diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -38,3 +38,23 @@ memcmp(const void *v1, const void *v2, unsigned n) return 0; } + +void * +memmove(void *dst, const void *src, unsigned n) +{ + const char *s; + char *d; + + s = src; + d = dst; + if (s < d && s + n > d) { + s += n; + d += n; + while (n-- > 0) + *--d = *--s; + } else + while (n-- > 0) + *d++ = *s++; + + return dst; +} |