/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Brown.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* XXX temporary alias because getdevmajor() was renamed
* in -current for some time
*/
dev_t
__getdevmajor50(const char *name, mode_t type)
{
return (dev_t)getdevmajor(name, type);
}
devmajor_t
getdevmajor(const char *name, mode_t type)
{
struct kinfo_drivers kd[200], *kdp = &kd[0];
size_t i, sz = sizeof(kd);
int rc;
devmajor_t n = NODEVMAJOR;
if (type != S_IFCHR && type != S_IFBLK) {
errno = EINVAL;
return n;
}
do {
rc = sysctlbyname("kern.drivers", kdp, &sz, NULL, 0);
if (rc == -1) {
if (errno != ENOMEM)
goto out;
if (kdp != &kd[0])
free(kdp);
if ((kdp = malloc(sz)) == NULL)
return n;
}
} while (rc == -1);
sz /= sizeof(*kdp);
for (i = 0; i < sz; i++) {
if (strcmp(name, kdp[i].d_name) == 0) {
if (type == S_IFCHR)
n = kdp[i].d_cmajor;
else
n = kdp[i].d_bmajor;
break;
}
}
if (i >= sz)
errno = ENOENT;
