man/man3picltree/ptree_update_propval.3picltree

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 PTREE_UPDATE_PROPVAL 3PICLTREE "Mar 28, 2000"
 NAME
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PICL_STALEHANDLE is returned if the handle is no longer valid.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:


ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Evolving
MT-Level MT-Safe


 SEE ALSO

ptree_get_propval(3PICLTREE), attributes(5)