Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed the broken ioctl() function. Unlike BeOS, it also passes the

Browse Source 
eventually specified length parameter.
The IOCPARM_LEN() macro should be used by the device/file system
implementation only if applicable.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7828 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-06-08 05:53:35 +00:00
parent 1bfc2c6901
commit 39f34cf425
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/kernel/libroot/posix/unistd/ioctl.c
View File

@ -1,12 +1,11 @@
/*
** Copyright 2002, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Copyright 2002-2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
#include <unistd.h>
#include <syscalls.h>
#include <sys/ioctl.h>
#include <stdarg.h>
#include <errno.h>
@ -23,12 +22,17 @@ int
ioctl(int fd, ulong cmd, ...)
{
va_list args;
int err;
void *argument;
size_t size;
int status;
va_start(args, cmd);
err = sys_ioctl(fd, cmd, args, IOCPARM_LEN(cmd));
argument = va_arg(args, void *);
size = va_arg(args, size_t);
va_end(args);
RETURN_AND_SET_ERRNO(err)
status = sys_ioctl(fd, cmd, argument, size);
RETURN_AND_SET_ERRNO(status)
}