Method cStringCaseEq

src/thundersvm/util/log.cpp:882–899

            }

            bool Str::cStringCaseEq(const char* s1, const char* s2) {
                if (s1 == nullptr && s2 == nullptr) return true;
                if (s1 == nullptr || s2 == nullptr) return false;

                // With thanks to cygwin for this code
                int d = 0;

                while (true) {
                    const int c1 = toupper(*s1++);
                    const int c2 = toupper(*s2++);

                    if (((d = c1 - c2) != 0) || (c2 == '\0')) {
                        break;
                    }
                }

                return d == 0;
            }

            bool Str::contains(const char* str, char c) {
                for (; *str; ++str) {