fix getenv check

src/sched_policies/deque_modeling_policy_data_aware.c

@@ -1016,7 +1016,7 @@ static void initialize_dmda_policy(unsigned sched_ctx_id)
 	dt->beta = starpu_get_env_float_default("STARPU_SCHED_BETA", _STARPU_SCHED_BETA_DEFAULT);
 	/* data->_gamma: cost of one Joule in us. If gamma is set to 10^6, then one Joule cost 1s */
 #ifdef STARPU_NON_BLOCKING_DRIVERS
-	if (getenv("STARPU_SCHED_GAMMA"))
+	if (starpu_getenv("STARPU_SCHED_GAMMA"))
 		_STARPU_DISP("Warning: STARPU_SCHED_GAMMA was used, but --enable-blocking-drivers configuration was not set, CPU cores will not actually be sleeping\n");
 #endif
 	dt->_gamma = starpu_get_env_float_default("STARPU_SCHED_GAMMA", _STARPU_SCHED_GAMMA_DEFAULT);

src/sched_policies/helper_mct.c

@@ -47,7 +47,7 @@ struct _starpu_mct_data *starpu_mct_init_parameters(struct starpu_sched_componen
 		data->alpha = starpu_get_env_float_default("STARPU_SCHED_ALPHA", _STARPU_SCHED_ALPHA_DEFAULT);
 		data->beta = starpu_get_env_float_default("STARPU_SCHED_BETA", _STARPU_SCHED_BETA_DEFAULT);
 #ifdef STARPU_NON_BLOCKING_DRIVERS
-		if (getenv("STARPU_SCHED_GAMMA"))
+		if (starpu_getenv("STARPU_SCHED_GAMMA"))
 			_STARPU_DISP("Warning: STARPU_SCHED_GAMMA was used, but --enable-blocking-drivers configuration was not set, CPU cores will not actually be sleeping\n");
 #endif
 		data->_gamma = starpu_get_env_float_default("STARPU_SCHED_GAMMA", _STARPU_SCHED_GAMMA_DEFAULT);

src/sched_policies/parallel_heft.c

@@ -568,7 +568,7 @@ static void initialize_parallel_heft_policy(unsigned sched_ctx_id)
 	hd->alpha = starpu_get_env_float_default("STARPU_SCHED_ALPHA", _STARPU_SCHED_ALPHA_DEFAULT);
 	hd->beta = starpu_get_env_float_default("STARPU_SCHED_BETA", _STARPU_SCHED_BETA_DEFAULT);
 #ifdef STARPU_NON_BLOCKING_DRIVERS
-	if (getenv("STARPU_SCHED_GAMMA"))
+	if (starpu_getenv("STARPU_SCHED_GAMMA"))
 		_STARPU_DISP("Warning: STARPU_SCHED_GAMMA was used, but --enable-blocking-drivers configuration was not set, CPU cores will not actually be sleeping\n");
 #endif
 	hd->_gamma = starpu_get_env_float_default("STARPU_SCHED_GAMMA", _STARPU_SCHED_GAMMA_DEFAULT);