extern "C" int __cdecl _wcsicoll (
const wchar_t *_string1,
const wchar_t *_string2
)
{
if (!__acrt_locale_changed())
{
wchar_t f,l;
/* validation section */
_VALIDATE_RETURN(_string1 != nullptr, EINVAL, _NLSCMPERROR );
_VALIDATE_RETURN(_string2 != nullptr, EINVAL, _NLSCMPERROR );
do
{
f = __ascii_towlower(*_string1);
l = __ascii_towlower(*_string2);
_string1++;
_string2++;
}
while ( (f) && (f == l) );
return (int)(f - l);
}
else
{
return _wcsicoll_l(_string1, _string2, nullptr);
}
}
int __cdecl __wcsicmp (
const wchar_t * dst,
const wchar_t * src
)
{
wchar_t f,l;
do {
f = __ascii_towlower(*dst);
l = __ascii_towlower(*src);
dst++;
src++;
} while ( (f) && (f == l) );
return (int)(f - l);
}
extern "C" int __cdecl _wcsicoll_l (
const wchar_t *_string1,
const wchar_t *_string2,
_locale_t plocinfo
)
{
int ret;
wchar_t f, l;
_LocaleUpdate _loc_update(plocinfo);
/* validation section */
_VALIDATE_RETURN(_string1 != NULL, EINVAL, _NLSCMPERROR );
_VALIDATE_RETURN(_string2 != NULL, EINVAL, _NLSCMPERROR );
if ( _loc_update.GetLocaleT()->locinfo->lc_handle[LC_COLLATE] == _CLOCALEHANDLE )
{
do
{
f = __ascii_towlower(*_string1);
l = __ascii_towlower(*_string2);
_string1++;
_string2++;
}
while ( (f) && (f == l) );
return (int)(f - l);
}
if ( 0 == (ret = __crtCompareStringW(
_loc_update.GetLocaleT(),
_loc_update.GetLocaleT()->locinfo->lc_handle[LC_COLLATE],
SORT_STRINGSORT | NORM_IGNORECASE,
_string1,
-1,
_string2,
-1,
_loc_update.GetLocaleT()->locinfo->lc_codepage)) )
{
errno = EINVAL;
return _NLSCMPERROR;
}
return (ret - 2);
}
/*
---------------------------------------
忽略大小写字符串比较
---------------------------------------
*/
static int
__wcsnicmp_ascii (
__CR_IN__ const wchar_t* string1,
__CR_IN__ const wchar_t* string2,
__CR_IN__ size_t count
)
{
wchar_t f, l;
int result = 0;
if (count) {
do {
f = __ascii_towlower(*string1);
l = __ascii_towlower(*string2);
string1++;
string2++;
} while ((--count) && f && (f == l));
result = (int)(f - l);
}
return (result);
}
//
// Compare string with wildcast ignore case.
//
int __cdecl __wcswicmp(const WCHAR *wild, const WCHAR *string)
{
const WCHAR *cp = NULL, *mp = NULL;
while ((*string) && (*wild != '*'))
{
if ((__ascii_towlower(*wild) != __ascii_towlower(*string)) && (*wild != '?'))
return 0;
wild++;
string++;
}
while (*string)
{
if (*wild == '*')
{
if (!*++wild)
return 1;
mp = wild;
cp = string+1;
}
else if ((__ascii_towlower(*wild) == __ascii_towlower(*string)) || (*wild == '?'))
{
wild++;
// cp = string+1; // '*' requires any symbol (*a != a)
cp = string; // '*' doesn't require a symbol (*a == a)
}
else
{
wild = mp;
string = cp++;
}
} // while (*string)
while (*wild == '*')
wild++;
return !*wild;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Compare string with wildcast ignore case.
//
int __cdecl __wcswicmp(const WCHAR *wild, const WCHAR *string)
{
const WCHAR *cp = NULL, *mp = NULL;
while ((*string) && (*wild != '*'))
{
if ((__ascii_towlower(*wild) != __ascii_towlower(*string)) && (*wild != '?'))
return 0;
wild++;
string++;
}
while (*string)
{
if (*wild == '*')
{
if (!*++wild)
return 1;
mp = wild;
cp = string+1;
}
else if ((__ascii_towlower(*wild) == __ascii_towlower(*string)) || (*wild == '?'))
{
wild++;
string++;
}
else
{
wild = mp;
string = cp++;
}
} // while (*string)
while (*wild == '*')
wild++;
return !*wild;
}
