{"id":12128,"date":"2022-09-29T18:26:55","date_gmt":"2022-09-29T12:56:55","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-fix-segmentation-fault-error-when-instantiating-objects\/"},"modified":"2022-09-29T18:26:55","modified_gmt":"2022-09-29T12:56:55","slug":"solved-how-to-fix-segmentation-fault-error-when-instantiating-objects","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-fix-segmentation-fault-error-when-instantiating-objects\/","title":{"rendered":"[Solved] How to fix Segmentation Fault error when instantiating objects"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-54764113\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"54764113\" data-parentid=\"54763394\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>We don&#8217;t have the full details on your string class, so this is hard to reproduce.<\/p>\n<p>However, when you call <code>sensors[0] = sensor1;<\/code> you are copying your <code>Sensor<\/code>, but haven&#8217;t defined an assignment operator (or copy constructor for that matter).<\/p>\n<p>You also do this in the <code>Car<\/code> constructor with<\/p>\n<pre><code>(*(m_sensors + i)) = Sensor(*(sensors + i));\n<\/code><\/pre>\n<p>Now without the full details of your string class, I can give suggestions that might help.<\/p>\n<p>First, you are doing a lot of copying when you set up the senors.<\/p>\n<p>You can collapse this <\/p>\n<pre><code>Sensor sensors[3];\nSensor sensor1 = Sensor(type), sensor2 = Sensor(), sensor3 = \n       Sensor();\nsensors[0] = sensor1;\nsensors[1] = sensor2;\nsensors[2]= sensor3;\n<\/code><\/pre>\n<p>down to<\/p>\n<pre><code>    Sensor sensors[3]={{type}, {}, {}};\n<\/code><\/pre>\n<p>This might not solve the problem, but is less to look at.<\/p>\n<p>Next, remove the setters. You can use delegating constructors to tie the two you have together, and avoid these.<br \/>\nThis avoids some copies.<\/p>\n<p>Look very carefully at what gets deep or shallow copied.<\/p>\n<p>If you have two <code>char *<\/code> types,<\/p>\n<pre><code>char * word = \"Hello\";\nchar * another_word = word;\n<\/code><\/pre>\n<p>the second is a &#8220;shallow&#8221; copy. You need an equivalent of <code>strcpy<\/code> to actually make a different (&#8220;deep&#8221;) copy of the string.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to fix Segmentation Fault error when instantiating objects <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] We don&#8217;t have the full details on your string class, so this is hard to reproduce. However, when you call sensors[0] = sensor1; you are copying your Sensor, but haven&#8217;t defined an assignment operator (or copy constructor for that matter). You also do this in the Car constructor with (*(m_sensors + i)) = Sensor(*(sensors &#8230; <a title=\"[Solved] How to fix Segmentation Fault error when instantiating objects\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-fix-segmentation-fault-error-when-instantiating-objects\/\" aria-label=\"More on [Solved] How to fix Segmentation Fault error when instantiating objects\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,519],"class_list":["post-12128","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-class"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to fix Segmentation Fault error when instantiating objects - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-fix-segmentation-fault-error-when-instantiating-objects\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to fix Segmentation Fault error when instantiating objects - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] We don&#8217;t have the full details on your string class, so this is hard to reproduce. However, when you call sensors[0] = sensor1; you are copying your Sensor, but haven&#8217;t defined an assignment operator (or copy constructor for that matter). You also do this in the Car constructor with (*(m_sensors + i)) = Sensor(*(sensors ... 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However, when you call sensors[0] = sensor1; you are copying your Sensor, but haven&#8217;t defined an assignment operator (or copy constructor for that matter). You also do this in the Car constructor with (*(m_sensors + i)) = Sensor(*(sensors ... 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