[xml] Change default namespace to prefixed namespace

[Rüdiger Ranft <_rdi_ web de>]

Hi all,

I need to transform the default namespace of a document to a prefixed
one. Is it ok to assign a string to the namespace, or do I need to
create a new namespace and replace it in the document?

This is the function I used to change the namespace:
	xmlDocPtr p = xmlParseFile( argv[ 1 ] );
	if( NULL == p )
	{
		fprintf( stderr, "Datei %s kann nicht geöffnet werden\n", argv[ 1 ] );
		return 1;
	}
	xmlNodePtr root = xmlDocGetRootElement( p );
	assert( root );
	xmlNsPtr nsp = root->ns;
	while( NULL != nsp )
	{
		if ( NULL == nsp->prefix )
		{
			nsp->prefix = xmlMemoryStrdup( "hc" );
			break;
		}
		nsp = nsp->next;
	}
	if( NULL != nsp )
	{
		for( xmlNodePtr c = root->children; NULL != c; c = c->next )
		{
			if ( XML_ELEMENT_NODE == c->type )
			{
				for( xmlAttrPtr p = c->properties; NULL != p; p = p->next )
				{
					if( NULL == p->ns )
					{
						p->ns = nsp;
					}
				}
			}
		}
	}

TIA
Rudi

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