1 files changed, 41 insertions, 0 deletions
diff --git a/src/core/lib/gpr/env.h b/src/core/lib/gpr/env.h
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+++ b/src/core/lib/gpr/env.h
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+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_GPR_ENV_H
+#define GRPC_CORE_LIB_GPR_ENV_H
+
+#include <stdio.h>
+
+/* Env utility functions */
+
+/* Gets the environment variable value with the specified name.
+   Returns a newly allocated string. It is the responsability of the caller to
+   gpr_free the return value if not NULL (which means that the environment
+   variable exists). */
+char* gpr_getenv(const char* name);
+
+/* Sets the the environment with the specified name to the specified value. */
+void gpr_setenv(const char* name, const char* value);
+
+/* This is a version of gpr_getenv that does not produce any output if it has to
+   use an insecure version of the function. It is ONLY to be used to solve the
+   problem in which we need to check an env variable to configure the verbosity
+   level of logging. So DO NOT USE THIS. */
+const char* gpr_getenv_silent(const char* name, char** dst);
+
+#endif /* GRPC_CORE_LIB_GPR_ENV_H */