VOP_PATHCONF(9) MidnightBSD Kernel Developer’s Manual VOP_PATHCONF(9)

NAME

VOP_PATHCONF — return POSIX pathconf information

SYNOPSIS

#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/unistd.h>

int

VOP_PATHCONF(struct vnode *vp, int name, int *retval);

DESCRIPTION

The arguments are:

vp

The vnode to get information about.

name

The type of information to return.

retval

The place to return the information.

The value of name specifies what should be returned:

_PC_LINK_MAX

The maximum number of links to a file.

_PC_NAME_MAX

The maximum number of bytes in a file name.

_PC_PATH_MAX

The maximum number of bytes in a pathname.

_PC_PIPE_BUF

The maximum number of bytes which will be written atomically to a pipe.

_PC_CHOWN_RESTRICTED

Return 1 if appropriate privileges are required for the chown(2) system call, otherwise 0.

_PC_NO_TRUNC

Return 1 if file names longer than KERN_NAME_MAX are truncated.

RETURN VALUES

If name is recognized, *retval is set to the specified value and zero is returned, otherwise EINVAL is returned.

SEE ALSO

pathconf(2), vnode(9)

AUTHORS

This manual page was written by Doug Rabson.

MidnightBSD 0.3 July 24, 1996 MidnightBSD 0.3