Function xmlBufGrow

ThirdParty/libxml2/vtklibxml2/buf.c:442–453

* xmlBufGrow: * @buf: the buffer * @len: the minimum free size to allocate * * Grow the available space of an XML buffer, @len is the target value * This is been kept compatible with xmlBufferGrow() as much as possible * * Returns -1 in case of error or the length made available otherwise */

 * Returns -1 in case of error or the length made available otherwise
 */
int
xmlBufGrow(xmlBufPtr buf, int len) {
    size_t ret;

    if ((buf == NULL) || (len < 0)) return(-1);
    if (len == 0)
        return(0);
    ret = xmlBufGrowInternal(buf, len);
    if (buf->error != 0)
        return(-1);
    return(ret > INT_MAX ? INT_MAX : ret);
}

/**
 * xmlBufDump: