118 lines
4.8 KiB
C
118 lines
4.8 KiB
C
/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifdef KWSYS_STRING_C
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/*
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All code in this source file is conditionally compiled to work-around
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template definition auto-search on VMS. Other source files in this
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directory that use the stl string cause the compiler to load this
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source to try to get the definition of the string template. This
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condition blocks the compiler from seeing the symbols defined here.
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*/
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#include "kwsysPrivate.h"
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#include KWSYS_HEADER(String.h)
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/* Work-around CMake dependency scanning limitation. This must
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duplicate the above list of headers. */
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#if 0
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# include "String.h.in"
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#endif
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/* Select an implementation for strcasecmp. */
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#if defined(_MSC_VER)
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# define KWSYS_STRING_USE_STRICMP
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# include <string.h>
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#elif defined(__GNUC__)
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# define KWSYS_STRING_USE_STRCASECMP
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# include <strings.h>
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#else
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/* Table to convert upper case letters to lower case and leave all
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other characters alone. */
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static char kwsysString_strcasecmp_tolower[] =
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{
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'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
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'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
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'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
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'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
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'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
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'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
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'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
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'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
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'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
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'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
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'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
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'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
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'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
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'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
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'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
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'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
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'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
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'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
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'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
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'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
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'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
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'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
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'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
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'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
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'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
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'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
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};
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#endif
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/*--------------------------------------------------------------------------*/
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int kwsysString_strcasecmp(const char* lhs, const char* rhs)
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{
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#if defined(KWSYS_STRING_USE_STRICMP)
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return _stricmp(lhs, rhs);
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#elif defined(KWSYS_STRING_USE_STRCASECMP)
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return strcasecmp(lhs, rhs);
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#else
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const char* const lower = kwsysString_strcasecmp_tolower;
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unsigned char const* us1 = (unsigned char const*)lhs;
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unsigned char const* us2 = (unsigned char const*)rhs;
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int result;
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while((result = lower[*us1] - lower[*us2++], result == 0) && *us1++)
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{
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}
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return result;
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#endif
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}
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/*--------------------------------------------------------------------------*/
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int kwsysString_strncasecmp(const char* lhs, const char* rhs, size_t n)
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{
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#if defined(KWSYS_STRING_USE_STRICMP)
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return _strnicmp(lhs, rhs, n);
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#elif defined(KWSYS_STRING_USE_STRCASECMP)
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return strncasecmp(lhs, rhs, n);
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#else
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const char* const lower = kwsysString_strcasecmp_tolower;
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unsigned char const* us1 = (unsigned char const*)lhs;
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unsigned char const* us2 = (unsigned char const*)rhs;
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int result = 0;
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while(n && (result = lower[*us1] - lower[*us2++], result == 0) && *us1++)
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{
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--n;
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}
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return result;
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#endif
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}
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#endif /* KWSYS_STRING_C */
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