|
|
|
ctdbUpdateResource
Update the contents of an existing resource.
DECLARATION
CTDBRET ctdbDECL ctdbUpdateResource(CTHANDLE resource, pVOID data, VRLEN size);
DESCRIPTION
ctdbUpdateResource() update an existing resource. You must call ctdbAllocResource() with specific resource type and number that will uniquely identify the resource being updated. resource is a handle allocated by ctdbAllocResource(). The Resource data is any collection of data that you wish to store as a Resource. It can be a character string, a structure, or any variable type. size indicate the number of bytes occupied by data.
RETURN
ctdbUpdateResource() returns CTDBRET_OK on success.
EXAMPLE
CTDBRET UpdateMyResource(CTHANDLE Handle, ULONG type, ULONG number, pTEXT name, pVOID data, VRLEN size)
{
CTDBRET Retval;
CTHANDLE hRes = ctdbAllocResource(Handle, type, number, name);
if (hRes)
{
if ((Retval = ctdbUpdateResource(hRes, data, size)) != CTDBRET_OK)
printf("ctdbUpdateResource failed with error %d\n", Retval);
ctdbFreeResource(hRes);
}
else
{
printf("Failed to allocate resource handle\n");
Retval = CTDBRET_NOMEMORY;
}
return Retval;
}
SEE ALSO
ctdbAllocResource(), ctdbFreeResource(), ctdbAddResource(), ctdbDeleteResource(), ctdbFirstResource(), ctdbNextResource(), ctdbFindResource(), ctdbFindResourceByName(), ctdbGetResourceType(), ctdbSetResourceType(), ctdbGetResourceNumber(), ctdbSetResourceNumber(), ctdbGetResourceName(), ctdbSetResourceName(), ctdbGetResourceDataLength(), ctdbGetResourceData(), ctdbSetResourceData(), ctdbIsResourceLocked(), ctdbUnlockResource(), Locking
