From: Dan Fandrich <dan@coneharvesters.com>
Date: Thu, 27 Sep 2007 18:39:10 +0000 (+0000)
Subject: Don't strdup an empty string
X-Git-Tag: curl-7_17_1~180
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0819c3a8cfe3e56bb6a4b38fcbeb15ae2c5cb92f;p=thirdparty%2Fcurl.git

Don't strdup an empty string
---

diff --git a/lib/getenv.c b/lib/getenv.c
index 475c3d3ca5..ca88234fa5 100644
--- a/lib/getenv.c
+++ b/lib/getenv.c
@@ -55,7 +55,7 @@ char *GetEnv(const char *variable)
   if (env && strcmp("HOME",variable) == 0)
     env = decc$translate_vms(env);
 #endif
-  return env?strdup(env):NULL;
+  return (env && env[0])?strdup(env):NULL;
 #endif
 #endif
 }