windows-nt/Source/XPSP1/NT/admin/wmi/wbem/winmgmt/wbemcomn/strutils.h
2020-09-26 16:20:57 +08:00

170 lines
3.2 KiB
C

/*++
Copyright (C) 1999-2001 Microsoft Corporation
Module Name:
STRUTILS.H
Abstract:
String utilities
History:
--*/
#ifndef __WBEM_STRING_UTILS__H_
#define __WBEM_STRING_UTILS__H_
#pragma optimize("gt", on)
/*
inline int wbem_towlower(wint_t c)
{
if(c >= 0 && c <= 127)
{
if(c >= 'A' && c <= 'Z')
return c + ('a' - 'A');
else
return c;
}
else return towlower(c);
}
*/
#define wbem_towlower(C) \
(((C) >= 0 && (C) <= 127)? \
(((C) >= 'A' && (C) <= 'Z')? \
((C) + ('a' - 'A')): \
(C) \
): \
towlower(C) \
)
inline wchar_t wbem_towupper(wchar_t c)
{
if(c >= 0 && c <= 127)
{
if(c >= 'a' && c <= 'z')
return c + ('A' - 'a');
else
return c;
}
else return towupper(c);
}
inline int wbem_tolower(int c)
{
if(c >= 0 && c <= 127)
{
if(c >= 'A' && c <= 'Z')
return c + ('a' - 'A');
else
return c;
}
else return tolower(c);
}
inline int wbem_toupper(int c)
{
if(c >= 0 && c <= 127)
{
if(c >= 'a' && c <= 'z')
return c + ('A' - 'a');
else
return c;
}
else return toupper(c);
}
inline int wbem_wcsicmp( const wchar_t* wsz1, const wchar_t* wsz2)
{
while(*wsz1 || *wsz2)
{
int diff = wbem_towlower(*wsz1) - wbem_towlower(*wsz2);
if(diff) return diff;
wsz1++; wsz2++;
}
return 0;
}
inline int wbem_unaligned_wcsicmp( UNALIGNED const wchar_t* wsz1, UNALIGNED const wchar_t* wsz2)
{
while(*wsz1 || *wsz2)
{
int diff = wbem_towlower(*wsz1) - wbem_towlower(*wsz2);
if(diff) return diff;
wsz1++; wsz2++;
}
return 0;
}
// just like wcsicmp, but first 0 of unicode chracters have been omitted
inline int wbem_ncsicmp(const char* wsz1, const char* wsz2)
{
while(*wsz1 || *wsz2)
{
int diff = wbem_towlower((unsigned char)*wsz1) -
wbem_towlower((unsigned char)*wsz2);
if(diff) return diff;
wsz1++; wsz2++;
}
return 0;
}
inline int wbem_wcsnicmp( const wchar_t* wsz1, const wchar_t* wsz2, size_t n )
{
while(n-- && (*wsz1 || *wsz2))
{
int diff = wbem_towlower(*wsz1) - wbem_towlower(*wsz2);
if(diff) return diff;
wsz1++; wsz2++;
}
return 0;
}
inline int wbem_unaligned_wcsnicmp( UNALIGNED const wchar_t* wsz1, UNALIGNED const wchar_t* wsz2, size_t n )
{
while(n-- && (*wsz1 || *wsz2))
{
int diff = wbem_towlower(*wsz1) - wbem_towlower(*wsz2);
if(diff) return diff;
wsz1++; wsz2++;
}
return 0;
}
inline int wbem_stricmp(const char* sz1, const char* sz2)
{
while(*sz1 || *sz2)
{
int diff = wbem_tolower(*sz1) - wbem_tolower(*sz2);
if(diff) return diff;
sz1++; sz2++;
}
return 0;
}
inline int wbem_strnicmp(const char* sz1, const char* sz2, size_t n)
{
while(n-- && (*sz1 || *sz2))
{
int diff = wbem_tolower(*sz1) - wbem_tolower(*sz2);
if(diff) return diff;
sz1++; sz2++;
}
return 0;
}
#pragma optimize("", on)
#endif