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change suggested by Anthony Carrico when unregistering a namespace prefix

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* xpath.c: change suggested by Anthony Carrico when unregistering
  a namespace prefix to a context
* hash.c: be more careful about calling callbacks with NULL payloads.
Daniel
This commit is contained in:
Daniel Veillard
2003-10-29 11:18:37 +00:00
parent ceffd45199
commit e991fe958f
4 changed files with 15 additions and 5 deletions
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xpath.c
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@@ -2974,6 +2974,9 @@ xmlXPathRegisterNs(xmlXPathContextPtr ctxt, const xmlChar *prefix,
ctxt->nsHash = xmlHashCreate(10);
if (ctxt->nsHash == NULL)
return(-1);
if (ns_uri == NULL)
return(xmlHashRemoveEntry(ctxt->nsHash, ns_uri,
(xmlHashDeallocator)xmlFree));
return(xmlHashUpdateEntry(ctxt->nsHash, prefix, (void *) xmlStrdup(ns_uri),
(xmlHashDeallocator)xmlFree));
}