{"id":11125,"date":"2022-09-26T05:04:43","date_gmt":"2022-09-25T23:34:43","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-cpp-i-am-getting-segmentation-fault-core-dumped\/"},"modified":"2022-09-26T05:04:43","modified_gmt":"2022-09-25T23:34:43","slug":"solved-cpp-i-am-getting-segmentation-fault-core-dumped","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-cpp-i-am-getting-segmentation-fault-core-dumped\/","title":{"rendered":"[Solved] CPP- I am getting Segmentation fault (core dumped)?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-39075606\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"39075606\" data-parentid=\"39075393\" data-score=\"3\" 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>That&#8217;s why there are debug tools like gdb (just google for it \ud83d\ude09 ).<\/p>\n<p>This is the backtrace:<\/p>\n<pre><code>#0  0x00000000004009ba in node::setnext (this=0x0, x=0x614cc0) at a.cpp:25\n#1  0x0000000000400c18 in list::insertend (this=0x7fffffffdf10, x=45) at a.cpp:109\n#2  0x00000000004008df in main () at a.cpp:137\n<\/code><\/pre>\n<p>that means in line 137 there is a function call (<code>l.insertend(45)<\/code>), then in line 109, there is the next function call (<code>temp1-&gt;setnext(temp2)<\/code>) and the segfault occurs on line 25 (<code>next = x<\/code>). This is because the node is not initialised (temp1 is 0 in line 109).<\/p>\n<p>Your while-loop is the problem, if you change is to something like this:<\/p>\n<pre><code>while (temp1-&gt;getnext() != 0)\n    temp1 = temp1-&gt;getnext();\n<\/code><\/pre>\n<p>This will solve your first issue, but you will get another segfault \ud83d\ude09<br \/>\nTry to solve it on your own with the tools provided. If you still need help, please leave a comment and I will post the answer.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved CPP- I am getting Segmentation fault (core dumped)? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] That&#8217;s why there are debug tools like gdb (just google for it \ud83d\ude09 ). This is the backtrace: #0 0x00000000004009ba in node::setnext (this=0x0, x=0x614cc0) at a.cpp:25 #1 0x0000000000400c18 in list::insertend (this=0x7fffffffdf10, x=45) at a.cpp:109 #2 0x00000000004008df in main () at a.cpp:137 that means in line 137 there is a function call (l.insertend(45)), then in &#8230; <a title=\"[Solved] CPP- I am getting Segmentation fault (core dumped)?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-cpp-i-am-getting-segmentation-fault-core-dumped\/\" aria-label=\"More on [Solved] CPP- I am getting Segmentation fault (core dumped)?\">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":[324,1402,1187],"class_list":["post-11125","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-linked-list","tag-segmentation-fault"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] CPP- I am getting Segmentation fault (core dumped)? - 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-cpp-i-am-getting-segmentation-fault-core-dumped\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] CPP- I am getting Segmentation fault (core dumped)? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] That&#8217;s why there are debug tools like gdb (just google for it \ud83d\ude09 ). This is the backtrace: #0 0x00000000004009ba in node::setnext (this=0x0, x=0x614cc0) at a.cpp:25 #1 0x0000000000400c18 in list::insertend (this=0x7fffffffdf10, x=45) at a.cpp:109 #2 0x00000000004008df in main () at a.cpp:137 that means in line 137 there is a function call (l.insertend(45)), then in ... 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- JassWeb","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jassweb.com\/solved\/solved-cpp-i-am-getting-segmentation-fault-core-dumped\/","og_locale":"en_US","og_type":"article","og_title":"[Solved] CPP- I am getting Segmentation fault (core dumped)? - JassWeb","og_description":"[ad_1] That&#8217;s why there are debug tools like gdb (just google for it \ud83d\ude09 ). This is the backtrace: #0 0x00000000004009ba in node::setnext (this=0x0, x=0x614cc0) at a.cpp:25 #1 0x0000000000400c18 in list::insertend (this=0x7fffffffdf10, x=45) at a.cpp:109 #2 0x00000000004008df in main () at a.cpp:137 that means in line 137 there is a function call (l.insertend(45)), then in ... 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