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VOP_PATHCONF (9) | Kernel routines | Unix Manual Pages | :man

NAME

VOP_PATHCONF - return POSIX pathconf information

CONTENTS

Synopsis
Description
Return Values
See Also
Authors

SYNOPSIS


.In sys/param.h
.In sys/vnode.h
.In 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


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