I'm not familiar with libcUrl, so I can't say what you missed, but I am suspicious. Do however look at my complaints about your code. I understand that writing

I'm not familiar with libcUrl, so I can't say what you missed, but I am suspicious. Do however look at my complaints about your code. I understand that writing good safe C code is hard (I've written plenty of bad C code myself), but that's one reason why you should use cUrl. Any code you write yourself is another liability.