|
1 |
| -/* |
2 |
| - * COPYRIGHT: See COPYING in the top level directory |
3 |
| - * PROJECT: ReactOS system libraries |
4 |
| - * FILE: lib/sdk/crt/string/wtoi64.c |
5 |
| - * PURPOSE: Unknown |
6 |
| - * PROGRAMER: Unknown |
7 |
| - * UPDATE HISTORY: |
8 |
| - * 25/11/05: Added license header |
| 1 | +#include <precomp.h> |
| 2 | +#include <internal/wine/msvcrt.h> |
| 3 | + |
| 4 | +/********************************************************************* |
| 5 | + * _wtoi64_l (MSVCRT.@) |
9 | 6 | */
|
| 7 | +__int64 CDECL _wtoi64_l(const wchar_t *str, _locale_t locale) |
| 8 | +{ |
| 9 | + ULONGLONG RunningTotal = 0; |
| 10 | + BOOL bMinus = FALSE; |
10 | 11 |
|
11 |
| -#include <precomp.h> |
| 12 | + while (isspaceW(*str)) { |
| 13 | + str++; |
| 14 | + } /* while */ |
| 15 | + |
| 16 | + if (*str == '+') { |
| 17 | + str++; |
| 18 | + } else if (*str == '-') { |
| 19 | + bMinus = TRUE; |
| 20 | + str++; |
| 21 | + } /* if */ |
| 22 | + |
| 23 | + while (*str >= '0' && *str <= '9') { |
| 24 | + RunningTotal = RunningTotal * 10 + *str - '0'; |
| 25 | + str++; |
| 26 | + } /* while */ |
| 27 | + |
| 28 | + return bMinus ? -RunningTotal : RunningTotal; |
| 29 | +} |
| 30 | + |
| 31 | +/********************************************************************* |
| 32 | + * _wtoi64 (MSVCRT.@) |
| 33 | + */ |
| 34 | +__int64 CDECL _wtoi64(const wchar_t *str) |
| 35 | +{ |
| 36 | + return _wtoi64_l(str, NULL); |
| 37 | +} |
12 | 38 |
|
13 |
| -/* |
14 |
| - * @implemented |
| 39 | + |
| 40 | +/********************************************************************* |
| 41 | + * _wcstoi64_l (MSVCRT.@) |
| 42 | + * |
| 43 | + * FIXME: locale parameter is ignored |
15 | 44 | */
|
16 |
| -__int64 |
17 |
| -CDECL |
18 |
| -_wtoi64 (const wchar_t *nptr) |
| 45 | +__int64 CDECL _wcstoi64_l(const wchar_t *nptr, |
| 46 | + wchar_t **endptr, int base, _locale_t locale) |
19 | 47 | {
|
20 |
| - int c; |
21 |
| - __int64 value; |
22 |
| - int sign; |
| 48 | + BOOL negative = FALSE; |
| 49 | + __int64 ret = 0; |
| 50 | + |
| 51 | + TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale); |
| 52 | + |
| 53 | + if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0; |
| 54 | + if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0; |
| 55 | + if (!MSVCRT_CHECK_PMT(base <= 36)) return 0; |
| 56 | + |
| 57 | + while(isspaceW(*nptr)) nptr++; |
| 58 | + |
| 59 | + if(*nptr == '-') { |
| 60 | + negative = TRUE; |
| 61 | + nptr++; |
| 62 | + } else if(*nptr == '+') |
| 63 | + nptr++; |
| 64 | + |
| 65 | + if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') { |
| 66 | + base = 16; |
| 67 | + nptr += 2; |
| 68 | + } |
23 | 69 |
|
24 |
| - if (nptr == NULL) |
25 |
| - return 0; |
| 70 | + if(base == 0) { |
| 71 | + if(*nptr=='0') |
| 72 | + base = 8; |
| 73 | + else |
| 74 | + base = 10; |
| 75 | + } |
26 | 76 |
|
27 |
| - while (iswctype((int)*nptr, _SPACE)) |
28 |
| - ++nptr; |
| 77 | + while(*nptr) { |
| 78 | + wchar_t cur = tolowerW(*nptr); |
| 79 | + int v; |
29 | 80 |
|
30 |
| - c = (int)*nptr++; |
31 |
| - sign = c; |
32 |
| - if (c == L'-' || c == L'+') |
33 |
| - c = (int)*nptr++; |
| 81 | + if(cur>='0' && cur<='9') { |
| 82 | + if(cur >= '0'+base) |
| 83 | + break; |
| 84 | + v = cur-'0'; |
| 85 | + } else { |
| 86 | + if(cur<'a' || cur>='a'+base-10) |
| 87 | + break; |
| 88 | + v = cur-'a'+10; |
| 89 | + } |
34 | 90 |
|
35 |
| - value = 0; |
| 91 | + if(negative) |
| 92 | + v = -v; |
36 | 93 |
|
37 |
| - while (iswctype(c, _DIGIT)) |
38 |
| - { |
39 |
| - value = 10 * value + (c - L'0'); |
40 |
| - c = (int)*nptr++; |
41 |
| - } |
| 94 | + nptr++; |
42 | 95 |
|
43 |
| - if (sign == L'-') |
