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POIs this a memory leak? Kernel Resource leak? (C++, parallel studio)
 

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  1. POIs this a memory leak? Kernel Resource leak? (C++, parallel studio)
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    <p>Background: I'm working on some code to read in data from a file. Examples of data are separated by newlines. Also, there is a meta-level to the data and a semicolon acts as a delimiter to indicate the end of a sequence is reached. The file contains many sequences. I'd like open the file, read in a line of the data and store it as vector, do some stuff with the data, then read in the next line... until the end of the file.</p> <p>The following compiles fine and when run with valgrind on my linux machine, no memory leaks are found. However, when I use the c++ inspector tool in Parallel Studio on my lab's Windows machine it reports to memory related errors in my program, both in this file.</p> <p>A memory leak is reported and seems to stem from the line:</p> <pre><code> ss&gt;&gt;number; </code></pre> <p>And also a kernel resource leak is reported with the following:</p> <pre><code> data.open(filename.c_str()); </code></pre> <p>Can anyone help me to understand why I am getting these errors and what I should do to correct them? I'm not seeing why this is a memory leak and am even less certain about the kernel resource error. Also, if I am doing anything outrageously stupid here, feel free to let me know!</p> <pre><code>class Network; namespace data { static std::string trainfiles[] = { "/home/samurain/htm_check/data_files/train/sequence1.train", "/home/samurain/htm_check/data_files/train/sequence2.train"}; static std::string testfiles[] = { "/home/samurain/htm_check/data_files/train/sequence1.train", "/home/samurain/htm_check/data_files/train/sequence2.train"}; } const char SEQ_DELIM = ';'; struct Example { std::vector&lt;int&gt; stimulus; std::fstream data; bool clear() {stimulus.clear();} bool open_file(std::string &amp; filename) { data.open(filename.c_str()); if (!data) { std::cout &lt;&lt;"error opening file\n"; return false; } std::cout&lt;&lt;"opening file... " &lt;&lt;filename &lt;&lt;" opened \n"; return true; } bool close_file() { std::cout&lt;&lt;"closing file... "; data.close(); data.clear(); std::cout&lt;&lt;"closed\n"; return true; } bool read_next(Network * myNetwork, bool &amp; new_seq) { if (!data) { std::cout&lt;&lt;"file not opened" &lt;&lt;std::endl; return false; } if (data.peek() == SEQ_DELIM) { data.ignore(100,'\n'); myNetwork-&gt;clearStates(); new_seq = true; } int number = 300; //assuming input will be integer values, not set to 0 for debugging purposes std::string line; getline(data, line); if (!data.good()) { std::cout&lt;&lt;"end of file reached" &lt;&lt;std::endl; return false; } std::stringstream ss(line); while (ss) { ss&gt;&gt;number; if (ss.good()) { stimulus.push_back(number); } } return true; }//end read next };//end of Example </code></pre>
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