Date: Sat, 20 Oct 2001 13:18:32 -0700 (PDT) From: John Mechalas <seagull@aracnet.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/31391: usb.h uses a variable name "class" which conflicts with C++ Message-ID: <200110202018.f9KKIWO11342@freefall.freebsd.org>
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>Number: 31391
>Category: kern
>Synopsis: usb.h uses a variable name "class" which conflicts with C++
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Oct 20 13:20:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: John Mechalas
>Release: 4.4-RELEASE
>Organization:
>Environment:
FreeBSD ebony 4.4-RELEASE FreeBSD 4.4-RELEASE #9: Thu Oct 4 20:40:11 PDT 2001 root@ebony:/usr/src/sys/compile/THINKPAD i386
>Description:
In /usr/include/dev/usb/usb.h line 501, the definition for
struct usb_device_info includes the following member:
u_int8_t class; /* bDeviceClass */
Since "class" is a C++ keyword, this breaks C++ sources that attempt to
#include this file.
>How-To-Repeat:
Compile this with C++
#include <dev/usb/usb.h>
int main (int argc, char **argv)
{
return 0;
}
You'll get this:
In file included from foo.cc:1:
/usr/include/dev/usb/usb.h:501: syntax error before `;'
>Fix:
Don't use 'class' as a variable name.
>Release-Note:
>Audit-Trail:
>Unformatted:
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