44 |
| - return -value; |
45 |
| - else |
46 |
| - return value; |
| 96 | + if(!negative && (ret>_I64_MAX/base || ret*base>_I64_MAX-v)) { |
| 97 | + ret = _I64_MAX; |
| 98 | + *_errno() = ERANGE; |
| 99 | + } else if(negative && (ret<_I64_MIN/base || ret*base<_I64_MIN-v)) { |
| 100 | + ret = _I64_MIN; |
| 101 | + *_errno() = ERANGE; |
| 102 | + } else |
| 103 | + ret = ret*base + v; |
| 104 | + } |
| 105 | + |
| 106 | + if(endptr) |
| 107 | + *endptr = (wchar_t*)nptr; |
| 108 | + |
| 109 | + return ret; |
47 | 110 | }
|
48 | 111 |
|
| 112 | +/********************************************************************* |
| 113 | + * _wcstoi64 (MSVCRT.@) |
| 114 | + */ |
| 115 | +__int64 CDECL _wcstoi64(const wchar_t *nptr, |
| 116 | + wchar_t **endptr, int base) |
| 117 | +{ |
| 118 | + return _wcstoi64_l(nptr, endptr, base, NULL); |
| 119 | +} |
49 | 120 |
|
50 |
| -/* |
51 |
| - * @unimplemented |
| 121 | +/********************************************************************* |
| 122 | + * _wcstoui64_l (MSVCRT.@) |
| 123 | + * |
| 124 | + * FIXME: locale parameter is ignored |
52 | 125 | */
|
53 |
| -__int64 |
54 |
| -CDECL |
55 |
| -_wcstoi64 (const wchar_t *nptr, wchar_t **endptr, int base) |
| 126 | +unsigned __int64 CDECL _wcstoui64_l(const wchar_t *nptr, |
| 127 | + wchar_t **endptr, int base, _locale_t locale) |
56 | 128 | {
|
57 |
| - TRACE("_wcstoi64 is UNIMPLEMENTED\n"); |
58 |
| - return 0; |
| 129 | + BOOL negative = FALSE; |
| 130 | + unsigned __int64 ret = 0; |
| 131 | + |
| 132 | + TRACE("(%s %p %d %p)\n", debugstr_w(nptr), endptr, base, locale); |
| 133 | + |
| 134 | + if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0; |
| 135 | + if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0; |
| 136 | + if (!MSVCRT_CHECK_PMT(base <= 36)) return 0; |
| 137 | + |
| 138 | + while(isspaceW(*nptr)) nptr++; |
| 139 | + |
| 140 | + if(*nptr == '-') { |
| 141 | + negative = TRUE; |
| 142 | + nptr++; |
| 143 | + } else if(*nptr == '+') |
| 144 | + nptr++; |
| 145 | + |
| 146 | + if((base==0 || base==16) && *nptr=='0' && tolowerW(*(nptr+1))=='x') { |
| 147 | + base = 16; |
| 148 | + nptr += 2; |
| 149 | + } |
| 150 | + |
| 151 | + if(base == 0) { |
| 152 | + if(*nptr=='0') |
| 153 | + base = 8; |
| 154 | + else |
| 155 | + base = 10; |
| 156 | + } |
| 157 | + |
| 158 | + while(*nptr) { |
| 159 | + wchar_t cur = tolowerW(*nptr); |
| 160 | + int v; |
| 161 | + |
| 162 | + if(cur>='0' && cur<='9') { |
| 163 | + if(cur >= '0'+base) |
| 164 | + break; |
| 165 | + v = *nptr-'0'; |
| 166 | + } else { |
| 167 | + if(cur<'a' || cur>='a'+base-10) |
| 168 | + break; |
| 169 | + v = cur-'a'+10; |
| 170 | + } |
| 171 | + |
| 172 | + nptr++; |
| 173 | + |
| 174 | + if(ret>_UI64_MAX/base || ret*base>_UI64_MAX-v) { |
| 175 | + ret = _UI64_MAX; |
| 176 | + *_errno() = ERANGE; |
| 177 | + } else |
| 178 | + ret = ret*base + v; |
| 179 | + } |
| 180 | + |
| 181 | + if(endptr) |
| 182 | + *endptr = (wchar_t*)nptr; |
| 183 | + |
| 184 | + return negative ? -ret : ret; |
59 | 185 | }
|
60 | 186 |
|
61 |
| -/* |
62 |
| - * @unimplemented |
| 187 | +/********************************************************************* |
| 188 | + * _wcstoui64 (MSVCRT.@) |
63 | 189 | */
|
64 |
| -unsigned __int64 |
65 |
| -CDECL |
66 |
| -_wcstoui64 (const wchar_t *nptr, wchar_t **endptr, int base) |
| 190 | +unsigned __int64 CDECL _wcstoui64(const wchar_t *nptr, |
| 191 | + wchar_t **endptr, int base) |
67 | 192 | {
|
68 |
| - TRACE("_wcstoui64 is UNIMPLEMENTED\n"); |
69 |
| - return 0; |
| 193 | + return _wcstoui64_l(nptr, endptr, base, NULL); |
70 | 194 | }
|
71 | 195 |
|
72 | 196 |
|
|
0 commit comments