From 83062842c3601faeddcae8f901c515e3c78f3661 Mon Sep 17 00:00:00 2001
From: Yash Tibrewal <yashkt@google.com>
Date: Thu, 21 Sep 2017 18:56:08 -0700
Subject: Changes for C to C++. Adding extern C to header files for
 compatibility. Also converting to .cc

---
 src/core/lib/support/env_windows.cc | 69 +++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/core/lib/support/env_windows.cc

(limited to 'src/core/lib/support/env_windows.cc')

diff --git a/src/core/lib/support/env_windows.cc b/src/core/lib/support/env_windows.cc
new file mode 100644
index 0000000000..652eeb61c6
--- /dev/null
+++ b/src/core/lib/support/env_windows.cc
@@ -0,0 +1,69 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_WINDOWS_ENV
+
+#include <windows.h>
+
+#include "src/core/lib/support/env.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/support/string_windows.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+const char *gpr_getenv_silent(const char *name, char **dst) {
+  *dst = gpr_getenv(name);
+  return NULL;
+}
+
+char *gpr_getenv(const char *name) {
+  char *result = NULL;
+  DWORD size;
+  LPTSTR tresult = NULL;
+  LPTSTR tname = gpr_char_to_tchar(name);
+  DWORD ret;
+
+  ret = GetEnvironmentVariable(tname, NULL, 0);
+  if (ret == 0) return NULL;
+  size = ret * (DWORD)sizeof(TCHAR);
+  tresult = gpr_malloc(size);
+  ret = GetEnvironmentVariable(tname, tresult, size);
+  gpr_free(tname);
+  if (ret == 0) {
+    gpr_free(tresult);
+    return NULL;
+  }
+  result = gpr_tchar_to_char(tresult);
+  gpr_free(tresult);
+  return result;
+}
+
+void gpr_setenv(const char *name, const char *value) {
+  LPTSTR tname = gpr_char_to_tchar(name);
+  LPTSTR tvalue = gpr_char_to_tchar(value);
+  BOOL res = SetEnvironmentVariable(tname, tvalue);
+  gpr_free(tname);
+  gpr_free(tvalue);
+  GPR_ASSERT(res);
+}
+
+#endif /* GPR_WINDOWS_ENV */
-- 
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