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 9d71a8d..9c8d203 100644 (file)
--- 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