From c186259e3181ae2f836aef914837c5abff6820fc Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@FreeBSD.org>
Date: Mon, 19 Sep 2011 08:52:06 +0000
Subject: Implement missing USB debug information functions.

Approved by:	re (kib)
MFC after:	1 week
---
 lib/libusb/libusb20.3 | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'lib/libusb/libusb20.3')

diff --git a/lib/libusb/libusb20.3 b/lib/libusb/libusb20.3
index 042f885..b41bec1 100644
--- a/lib/libusb/libusb20.3
+++ b/lib/libusb/libusb20.3
@@ -212,6 +212,10 @@ USB access library (libusb -lusb)
 .Fn libusb20_me_decode "const void *pdata" "uint16_t len" "void *pdecoded"
 .Ft "const uint8_t *"
 .Fn libusb20_desc_foreach "const struct libusb20_me_struct *me" "const uint8_t *pdesc"
+.Ft "const char *"
+.Fn libusb20_strerror "int code"
+.Ft "const char *"
+.Fn libusb20_error_name "int code"
 .
 .
 .Sh DESCRIPTION
@@ -996,6 +1000,22 @@ The total decoded length is returned.
 The buffer pointer cannot be NULL.
 .
 .
+.Sh USB DEBUGGING
+.Pp
+.Ft const char *
+.Fn libusb20_strerror "int code"
+Get the ASCII representation of the error given by the
+.Fa code
+argument.
+This function does not return NULL.
+.Pp
+.Ft const char *
+.Fn libusb20_error_name "int code"
+Get the ASCII representation of the error enum given by the
+.Fa code
+argument.
+This function does not return NULL.
+.
 .Sh FILES
 .
 .
@@ -1003,7 +1023,8 @@ The buffer pointer cannot be NULL.
 .Sh SEE ALSO
 .Xr usb 4 ,
 .Xr libusb 3 ,
-.Xr usbconfig 8
+.Xr usbconfig 8 ,
+.Xr usbdump 8
 .
 .
 .Sh HISTORY
-- 
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