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POError comparing strings in Cocos2d-x
 

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  1. POError comparing strings in Cocos2d-x
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    <p>I am using cocos2d-x to create an Android game.</p> <p>I am calling a static function within a different class that checks if a given username and password is correct. The function returns a string, "yes" if both username and password are correct, "no" otherwise.</p> <p>I then compare the string to decide what to do next. The problem I am having is that in CCLOG it prints response is "yes", however the if branch does not execute, i.e. strcmp(result.c_str(), "yes") does not return true but CCLOG prints result to be "yes".</p> <p>Here is my code :</p> <pre><code>// LogInPage if (((CCMenuItemSprite*) pSender)-&gt;getTag() == 0) { string username = string(m_pEditUsername-&gt;getText()); string password = string(m_pEditPassword-&gt;getText()); string result = SQLDatabase::logIn(username, password); CCLOG("RESULT IS %s", result.c_str()); if (strcmp(result.c_str(), "yes") == 0) { CCLOG("IN IF BRANCH"); CCDirector::sharedDirector()-&gt;replaceScene(PlayMultiplayerPage::scene()); } } </code></pre> <p>// STATIC LOGIN FUNCTION</p> <pre><code>string SQLDatabase::logIn(string username, string password) { stringstream strm; strm &lt;&lt; "http://****.net/select_functions.php? function=logIn&amp;username=" &lt;&lt; username &lt;&lt; "&amp;password=" &lt;&lt; password; CURL* curl; CURLcode res; string result; curl = curl_easy_init(); string URL = strm.str(); if (curl) { curl_easy_setopt(curl, CURLOPT_URL, URL.c_str()); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, Write_To_String); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &amp;result); res = curl_easy_perform(curl); curl_easy_cleanup(curl); CCLOG("curl return code is %i", (int) res); CCLOG("response is \n %s", result.c_str()); } return result; } </code></pre> <p>// WRITE_TO_STRING FUNCTION</p> <pre><code>size_t SQLDatabase::Write_To_String(void *ptr, size_t size, size_t count, void *stream) { ((string*) stream)-&gt;append((char*) ptr, 0, size * count); return size * count; } </code></pre>
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    1. USuser2454986
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    1. COThere must be some unwanted characters in the `result` string. Check it's length and the individual characters in it. It might still look ok when printed.
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      1. USSebastian Ärleryd
 

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