ptree_update_propval

, ptree_update_propval_by_name

- update a property value

Synopsis

cc [ flag... ] file... -lpicltree [ library... ]
#include <picltree.h>

int ptree_update_propval(picl_prophdl_t proph, void *valbuf,
     size_t nbytes);

int ptree_update_propval_by_name(picl_nodehdl_t nodeh,
     char *name, void *valbuf, size_t nbytes);

Description

The ptree_update_propval() function updates the value of the property specified by proph with the value specified in the buffer valbuf. The size of the buffer valbuf is specified in nbytes.

The ptree_update_propval_by_name() function updates the value of the property, whose name is specified by name, of the node specified by handle nodeh. The new value is specified in the buffer valbuf, whose size is specified in nbytes.

For volatile properties, the write access function provided by the plug-in publishing the property is invoked.

Return Values

Upon successful completion, 0 is returned. On failure, a non-negative integer is returned to indicate an error.

PICL_STALEHANDLE is returned if the handle is no longer valid. This occurs if the PICL tree was refreshed or reinitialized.

PICL_INVALIDHANDLE is returned if the specified handle never existed.

Errors

PICL_VALUETOOBIG

Value too big

PICL_NOTPROP

Not a property

PICL_NOTNODE

Not a node

PICL_INVALIDHANDLE

Invalid handle

PICL_STALEHANDLE

Stale handle

PICL_PROPNOTFOUND

Property not found

Attributes

See attributes(5) for descriptions of the following attributes:

See Also

ptree_get_propval(3PICLTREE), attributes(5)