6856     ret->contentIO = NULL;  in xmlBufferCreate()
6889     ret->contentIO = NULL;  in xmlBufferCreateSize()
6966         (buf->contentIO != NULL)) {  in xmlBufferFree()
6967         xmlFree(buf->contentIO);  in xmlBufferFree()
6989                (buf->contentIO != NULL)) {  in xmlBufferEmpty()
6990         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferEmpty()
6993         buf->content = buf->contentIO;  in xmlBufferEmpty()
7017         ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL))) {  in xmlBufferShrink()
7029 	if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferShrink()
7030 	    size_t start_buf = buf->content - buf->contentIO;  in xmlBufferShrink()
7032 		memmove(buf->contentIO, &buf->content[0], buf->use);  in xmlBufferShrink()
7033 		buf->content = buf->contentIO;  in xmlBufferShrink()
7077     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferGrow()
7078         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferGrow()
7080 	newbuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + size);  in xmlBufferGrow()
7085 	buf->contentIO = newbuf;  in xmlBufferGrow()
7214     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferResize()
7215         start_buf = buf->content - buf->contentIO;  in xmlBufferResize()
7219 	    memmove(buf->contentIO, buf->content, buf->use);  in xmlBufferResize()
7220 	    buf->content = buf->contentIO;  in xmlBufferResize()
7224 	    rebuf = (xmlChar *) xmlRealloc(buf->contentIO, start_buf + newSize);  in xmlBufferResize()
7229 	    buf->contentIO = rebuf;  in xmlBufferResize()
7350     if ((buf->alloc == XML_BUFFER_ALLOC_IO) && (buf->contentIO != NULL)) {  in xmlBufferAddHead()
7351         size_t start_buf = buf->content - buf->contentIO;  in xmlBufferAddHead()