msvcrt: Implement and test _mbsbtype.

This commit is contained in:
Mikolaj Zalewski 2007-08-23 18:11:43 -07:00 committed by Alexandre Julliard
parent 884d718c49
commit 758539c8a3
3 changed files with 51 additions and 1 deletions

View File

@ -1088,6 +1088,38 @@ int CDECL _ismbstrail(const unsigned char* start, const unsigned char* str)
return 0;
}
/*********************************************************************
* _mbsbtype (MSVCRT.@)
*/
int CDECL _mbsbtype(const unsigned char *str, MSVCRT_size_t count)
{
int lead = 0;
const unsigned char *end = str + count;
int mbcp = g_mbcp_is_multibyte;
/* Lead bytes can also be trail bytes so we need to analyse the string.
* Also we must return _MBC_ILLEGAL for chars past the end of the string
*/
while (str < end) /* Note: we skip the last byte - will check after the loop */
{
if (!*str)
return _MBC_ILLEGAL;
lead = mbcp && !lead && _ismbblead(*str);
str++;
}
if (lead)
if (_ismbbtrail(*str))
return _MBC_TRAIL;
else
return _MBC_ILLEGAL;
else
if (_ismbblead(*str))
return _MBC_LEAD;
else
return _MBC_SINGLE;
}
/*********************************************************************
* _mbsset(MSVCRT.@)
*/

View File

@ -355,7 +355,7 @@
@ stub _mbctombb #(long)
@ cdecl _mbctoupper(long)
@ extern _mbctype MSVCRT_mbctype
@ stub _mbsbtype #(str long)
@ cdecl _mbsbtype(str long)
@ cdecl _mbscat(str str)
@ cdecl _mbschr(str long)
@ cdecl _mbscmp(str str)

View File

@ -239,6 +239,24 @@ static void test_mbcp(void)
expect_eq(_ismbstrail(mbsonlylead, &mbsonlylead[4]), FALSE, int, "%d");
expect_eq(_ismbstrail(mbsonlylead, &mbsonlylead[5]), FALSE, int, "%d");
/* _mbsbtype */
expect_eq(_mbsbtype(mbstring, 0), _MBC_LEAD, int, "%d");
expect_eq(_mbsbtype(mbstring, 1), _MBC_TRAIL, int, "%d");
expect_eq(_mbsbtype(mbstring, 2), _MBC_LEAD, int, "%d");
expect_eq(_mbsbtype(mbstring, 3), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbstring, 4), _MBC_LEAD, int, "%d");
expect_eq(_mbsbtype(mbstring, 5), _MBC_TRAIL, int, "%d");
expect_eq(_mbsbtype(mbstring, 6), _MBC_SINGLE, int, "%d");
expect_eq(_mbsbtype(mbstring, 7), _MBC_LEAD, int, "%d");
expect_eq(_mbsbtype(mbstring, 8), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 0), _MBC_LEAD, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 1), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 2), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 3), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 4), _MBC_ILLEGAL, int, "%d");
expect_eq(_mbsbtype(mbsonlylead, 5), _MBC_ILLEGAL, int, "%d");
/* _mbsnextc */
expect_eq(_mbsnextc(mbstring), 0xb0b1, int, "%x");
expect_eq(_mbsnextc(&mbstring[2]), 0xb220, int, "%x"); /* lead + invalid tail */