1 files changed, 3 insertions, 1 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 19418bd6686..f9bcaed0117 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -796,8 +796,10 @@ xpalloc (void *pa, ptrdiff_t *nitems, ptrdiff_t nitems_incr_min,
 char *
 xstrdup (const char *s)
 {
+  ptrdiff_t size;
   eassert (s);
-  return strcpy (xmalloc (strlen (s) + 1), s);
+  size = strlen (s) + 1;
+  return memcpy (xmalloc (size), s, size);
 }
 
 /* Like putenv, but (1) use the equivalent of xmalloc and (2) the