From f2d8fd97d09cb2ef5f3bce495439060234dc36fd Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Tue, 13 Sep 2005 20:17:10 +0000
Subject: [PATCH] When asked to malloc zero bytes, malloc one byte instead. 
 This ensures that we get a unique pointer rather than NULL (which ANSI C
 otherwise permits). Problem pointed out by Mike Protts.

[originally from svn r6308]
---
 misc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/misc.c b/misc.c
index 9d71a8d4..9c8d2039 100644
--- a/misc.c
+++ b/misc.c
@@ -441,6 +441,7 @@ void *safemalloc(size_t n, size_t size)
 	p = NULL;
     } else {
 	size *= n;
+	if (size == 0) size = 1;
 #ifdef MINEFIELD
 	p = minefield_c_malloc(size);
 #else