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-rw-r--r--src/string/wmemmove.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/string/wmemmove.c b/src/string/wmemmove.c
index d58cebac..964c9032 100644
--- a/src/string/wmemmove.c
+++ b/src/string/wmemmove.c
@@ -4,6 +4,7 @@
 wchar_t *wmemmove(wchar_t *d, const wchar_t *s, size_t n)
 {
 	wchar_t *d0 = d;
+	if (d == s) return d;
 	if ((uintptr_t)d-(uintptr_t)s < n * sizeof *d)
 		while (n--) d[n] = s[n];
 	else