- if ((o - dst) + MAX_MULTIBYTE_LENGTH > o_size)
- { /* Not enough space for the next char: grow the destination. */
- unsigned char *old_dst = dst;
- o_size += o_size; /* Probably overkill, but extremely rare. */
- SAFE_ALLOCA (dst, void *, o_size);
- memcpy (dst, old_dst, o - old_dst);
- o = dst + (o - old_dst);
- }