PPATH_BOOL(3) |
Library Functions Manual |
PPATH_BOOL(3) |
NAME
ppath_bool, ppath_copydel_bool, ppath_copyset_bool, ppath_set_bool, ppath_get_bool, ppath_delete_bool — boolean property path operations
LIBRARY
Property-List Paths Library (libppath, -lppath)
SYNOPSIS
#include <ppath/ppath.h>
int
ppath_copydel_bool(prop_object_t, prop_object_t *, const ppath_t *);
int
ppath_copyset_bool(prop_object_t, prop_object_t *, const ppath_t *, bool);
int
ppath_set_bool(prop_object_t, const ppath_t *, bool);
int
ppath_get_bool(prop_object_t, const ppath_t *, bool *);
int
ppath_delete_bool(prop_object_t, const ppath_t *);
DESCRIPTION
The ppath_bool routines read, write, or delete boolean values in a property list by path.
FUNCTIONS
ppath_bool provides these functions for manipulating boolean values in a property list by the values' paths:
-
ppath_copydel_bool(prop_object_t o, prop_object_t *op, const ppath_t *p)
-
Create a copy of the property list o at *op. Delete from the copy the prop_bool_t named by p.
If *op is NULL, ppath_copydel_bool() creates a shallow copy of o at *op. If *op is not NULL, ppath_copydel_bool() expects for *op to be an existing shallow copy of o.
For the purposes of ppath_copydel_bool(), *op is a shallow copy of property list o if equal properties at equal paths are shared between the two. Before ppath_copydel_bool() modifies a property shared by *op and o, it creates a private copy of the property for *op.
-
ppath_copyset_bool(prop_object_t o, prop_object_t *op, const ppath_t *p, bool v)
-
Create a copy of the property list o at *op. In the copy, replace with v the prop_bool_t named by p.
If *op is NULL, ppath_copyset_bool() creates a shallow copy of o at *op. If *op is not NULL, ppath_copyset_bool() expects for *op to be an existing shallow copy of o.
For the purposes of ppath_copyset_bool(), *op is a shallow copy of property list o if equal properties at equal paths are shared between the two. Before ppath_copydel_bool() modifies a property shared by *op and o, it creates a private copy of the property for *op.
-
ppath_set_bool(prop_object_t o, const ppath_t *p, bool v)
-
Replace with v the prop_bool_t in o named by p.
-
ppath_get_bool(prop_object_t o, const ppath_t *p, bool *vp)
-
Retrieve the prop_bool_t named by p from o, and write it to *vp.
-
ppath_delete_bool(prop_object_t o, const ppath_t *p)
-
Delete the prop_bool_t named by p from o. ppath_delete_bool() decreases by one the deleted boolean value's reference count.
RETURN VALUES
ppath_bool routines return 0 on success, and non-zero on error.
ERRORS
-
[EFTYPE]
-
A ppath_bool operation returns EFTYPE when the object named by the path is not a prop_bool_t.
-
[ENOENT]
-
ppath_bool routines return ENOENT if the path p does not exist in o.
-
[ENOMEM]
-
ppath_set_bool(), and ppath_copyset_bool() return ENOMEM if there was insufficient memory to complete the operation.
HISTORY
The ppath_bool property container path library first appeared in NetBSD 6.0.
AUTHORS
David Young <dyoung@pobox.com>