diff options
| -rw-r--r-- | runtime/libprofile/CommonProfiling.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/runtime/libprofile/CommonProfiling.c b/runtime/libprofile/CommonProfiling.c index 058270b..8f4119c 100644 --- a/runtime/libprofile/CommonProfiling.c +++ b/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. */ |