<p>1file:modules/utils/functionsc<br>
2Problem Description：Array Overflow  and  View Code Label：wsong@grandstreamcn </p>

<p>size_t write_function( void *ptr, size_t size, size_t nmemb, void *stream_ptr)<br>
{<br>
    http_res_stream_t *stream = (http_res_stream_t *) stream_ptr;</p>

<pre><code>stream->buf = (char *) pkg_realloc(stream->buf, stream->curr_size + 
        (size * nmemb) + 1);

if (stream->buf == NULL) {
    LM_ERR("cannot allocate memory for stream\n");
    return CURLE_WRITE_ERROR;
}

memcpy(&stream->buf[stream->pos], (char *) ptr, (size * nmemb));

stream->curr_size += ((size * nmemb) + 1);
stream->pos += (size * nmemb);
</code></pre>

<p>//begin modify wsong@grandstreamcn <br>
// reason:stream->buf size begin with 0 <br>
//  stream->buf[stream->pos + 1] = '\0';<br>
stream->buf[stream->pos ] = '\0';<br>
//end modify wsong@grandstreamcn</p>

<pre><code>return size * nmemb;
</code></pre>

<p>}</p>

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