From: José Fonseca <jose.r.fonseca@gmail.com>
Date: Thu, 19 Apr 2012 16:21:23 +0000 (+0100)
Subject: Preserve non-NULL arrays, even when length is zero.
X-Git-Url: https://git.cworth.org/git?a=commitdiff_plain;h=016f0595bb08cb9ddb420f66f5b3dc582be1adcf;p=apitrace

Preserve non-NULL arrays, even when length is zero.
---

diff --git a/retrace/retrace.hpp b/retrace/retrace.hpp
index c1e556a..4ee1a61 100644
--- a/retrace/retrace.hpp
+++ b/retrace/retrace.hpp
@@ -101,9 +101,8 @@ public:
 
     inline void *
     alloc(size_t size) {
-        if (!size) {
-            return NULL;
-        }
+        /* Always return valid address, even when size is zero */
+        size = std::max(size, sizeof(uintptr_t));
 
         uintptr_t * buf = static_cast<uintptr_t *>(malloc(sizeof(uintptr_t) + size));
         if (!buf) {