Function inputPush

ThirdParty/libxml2/vtklibxml2/parser.c:1940–1979

* inputPush: * @ctxt: an XML parser context * @value: the parser input * * Pushes a new parser input on top of the input stack * * Returns -1 in case of error, the index in the stack otherwise */

 * Returns -1 in case of error, the index in the stack otherwise
 */
int
inputPush(xmlParserCtxtPtr ctxt, xmlParserInputPtr value)
{
    char *directory = NULL;

    if ((ctxt == NULL) || (value == NULL))
        return(-1);

    if (ctxt->inputNr >= ctxt->inputMax) {
        size_t newSize = ctxt->inputMax * 2;
        xmlParserInputPtr *tmp;

        tmp = (xmlParserInputPtr *) xmlRealloc(ctxt->inputTab,
                                               newSize * sizeof(*tmp));
        if (tmp == NULL) {
            xmlErrMemory(ctxt);
            return (-1);
        }
        ctxt->inputTab = tmp;
        ctxt->inputMax = newSize;
    }

    if ((ctxt->inputNr == 0) && (value->filename != NULL)) {
        directory = xmlParserGetDirectory(value->filename);
        if (directory == NULL) {
            xmlErrMemory(ctxt);
            return(-1);
        }
    }

    ctxt->inputTab[ctxt->inputNr] = value;
    ctxt->input = value;

    if (ctxt->inputNr == 0) {
        xmlFree(ctxt->directory);
        ctxt->directory = directory;
    }

    return(ctxt->inputNr++);
}
/**
 * inputPop:
 * @ctxt: an XML parser context