6881     ret->contentIO = NULL;  in xmlBufferCreate()
6914     ret->contentIO = NULL;  in xmlBufferCreateSize()
6991         (buf->contentIO != NULL)) {  in xmlBufferFree()
6992         xmlFree(buf->contentIO);  in xmlBufferFree()
7014                (buf->contentIO != NULL)) {  in xmlBufferEmpty()
7015         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferEmpty()
7018         buf->content = buf->contentIO;  in xmlBufferEmpty()
7042         ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL))) {  in xmlBufferShrink()
7054 	if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferShrink()
7055 	    size_t start_buf = buf->content - buf->contentIO;  in xmlBufferShrink()
7057 		memmove(buf->contentIO, &buf->content[0], buf->use);  in xmlBufferShrink()
7058 		buf->content = buf->contentIO;  in xmlBufferShrink()
7104     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferGrow()
7105         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferGrow()
7107 	newbuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + size);  in xmlBufferGrow()
7112 	buf->contentIO = newbuf;  in xmlBufferGrow()
7241     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferResize()
7242         start_buf = buf->content - buf->contentIO;  in xmlBufferResize()
7246 	    memmove(buf->contentIO, buf->content, buf->use);  in xmlBufferResize()
7247 	    buf->content = buf->contentIO;  in xmlBufferResize()
7251 	    rebuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + newSize);  in xmlBufferResize()
7256 	    buf->contentIO = rebuf;  in xmlBufferResize()
7377     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferAddHead()
7378         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferAddHead()