fix getting command args

gframe/gframe.cpp

@@ -63,9 +63,57 @@ int main(int argc, char* argv[]) {
 	wchar_t* command = GetCommandLineW();
 	char buffer[2048];
 	BufferIO::EncodeUTF8(command, buffer);
-	argv[0] = strtok(buffer, " ");
-	for(int i = 1; i < argc; ++i)
-		argv[i] = strtok(NULL, " ");
+	char* p = buffer;
+	argc = 0;
+	int j = 0;
+	bool in_QM = false, in_TEXT = false, in_SPACE = true;
+	while(*p) {
+		if(in_QM) {
+			if(*p == '\"')
+				in_QM = false;
+			else
+				++j;
+		} else {
+			switch(*p) {
+			case '\"': {
+				in_QM = true;
+				in_TEXT = true;
+				if(in_SPACE) {
+					argv[argc] = p + 1;
+					j = 0;
+				}
+				in_SPACE = FALSE;
+				break;
+			}
+			case ' ':
+			case '\t':
+			case '\n':
+			case '\r': {
+				if(in_TEXT) {
+					argv[argc][j] = '\0';
+					++argc;
+				}
+				in_TEXT = FALSE;
+				in_SPACE = TRUE;
+				break;
+			}
+			default: {
+				in_TEXT = TRUE;
+				if(in_SPACE) {
+					argv[argc] = p;
+					j = 1;
+				} else
+					++j;
+				in_SPACE = FALSE;
+				break;
+			}
+			}
+		}
+		++p;
+	}
+	argv[argc][j] = '\0';
+	++argc;
+	argv[argc] = NULL;
 #endif // _WIN32
 
 	bool keep_on_return = false;