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