Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| 2 | #include |
||
| 3 | |||
| 4 | void |
||
| 5 | swab(const void *from, void *to, int n) |
||
| 6 | { |
||
| 7 | unsigned long temp; |
||
| 8 | const char* fromc = from; |
||
| 9 | char* toc = to; |
||
| 10 | |||
| 11 | n >>= 1; n++; |
||
| 12 | #define STEP temp = *fromc++,*toc++ = *fromc++,*toc++ = temp |
||
| 13 | /* round to multiple of 8 */ |
||
| 14 | while ((--n) & 07) |
||
| 15 | STEP; |
||
| 16 | n >>= 3; |
||
| 17 | while (--n >= 0) { |
||
| 18 | STEP; STEP; STEP; STEP; |
||
| 19 | STEP; STEP; STEP; STEP; |
||
| 20 | } |
||
| 21 | } |