--- title: Deriving a Bit-Twiddling Hack: Signed Integer Overflow description: Learn how to detect signed integer overflow in C using different methods. canonical: https://daily.dev/posts/deriving-a-bit-twiddling-hack-signed-integer-overflow-s5opslb2p twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Deriving a Bit-Twiddling Hack: Signed Integer Overflow | daily.dev og:description: Learn how to detect signed integer overflow in C using different methods. og:url: https://daily.dev/posts/deriving-a-bit-twiddling-hack-signed-integer-overflow-s5opslb2p og:image: https://api.daily.dev/og/posts/S5opSLb2P.png og:image:alt: Deriving a Bit-Twiddling Hack: Signed Integer Overflow og:image:width: 1200 og:image:height: 630 og:locale: en --- [Lobsters](https://daily.dev/sources/lobsters) [Read post](https://api.daily.dev/r/S5opSLb2P) # [Deriving a Bit-Twiddling Hack: Signed Integer Overflow](https://api.daily.dev/r/S5opSLb2P "Go to post") Learn how to detect signed integer overflow in C using different methods. [#assembly](/tags/assembly "Check all #assembly posts")[#c](/tags/c "Check all #c posts") Apr 25, 2024•6m read time•From [grack.com](https://api.daily.dev/r/S5opSLb2P "grack.com") [](https://api.daily.dev/r/S5opSLb2P "Go to post") 49 Impressions3 Upvotes Comment Bookmark Copy Share your thoughtsPost [](https://daily.dev/sources/lobsters) [Lobsters](https://daily.dev/sources/lobsters "https://daily.dev/sources/lobsters") Lobsters is a community-driven platform for sharing and discussing links to articles, tutorials, and... Read more 1.9K Followers • 36.3K Upvotes #### Would you recommend this post? Copy link WhatsApp Facebook X New Squad Copy linkShare with your friends 3 ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Deriving a Bit-Twiddling Hack: Signed Integer Overflow","url":"https://daily.dev/posts/deriving-a-bit-twiddling-hack-signed-integer-overflow-s5opslb2p","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/deriving-a-bit-twiddling-hack-signed-integer-overflow-s5opslb2p"},"datePublished":"2024-04-25T20:45:44.384Z","dateModified":"2024-08-02T02:13:08.450Z","description":"Learn how to detect signed integer overflow in C using different methods.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/92fdfdf427f7ce96a8dc79ce3d48bf7e?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/92fdfdf427f7ce96a8dc79ce3d48bf7e?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/deriving-a-bit-twiddling-hack-signed-integer-overflow-s5opslb2p","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"assembly,c","timeRequired":"PT6M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"Deriving a Bit-Twiddling Hack: Signed Integer Overflow"}]} ```