diff options
author | Yuchen Zeng <zyc@google.com> | 2016-05-31 14:06:01 -0700 |
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committer | Yuchen Zeng <zyc@google.com> | 2016-05-31 14:19:57 -0700 |
commit | 4594bd9d1b966e33d27396eb015f289eba82f443 (patch) | |
tree | fa1a65ab679c309d227b5cb493452da632c5c983 /src/core/lib/support/string_util_windows.c | |
parent | 886b3441441768216d8cb61ec63b8f974833c931 (diff) | |
parent | 0d6196025e62aea5aabc6341459f2c370e264230 (diff) |
Merge remote-tracking branch 'upstream/master' into base
Diffstat (limited to 'src/core/lib/support/string_util_windows.c')
-rw-r--r-- | src/core/lib/support/string_util_windows.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/core/lib/support/string_util_windows.c b/src/core/lib/support/string_util_windows.c new file mode 100644 index 0000000000..049c9a8c04 --- /dev/null +++ b/src/core/lib/support/string_util_windows.c @@ -0,0 +1,94 @@ +/* + * + * 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_WINDOWS + +/* 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_WINDOWS */ |