/*** *strcoll.c - Collate locale strings * * Copyright (c) 1988-2001, Microsoft Corporation. All rights reserved. * *Purpose: * Compare two strings using the locale LC_COLLATE information. * *Revision History: * 03-21-89 JCR Module created. * 06-20-89 JCR Removed _LOAD_DGROUP code * 02-27-90 GJF Fixed calling type, #include , fixed * copyright. * 10-01-90 GJF New-style function declarator. * 10-01-91 ETC Non-C locale support under _INTL switch. * 12-09-91 ETC Updated api; added multithread. * 08-19-92 KRS Activate NLS support. * 09-02-92 SRW Get _INTL definition via ..\crt32.def * 12-16-92 KRS Optimize for CompareStringW by using -1 for string len. * 04-06-93 SKS Replace _CRTAPI* with __cdecl * 04-14-93 CFW Error sets errno, cleanup. * 06-02-93 SRW ignore _INTL if _NTSUBSET_ defined. * 09-15-93 CFW Use ANSI conformant "__" names. * 09-22-93 CFW Use __crtxxx internal NLS API wrapper. * 09-29-93 GJF Merged NT SDK and Cuda versions. * 11-09-93 CFW Use LC_COLLATE code page for __crtxxx() conversion. * 04-11-93 CFW Change NLSCMPERROR to _NLCMPERROR. * 09-06-94 CFW Remove _INTL switch. * 10-24-94 GJF Sped up C locale, multi-thread case. * 12-29-94 CFW Merge non-Win32. * 09-26-95 GJF New locking macro, and scheme, for functions which * reference the locale. * 10-30-95 GJF Specify SORT_STRINGSORT to CompareString. * 07-16-96 SKS Added missing call to _unlock_locale() * 11-24-97 GJF Removed bogus codepage determination. * 01-12-98 GJF Use _lc_collate_cp codepage. * 08-10-98 GJF Revised multithread support based on threadlocinfo * struct. * 05-17-99 PML Remove all Macintosh support. * *******************************************************************************/ #include #include #include #include #include #include #include #include #include #include /*** *int strcoll() - Collate locale strings * *Purpose: * Compare two strings using the locale LC_COLLATE information. * [ANSI]. * * Non-C locale support available under _INTL switch. * In the C locale, strcoll() simply resolves to strcmp(). *Entry: * const char *s1 = pointer to the first string * const char *s2 = pointer to the second string * *Exit: * Less than 0 = first string less than second string * 0 = strings are equal * Greater than 0 = first string greater than second string * *Exceptions: * _NLSCMPERROR = error * errno = EINVAL * *******************************************************************************/ int __cdecl strcoll ( const char *_string1, const char *_string2 ) { #if !defined(_NTSUBSET_) int ret; #ifdef _MT pthreadlocinfo ptloci = _getptd()->ptlocinfo; if ( ptloci != __ptlocinfo ) ptloci = __updatetlocinfo(); if ( ptloci->lc_handle[LC_COLLATE] == _CLOCALEHANDLE ) #endif if ( __lc_handle[LC_COLLATE] == _CLOCALEHANDLE ) return strcmp(_string1, _string2); #ifdef _MT if ( 0 == (ret = __crtCompareStringA( ptloci->lc_handle[LC_COLLATE], #else if ( 0 == (ret = __crtCompareStringA( __lc_handle[LC_COLLATE], #endif SORT_STRINGSORT, _string1, -1, _string2, -1, #ifdef _MT ptloci->lc_collate_cp )) ) #else __lc_collate_cp )) ) #endif { errno = EINVAL; return _NLSCMPERROR; } return (ret - 2); #else return strcmp(_string1,_string2); #endif }