A few changes for mingw port (not done yet)

luprex/cpp/drv/drvutil.cpp

@@ -9,6 +9,12 @@
 #include <string.h>
 #include <iostream>
 
+#if defined(_WIN32)
+#include <profileapi.h>
+#elif defined(__linux__)
+#include <time.h>
+#endif
+
 namespace drvutil {
 
 
@@ -198,7 +204,7 @@ void strerror_safe(int errnum, char errbuf[256]) {
     if (status != 0) {
         snprintf(errbuf, 256, "unknown errno %d", errnum);
     }
-);
+}
 
 #endif
 
@@ -252,7 +258,7 @@ std::string strerror_str(int errnum) {
             base_ = qpc();
         }
         double get() {
-            return (qpc() - base) * freq_;
+            return (qpc() - base_) * freq_;
         }
     };
 

luprex/cpp/drv/sslutil.cpp

@@ -87,12 +87,17 @@ std::string error_string() {
     }
 }
 
-std::string path_to_plain_ascii(const std::filesystem::path &path) {
-	std::string s = path.native();
-	for (char c : s) {
-		if ((c < 1) || (c > 127)) return "";
+// Make sure the path only contains printable ascii characters,
+// and no control characters or unicode characters.
+std::string path_to_plain_printable_ascii(const std::filesystem::path &path) {
+	auto s = path.native();
+    std::string result(' ', s.size());
+    for (int i = 0; i < int(s.size()); i++) {
+        auto c = s[i];
+        if ((c < 32) || (c > 126)) return "";
+        result[i] = c;
 	}
-	return s;
+	return result;
 }
 
 void clear_all_errors() {
@@ -170,7 +175,7 @@ void ctx_load_cert_from_directory(SSL_CTX *ctx, const std::string &dir) {
     std::vector<std::string> cert_paths;
 
     for (const auto & entry : std::filesystem::directory_iterator(dir)) {
-		std::string fn = path_to_plain_ascii(entry.path());
+		std::string fn = path_to_plain_printable_ascii(entry.path());
 		if (fn.empty()) {
 			std::cerr << "Ignoring file with non-ascii filename: " << entry.path() << std::endl;
 		} else {