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Diffstat (limited to 'Source/kwsys/String.c')
-rw-r--r-- | Source/kwsys/String.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/Source/kwsys/String.c b/Source/kwsys/String.c new file mode 100644 index 0000000..ed4a6c5 --- /dev/null +++ b/Source/kwsys/String.c @@ -0,0 +1,115 @@ +/*============================================================================ + KWSys - Kitware System Library + Copyright 2000-2009 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#ifdef KWSYS_STRING_C +/* +All code in this source file is conditionally compiled to work-around +template definition auto-search on VMS. Other source files in this +directory that use the stl string cause the compiler to load this +source to try to get the definition of the string template. This +condition blocks the compiler from seeing the symbols defined here. +*/ +#include "kwsysPrivate.h" +#include KWSYS_HEADER(String.h) + +/* Work-around CMake dependency scanning limitation. This must + duplicate the above list of headers. */ +#if 0 +# include "String.h.in" +#endif + +/* Select an implementation for strcasecmp. */ +#if defined(_MSC_VER) +# define KWSYS_STRING_USE_STRICMP +# include <string.h> +#elif defined(__GNUC__) +# define KWSYS_STRING_USE_STRCASECMP +# include <strings.h> +#else +/* Table to convert upper case letters to lower case and leave all + other characters alone. */ +static char kwsysString_strcasecmp_tolower[] = +{ + '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', + '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017', + '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027', + '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037', + '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047', + '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057', + '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067', + '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077', + '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137', + '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177', + '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207', + '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217', + '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', + '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237', + '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247', + '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257', + '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267', + '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277', + '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307', + '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317', + '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327', + '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337', + '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', + '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', + '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', + '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377' +}; +#endif + +/*--------------------------------------------------------------------------*/ +int kwsysString_strcasecmp(const char* lhs, const char* rhs) +{ +#if defined(KWSYS_STRING_USE_STRICMP) + return _stricmp(lhs, rhs); +#elif defined(KWSYS_STRING_USE_STRCASECMP) + return strcasecmp(lhs, rhs); +#else + const char* const lower = kwsysString_strcasecmp_tolower; + unsigned char const* us1 = (unsigned char const*)lhs; + unsigned char const* us2 = (unsigned char const*)rhs; + int result; + while((result = lower[*us1] - lower[*us2++], result == 0) && *us1++) + { + } + return result; +#endif +} + +/*--------------------------------------------------------------------------*/ +int kwsysString_strncasecmp(const char* lhs, const char* rhs, size_t n) +{ +#if defined(KWSYS_STRING_USE_STRICMP) + return _strnicmp(lhs, rhs, n); +#elif defined(KWSYS_STRING_USE_STRCASECMP) + return strncasecmp(lhs, rhs, n); +#else + const char* const lower = kwsysString_strcasecmp_tolower; + unsigned char const* us1 = (unsigned char const*)lhs; + unsigned char const* us2 = (unsigned char const*)rhs; + int result = 0; + while(n && (result = lower[*us1] - lower[*us2++], result == 0) && *us1++) + { + --n; + } + return result; +#endif +} + +#endif /* KWSYS_STRING_C */ |