MSVCRT_size_t CDECL MSVCRT_strnlen(const char *s, MSVCRT_size_t maxlen)
776 for(i=0; i<maxlen; i++)
782 /*********************************************************************
783 * _strtoi64_l (MSVCRT.@)
785 * FIXME: locale parameter is ignored
787 __int64 CDECL MSVCRT_strtoi64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
789 BOOL negative = FALSE;
792 TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
794 if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
795 if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
796 if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
798 while(isspace(*nptr)) nptr++;
803 } else if(*nptr == '+')
806 if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
819 char cur = tolower(*nptr);
827 if(cur<'a' || cur>='a'+base-10)
837 if(!negative && (ret>MSVCRT_I64_MAX/base || ret*base>MSVCRT_I64_MAX-v)) {
838 ret = MSVCRT_I64_MAX;
839 *MSVCRT__errno() = MSVCRT_ERANGE;
840 } else if(negative && (ret<MSVCRT_I64_MIN/base || ret*base<MSVCRT_I64_MIN-v)) {
841 ret = MSVCRT_I64_MIN;
842 *MSVCRT__errno() = MSVCRT_ERANGE;
848 *endptr = (char*)nptr;
853 /*********************************************************************
854 * _strtoi64 (MSVCRT.@)
856 __int64 CDECL MSVCRT_strtoi64(const char *nptr, char **endptr, int base)
858 return MSVCRT_strtoi64_l(nptr, endptr, base, NULL);
861 /*********************************************************************
864 int MSVCRT__atoi_l(const char *str, MSVCRT__locale_t locale)
866 __int64 ret = MSVCRT_strtoi64_l(str, NULL, 10, locale);
870 *MSVCRT__errno() = MSVCRT_ERANGE;
871 } else if(ret < INT_MIN) {
873 *MSVCRT__errno() = MSVCRT_ERANGE;
878 /*********************************************************************
879 * _strtoui64_l (MSVCRT.@)
881 * FIXME: locale parameter is ignored
883 unsigned __int64 CDECL MSVCRT_strtoui64_l(const char *nptr, char **endptr, int base, MSVCRT__locale_t locale)
885 BOOL negative = FALSE;
886 unsigned __int64 ret = 0;
888 TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
890 if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
891 if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
892 if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
894 while(isspace(*nptr)) nptr++;
899 } else if(*nptr == '+')
902 if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
915 char cur = tolower(*nptr);
923 if(cur<'a' || cur>='a'+base-10)
930 if(ret>MSVCRT_UI64_MAX/base || ret*base>MSVCRT_UI64_MAX-v) {
931 ret = MSVCRT_UI64_MAX;
932 *MSVCRT__errno() = MSVCRT_ERANGE;
938 *endptr = (char*)nptr;
940 return negative ? -ret : ret;
943 /*********************************************************************
944 * _strtoui64 (MSVCRT.@)
946 unsigned __int64 CDECL MSVCRT_strtoui64(const char *nptr, char **endptr, int base)
948 return MSVCRT_strtoui64_l(nptr, endptr, base, NULL);
951 /*********************************************************************
954 int CDECL _ltoa_s(MSVCRT_long value, char *str, MSVCRT_size_t size, int radix)
959 char buffer[33], *pos;
962 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
963 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
964 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
967 return MSVCRT_EINVAL;
970 if (value < 0 && radix == 10)
990 *--pos = '0' + digit;
992 *--pos = 'a' + digit - 10;
999 len = buffer + 33 - pos;
1005 /* Copy the temporary buffer backwards up to the available number of
1006 * characters. Don't copy the negative sign if present. */
1014 for (pos = buffer + 31, i = 0; i < size; i++)
1018 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1019 return MSVCRT_ERANGE;
1022 memcpy(str, pos, len);
1026 /*********************************************************************
1027 * _ltow_s (MSVCRT.@)
1029 int CDECL _ltow_s(MSVCRT_long value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1034 MSVCRT_wchar_t buffer[33], *pos;
