diff options
Diffstat (limited to 'src/core/lib/gpr/string_util_windows.cc')
-rw-r--r-- | src/core/lib/gpr/string_util_windows.cc | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/core/lib/gpr/string_util_windows.cc b/src/core/lib/gpr/string_util_windows.cc new file mode 100644 index 0000000000..8c8c99cd21 --- /dev/null +++ b/src/core/lib/gpr/string_util_windows.cc @@ -0,0 +1,82 @@ +/* + * + * 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 */ |