X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/5744f36c569590d4ed4e5b3e552d55236638dca5..d04c0e00da3a27693bbf9cc4f2d5c88e56d80f20:/sys/mdup.c

diff --git a/sys/mdup.c b/sys/mdup.c
index e86f209..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 ---------------------------------------------------*/
@@ -133,10 +134,13 @@ enum {
 #include <stdarg.h>
 #include <stdio.h>
 
+#include "macros.h"
+
 #define D(x) x
 
-static void dump(mdup_fdinfo *v, size_t n, mdup_fdinfo *dhead,
-		 const char *fmt, ...)
+static PRINTF_LIKE(4, 5) IGNORABLE
+  void dump(mdup_fdinfo *v, size_t n, mdup_fdinfo *dhead,
+	    const char *fmt, ...)
 {
   int i;
   mdup_fdinfo *f, *g;
@@ -373,7 +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;