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ntdll: Reimplement wcstol/wcstoul using the msvcrt code. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-03-11 09:29:24 +01:00
parent 650c8e1434
commit 295660b985
2 changed files with 183 additions and 19 deletions
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72
dlls/ntdll/tests/string.c
View File

@ -22,6 +22,7 @@
*/
#include <stdlib.h>
#include <limits.h>
#include "ntdll_test.h"
#include "winnls.h"
@ -47,6 +48,8 @@ static LPSTR (__cdecl *p_ui64toa)(ULONGLONG, LPSTR, INT);
static int (__cdecl *p_wtoi)(LPCWSTR);
static LONG (__cdecl *p_wtol)(LPCWSTR);
static LONGLONG (__cdecl *p_wtoi64)(LPCWSTR);
static LONG (__cdecl *pwcstol)(LPCWSTR,LPWSTR*,INT);
static ULONG (__cdecl *pwcstoul)(LPCWSTR,LPWSTR*,INT);
static LPWSTR (__cdecl *p_itow)(int, LPWSTR, int);
static LPWSTR (__cdecl *p_ltow)(LONG, LPWSTR, INT);
static LPWSTR (__cdecl *p_ultow)(ULONG, LPWSTR, INT);
@ -102,6 +105,8 @@ static void InitFunctionPtrs(void)
X(_wtoi);
X(_wtol);
X(_wtoi64);
X(wcstol);
X(wcstoul);
X(_itow);
X(_ltow);
X(_ultow);
@ -1153,6 +1158,72 @@ static void test_wtoi64(void)
ok( result == 0, "got %s\n", wine_dbgstr_longlong(result) );
}
static void test_wcstol(void)
{
static const struct { WCHAR str[24]; LONG res; ULONG ures; int base; } tests[] =
{
{ L"9", 9, 9, 10 },
{ L" ", 0, 0 },
{ L"-1234", -1234, -1234 },
{ L"\x09\x0a\x0b\x0c\x0d -123", -123, -123 },
{ L"\xa0 +44", 44, 44 },
{ L"\x2002\x2003 +55", 0, 0 },
{ L"\x3000 +66", 0, 0 },
{ { 0x3231 }, 0, 0 }, /* PARENTHESIZED IDEOGRAPH STOCK */
{ { 0x4e00 }, 0, 0 }, /* CJK Ideograph, First */
{ { 0x0bef }, 0, 0 }, /* TAMIL DIGIT NINE */
{ { 0x0e59 }, 9, 9 }, /* THAI DIGIT NINE */
{ { 0xff19 }, 9, 9 }, /* FULLWIDTH DIGIT NINE */
{ { 0x00b9 }, 0, 0 }, /* SUPERSCRIPT ONE */
{ { '-',0x0e50,'x',0xff19,'1' }, -0x91, -0x91 },
{ { '+',0x0e50,0xff17,'1' }, 071, 071 },
{ { 0xff19,'f',0x0e59,0xff46 }, 0x9f9, 0x9f9, 16 },
{ L"2147483647", 2147483647, 2147483647 },
{ L"2147483648", LONG_MAX, 2147483648 },
{ L"4294967295", LONG_MAX, 4294967295 },
{ L"4294967296", LONG_MAX, ULONG_MAX },
{ L"9223372036854775807", LONG_MAX, ULONG_MAX },
{ L"-2147483647", -2147483647, -2147483647 },
{ L"-2147483648", LONG_MIN, LONG_MIN },
{ L"-4294967295", LONG_MIN, 1 },
{ L"-4294967296", LONG_MIN, 1 },
{ L"-9223372036854775807", LONG_MIN, 1 },
};
static const WCHAR zeros[] =
{
0x0660, 0x06f0, 0x0966, 0x09e6, 0x0a66, 0x0ae6, 0x0b66, 0x0c66, 0x0ce6,
0x0d66, 0x0e50, 0x0ed0, 0x0f20, 0x1040, 0x17e0, 0x1810, 0xff10
};
unsigned int i;
LONG res;
ULONG ures;
WCHAR *endpos;
for (i = 0; i < ARRAY_SIZE(tests); i++)
{
res = pwcstol( tests[i].str, &endpos, tests[i].base );
ok( res == tests[i].res, "%u: %s res %08x\n", i, wine_dbgstr_w(tests[i].str), res );
if (!res) ok( endpos == tests[i].str, "%u: wrong endpos %p/%p\n", i, endpos, tests[i].str );
ures = pwcstoul( tests[i].str, &endpos, tests[i].base );
ok( ures == tests[i].ures, "%u: %s res %08x\n", i, wine_dbgstr_w(tests[i].str), ures );
}
/* Test various unicode digits */
for (i = 0; i < ARRAY_SIZE(zeros); ++i)
{
WCHAR tmp[] = { zeros[i] + 4, zeros[i], zeros[i] + 5, 0 };
res = pwcstol(tmp, NULL, 0);
ok(res == 405, "with zero = U+%04X: got %d, expected 405\n", zeros[i], res);
ures = pwcstoul(tmp, NULL, 0);
ok(ures == 405, "with zero = U+%04X: got %u, expected 405\n", zeros[i], ures);
tmp[1] = zeros[i] + 10;
res = pwcstol(tmp, NULL, 16);
ok(res == 4, "with zero = U+%04X: got %d, expected 4\n", zeros[i], res);
ures = pwcstoul(tmp, NULL, 16);
ok(ures == 4, "with zero = U+%04X: got %u, expected 4\n", zeros[i], ures);
}
}
static void test_wcschr(void)
{
static const WCHAR teststringW[] = {'a','b','r','a','c','a','d','a','b','r','a',0};
@ -1670,6 +1741,7 @@ START_TEST(string)
test_wtoi();
test_wtol();
test_wtoi64();
test_wcstol();
test_wcschr();
test_wcsrchr();
test_wcslwrupr();

