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usb_dfu_trailer.h

#ifndef _USB_DFU_TRAILER_H
#define _USB_DFU_TRAILER_H

/* trailer handling for DFU files */

#define UBOOT_DFU_TRAILER_V1  1
#define UBOOT_DFU_TRAILER_MAGIC     0x19731978
00008 struct uboot_dfu_trailer {
      u_int32_t   magic;
      u_int16_t   version;
      u_int16_t   length;
      u_int16_t   vendor;
      u_int16_t   product;
      u_int32_t   revision;
} __attribute__((packed));

/* we mirror the trailer because we want it to be longer in later versions
 * while keeping backwards compatibility */
static inline void dfu_trailer_mirror(struct uboot_dfu_trailer *trailer,
                              unsigned char *eof)
{
      int i;
      int len = sizeof(struct uboot_dfu_trailer);
      unsigned char *src = eof - len;
      unsigned char *dst = (unsigned char *) trailer;

      for (i = 0; i < len; i++)
            dst[len-1-i] = src[i];
}

#endif /* _USB_DFU_TRAILER_H */

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