208c208,209
< memset (ps, 0, sizeof(mbstate_t));
---
> if (ps)
> memset (ps, 0, sizeof(mbstate_t));
215c216,217
< memset (ps, 0, sizeof(mbstate_t));
---
> if (ps)
> memset (ps, 0, sizeof(mbstate_t));
228,230c230,235
< char *buf1, *buf2;
< mbstate_t *ps1, *ps2;
< int pos1, pos2;
---
> char *buf1;
> int pos1;
> mbstate_t *ps1;
> char *buf2;
> int pos2;
> mbstate_t *ps2;
279c284,285
< memset (ps, 0, sizeof (mbstate_t));
---
> if (ps)
> memset (ps, 0, sizeof (mbstate_t));
280a287,288
> else if (tmp == 0)
> pos++;