| Eric Biederman | 5cd8173 | 2004-03-11 15:01:31 +0000 | [diff] [blame] | 1 | #include <string.h> |
| 2 | void *memmove(void *vdest, const void *vsrc, size_t count) | ||||
| 3 | { | ||||
| 4 | const char *src = vsrc; | ||||
| 5 | char *dest = vdest; | ||||
| Eric Biederman | 5cd8173 | 2004-03-11 15:01:31 +0000 | [diff] [blame] | 6 | |
| 7 | if (dest <= src) { | ||||
| 8 | while (count--) { | ||||
| 9 | *dest++ = *src++; | ||||
| 10 | } | ||||
| 11 | } else { | ||||
| 12 | src += count - 1; | ||||
| 13 | dest += count - 1; | ||||
| 14 | while(count--) { | ||||
| 15 | *dest-- = *src--; | ||||
| 16 | } | ||||
| 17 | } | ||||
| 18 | return vdest; | ||||
| 19 | } | ||||