problem: errx(1, "Corrupt patch\n");

[hanleirx]

I bsdiff the file by command on PC and I want to bspatch the file on the iphone,but when I run the code,I found here: /* Check for appropriate magic */ if (memcmp(header, "ENDSLEY/BSDIFF43", 16) != 0) errx(1, "Corrupt patch\n"); I will go into if, so it won't ran following code. I want to know why,please help me!