From: ben <ben@cda61777-01e9-0310-a592-d414129be87e>
Date: Tue, 13 Sep 2005 20:17:10 +0000 (+0000)
Subject: When asked to malloc zero bytes, malloc one byte instead.  This ensures
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/commitdiff_plain/66ab14c717d6954a7fa5986c02b685271c6b5b64

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.


git-svn-id: svn://svn.tartarus.org/sgt/putty@6308 cda61777-01e9-0310-a592-d414129be87e
---

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