i use curl_easy_setopt(_curl, CURLOPT_WRITEFUNCTION, &writeFun) to set up
the WRITE_FUNCTION, and it is called by libcurl when it gets datas. the
funtion writeFun() is like below:

size_t writeFun(void *ptr, size_t size, size_t nmemb, void *stream)

ptr is the pointer to the data, so i could get the download data in my
program. and then i could write the data to a local file. now the problem
is: should i free(ptr) when i've done using it to avoid memory leek?

thanks.

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Received on 2010-03-18