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| Source at commit 296 created 12 years 10 months ago. By ifabio, add i386 folder | |
|---|---|
| 1 | /*␊ |
| 2 | * memswap()␊ |
| 3 | *␊ |
| 4 | * Swaps the contents of two nonoverlapping memory areas.␊ |
| 5 | * This really could be done faster...␊ |
| 6 | */␊ |
| 7 | ␊ |
| 8 | #include <string.h>␊ |
| 9 | ␊ |
| 10 | void memswap(void *m1, void *m2, size_t n)␊ |
| 11 | {␊ |
| 12 | ␉char *p = m1;␊ |
| 13 | ␉char *q = m2;␊ |
| 14 | ␉char tmp;␊ |
| 15 | ␊ |
| 16 | ␉while (n--) {␊ |
| 17 | ␉␉tmp = *p;␊ |
| 18 | ␉␉*p = *q;␊ |
| 19 | ␉␉*q = tmp;␊ |
| 20 | ␊ |
| 21 | ␉␉p++;␊ |
| 22 | ␉␉q++;␊ |
| 23 | ␉}␊ |
| 24 | }␊ |
| 25 | |
