stricmp.cpp File Reference

#include <corecrt_internal.h>
#include <ctype.h>
#include <locale.h>
#include <string.h>

Include dependency graph for stricmp.cpp:

Go to the source code of this file.

Functions
int __cdecl	_stricmp_l (char const *const lhs, char const *const rhs, _locale_t const plocinfo)
int __cdecl	__ascii_stricmp (char const *const lhs, char const *const rhs)
int __cdecl	_stricmp (char const *const lhs, char const *const rhs)

Function Documentation

__ascii_stricmp()

int __cdecl __ascii_stricmp	(	char const *const	lhs,
		char const *const	rhs
	)

Definition at line 68 of file stricmp.cpp.

{
    unsigned char const * lhs_ptr = reinterpret_cast<unsigned char const *>(lhs);
    unsigned char const * rhs_ptr = reinterpret_cast<unsigned char const *>(rhs);
 
    int result;
    int lhs_value;
    int rhs_value;
    do
    {
        lhs_value = __ascii_tolower(*lhs_ptr++);
        rhs_value = __ascii_tolower(*rhs_ptr++);
        result = lhs_value - rhs_value;
    }
    while (result == 0 && lhs_value != 0);
 
    return result;
}

Referenced by _stricmp().

_stricmp()

int __cdecl _stricmp	(	char const *const	lhs,
		char const *const	rhs
	)

Definition at line 90 of file stricmp.cpp.

{
    if (!__acrt_locale_changed())
    {
        /* validation section */
        _VALIDATE_RETURN(lhs != nullptr, EINVAL, _NLSCMPERROR);
        _VALIDATE_RETURN(rhs != nullptr, EINVAL, _NLSCMPERROR);
 
        return __ascii_stricmp(lhs, rhs);
    }
 
    return _stricmp_l(lhs, rhs, nullptr);
}

_stricmp_l()

int __cdecl _stricmp_l	(	char const *const	lhs,
		char const *const	rhs,
		_locale_t const	plocinfo
	)

Definition at line 39 of file stricmp.cpp.

{
    /* validation section */
    _VALIDATE_RETURN(lhs != nullptr, EINVAL, _NLSCMPERROR);
    _VALIDATE_RETURN(rhs != nullptr, EINVAL, _NLSCMPERROR);
 
    unsigned char const * lhs_ptr = reinterpret_cast<unsigned char const *>(lhs);
    unsigned char const * rhs_ptr = reinterpret_cast<unsigned char const *>(rhs);
 
    _LocaleUpdate _loc_update(plocinfo);
 
    int result;
    int lhs_value;
    int rhs_value;
    do
    {
        lhs_value = _tolower_fast_internal(*lhs_ptr++, _loc_update.GetLocaleT());
        rhs_value = _tolower_fast_internal(*rhs_ptr++, _loc_update.GetLocaleT());
        result = lhs_value - rhs_value;
    }
    while (result == 0 && lhs_value != 0);
 
    return result;
}

Referenced by _stricmp().