why does check50 say "killed by server"?

Question

My code works - all 16 images are recovered without a problem. However, it doesn't pass check50, which gives me smileys for recover.c existing and compiling, but says "killed by server" for recovering the images. I have no idea what this means.

// code
do
{
    // code       
}
while (!(buffer2[0] == 0xff && buffer2[1] == 0xd8 &&
         buffer2[2] == 0xff && (buffer2[3] == 0xe0 || buffer2[3] == 0xe1)));

// code

Attached is my code, please help! Thanks!

Answer 1

the problem is that this do..while is gonna be an infinite loop as it recovers the last JPEG because it's never gonna hit another JPEG signature because there will be no more JPEGs.