Re: [xml] Segfaults on FreeBSD when using XPath....

[David Frascone <dave frascone com>]

>         doc = xmlParseFile(argv[1]);
>         printf("mem used =%d\n", xmlMemUsed());
>         /* xmlMemDisplay(stdout); */
>         root = xmlDocGetRootElement(doc);
>         printf("Document root element name is %s\n", root->name);
>         /*
>          * Try to find root element using xpath...
>          */
>         xmlXPathInit();
>         ctx = xmlXPathNewContext(doc);
>         path = xmlXPathEvalExpression((const xmlChar
> *)"id(\"calvin\")", ctx);
>         printf("Document root element name is %s\n",
>                 path->nodesetval->nodeTab[0]->name);

Running it in a debugger shows that path->nodesetval->nodeTab is NULL.

You should probably check all pointers for NULL before you attempt to de-
reference them.


-Dave