X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/31d0247cc58abc0b0720aa7e9972011c5a66995c..d04c0e00da3a27693bbf9cc4f2d5c88e56d80f20:/sys/mdup.c

diff --git a/sys/mdup.c b/sys/mdup.c
index e4cb260..ed483bb 100644
--- a/sys/mdup.c
+++ b/sys/mdup.c
@@ -32,6 +32,7 @@
 
 #include <unistd.h>
 
+#include "alloc.h"
 #include "mdup.h"
 
 /*----- Data structures ---------------------------------------------------*/
@@ -376,7 +377,7 @@ int mdup(mdup_fd *v, size_t n)
    * way.
    */
 
-  if ((vv = malloc(sizeof(*vv) * n)) == 0)
+  if (!NEWV_SAFE_P(vv, n) || (vv = malloc(n*sizeof(*vv))) == 0)
     return (-1);
 
   dhead = 0;