Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/memmove.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | a06113de4d67 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Public domain. */ |
| 2 #include <stddef.h> | |
| 3 | |
| 4 void * | |
| 5 memmove (void *dest, const void *src, size_t len) | |
| 6 { | |
| 7 char *d = dest; | |
| 8 const char *s = src; | |
| 9 if (d < s) | |
| 10 while (len--) | |
| 11 *d++ = *s++; | |
| 12 else | |
| 13 { | |
| 14 char *lasts = s + (len-1); | |
| 15 char *lastd = d + (len-1); | |
| 16 while (len--) | |
| 17 *lastd-- = *lasts--; | |
| 18 } | |
| 19 return dest; | |
| 20 } |