commit 2025-08-25 00:53 edit a bit ZCppMainTest/ZtCLoadXml_000.cpp

ZCppMain/ZMainHead.H

@@ -4383,6 +4383,45 @@ namespace ZNsCPP */
 
     -- 2013-06-23 19:34:00
 
+■  mingw 의 g++ 에서 아래 코드가 오류다.
+
+
+    #incldue<iostream>
+
+    using namespace std;
+
+    int Main(int AI_RrgCnt, const char* APP_ArgVal[]=0)
+    {
+        cout<<"Call Main()"<<endl;  return 0;
+    }
+
+    int main(int AI_RrgCnt, char* APP_ArgVal[]=0)
+    {
+        return Main(AI_RrgCnt, APP_ArgVal);
+    }
+
+
+    Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+    # g++ --version
+    g++.exe (Rev2, Built by MSYS2 project) 13.2.0
+    Copyright (C) 2023 Free Software Foundation, Inc.
+    This is free software; see the source for copying conditions.  There is NO
+    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+
+    Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+    #     g++.exe -o ZtCLoadXml_000_mw.exe   ZtCLoadXml_000.cpp -I../ -lWs2_32
+    ZtCLoadXml_000.cpp: In function 'int main(int, char**)':
+    ZtCLoadXml_000.cpp:171:42: error: invalid conversion from 'char**' to 'const char**' [-fpermissive]
+      171 |         ZtExamLoadXml<>::Main(AI_ArgCnt, APP_ArgVal);
+          |                                          ^~~~~~~~~~
+          |                                          |
+          |                                          char**
+    ZtCLoadXml_000.cpp:16:58: note:   initializing argument 2 of 'static int ZNsMain::ZNsExam::ZtExamLoadXml<TDymmy>::Main(int, const char**) [with TDymmy = void*]'
+       16 |             static int Main(int AI_ArgCnt=0, const char* APP_ArgVal[]=0)
+          |                                              ~~~~~~~~~~~~^~~~~~~~~~~~~~
+
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////*/
 
 

ZCppMainTest/ZtCLoadXml_000.cpp

@@ -13,6 +13,43 @@ namespace ZNsMain
         {
         public:
 
+
+/*  아래 Main() 함수 선언을 아래로 하면
+
+    static int Main(int AI_ArgCnt=0, const char* APP_ArgVal[]=0)
+
+mingw g++ 에서 희한하게 에러다.
+
+    Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+    # g++.exe -o ZtCLoadXml_000_mw.exe   ZtCLoadXml_000.cpp -I../ -lWs2_32
+    ZtCLoadXml_000.cpp: In function 'int main(int, char**)':
+    ZtCLoadXml_000.cpp:171:42: error: invalid conversion from 'char**' to 'const char**' [-fpermissive]
+      171 |         ZtExamLoadXml<>::Main(AI_ArgCnt, APP_ArgVal);
+          |                                          ^~~~~~~~~~
+          |                                          |
+          |                                          char**
+    ZtCLoadXml_000.cpp:16:58: note:   initializing argument 2 of 'static int ZNsMain::ZNsExam::ZtExamLoadXml<TDymmy>::Main(int, const char**) [with TDymmy = void*]'
+       16 |             static int Main(int AI_ArgCnt=0, const char* APP_ArgVal[]=0)
+          |                                              ~~~~~~~~~~~~^~~~~~~~~~~~~~
+
+
+아래 코드는 또 컴파일 에러가 없다.
+
+    #include<iostream>
+
+    using namespace std;
+
+    int Main(int AI_RrgCnt, const char* APP_ArgVal[]=0)
+    {
+        cout<<"Call Main()"<<endl;  return 0;
+    }
+
+    int main(int AI_RrgCnt, char* APP_ArgVal[]=0)
+    {
+        return Main(AI_RrgCnt, APP_ArgVal);
+    }
+
+*/
             static int Main(int AI_ArgCnt=0, char* APP_ArgVal[]=0)
             {
                 typedef ZNsMain::ZtCStringBase<char>   ZCStringData   ;