38 #define ensure_writable(sz) if ((ws->offset<0) || (ws->offset + (sz) >= ws->size)) { \
39   ws->offset = -1; \
44 ws->buf[ws->offset++] = (b); \
45 memcpy(ws->buf+ws->offset, (data), (sz)); \
46 ws->offset += sz;
49 ws->buf[ws->offset++] = (b); \
79 static void _write_positive(cn_write_state *ws, cn_cbor_type typ, uint64_t val) {  in _write_positive()  argument
86     ws->offset = -1;  in _write_positive()
116 static void _write_double(cn_write_state *ws, double val)  in _write_double()  argument
221 if (ws->offset < 0) { return; }
225   cn_write_state *ws = context;  in _encoder_visitor()  local
233       CHECK(_write_positive(ws, CN_CBOR_ARRAY, cb->length));  in _encoder_visitor()
240       CHECK(_write_positive(ws, CN_CBOR_MAP, cb->length/2));  in _encoder_visitor()
250     CHECK(_write_positive(ws, cb->type, cb->length));  in _encoder_visitor()
252     memcpy(ws->buf+ws->offset, cb->v.str, cb->length);  in _encoder_visitor()
253     ws->offset += cb->length;  in _encoder_visitor()
266     CHECK(_write_positive(ws, cb->type, cb->v.uint));  in _encoder_visitor()
271     CHECK(_write_positive(ws, CN_CBOR_INT, ~(cb->v.sint)));  in _encoder_visitor()
276     CHECK(_write_double(ws, cb->v.dbl));  in _encoder_visitor()
281     ws->offset = -1;  in _encoder_visitor()
288   cn_write_state *ws = context;  in _encoder_breaker()  local
299   cn_write_state ws = { buf, buf_offset, buf_size };  in cn_cbor_encoder_write()  local
300   _visit(cb, _encoder_visitor, _encoder_breaker, &ws);  in cn_cbor_encoder_write()
301   if (ws.offset < 0) { return -1; }  in cn_cbor_encoder_write()
302   return ws.offset - buf_offset;  in cn_cbor_encoder_write()