VOP_PATHCONF(9) | FreeBSD Kernel Developer's Manual | VOP_PATHCONF(9) |
NAME
VOP_PATHCONF — return POSIX pathconf informationSYNOPSIS
#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.AUTHORS
This manual page was written by .July 24, 1996 | FreeBSD |