{"id":419,"date":"2022-11-01T18:28:29","date_gmt":"2022-11-01T12:58:29","guid":{"rendered":"https:\/\/jassweb.com\/new22\/solved-const-char-if-comparison-with-srad-returns-false-duplicate\/"},"modified":"2022-11-01T18:28:29","modified_gmt":"2022-11-01T12:58:29","slug":"solved-const-char-if-comparison-with-srad-returns-false-duplicate-2","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-const-char-if-comparison-with-srad-returns-false-duplicate-2\/","title":{"rendered":"[Solved] const char* if() comparison with \u201cSRAD\u201d returns false [duplicate]"},"content":{"rendered":"<h2> Introduction <\/h2>\n<p>[ad_1]<\/p>\n<p>This question is related to the comparison of const char* if() with &#8220;SRAD&#8221; and whether it returns false. The const char* if() comparison is a type of comparison used in C++ programming language. It is used to compare two strings and determine if they are equal or not. In this case, the comparison is between the const char* if() and the string &#8220;SRAD&#8221;. This question will discuss the details of this comparison and why it returns false.<\/p>\n<h2> Solution<\/h2>\n<p><\/p>\n<p>This question is a duplicate and has already been answered.<\/p>\n<p>The answer is that the comparison of a const char* with &#8220;SRAD&#8221; will return false because the const char* must be a null-terminated string of characters, and &#8220;SRAD&#8221; is not a null-terminated string. <\/p>\n<p><\/p>\n<div class=\"entry-content\" itemprop=\"text\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><\/p>\n<p><script><\/p>\n<p><\/script><\/p>\n<p>\n<\/p>\n<div id=\"answer-27549853\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"27549853\" data-parentid=\"27549820\" data-score=\"4\" 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>This compares the pointers, not the contents.<\/p>\n<p>You need to use <code>strcmp<\/code>:<\/p>\n<pre><code>if(strcmp(\"SRAD\", name) == 0)\n<\/code><\/pre>\n<\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p> <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p>\n<\/div>\n<\/div>\n<p>solved const char* if() comparison with \u201cSRAD\u201d returns false [duplicate] <\/p>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><\/p>\n<p><script><\/p>\n<p><\/script> <\/div>\n<p>[ad_2]<\/p>\n<p>This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.<\/p>\n<p>The comparison of a <code>const char*<\/code> with the string literal <code>\"SRAD\"<\/code> will always return <code>false<\/code>. This is because a <code>const char*<\/code> is a pointer to a character array, while a string literal is a pointer to a constant character array. The two are not the same type, and therefore cannot be compared.<\/p>\n<p>In order to compare a <code>const char*<\/code> with a string literal, you must use the <code>strcmp()<\/code> function. This function takes two parameters, both of which must be of type <code>const char*<\/code>. It will then compare the two strings and return <code>0<\/code> if they are equal, or a non-zero value if they are not.<\/p>\n<p>For example, if you have a <code>const char*<\/code> called <code>str<\/code> and you want to compare it to the string literal <code>\"SRAD\"<\/code>, you would use the following code:<\/p>\n<pre><code>if (strcmp(str, \"SRAD\") == 0)\n{\n    \/\/ The strings are equal\n}\nelse\n{\n    \/\/ The strings are not equal\n}\n<\/code><\/pre>\n<p>This will compare the two strings and return <code>true<\/code> if they are equal, or <code>false<\/code> if they are not.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction [ad_1] This question is related to the comparison of const char* if() with &#8220;SRAD&#8221; and whether it returns false. The const char* if() comparison is a type of comparison used in C++ programming language. It is used to compare two strings and determine if they are equal or not. In this case, the comparison &#8230; <a title=\"[Solved] const char* if() comparison with \u201cSRAD\u201d returns false [duplicate]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-const-char-if-comparison-with-srad-returns-false-duplicate-2\/\" aria-label=\"More on [Solved] const char* if() comparison with \u201cSRAD\u201d returns false [duplicate]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,472,362],"class_list":["post-419","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-char","tag-string"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] const char* if() comparison with \u201cSRAD\u201d returns false [duplicate] - 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-const-char-if-comparison-with-srad-returns-false-duplicate-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] const char* if() comparison with \u201cSRAD\u201d returns false [duplicate] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"Introduction [ad_1] This question is related to the comparison of const char* if() with &#8220;SRAD&#8221; and whether it returns false. 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