From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Fri, 2 Nov 2012 01:32:02 +0000 (+0000)
Subject: libprofile/CommonProfiling.c: Fix according to C89.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d1cc9db3d649b79cb59e8831b83dcba1ff80121a;p=platform%2Fupstream%2Fllvm.git

libprofile/CommonProfiling.c: Fix according to C89.

llvm-svn: 167272
---

diff --git a/llvm/runtime/libprofile/CommonProfiling.c b/llvm/runtime/libprofile/CommonProfiling.c
index 058270b..8f4119c 100644
--- a/llvm/runtime/libprofile/CommonProfiling.c
+++ b/llvm/runtime/libprofile/CommonProfiling.c
@@ -36,10 +36,10 @@ static const char *OutputFilename = "llvmprof.out";
  * variable is set.  If it is then save it and set OutputFilename.
  */
 static void check_environment_variable(void) {
+  const char *EnvVar;
   if (SavedEnvVar) return; /* Guarantee that we can't leak memory. */
 
-  const char *EnvVar = getenv("LLVMPROF_OUTPUT");
-  if (EnvVar) {
+  if ((EnvVar = getenv("LLVMPROF_OUTPUT")) != NULL) {
     /* The string that getenv returns is allowed to be statically allocated,
      * which means it may be changed by future calls to getenv, so copy it.
      */