[tsan] use our own GetEnv instead of libc's getenv

llvm-svn: 175498

compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc

@@ -243,7 +243,7 @@ const char *InitializePlatform() {
   g_tls_size = (uptr)InitTlsSize();
   InitDataSeg();
 #endif
-  return getenv(kTsanOptionsEnv);
+  return GetEnv(kTsanOptionsEnv);
 }
 
 void FinalizePlatform() {

compiler-rt/lib/tsan/rtl/tsan_platform_mac.cc

@@ -82,7 +82,7 @@ const char *InitializePlatform() {
     setrlimit(RLIMIT_CORE, (rlimit*)&lim);
   }
 
-  return getenv(kTsanOptionsEnv);
+  return GetEnv(kTsanOptionsEnv);
 }
 
 void FinalizePlatform() {

compiler-rt/lib/tsan/rtl/tsan_platform_windows.cc

@@ -34,7 +34,7 @@ void FlushShadowMemory() {
 }
 
 const char *InitializePlatform() {
-  return getenv(kTsanOptionsEnv);
+  return GetEnv(kTsanOptionsEnv);
 }
 
 void FinalizePlatform() {