usb_descriptor_fillb(9)
NAME
usb_descriptor_fillbuf - fill buffer with descriptors
SYNOPSIS
int usb_descriptor_fillbuf(void * buf, unsigned buflen,
const struct usb_descriptor_header ** src);
ARGUMENTS
- buf
- Buffer to be filled
- buflen
- Size of buf
- src
- Array of descriptor pointers, terminated by null pointer.
DESCRIPTION
Copies descriptors into the buffer, returning the length or a negative
error code if they canīt all be copied. Useful when assembling
descriptors for an associated set of interfaces used as part of
configuring a composite device; or in other cases where sets of
descriptors need to be marshaled.
AUTHOR
- David Brownell <dbrownell@users.sourceforge.net>
- Author.