firmware-utils/mkdir615h1: fix magic XOR calculation

Signed-off-by: Forest Crossman <cyrozap@gmail.com>

SVN-Revision: 41314
This commit is contained in:
John Crispin 2014-06-24 18:13:00 +00:00
parent 8a82c2cd36
commit ea137d3735

View file

@ -199,7 +199,7 @@ static int encode_image(const char *input_file_name,
}
for (i = 0; i < bytes_read; i++)
buf[i] ^= magic >> ((((i >> 60) + i) & 7) - (i >> 60));
buf[i] ^= magic >> (i % 8) & 0xff;
fwrite(&buf, bytes_read, 1, fp_output);
}
@ -254,7 +254,7 @@ int decode_image(const char *input_file_name, const char *output_file_name)
bytes_read = fread(&buf, 1, BUF_SIZE, fp_input);
for (i = 0; i < bytes_read; i++)
buf[i] ^= header.magic >> ((((i >> 60) + i) & 7) - (i >> 60));
buf[i] ^= header.magic >> (i % 8) & 0xff;
/*
* Handle padded source file