Mercurial > hg > CbC > CbC_gcc
annotate libgcc/memmove.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
rev | line source |
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111 | 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 } |