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-rw-r--r--3rdparty/zlib/examples/gzappend.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/3rdparty/zlib/examples/gzappend.c b/3rdparty/zlib/examples/gzappend.c
index 662dec3794b..d7eea3e97a5 100644
--- a/3rdparty/zlib/examples/gzappend.c
+++ b/3rdparty/zlib/examples/gzappend.c
@@ -137,7 +137,7 @@ local void rotate(unsigned char *list, unsigned len, unsigned rot)
/* do simple left shift by one */
if (rot == 1) {
tmp = *list;
- memcpy(list, list + 1, len - 1);
+ memmove(list, list + 1, len - 1);
*last = tmp;
return;
}