utils: Convert Windows args to utf-8 string

src/pivx-cli.cpp

@@ -14,6 +14,7 @@
 #include "utilstrencodings.h"
 
 #include <stdio.h>
+#include <tuple>
 
 #include <event2/event.h>
 #include <event2/http.h>
@@ -324,6 +325,10 @@ int CommandLineRPC(int argc, char* argv[])
 
 int main(int argc, char* argv[])
 {
+#ifdef WIN32
+    util::WinCmdLineArgs winArgs;
+    std::tie(argc, argv) = winArgs.get();
+#endif
     SetupEnvironment();
     if (!SetupNetworking()) {
         fprintf(stderr, "Error: Initializing networking failed\n");

src/pivxd.cpp

@@ -170,6 +170,10 @@ bool AppInit(int argc, char* argv[])
 
 int main(int argc, char* argv[])
 {
+#ifdef WIN32
+    util::WinCmdLineArgs winArgs;
+    std::tie(argc, argv) = winArgs.get();
+#endif
     SetupEnvironment();
 
     // Connect pivxd signal handlers

src/qt/pivx.cpp

@@ -545,6 +545,10 @@ WId BitcoinApplication::getMainWinId() const
 #ifndef BITCOIN_QT_TEST
 int main(int argc, char* argv[])
 {
+#ifdef WIN32
+    util::WinCmdLineArgs winArgs;
+    std::tie(argc, argv) = winArgs.get();
+#endif
     SetupEnvironment();
 
     /// 1. Parse command-line options. These take precedence over anything else.

src/util/system.cpp

@@ -66,6 +66,7 @@
 #include <codecvt>
 
 #include <io.h> /* for _commit */
+#include <shellapi.h>
 #include <shlobj.h>
 #endif
 
@@ -1066,6 +1067,10 @@ void SetupEnvironment()
     } catch (const std::runtime_error&) {
         setenv("LC_ALL", "C", 1);
     }
+#elif defined(WIN32)
+    // Set the default input/output charset is utf-8
+    SetConsoleCP(CP_UTF8);
+    SetConsoleOutputCP(CP_UTF8);
 #endif
     // The path locale is lazy initialized and to avoid deinitialization errors
     // in multithreading environments, it is set explicitly by the main thread.
@@ -1123,3 +1128,31 @@ int ScheduleBatchPriority(void)
     return 1;
 #endif
 }
+
+namespace util {
+#ifdef WIN32
+    WinCmdLineArgs::WinCmdLineArgs()
+{
+    wchar_t** wargv = CommandLineToArgvW(GetCommandLineW(), &argc);
+    std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> utf8_cvt;
+    argv = new char*[argc];
+    args.resize(argc);
+    for (int i = 0; i < argc; i++) {
+        args[i] = utf8_cvt.to_bytes(wargv[i]);
+        argv[i] = &*args[i].begin();
+    }
+    LocalFree(wargv);
+}
+
+WinCmdLineArgs::~WinCmdLineArgs()
+{
+    delete[] argv;
+}
+
+std::pair<int, char**> WinCmdLineArgs::get()
+{
+    return std::make_pair(argc, argv);
+}
+#endif
+} // namespace util
+

src/util/system.h

@@ -32,6 +32,7 @@
 #include <stdint.h>
 #include <string>
 #include <unordered_set>
+#include <utility>
 #include <vector>
 
 #include <boost/signals2/signal.hpp>
@@ -301,4 +302,23 @@ fs::path AbsPathForConfigVal(const fs::path& path, bool net_specific = true);
  */
 int ScheduleBatchPriority(void);
 
+namespace util {
+
+#ifdef WIN32
+class WinCmdLineArgs
+{
+public:
+    WinCmdLineArgs();
+    ~WinCmdLineArgs();
+    std::pair<int, char**> get();
+
+private:
+    int argc;
+    char** argv;
+    std::vector<std::string> args;
+};
+#endif
+
+} // namespace util
+
 #endif // BITCOIN_UTIL_SYSTEM_H

test/functional/feature_uacomment.py

@@ -30,7 +30,7 @@ def run_test(self):
         self.nodes[0].assert_start_raises_init_error(["-uacomment=" + 'a' * 256], expected, match=ErrorMatch.FULL_REGEX)
 
         self.log.info("test -uacomment unsafe characters")
-        for unsafe_char in ['/', ':', '(', ')']:
+        for unsafe_char in ['/', ':', '(', ')', '₿', '🏃']:
             expected = r"Error: User Agent comment \(" + re.escape(unsafe_char) + r"\) contains unsafe characters."
             self.nodes[0].assert_start_raises_init_error(["-uacomment=" + unsafe_char], expected, match=ErrorMatch.FULL_REGEX)