return cmd_len;
}
+
+void buffer_shr(void *_buf, unsigned buf_len, unsigned count)
+{
+ unsigned i;
+ unsigned char *buf = _buf;
+ unsigned bytes_to_remove;
+ unsigned shift;
+
+ bytes_to_remove = count / 8;
+ shift = count - (bytes_to_remove * 8);
+
+ for (i = 0; i < (buf_len - 1); i++)
+ buf[i] = (buf[i] >> shift) | ((buf[i+1] << (8 - shift)) & 0xff);
+
+ buf[(buf_len - 1)] = buf[(buf_len - 1)] >> shift;
+
+ if (bytes_to_remove) {
+ memmove(buf, &buf[bytes_to_remove], buf_len - bytes_to_remove);
+ memset(&buf[buf_len - bytes_to_remove], 0, bytes_to_remove);
+ }
+}