From d5d433e0c051cb0912421a1df3f239438928f7d2 Mon Sep 17 00:00:00 2001
From: Matthias Andree <matthias.andree@gmx.de>
Date: Sun, 28 Feb 2010 13:54:05 +0100
Subject: Make some explicit NULL checks to pacify llvm-clang's static analyzer

---
 env.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'env.c')

diff --git a/env.c b/env.c
index 2ac5a622..5dd54032 100644
--- a/env.c
+++ b/env.c
@@ -290,7 +290,7 @@ char *visbuf(const char *buf)
 
     needed = strlen(buf) * 5 + 1; /* worst case: HEX, plus NUL byte */
 
-    if (needed > vbufs) {
+    if (!vbuf || needed > vbufs) {
 	vbufs = needed;
 	vbuf = (char *)xrealloc(vbuf, vbufs);
     }
-- 
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