fix win build

Author: hedzr

libs/cmdr11/include/cmdr11/cmdr_chrono.hh

@@ -765,8 +765,16 @@ namespace cmdr::chrono {
     std::tm *tm;
     if (iom_::has(iom_::fmtflags::gmt_or_local))
       tm = std::gmtime(&tt);    // GMT (UTC)
-    else                        // if (iom_::has(iom_::fmtflags::local))
+    else {                   // if (iom_::has(iom_::fmtflags::local))
+#if defined(_WIN32) || defined(_WIN64)
+      std::tm tm1;
+      time_t now = time_t{0};
+      localtime_s(&tm1, &now);
+      tm = &tm1;
+#else
       tm = std::localtime(&tt); // Locale time-zone, usually UTC by default.
+#endif
+    }
     // else
     //     tm = std::gmtime(&tt); //GMT (UTC)
 

libs/cmdr11/include/cmdr11/cmdr_common.hh

@@ -1219,11 +1219,23 @@ namespace cmdr::util {
 namespace cmdr::util {
 
   inline std::string detect_shell_env() {
+#if defined(_WIN32) || defined(_WIN64)
+    char* buf = nullptr;
+    size_t sz = 0;
+    if (_dupenv_s(&buf, &sz, "SHELL") == 0 && buf != nullptr)
+    {
+      auto path = std::filesystem::path(buf);
+      auto ret = path.filename().string();
+      free(buf);
+      return ret;
+    }
+#else
     auto *str = std::getenv("SHELL");
     if (str != nullptr) {
       auto path = std::filesystem::path(str);
       return path.filename().string();
     }
+#endif
     return "unknown";
   }
 

libs/cmdr11/include/cmdr11/cmdr_string.hh

@@ -510,8 +510,18 @@ namespace cmdr::string {
       auto const &from     = match[0];
       auto const &th       = match[1];
       auto const &var_name = th.str();
+#if defined(_WIN32) || defined(_WIN64)
+      char* buf = nullptr;
+      size_t sz = 0;
+      if (_dupenv_s(&buf, &sz, var_name.c_str()) == 0 && buf != nullptr)
+      {
+        text.replace(from.first, from.second, buf);
+        free(buf);
+      }
+#else
       auto *ptr            = std::getenv(var_name.c_str());
       text.replace(from.first, from.second, ptr ? ptr : "");
+#endif
     }
     return text;
   }