Function pn_buffer_append

c/src/core/buffer.c:142–160

}

int pn_buffer_append(pn_buffer_t *buf, const char *bytes, size_t size)
{
  if (!size) return 0;
  int err = pn_buffer_ensure(buf, size);
  if (err) return err;

  size_t tail = pni_buffer_tail(buf);
  size_t tail_space = pni_buffer_tail_space(buf);
  size_t n = pn_min(tail_space, size);

  // Heuristic check for a strange usage in messenger
  if (bytes!=buf->bytes+tail) {
    memcpy(buf->bytes + tail, bytes, n);
    memcpy(buf->bytes, bytes + n, size - n);
  }
  buf->size += size;

  return 0;
}

static size_t pni_buffer_index(pn_buffer_t *buf, size_t index)
{