130
dlls/ntdll/wcstring.c
View File

@ -23,7 +23,6 @@
#include "config.h"
#include <ctype.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
@ -340,24 +339,6 @@ INT __cdecl NTDLL_mbstowcs( LPWSTR dst, LPCSTR src, INT n )
}
/*********************************************************************
* wcstol (NTDLL.@)
*/
LONG __cdecl NTDLL_wcstol(LPCWSTR s, LPWSTR *end, INT base)
{
return strtolW( s, end, base );
}
/*********************************************************************
* wcstoul (NTDLL.@)
*/
ULONG __cdecl NTDLL_wcstoul(LPCWSTR s, LPWSTR *end, INT base)
{
return strtoulW( s, end, base );
}
/*********************************************************************
* iswctype (NTDLL.@)
*/
@ -442,6 +423,117 @@ INT __cdecl NTDLL_iswxdigit( WCHAR wc )
}
static int wctoint( WCHAR c )
{
/* NOTE: MAP_FOLDDIGITS supports too many things. */
/* Unicode points that contain digits 0-9; keep this sorted! */
static const WCHAR zeros[] =
{
0x0660, 0x06f0, 0x0966, 0x09e6, 0x0a66, 0x0ae6, 0x0b66, 0x0c66, 0x0ce6,
0x0d66, 0x0e50, 0x0ed0, 0x0f20, 0x1040, 0x17e0, 0x1810, 0xff10
};
int i;
if ('0' <= c && c <= '9') return c - '0';
if ('A' <= c && c <= 'Z') return c - 'A' + 10;
if ('a' <= c && c <= 'z') return c - 'a' + 10;
for (i = 0; i < ARRAY_SIZE(zeros) && c >= zeros[i]; i++)
if (zeros[i] <= c && c <= zeros[i] + 9) return c - zeros[i];
return -1;
}
/*********************************************************************
* wcstol (NTDLL.@)
*/
LONG __cdecl NTDLL_wcstol(LPCWSTR s, LPWSTR *end, INT base)
{
BOOL negative = FALSE, empty = TRUE;
LONG ret = 0;
if (base < 0 || base == 1 || base > 36) return 0;
if (end) *end = (WCHAR *)s;
while (NTDLL_iswspace(*s)) s++;
if (*s == '-')
{
negative = TRUE;
s++;
}
else if (*s == '+') s++;
if ((base == 0 || base == 16) && !wctoint( *s ) && (s[1] == 'x' || s[1] == 'X'))
{
base = 16;
s += 2;
}
if (base == 0) base = wctoint( *s ) ? 10 : 8;
while (*s)
{
int v = wctoint( *s );
if (v < 0 || v >= base) break;
if (negative) v = -v;
s++;
empty = FALSE;
if (!negative && (ret > MAXLONG / base || ret * base > MAXLONG - v))
ret = MAXLONG;
else if (negative && (ret < (LONG)MINLONG / base || ret * base < (LONG)(MINLONG - v)))
ret = MINLONG;
else
ret = ret * base + v;
}
if (end && !empty) *end = (WCHAR *)s;
return ret;
}
/*********************************************************************
* wcstoul (NTDLL.@)
*/
ULONG __cdecl NTDLL_wcstoul(LPCWSTR s, LPWSTR *end, INT base)
{
BOOL negative = FALSE, empty = TRUE;
ULONG ret = 0;
if (base < 0 || base == 1 || base > 36) return 0;
if (end) *end = (WCHAR *)s;
while (NTDLL_iswspace(*s)) s++;
if (*s == '-')
{
negative = TRUE;
s++;
}
else if (*s == '+') s++;
if ((base == 0 || base == 16) && !wctoint( *s ) && (s[1] == 'x' || s[1] == 'X'))
{
base = 16;
s += 2;
}
if (base == 0) base = wctoint( *s ) ? 10 : 8;
while (*s)
{
int v = wctoint( *s );
if (v < 0 || v >= base) break;
s++;
empty = FALSE;
if (ret > MAXDWORD / base || ret * base > MAXDWORD - v)
ret = MAXDWORD;
else
ret = ret * base + v;
}
if (end && !empty) *end = (WCHAR *)s;
return negative ? -ret : ret;
}
/*********************************************************************
* _ultow (NTDLL.@)
*