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Obtaining string results from http calls

From: Joseph Kelly
Subject: Obtaining string results from http calls
Date: Fri, 26 Sep 2014 15:30:46 -0600


Can someone point me in a direction for correct usage of the HTTP module to help in returning strings? Is there any documentation for this online?

I am using source code for Grub 2.02~beta2

I am attempting to return the results of an http query.

My code compiles and executes the commands without error, but I think I'm having difficulty understanding where the pointers go during the abstraction and what the pointers have when the top level commands finish.

Here is a sample of what I am attempting to do.

struct grub_file *gf;
err =, httpquery);
grub_printf("DEBUG: current_line: %s\n",((http_data_t)(gf->data))->current_line);

This code just results in a "(null)".

Any help here would be useful.

Joseph Kelly

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