VOP_PATHCONF (9)

Leading comments

Copyright (c) 1996 Doug Rabson

All rights reserved.

This program is free software.

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 comments found at the beginning of the groff file "man9/VOP_PATHCONF.9freebsd".)

NAME

VOP_PATHCONF - return POSIX pathconf information

SYNOPSIS

In sys/param.h In sys/vnode.h In sys/unistd.h Ft int Fn VOP_PATHCONF struct vnode *vp int name int *retval

DESCRIPTION

The arguments are:

Fa vp

The vnode to get information about.

Fa name

The type of information to return.

Fa retval

The place to return the information.

The value of Fa 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 Fa name is recognized, Fa *retval is set to the specified value and zero is returned, otherwise Er EINVAL is returned.

SEE ALSO

pathconf(2), vnode(9)

AUTHORS

This manual page was written by An Doug Rabson .