linux下sprintf_s函数的替代
error code:
char buf[256]; sprintf_s(buf, 256, "predicted position:(%3d, %3d)", predict_pt.x, predict_pt.y); cv::putText(image, buf, cv::Point(10,30), CV_FONT_HERSHEY_SCRIPT_COMPLEX, 1, cv::Scalar(0,0,0), 1, 8); sprintf_s(buf, 256, "current position :(%3d, %3d)", mousePosition.x, mousePosition.y); cv::putText(image, buf, cv::Point(10,60), CV_FONT_HERSHEY_SCRIPT_COMPLEX, 1, cv::Scalar(0,0,0), 1, 8);
error discription:
‘sprintf_s’ was not declared in this scope sprintf_s(buf, 256, "predicted position:(%3d, %3d)", predict_pt.x, predict_pt.y);
windows平台下线程安全的格式化字符串函数sprint_s并非标准C函数,因此linux下无法使用,但可以使用snprintf函数代替。
right code:
char buf[256]; snprintf(buf, 256, "predicted position:(%3d, %3d)", predict_pt.x, predict_pt.y); cv::putText(image, buf, cv::Point(10,30), CV_FONT_HERSHEY_SCRIPT_COMPLEX, 1, cv::Scalar(0,0,0), 1, 8); snprintf(buf, 256, "current position :(%3d, %3d)", mousePosition.x, mousePosition.y); cv::putText(image, buf, cv::Point(10,60), CV_FONT_HERSHEY_SCRIPT_COMPLEX, 1, cv::Scalar(0,0,0), 1, 8);
Re:
End
各美其美,美美与共,不和他人作比较,不对他人有期待,不批判他人,不钻牛角尖。
心正意诚,做自己该做的事情,做自己喜欢做的事情,安静做一枚有思想的技术媛。
版权声明,转载请注明出处:https://www.cnblogs.com/happyamyhope/
心正意诚,做自己该做的事情,做自己喜欢做的事情,安静做一枚有思想的技术媛。
版权声明,转载请注明出处:https://www.cnblogs.com/happyamyhope/