1037 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1038 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1039 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1042 return MSVCRT_EINVAL;
1045 if (value < 0 && radix == 10)
1061 digit = val % radix;
1065 *--pos = '0' + digit;
1067 *--pos = 'a' + digit - 10;
1074 len = buffer + 33 - pos;
1078 MSVCRT_wchar_t *p = str;
1080 /* Copy the temporary buffer backwards up to the available number of
1081 * characters. Don't copy the negative sign if present. */
1089 for (pos = buffer + 31, i = 0; i < size; i++)
1093 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1094 return MSVCRT_ERANGE;
1097 memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1101 /*********************************************************************
1102 * _itoa_s (MSVCRT.@)
1104 int CDECL _itoa_s(int value, char *str, MSVCRT_size_t size, int radix)
1106 return _ltoa_s(value, str, size, radix);
1109 /*********************************************************************
1110 * _itow_s (MSVCRT.@)
1112 int CDECL _itow_s(int value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1114 return _ltow_s(value, str, size, radix);
1117 /*********************************************************************
1118 * _ui64toa_s (MSVCRT.@)
1120 int CDECL MSVCRT__ui64toa_s(unsigned __int64 value, char *str,
1121 MSVCRT_size_t size, int radix)
1123 char buffer[65], *pos;
1126 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1127 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1128 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1131 return MSVCRT_EINVAL;
1138 digit = value%radix;
1144 *--pos = 'a'+digit-10;
1147 if(buffer-pos+65 > size) {
1148 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1149 return MSVCRT_EINVAL;
1152 memcpy(str, pos, buffer-pos+65);
1156 /*********************************************************************
1157 * _ui64tow_s (MSVCRT.@)
1159 int CDECL MSVCRT__ui64tow_s( unsigned __int64 value, MSVCRT_wchar_t *str,
1160 MSVCRT_size_t size, int radix )
1162 MSVCRT_wchar_t buffer[65], *pos;
1165 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1166 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1167 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1170 return MSVCRT_EINVAL;
1177 digit = value % radix;
1178 value = value / radix;
1180 *--pos = '0' + digit;
1182 *--pos = 'a' + digit - 10;
1183 } while (value != 0);
1185 if(buffer-pos+65 > size) {
1186 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_EINVAL);
1187 return MSVCRT_EINVAL;
1190 memcpy(str, pos, buffer-pos+65);
1194 /*********************************************************************
1195 * _ultoa_s (MSVCRT.@)
1197 int CDECL _ultoa_s(MSVCRT_ulong value, char *str, MSVCRT_size_t size, int radix)
1200 char buffer[33], *pos;
1203 if (!str || !size || radix < 2 || radix > 36)
1208 *MSVCRT__errno() = MSVCRT_EINVAL;
1209 return MSVCRT_EINVAL;
1217 digit = value % radix;
1221 *--pos = '0' + digit;
1223 *--pos = 'a' + digit - 10;
1227 len = buffer + 33 - pos;
1233 /* Copy the temporary buffer backwards up to the available number of
1236 for (pos = buffer + 31, i = 0; i < size; i++)
1240 *MSVCRT__errno() = MSVCRT_ERANGE;
1241 return MSVCRT_ERANGE;
1244 memcpy(str, pos, len);
1248 /*********************************************************************
1249 * _ultow_s (MSVCRT.@)
1251 int CDECL _ultow_s(MSVCRT_ulong value, WCHAR *str, MSVCRT_size_t size, int radix)
1254 WCHAR buffer[33], *pos;
1257 if (!str || !size || radix < 2 || radix > 36)
1262 *MSVCRT__errno() = MSVCRT_EINVAL;
1263 return MSVCRT_EINVAL;
1271 digit = value % radix;
1275 *--pos = '0' + digit;
1277 *--pos = 'a' + digit - 10;
1281 len = buffer + 33 - pos;
1287 /* Copy the temporary buffer backwards up to the available number of
1290 for (pos = buffer + 31, i = 0; i < size; i++)
1294 *MSVCRT__errno() = MSVCRT_ERANGE;
1295 return MSVCRT_ERANGE;
1298 memcpy(str, pos, len * sizeof(WCHAR));
