{"id":25147,"date":"2022-12-08T09:18:09","date_gmt":"2022-12-08T03:48:09","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-find-a-string-is-json-or-not-using-jansson\/"},"modified":"2022-12-08T09:18:09","modified_gmt":"2022-12-08T03:48:09","slug":"solved-how-to-find-a-string-is-json-or-not-using-jansson","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-find-a-string-is-json-or-not-using-jansson\/","title":{"rendered":"[Solved] How to find a string is Json or not using Jansson?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-35459146\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"35459146\" data-parentid=\"35458824\" 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>Why don&#8217;t you read the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jansson.readthedocs.org\/en\/2.7\/apiref.html#c.json_loads\">documentation<\/a> where it clearly states:<\/p>\n<pre><code>json_t *json_loads(const char *input, size_t flags, json_error_t *error)\n    Return value: New reference.\n\n    Decodes the JSON string input and returns the array or object it contains, \n    or NULL on error, in which case error is filled with information about the error. \n    flags is described above.\n<\/code><\/pre>\n<p>Also they even provide an <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jansson.readthedocs.org\/en\/2.7\/tutorial.html#the-program\">example<\/a> on how to use this:<\/p>\n<pre><code>root = json_loads(text, 0, &amp;error);\nfree(text);\n\nif(!root)\n{\n    fprintf(stderr, \"error: on line %d: %s\\n\", error.line, error.text);\n    return 1;\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to find a string is Json or not using Jansson? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Why don&#8217;t you read the documentation where it clearly states: json_t *json_loads(const char *input, size_t flags, json_error_t *error) Return value: New reference. Decodes the JSON string input and returns the array or object it contains, or NULL on error, in which case error is filled with information about the error. flags is described above. &#8230; <a title=\"[Solved] How to find a string is Json or not using Jansson?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-find-a-string-is-json-or-not-using-jansson\/\" aria-label=\"More on [Solved] How to find a string is Json or not using Jansson?\">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":[324,356],"class_list":["post-25147","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-json"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to find a string is Json or not using Jansson? - 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-find-a-string-is-json-or-not-using-jansson\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to find a string is Json or not using Jansson? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Why don&#8217;t you read the documentation where it clearly states: json_t *json_loads(const char *input, size_t flags, json_error_t *error) Return value: New reference. Decodes the JSON string input and returns the array or object it contains, or NULL on error, in which case error is filled with information about the error. flags is described above. ... 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