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libprofile/CommonProfiling.c: Fix according to C89.

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llvm-svn: 167272
This commit is contained in:
NAKAMURA Takumi 2012-11-02 01:32:02 +00:00
parent bd0e2b7111
commit d1cc9db3d6
1 changed files with 2 additions and 2 deletions
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llvm/runtime/libprofile/CommonProfiling.c
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@ -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.
*/