libwiiupdate

[xiaNaix]

AlexLH has released libwiiupdate, which allows homebrew developers to easily add update support to their apps.

First... here is how to use it...

load_network();
s32 main_server = connect_to_server("000.000.000.000");
FILE *f = fopen(get_location("boot.elf", "/location/of-app"), "wb+");
send_message(main_server, "/location-of-update/boot.elf", "www.url.of.server");
instructions_update();
get_file(main_server, f);
fclose(f);
net_close(main_server);

You must do all of that to get it working... and everything alse is in the lib...

000.000.000.000 is the IP Address of the server. example: "74.86.133.219"

/location/of-app is where you want it to update/install if using wiiload. If it is not using wiiload... it will update in the app's current directory.

/location-of-update/boot.elf is where on the server the update file is... YOU MUST PUT THE PROPER URL! example: /WiiMU/boot.elf

www.url.of.server is the URL of the server. YOU MUST PUT THE WWW AS A PREFIX! example: Wii Homebrew News

For now... you must use it in console, because it uses a lot of printf's... I'll release a version that won't output anything... so it is compatible with everything...

also, you can update any file you want, including meta.xml, etc!

News Source: Official Site