CONPY-189: Windows build fix for Visual Studio 2022

- Build parameters are now written to config_win.h instead of passing
  them as command line parameters
- Fixed several compiler warnings

Author: 9EOR9

include/mariadb_python.h

@@ -32,6 +32,7 @@
 #include <limits.h>
 
 #if defined(_WIN32)
+#include <config_win.h>
 #include <windows.h>
 #ifdef _MSC_VER
 typedef SSIZE_T ssize_t;

mariadb/mariadb_codecs.c

@@ -392,10 +392,10 @@ static PyObject *Mrdb_GetTimeDelta(MYSQL_TIME *tm)
 {
     int days, hour, minute, second, second_part;
 
-    hour= (tm->neg) ? -tm->hour : tm->hour;
-    minute= (tm->neg) ? -tm->minute : tm->minute;
-    second= (tm->neg) ? -tm->second : tm->second;
-    second_part= (tm->neg) ? -tm->second_part : tm->second_part;
+    hour= (tm->neg) ? -1 * tm->hour : tm->hour;
+    minute= (tm->neg) ? -1 * tm->minute : tm->minute;
+    second= (tm->neg) ? -1 * tm->second : tm->second;
+    second_part= (tm->neg) ? -1 * tm->second_part : tm->second_part;
 
     days= hour / 24;
     hour= hour % 24;
@@ -1432,7 +1432,7 @@ int clock_gettime(int dummy, struct timespec *ct)
     }
 
     ct->tv_sec = count.QuadPart / g_counts_per_sec.QuadPart;
-    ct->tv_nsec = ((count.QuadPart % g_counts_per_sec.QuadPart) * 1E09) / g_counts_per_sec.QuadPart;
+    ct->tv_nsec = (long)(((count.QuadPart % g_counts_per_sec.QuadPart) * 1E09) / g_counts_per_sec.QuadPart);
 
     return 0;
 }

mariadb/mariadb_connection.c

@@ -312,7 +312,7 @@ MrdbConnection_Initialize(MrdbConnection *self,
     }
 
     self->thread_id= mysql_thread_id(self->mysql);
-    mariadb_get_infov(self->mysql, MARIADB_CONNECTION_HOST, &self->host);
+    mariadb_get_infov(self->mysql, MARIADB_CONNECTION_HOST, (void *)&self->host);
 
     has_error= 0;
 end:
@@ -465,7 +465,7 @@ MrdbConnection_executecommand(MrdbConnection *self,
     return NULL;
 
   Py_BEGIN_ALLOW_THREADS;
-  rc= mysql_send_query(self->mysql, cmd, strlen(cmd));
+  rc= mysql_send_query(self->mysql, cmd, (long)strlen(cmd));
   Py_END_ALLOW_THREADS;
 
   if (rc)

mariadb/mariadb_cursor.c

@@ -1102,7 +1102,7 @@ MrdbCursor_execute_text(MrdbCursor *self, PyObject *args)
     db= self->connection->mysql;
 
     Py_BEGIN_ALLOW_THREADS;
-    rc= mysql_send_query(db, statement, statement_len);
+    rc= mysql_send_query(db, statement, (long)statement_len);
     Py_END_ALLOW_THREADS;
 
     if (rc)

mariadb_windows.py

@@ -61,5 +61,9 @@ def get_config(options):
     else:
         print("dynamic")
     cfg.extra_link_args= ["/NODEFAULTLIB:LIBCMT"]
-    cfg.extra_compile_args=["\"-DDEFAULT_PLUGINS_SUBDIR=\\\"\"" + options["install_dir"].replace(""'\\', '/') + "/lib/plugin\"\\\"\"", "/MD"]
+    cfg.extra_compile_args=["/MD"]
+
+    f= open("./include/config_win.h", "w")
+    f.write("#define DEFAULT_PLUGINS_SUBDIR \"%s\\\\lib\\\\plugin\"" % options["install_dir"].replace(""'\\', '\\\\'))
+    f.close()
     return cfg