Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc / deps / grpc / src / core / lib / gpr / string_util_windows.cc

diff --git a/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/string_util_windows.cc b/legacy-libs/grpc/deps/grpc/src/core/lib/gpr/string_util_windows.cc
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+/*
+ *
+ * Copyright 2016 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.
+ *
+ */
+
+/* Posix code for gpr snprintf support. */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_WINDOWS
+
+/* Some platforms (namely msys) need wchar to be included BEFORE
+   anything else, especially strsafe.h. */
+#include <wchar.h>
+
+#include <inttypes.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <strsafe.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log_windows.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/gpr/string.h"
+#include "src/core/lib/gpr/string_windows.h"
+
+#if defined UNICODE || defined _UNICODE
+LPTSTR
+gpr_char_to_tchar(LPCSTR input) {
+  LPTSTR ret;
+  int needed = MultiByteToWideChar(CP_UTF8, 0, input, -1, NULL, 0);
+  if (needed <= 0) return NULL;
+  ret = (LPTSTR)gpr_malloc((unsigned)needed * sizeof(TCHAR));
+  MultiByteToWideChar(CP_UTF8, 0, input, -1, ret, needed);
+  return ret;
+}
+
+LPSTR
+gpr_tchar_to_char(LPCTSTR input) {
+  LPSTR ret;
+  int needed = WideCharToMultiByte(CP_UTF8, 0, input, -1, NULL, 0, NULL, NULL);
+  if (needed <= 0) return NULL;
+  ret = (LPSTR)gpr_malloc((unsigned)needed);
+  WideCharToMultiByte(CP_UTF8, 0, input, -1, ret, needed, NULL, NULL);
+  return ret;
+}
+#else
+LPSTR gpr_tchar_to_char(LPCTSTR input) { return (LPSTR)gpr_strdup(input); }
+
+LPTSTR gpr_char_to_tchar(LPCTSTR input) { return (LPTSTR)gpr_strdup(input); }
+#endif
+
+char* gpr_format_message(int messageid) {
+  LPTSTR tmessage;
+  char* message;
+  DWORD status = FormatMessage(
+      FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
+          FORMAT_MESSAGE_IGNORE_INSERTS,
+      NULL, (DWORD)messageid, MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT),
+      (LPTSTR)(&tmessage), 0, NULL);
+  if (status == 0) return gpr_strdup("Unable to retrieve error string");
+  message = gpr_tchar_to_char(tmessage);
+  LocalFree(tmessage);
+  return message;
+}
+
+#endif /* GPR_WINDOWS */