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Diffstat (limited to 'Source/kwsys/String.c')
-rw-r--r-- | Source/kwsys/String.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Source/kwsys/String.c b/Source/kwsys/String.c new file mode 100644 index 0000000..daf7ad1 --- /dev/null +++ b/Source/kwsys/String.c @@ -0,0 +1,100 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing#kwsys for details. */ +#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 */ |