{"id":18056,"date":"2022-10-28T22:46:11","date_gmt":"2022-10-28T17:16:11","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-memory-leak-in-struct-c-closed\/"},"modified":"2022-10-28T22:46:11","modified_gmt":"2022-10-28T17:16:11","slug":"solved-memory-leak-in-struct-c-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-memory-leak-in-struct-c-closed\/","title":{"rendered":"[Solved] Memory Leak in Struct C++ [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-15508799\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"15508799\" data-parentid=\"15508628\" data-score=\"0\" 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>First, your code won&#8217;t compile with the stray &#8220;struct&#8221; in there. Deleting that, we can answer your question: it depends how the parameter was allocated, but in any case you should only do it once.<\/p>\n<pre><code>int main()\n{\n    int a[]  = { 1, 1, 1 };\n    int i    = 42;\n    int* pi1 = &amp;i;\n    int* pi2 = new int[10];\n    int* pi3 = new int(42);\n    std::vector&lt;int&gt; v( 10 );\n    std::shared_ptr&lt;int&gt; sp( new int(42) );\n\n    int* r1 = ramp_output(a);\n    int* r2 = ramp_output(&amp;i);\n    int* r3 = ramp_output(pi1);\n    int* r4 = ramp_output(pi2);\n    int* r5 = ramp_output(pi3);\n    int* r6 = ramp_output(&amp;v[0]);\n    int* r7 = ramp_output(sp.get());\n\n    \/\/ what to dealloc? Only these\n    delete [] pi2; \/\/ or delete [] r4; but not both!\n    delete pi3;    \/\/ or delete    r5; but not both!\n}\n<\/code><\/pre>\n<p>All the others clean up after themselves one way or another.<\/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 Memory Leak in Struct C++ [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] First, your code won&#8217;t compile with the stray &#8220;struct&#8221; in there. Deleting that, we can answer your question: it depends how the parameter was allocated, but in any case you should only do it once. int main() { int a[] = { 1, 1, 1 }; int i = 42; int* pi1 = &amp;i; &#8230; <a title=\"[Solved] Memory Leak in Struct C++ [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-memory-leak-in-struct-c-closed\/\" aria-label=\"More on [Solved] Memory Leak in Struct C++ [closed]\">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":[324,912],"class_list":["post-18056","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-memory-leaks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Memory Leak in Struct C++ [closed] - 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-memory-leak-in-struct-c-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Memory Leak in Struct C++ [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] First, your code won&#8217;t compile with the stray &#8220;struct&#8221; in there. Deleting that, we can answer your question: it depends how the parameter was allocated, but in any case you should only do it once. int main() { int a[] = { 1, 1, 1 }; int i = 42; int* pi1 = &amp;i; ... 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