1302 /*********************************************************************
1303 * _i64toa_s (MSVCRT.@)
1305 int CDECL _i64toa_s(__int64 value, char *str, MSVCRT_size_t size, int radix)
1307 unsigned __int64 val;
1310 char buffer[65], *pos;
1313 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1314 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1315 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1318 return MSVCRT_EINVAL;
1321 if (value < 0 && radix == 10)
1337 digit = val % radix;
1341 *--pos = '0' + digit;
1343 *--pos = 'a' + digit - 10;
1350 len = buffer + 65 - pos;
1356 /* Copy the temporary buffer backwards up to the available number of
1357 * characters. Don't copy the negative sign if present. */
1365 for (pos = buffer + 63, i = 0; i < size; i++)
1369 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1370 return MSVCRT_ERANGE;
1373 memcpy(str, pos, len);
1377 /*********************************************************************
1378 * _i64tow_s (MSVCRT.@)
1380 int CDECL _i64tow_s(__int64 value, MSVCRT_wchar_t *str, MSVCRT_size_t size, int radix)
1382 unsigned __int64 val;
1385 MSVCRT_wchar_t buffer[65], *pos;
1388 if (!MSVCRT_CHECK_PMT(str != NULL)) return MSVCRT_EINVAL;
1389 if (!MSVCRT_CHECK_PMT(size > 0)) return MSVCRT_EINVAL;
1390 if (!MSVCRT_CHECK_PMT(radix >= 2 && radix <= 36))
1393 return MSVCRT_EINVAL;
1396 if (value < 0 && radix == 10)
1412 digit = val % radix;
1416 *--pos = '0' + digit;
1418 *--pos = 'a' + digit - 10;
1425 len = buffer + 65 - pos;
1429 MSVCRT_wchar_t *p = str;
1431 /* Copy the temporary buffer backwards up to the available number of
1432 * characters. Don't copy the negative sign if present. */
1440 for (pos = buffer + 63, i = 0; i < size; i++)
1444 MSVCRT_INVALID_PMT("str[size] is too small", MSVCRT_ERANGE);
1445 return MSVCRT_ERANGE;
1448 memcpy(str, pos, len * sizeof(MSVCRT_wchar_t));
1452 #define I10_OUTPUT_MAX_PREC 21
1453 /* Internal structure used by $I10_OUTPUT */
1454 struct _I10_OUTPUT_DATA {
1458 char str[I10_OUTPUT_MAX_PREC+1]; /* add space for '\0' */
1461 /*********************************************************************
1462 * $I10_OUTPUT (MSVCRT.@)
1463 * ld80 - long double (Intel 80 bit FP in 12 bytes) to be printed to data
1464 * prec - precision of part, we're interested in
1465 * flag - 0 for first prec digits, 1 for fractional part
1466 * data - data to be populated
1469 * 0 if given double is NaN or INF
1473 * Native sets last byte of data->str to '0' or '9', I don't know what
1474 * it means. Current implementation sets it always to '0'.
1476 int CDECL MSVCRT_I10_OUTPUT(MSVCRT__LDOUBLE ld80, int prec, int flag, struct _I10_OUTPUT_DATA *data)
1478 static const char inf_str[] = "1#INF";
1479 static const char nan_str[] = "1#QNAN";
1481 /* MS' long double type wants 12 bytes for Intel's 80 bit FP format.
1482 * Some UNIX have sizeof(long double) == 16, yet only 80 bit are used.
1483 * Assume long double uses 80 bit FP, never seen 128 bit FP. */
1487 char buf[I10_OUTPUT_MAX_PREC+9]; /* 9 = strlen("0.e+0000") + '\0' */
1490 memcpy(&ld, &ld80, 10);
1492 TRACE("(%lf %d %x %p)\n", d, prec, flag, data);
1503 memcpy(data->str, inf_str, sizeof(inf_str));
1511 memcpy(data->str, nan_str, sizeof(nan_str));
1517 int exp = 1+floor(log10(d));
1525 if(prec+1 > I10_OUTPUT_MAX_PREC)
1526 prec = I10_OUTPUT_MAX_PREC-1;
1532 sprintf(format, "%%.%dle", prec);
1533 sprintf(buf, format, d);
1536 data->pos = atoi(buf+prec+3);
1540 for(p = buf+prec+1; p>buf+1 && *p=='0'; p--);
1543 memcpy(data->str, buf+1, data->len);
1544 data->str[data->len] = '\0';
1546 if(buf[1]!='0' && prec-data->len+1>0)
1547 memcpy(data->str+data->len+1, buf+data->len+1, prec-data->len+1);
1551 #undef I10_OUTPUT_MAX_PREC
1553 /*********************************************************************
1556 void * __cdecl MSVCRT_memcpy( void *dst, const void *src, size_t n )
1558 return memmove( dst, src, n );