Something went wrong. Try again.
Reactos
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106/****stricmp.cpp - contains case-insensitive string comp routine _stricmp** Copyright (c) Microsoft Corporation. All rights reserved.**Purpose:* contains _stricmp()********************************************************************************/#include <corecrt_internal.h>#include <ctype.h>#include <locale.h>#include <string.h>
#pragma warning(disable:__WARNING_POTENTIAL_BUFFER_OVERFLOW_NULLTERMINATED) // 26018 Prefast can't see that we are checking for terminal nul.
/****int _stricmp(lhs, rhs) - compare strings, ignore case**Purpose:* _stricmp/_strcmpi perform a case-insensitive string comparision.* For differences, upper case letters are mapped to lower case.* Thus, "abc_" < "ABCD" since "_" < "d".**Entry:* char *lhs, *rhs - strings to compare**Return:* Returns <0 if lhs < rhs* Returns 0 if lhs = rhs* Returns >0 if lhs > rhs* Returns _NLSCMPERROR if something went wrong**Exceptions:* Input parameters are validated. Refer to the validation section of the function.********************************************************************************/
extern "C" int __cdecl _stricmp_l ( char const * const lhs, char const * const rhs, _locale_t const plocinfo ){ /* 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;}
extern "C" int __cdecl __ascii_stricmp ( char const * const lhs, char const * const rhs ){ 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;}
extern "C" int __cdecl _stricmp ( char const * const lhs, char const * const rhs ){ 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);}