Author: hselasky Date: Thu Nov 18 08:32:47 2010 New Revision: 215450 URL: http://svn.freebsd.org/changeset/base/215450
Log: Correct description of the return values of the LibUSB v1.0 libusb_control_transfer() function. PR: usb/151851 Submitted by: HIROSHI OOTA Approved by: thompsa (mentor) Modified: head/lib/libusb/libusb.3 Modified: head/lib/libusb/libusb.3 ============================================================================== --- head/lib/libusb/libusb.3 Thu Nov 18 08:03:40 2010 (r215449) +++ head/lib/libusb/libusb.3 Thu Nov 18 08:32:47 2010 (r215450) @@ -26,7 +26,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 14, 2010 +.Dd November 18, 2010 .Dt LIBUSB 3 .Os .Sh NAME @@ -380,10 +380,15 @@ LIBUSB_ERROR code on failure. .Pp .Ft int .Fn libusb_control_transfer "libusb_device_handle *devh" "uint8_t bmRequestType" "uint8_t bRequest" "uint16_t wValue" "uint16_t wIndex" "unsigned char *data" "uint16_t wLength" "unsigned int timeout" -Perform a USB control transfer. Returns 0 on success, LIBUSB_ERROR_TIMEOUT -if the transfer timeout, LIBUSB_ERROR_PIPE if the control request was not -supported, LIBUSB_ERROR_NO_DEVICE if the device has been disconnected and -LIBUSB_ERROR code on other failure. +Perform a USB control transfer. Returns the actual number of bytes +transferred on success in the range from and including zero until and +including +.Xa wLength . +On error a libusb error code is returned, for example +LIBUSB_ERROR_TIMEOUT if the transfer timeout, LIBUSB_ERROR_PIPE if the +control request was not supported, LIBUSB_ERROR_NO_DEVICE if the +device has been disconnected or another LIBUSB_ERROR code on other failures. +The libusb error codes are always negative. . .Pp .Ft int _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
