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101 lines
4.4 KiB
C
101 lines
4.4 KiB
C
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
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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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'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', '\010',
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'\011', '\012', '\013', '\014', '\015', '\016', '\017', '\020', '\021',
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'\022', '\023', '\024', '\025', '\026', '\027', '\030', '\031', '\032',
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'\033', '\034', '\035', '\036', '\037', '\040', '\041', '\042', '\043',
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'\044', '\045', '\046', '\047', '\050', '\051', '\052', '\053', '\054',
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'\055', '\056', '\057', '\060', '\061', '\062', '\063', '\064', '\065',
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'\066', '\067', '\070', '\071', '\072', '\073', '\074', '\075', '\076',
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'\077', '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', '\160',
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'\161', '\162', '\163', '\164', '\165', '\166', '\167', '\170', '\171',
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'\172', '\133', '\134', '\135', '\136', '\137', '\140', '\141', '\142',
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'\143', '\144', '\145', '\146', '\147', '\150', '\151', '\152', '\153',
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'\154', '\155', '\156', '\157', '\160', '\161', '\162', '\163', '\164',
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'\165', '\166', '\167', '\170', '\171', '\172', '\173', '\174', '\175',
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'\176', '\177', '\200', '\201', '\202', '\203', '\204', '\205', '\206',
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'\207', '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
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'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', '\230',
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'\231', '\232', '\233', '\234', '\235', '\236', '\237', '\240', '\241',
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'\242', '\243', '\244', '\245', '\246', '\247', '\250', '\251', '\252',
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'\253', '\254', '\255', '\256', '\257', '\260', '\261', '\262', '\263',
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'\264', '\265', '\266', '\267', '\270', '\271', '\272', '\273', '\274',
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'\275', '\276', '\277', '\300', '\301', '\302', '\303', '\304', '\305',
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'\306', '\307', '\310', '\311', '\312', '\313', '\314', '\315', '\316',
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'\317', '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
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'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337', '\340',
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'\341', '\342', '\343', '\344', '\345', '\346', '\347', '\350', '\351',
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'\352', '\353', '\354', '\355', '\356', '\357', '\360', '\361', '\362',
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'\363', '\364', '\365', '\366', '\367', '\370', '\371', '\372', '\373',
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'\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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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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--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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