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Co-authored-by: Алексей <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * iscygpty.h -- part of ptycheck | ||
| * https://github.com/k-takata/ptycheck | ||
| * | ||
| * Copyright (c) 2015-2017 K.Takata | ||
| * | ||
| * You can redistribute it and/or modify it under the terms of either | ||
| * the MIT license (as described below) or the Vim license. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining | ||
| * a copy of this software and associated documentation files (the | ||
| * "Software"), to deal in the Software without restriction, including | ||
| * without limitation the rights to use, copy, modify, merge, publish, | ||
| * distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to | ||
| * the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be | ||
| * included in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | ||
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | ||
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| #ifndef _ISCYGPTY_H | ||
| #define _ISCYGPTY_H | ||
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| #ifdef _WIN32 | ||
| int is_cygpty(int fd); | ||
| int is_cygpty_used(void); | ||
| #else | ||
| #define is_cygpty(fd) 0 | ||
| #define is_cygpty_used() 0 | ||
| #endif | ||
|
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| #endif /* _ISCYGPTY_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| /* | ||
| * iscygpty.c -- part of ptycheck | ||
| * https://github.com/k-takata/ptycheck | ||
| * | ||
| * Copyright (c) 2015-2017 K.Takata | ||
| * | ||
| * You can redistribute it and/or modify it under the terms of either | ||
| * the MIT license (as described below) or the Vim license. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining | ||
| * a copy of this software and associated documentation files (the | ||
| * "Software"), to deal in the Software without restriction, including | ||
| * without limitation the rights to use, copy, modify, merge, publish, | ||
| * distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to | ||
| * the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be | ||
| * included in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | ||
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | ||
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | ||
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| #ifdef _WIN32 | ||
|
|
||
| #include <ctype.h> | ||
| #include <io.h> | ||
| #include <wchar.h> | ||
| #include <windows.h> | ||
|
|
||
| #ifdef USE_FILEEXTD | ||
| /* VC 7.1 or earlier doesn't support SAL. */ | ||
| # if !defined(_MSC_VER) || (_MSC_VER < 1400) | ||
| # define __out | ||
| # define __in | ||
| # define __in_opt | ||
| # endif | ||
| /* Win32 FileID API Library: | ||
| * http://www.microsoft.com/en-us/download/details.aspx?id=22599 | ||
| * Needed for WinXP. */ | ||
| # include <fileextd.h> | ||
| #else /* USE_FILEEXTD */ | ||
| /* VC 8 or earlier. */ | ||
| # if defined(_MSC_VER) && (_MSC_VER < 1500) | ||
| # ifdef ENABLE_STUB_IMPL | ||
| # define STUB_IMPL | ||
| # else | ||
| # error "Win32 FileID API Library is required for VC2005 or earlier." | ||
| # endif | ||
| # endif | ||
| #endif /* USE_FILEEXTD */ | ||
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| #include "iscygpty.h" | ||
|
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| //#define USE_DYNFILEID | ||
| #ifdef USE_DYNFILEID | ||
| typedef BOOL (WINAPI *pfnGetFileInformationByHandleEx)( | ||
| HANDLE hFile, | ||
| FILE_INFO_BY_HANDLE_CLASS FileInformationClass, | ||
| LPVOID lpFileInformation, | ||
| DWORD dwBufferSize | ||
| ); | ||
| static pfnGetFileInformationByHandleEx pGetFileInformationByHandleEx = NULL; | ||
|
|
