usb_descriptor_fillbuf

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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 can't 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.