+#if defined(HAVE_PWD_H) && defined(HAVE_UNISTD_H)
+ struct passwd pwd;
+ struct passwd* result = NULL;
+ char buffer[1024] = {'\0'};
+ uid_t uid = geteuid();
+ int pwuid_res = getpwuid_r(uid, &pwd, buffer, sizeof(buffer), &result);
+ if (pwuid_res == 0) {
+ g_my_user_name = pwd.pw_name;
+ } else {
+ snprintf(buffer, sizeof(buffer), "uid%d", uid);
+ g_my_user_name = buffer;
+ }
+#endif
+ if (g_my_user_name.empty()) {
+ g_my_user_name = "invalid-user";
+ }