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Diffstat (limited to 'kernel/libc/string/memmove.c')
| -rw-r--r-- | kernel/libc/string/memmove.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/libc/string/memmove.c b/kernel/libc/string/memmove.c index 5fc49f7..3446643 100644 --- a/kernel/libc/string/memmove.c +++ b/kernel/libc/string/memmove.c @@ -3,6 +3,9 @@ // copy bytes in memory with overlapping areas // https://pubs.opengroup.org/onlinepubs/9699919799/functions/memmove.html void *memmove(void *s1, const void *s2, size_t n) { + if(0 == n) { + return s1; + } // Copying takes place as if the n bytes from the object pointed to by s2 are // first copied into a temporary array of n bytes that does not overlap the // objects pointed to by s1 and s2, and then the n bytes from the temporary |