2848 	int sz, result = -1;  in evbuffer_add_vprintf()  local
2878 		sz = evutil_vsnprintf(buffer, space, fmt, aq);  in evbuffer_add_vprintf()
2882 		if (sz < 0)  in evbuffer_add_vprintf()
2885 		    (size_t)sz >= EVBUFFER_CHAIN_MAX)  in evbuffer_add_vprintf()
2887 		if ((size_t)sz < space) {  in evbuffer_add_vprintf()
2888 			chain->off += sz;  in evbuffer_add_vprintf()
2889 			buf->total_len += sz;  in evbuffer_add_vprintf()
2890 			buf->n_add_for_cb += sz;  in evbuffer_add_vprintf()
2894 			result = sz;  in evbuffer_add_vprintf()
2897 		if ((chain = evbuffer_expand_singlechain(buf, sz + 1)) == NULL)  in evbuffer_add_vprintf()
3439 		size_t sz = cb->size_before_suspend;
3444 			cb->cb(buffer, sz, evbuffer_get_length(buffer), cb->cbarg);