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Mantis#2287. Thank you kindly, Idb for a patch that solves: 

The current llGetLinkName returns an empty string if a prim 
with the given link number is not found in the link set. In 
SL an empty string is only returned if the prim name is actually 
blank, a NULL_KEY is returned instead with a couple of exceptions.
0.6.0-stable
Charles Krinke 2008-09-28 01:12:57 +00:00
parent 4f0c759fb0
commit 6a863311f7
1 changed files with 59 additions and 6 deletions
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65
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@ -3039,18 +3039,71 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
}
/// <summary>
/// The rules governing the returned name are not simple. The only
/// time a blank name is returned is if the target prim has a blank
/// name. If no prim with the given link number can be found then
/// usually NULL_KEY is returned but there are exceptions.
///
/// In a single unlinked prim, A call with 0 returns the name, all
/// other values for link number return NULL_KEY
///
/// In link sets it is more complicated.
///
/// If the script is in the root prim:-
/// A zero link number returns NULL_KEY.
/// Positive link numbers return the name of the prim, or NULL_KEY
/// if a prim does not exist at that position.
/// Negative link numbers return the name of the first child prim.
///
/// If the script is in a child prim:-
/// Link numbers 0 or 1 return the name of the root prim.
/// Positive link numbers return the name of the prim or NULL_KEY
/// if a prim does not exist at that position.
/// Negative numbers return the name of the root prim.
///
/// References
/// http://lslwiki.net/lslwiki/wakka.php?wakka=llGetLinkName
/// Mentions NULL_KEY being returned
/// http://wiki.secondlife.com/wiki/LlGetLinkName
/// Mentions using the LINK_* constants, some of which are negative
/// </summary>
public LSL_String llGetLinkName(int linknum)
{
m_host.AddScriptLPS(1);
SceneObjectPart part = m_host.ParentGroup.GetLinkNumPart(linknum);
if (part != null)
// simplest case, this prims link number
if (m_host.LinkNum == linknum)
return m_host.Name;
// Single prim
if (m_host.LinkNum == 0)
{
return part.Name;
}
if (linknum == 0)
return m_host.Name;
else
{
return "";
return UUID.Zero.ToString();
}
// Link set
SceneObjectPart part = null;
if (m_host.LinkNum == 1) // this is the Root prim
{
if (linknum < 0)
part = m_host.ParentGroup.GetLinkNumPart(2);
else
part = m_host.ParentGroup.GetLinkNumPart(linknum);
}
else // this is a child prim
{
if (linknum < 2)
part = m_host.ParentGroup.GetLinkNumPart(1);
else
part = m_host.ParentGroup.GetLinkNumPart(linknum);
}
if (part != null)
return part.Name;
else
return UUID.Zero.ToString();
}
public LSL_Integer llGetInventoryNumber(int type)