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Make devfs_add_devfsf() which takes printf style args.

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This commit is contained in:
Poul-Henning Kamp 1996-01-25 07:17:31 +00:00
parent f782b11a04
commit 831e28a67a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=13629
2 changed files with 48 additions and 2 deletions
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39
sys/miscfs/devfs/devfs_tree.c
View file

@ -2,7 +2,7 @@
/*
* Written by Julian Elischer (julian@DIALix.oz.au)
*
* $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.14 1996/01/21 09:07:58 julian Exp $
* $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.15 1996/01/21 09:43:31 julian Exp $
*/
#include "param.h"
@ -892,6 +892,43 @@ int dev_add_entry(char *name, dn_p parent, int type, union typeinfo *by, devnm_p
return error;
}
/***********************************************************************\
* Add the named device entry into the given directory, and make it *
* The appropriate type... (called (sometimes indirectly) by drivers..) *
* this function is exported.. see sys/devfsext.h *
\***********************************************************************/
void *devfs_add_devswf(
void *devsw,
int minor,
int chrblk,
uid_t uid,
gid_t gid,
int perms,
char *fmt,
...)
{
va_list ap;
char *p, buf[256]; /* XXX */
int i;
va_start(ap, fmt);
i = kvprintf(fmt, NULL, (void*)buf, 32, ap);
va_end(ap);
buf[i] = '\0';
p = NULL;
for (i=0; buf[i]; i++)
if (buf[i] == '/')
p = buf + 1;
if (p) {
*p++ = '\0';
return devfs_add_devsw(buf, p, devsw, minor, chrblk,
uid, gid, perms);
} else {
return devfs_add_devsw("/", buf, devsw, minor, chrblk,
uid, gid, perms);
}
}
/***********************************************************************\
* Add the named device entry into the given directory, and make it *
* The appropriate type... (called (sometimes indirectly) by drivers..) *

11
sys/sys/devfsext.h
View file

@ -1,7 +1,7 @@
/* usual BSD style copyright here */
/* Written by Julian Elischer (julian@dialix.oz.au)*/
/*
* $Id: devfsext.h,v 1.5 1995/12/09 09:11:25 julian Exp $
* $Id: devfsext.h,v 1.6 1996/01/21 09:03:04 julian Exp $
*/
#ifndef _SYS_DEVFSECT_H_
@ -15,6 +15,15 @@ void *devfs_add_devsw(char *path,
gid_t gid,
int perms) ;
void *devfs_add_devswf(void *devsw,
int minor,
int chrblk,
uid_t uid,
gid_t gid,
int perms,
char *fmt,
...) ;
void *dev_link(char *path,
char *name,
void *original); /* the result of a previous dev_link