| /* |
| * |
| * Copyright 2016, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /* Posix code for gpr snprintf support. */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #ifdef GPR_WIN32 |
| |
| /* Some platforms (namely msys) need wchar to be included BEFORE |
| anything else, especially strsafe.h. */ |
| #include <wchar.h> |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <strsafe.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "src/core/lib/support/string.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 = 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 = gpr_malloc((unsigned)needed); |
| WideCharToMultiByte(CP_UTF8, 0, input, -1, ret, needed, NULL, NULL); |
| return ret; |
| } |
| #else |
| char *gpr_tchar_to_char(LPTSTR input) { return gpr_strdup(input); } |
| |
| char *gpr_char_to_tchar(LPTSTR input) { return 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_WIN32 */ |