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| # ifndef USE_FILEEXTD | ||
| static BOOL WINAPI stub_GetFileInformationByHandleEx( | ||
| HANDLE hFile, | ||
| FILE_INFO_BY_HANDLE_CLASS FileInformationClass, | ||
| LPVOID lpFileInformation, | ||
| DWORD dwBufferSize | ||
| ) | ||
| { | ||
| return FALSE; | ||
| } | ||
| # endif | ||
|
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| static void setup_fileid_api(void) | ||
| { | ||
| if (pGetFileInformationByHandleEx != NULL) { | ||
| return; | ||
| } | ||
| pGetFileInformationByHandleEx = (pfnGetFileInformationByHandleEx) | ||
| GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), | ||
| "GetFileInformationByHandleEx"); | ||
| if (pGetFileInformationByHandleEx == NULL) { | ||
| # ifdef USE_FILEEXTD | ||
| pGetFileInformationByHandleEx = GetFileInformationByHandleEx; | ||
| # else | ||
| pGetFileInformationByHandleEx = stub_GetFileInformationByHandleEx; | ||
| # endif | ||
| } | ||
| } | ||
| #else | ||
| # define pGetFileInformationByHandleEx GetFileInformationByHandleEx | ||
| # define setup_fileid_api() | ||
| #endif | ||
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|
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| #define is_wprefix(s, prefix) \ | ||
| (wcsncmp((s), (prefix), sizeof(prefix) / sizeof(WCHAR) - 1) == 0) | ||
|
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| /* Check if the fd is a cygwin/msys's pty. */ | ||
| int is_cygpty(int fd) | ||
| { | ||
| #ifdef STUB_IMPL | ||
| return 0; | ||
| #else | ||
| HANDLE h; | ||
| int size = sizeof(FILE_NAME_INFO) + sizeof(WCHAR) * (MAX_PATH - 1); | ||
| FILE_NAME_INFO *nameinfo; | ||
| WCHAR *p = NULL; | ||
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| setup_fileid_api(); | ||
|
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| h = (HANDLE) _get_osfhandle(fd); | ||
| if (h == INVALID_HANDLE_VALUE) { | ||
| return 0; | ||
| } | ||
| /* Cygwin/msys's pty is a pipe. */ | ||
| if (GetFileType(h) != FILE_TYPE_PIPE) { | ||
| return 0; | ||
| } | ||
| nameinfo = malloc(size + sizeof(WCHAR)); | ||
| if (nameinfo == NULL) { | ||
| return 0; | ||
| } | ||
| /* Check the name of the pipe: | ||
| * '\{cygwin,msys}-XXXXXXXXXXXXXXXX-ptyN-{from,to}-master' */ | ||
| if (pGetFileInformationByHandleEx(h, FileNameInfo, nameinfo, size)) { | ||
| nameinfo->FileName[nameinfo->FileNameLength / sizeof(WCHAR)] = L'\0'; | ||
| p = nameinfo->FileName; | ||
| if (is_wprefix(p, L"\\cygwin-")) { /* Cygwin */ | ||
| p += 8; | ||
| } else if (is_wprefix(p, L"\\msys-")) { /* MSYS and MSYS2 */ | ||
| p += 6; | ||
| } else { | ||
| p = NULL; | ||
| } | ||
| if (p != NULL) { | ||
| while (*p && isxdigit(*p)) /* Skip 16-digit hexadecimal. */ | ||
| ++p; | ||
| if (is_wprefix(p, L"-pty")) { | ||
| p += 4; | ||
| } else { | ||
| p = NULL; | ||
| } | ||
| } | ||
| if (p != NULL) { | ||
| while (*p && isdigit(*p)) /* Skip pty number. */ | ||
| ++p; | ||
| if (is_wprefix(p, L"-from-master")) { | ||
| //p += 12; | ||
| } else if (is_wprefix(p, L"-to-master")) { | ||
| //p += 10; | ||
| } else { | ||
| p = NULL; | ||
| } | ||
| } | ||
| } | ||
| free(nameinfo); | ||
| return (p != NULL); | ||
| #endif /* STUB_IMPL */ | ||
| } | ||
|
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| /* Check if at least one cygwin/msys pty is used. */ | ||
| int is_cygpty_used(void) | ||
| { | ||
| int fd, ret = 0; | ||
|
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| for (fd = 0; fd < 3; fd++) { | ||
| ret |= is_cygpty(fd); | ||
| } | ||
| return ret; | ||
| } | ||
|
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| #endif /* _WIN32 */ | ||
|
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| /* vim: set ts=4 sw=4: */ |
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