Merge branch 'sk/mingw-main'

* sk/mingw-main:
  mingw: avoid const warning
  Win32: move main macro to a function

compat/mingw.c

@@ -1847,3 +1847,18 @@ int mingw_offset_1st_component(const char *path)
 
 	return offset + is_dir_sep(path[offset]);
 }
+
+void mingw_startup()
+{
+	/* copy executable name to argv[0] */
+	__argv[0] = xstrdup(_pgmptr);
+
+	/* initialize critical section for waitpid pinfo_t list */
+	InitializeCriticalSection(&pinfo_cs);
+
+	/* set up default file mode and file modes for stdin/out/err */
+	_fmode = _O_BINARY;
+	_setmode(_fileno(stdin), _O_BINARY);
+	_setmode(_fileno(stdout), _O_BINARY);
+	_setmode(_fileno(stderr), _O_BINARY);
+}

compat/mingw.h

@@ -363,22 +363,16 @@ void free_environ(char **env);
 extern CRITICAL_SECTION pinfo_cs;
 
 /*
- * A replacement of main() that ensures that argv[0] has a path
- * and that default fmode and std(in|out|err) are in binary mode
+ * A replacement of main() that adds win32 specific initialization.
  */
 
+void mingw_startup();
 #define main(c,v) dummy_decl_mingw_main(); \
 static int mingw_main(c,v); \
 int main(int argc, char **argv) \
 { \
-	extern CRITICAL_SECTION pinfo_cs; \
-	_fmode = _O_BINARY; \
-	_setmode(_fileno(stdin), _O_BINARY); \
-	_setmode(_fileno(stdout), _O_BINARY); \
-	_setmode(_fileno(stderr), _O_BINARY); \
-	argv[0] = xstrdup(_pgmptr); \
-	InitializeCriticalSection(&pinfo_cs); \
-	return mingw_main(argc, argv); \
+	mingw_startup(); \
+	return mingw_main(__argc, (void *)__argv); \
 } \
 static int mingw_main(c,v)