- fix the opc_ua build on msvc

Author: adrpo

SimulationRuntime/c/util/omc_msvc.c

@@ -227,14 +227,15 @@ void* omc_dlopen(const char *filename, int flag)
 static const char* GetLastErrorAsString()
 {
   static char *str = NULL;
+  LPSTR messageBuffer = NULL;
+  size_t size = 0;
   //Get the error message, if any.
   DWORD errorMessageID = GetLastError();
   if (errorMessageID == 0) {
     return ""; //No error message has been recorded
   }
 
-  LPSTR messageBuffer = NULL;
-  size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+  size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                                NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
 
   if (str != NULL) {

SimulationRuntime/c/util/omc_msvc.h

@@ -125,16 +125,16 @@ void* omc_dlopen(const char *filename, int flag);
 char* omc_dlerror();
 void* omc_dlsym(void *handle, const char *symbol);
 int omc_dlclose(void *handle);
-static inline void* dlopen(const char *filename, int flag) {
+static OMC_INLINE void* dlopen(const char *filename, int flag) {
   return omc_dlopen(filename, flag);
 }
-static inline char* dlerror() {
+static OMC_INLINE char* dlerror() {
   return omc_dlerror();
 }
-static inline void* dlsym(void *handle, const char *symbol) {
+static OMC_INLINE void* dlsym(void *handle, const char *symbol) {
   return omc_dlsym(handle, symbol);
 }
-static inline int dlclose(void *handle) {
+static OMC_INLINE int dlclose(void *handle) {
   return omc_dlclose(handle);
 }
 #endif