--- dietlibc-0.27/lib/alloc.c.orig	2002-08-12 17:29:23 +0400
+++ dietlibc-0.27/lib/alloc.c	2002-08-12 17:32:44 +0400
@@ -178,7 +178,8 @@
 
 void *calloc(size_t nmemb, size_t _size) {
   register size_t size=_size*nmemb;
-  if (nmemb && size/nmemb!=_size) {
+  if ((nmemb | _size) >= (((size_t) 1) << (8 * sizeof (size_t) / 2))
+       && (_size && size / _size != nmemb)) {
     (*__errno_location())=ENOMEM;
     return 0;
   }
--- dietlibc-0.27/libstdio/fwrite.c.orig	2002-08-08 16:00:51 +0400
+++ dietlibc-0.27/libstdio/fwrite.c	2002-08-12 17:34:03 +0400
@@ -11,7 +11,7 @@
     stream->flags|=ERRORINDICATOR;
     return 0;
   }
-  if (!nmemb || len/nmemb!=size) return 0; /* check for integer overflow */
+  if (!len || len/nmemb!=size) return 0; /* check for integer overflow */
   if (len>stream->buflen || (stream->flags&NOBUF)) {
     if (fflush_unlocked(stream)) return 0;
     do {