1 /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
3 #ifdef KWSYS_STRING_C
4 /*
5 All code in this source file is conditionally compiled to work-around
6 template definition auto-search on VMS. Other source files in this
7 directory that use the stl string cause the compiler to load this
8 source to try to get the definition of the string template. This
9 condition blocks the compiler from seeing the symbols defined here.
10 */
11 # include "kwsysPrivate.h"
12 # include KWSYS_HEADER(String.h)
13
14 /* Work-around CMake dependency scanning limitation. This must
15 duplicate the above list of headers. */
16 # if 0
17 # include "String.h.in"
18 # endif
19
20 /* Select an implementation for strcasecmp. */
21 # if defined(_MSC_VER)
22 # define KWSYS_STRING_USE_STRICMP
23 # include <string.h>
24 # elif defined(__GNUC__)
25 # define KWSYS_STRING_USE_STRCASECMP
26 # include <strings.h>
27 # else
28 /* Table to convert upper case letters to lower case and leave all
29 other characters alone. */
30 static char kwsysString_strcasecmp_tolower[] = {
31 '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', '\010',
32 '\011', '\012', '\013', '\014', '\015', '\016', '\017', '\020', '\021',
33 '\022', '\023', '\024', '\025', '\026', '\027', '\030', '\031', '\032',
34 '\033', '\034', '\035', '\036', '\037', '\040', '\041', '\042', '\043',
35 '\044', '\045', '\046', '\047', '\050', '\051', '\052', '\053', '\054',
36 '\055', '\056', '\057', '\060', '\061', '\062', '\063', '\064', '\065',
37 '\066', '\067', '\070', '\071', '\072', '\073', '\074', '\075', '\076',
38 '\077', '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
39 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', '\160',
40 '\161', '\162', '\163', '\164', '\165', '\166', '\167', '\170', '\171',
41 '\172', '\133', '\134', '\135', '\136', '\137', '\140', '\141', '\142',
42 '\143', '\144', '\145', '\146', '\147', '\150', '\151', '\152', '\153',
43 '\154', '\155', '\156', '\157', '\160', '\161', '\162', '\163', '\164',
44 '\165', '\166', '\167', '\170', '\171', '\172', '\173', '\174', '\175',
45 '\176', '\177', '\200', '\201', '\202', '\203', '\204', '\205', '\206',
46 '\207', '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
47 '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', '\230',
48 '\231', '\232', '\233', '\234', '\235', '\236', '\237', '\240', '\241',
49 '\242', '\243', '\244', '\245', '\246', '\247', '\250', '\251', '\252',
50 '\253', '\254', '\255', '\256', '\257', '\260', '\261', '\262', '\263',
51 '\264', '\265', '\266', '\267', '\270', '\271', '\272', '\273', '\274',
52 '\275', '\276', '\277', '\300', '\301', '\302', '\303', '\304', '\305',
53 '\306', '\307', '\310', '\311', '\312', '\313', '\314', '\315', '\316',
54 '\317', '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
55 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337', '\340',
56 '\341', '\342', '\343', '\344', '\345', '\346', '\347', '\350', '\351',
57 '\352', '\353', '\354', '\355', '\356', '\357', '\360', '\361', '\362',
58 '\363', '\364', '\365', '\366', '\367', '\370', '\371', '\372', '\373',
59 '\374', '\375', '\376', '\377'
60 };
61 # endif
62
63 /*--------------------------------------------------------------------------*/
kwsysString_strcasecmp(const char * lhs,const char * rhs)64 int kwsysString_strcasecmp(const char* lhs, const char* rhs)
65 {
66 # if defined(KWSYS_STRING_USE_STRICMP)
67 return _stricmp(lhs, rhs);
68 # elif defined(KWSYS_STRING_USE_STRCASECMP)
69 return strcasecmp(lhs, rhs);
70 # else
71 const char* const lower = kwsysString_strcasecmp_tolower;
72 unsigned char const* us1 = (unsigned char const*)lhs;
73 unsigned char const* us2 = (unsigned char const*)rhs;
74 int result;
75 while ((result = lower[*us1] - lower[*us2++], result == 0) && *us1++) {
76 }
77 return result;
78 # endif
79 }
80
81 /*--------------------------------------------------------------------------*/
kwsysString_strncasecmp(const char * lhs,const char * rhs,size_t n)82 int kwsysString_strncasecmp(const char* lhs, const char* rhs, size_t n)
83 {
84 # if defined(KWSYS_STRING_USE_STRICMP)
85 return _strnicmp(lhs, rhs, n);
86 # elif defined(KWSYS_STRING_USE_STRCASECMP)
87 return strncasecmp(lhs, rhs, n);
88 # else
89 const char* const lower = kwsysString_strcasecmp_tolower;
90 unsigned char const* us1 = (unsigned char const*)lhs;
91 unsigned char const* us2 = (unsigned char const*)rhs;
92 int result = 0;
93 while (n && (result = lower[*us1] - lower[*us2++], result == 0) && *us1++) {
94 --n;
95 }
96 return result;
97 # endif
98 }
99
100 #endif /* KWSYS_STRING_C */
101