Function setenv

src/utilities/core/test/ApplicationPathHelpers_GTest.cpp:27–34

A wrapper to implement setenv on Windows like on Unix, using _putenv internally

// A wrapper to implement setenv on Windows like on Unix, using _putenv internally
int setenv(const char* name, const char* value, int overwrite) {
  if (!overwrite) {
    size_t envsize = 0;
    int errcode = getenv_s(&envsize, NULL, 0, name);
    if (errcode || envsize) return errcode;
  }
  return _putenv_s(name, value);
}

void unsetenv(const char* name) {
  _putenv_s(name, "");