mirror of
https://github.com/vim/vim
synced 2025-03-16 14:57:52 +01:00
Problem: win32: iscygpty needs update Solution: Update iscygpty to the latest version, make use iswascii() API function Import the latest version from https://github.com/k-takata/ptycheck. This addresses #13332 for iscygpty() closes: #13392 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Ken Takata <kentkt@csc.jp>
190 lines
4.9 KiB
C
190 lines
4.9 KiB
C
/*
|
|
* iscygpty.c -- part of ptycheck
|
|
* https://github.com/k-takata/ptycheck
|
|
*
|
|
* Copyright (c) 2015-2023 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
|
|
|
|
#ifdef __MINGW32__
|
|
# define UNUSED __attribute__((unused))
|
|
#else
|
|
# define UNUSED
|
|
#endif
|
|
|
|
#include "iscygpty.h"
|
|
|
|
//#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;
|
|
|
|
# ifndef USE_FILEEXTD
|
|
static BOOL WINAPI stub_GetFileInformationByHandleEx(
|
|
HANDLE hFile UNUSED,
|
|
FILE_INFO_BY_HANDLE_CLASS FileInformationClass UNUSED,
|
|
LPVOID lpFileInformation UNUSED,
|
|
DWORD dwBufferSize UNUSED)
|
|
{
|
|
return FALSE;
|
|
}
|
|
# endif
|
|
|
|
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
|
|
|
|
|
|
#define is_wprefix(s, prefix) \
|
|
(wcsncmp((s), (prefix), sizeof(prefix) / sizeof(WCHAR) - 1) == 0)
|
|
|
|
// Check if the fd is a cygwin/msys's pty.
|
|
int is_cygpty(int fd)
|
|
{
|
|
#ifdef STUB_IMPL
|
|
return 0;
|
|
#else
|
|
HANDLE h;
|
|
const int size = sizeof(FILE_NAME_INFO) + sizeof(WCHAR) * (MAX_PATH - 1);
|
|
FILE_NAME_INFO *nameinfo;
|
|
WCHAR *p = NULL;
|
|
|
|
setup_fileid_api();
|
|
|
|
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) {
|
|
// Skip 16-digit hexadecimal.
|
|
while (*p && iswascii(*p) && isxdigit(*p))
|
|
++p;
|
|
if (is_wprefix(p, L"-pty")) {
|
|
p += 4;
|
|
} else {
|
|
p = NULL;
|
|
}
|
|
}
|
|
if (p != NULL) {
|
|
// Skip pty number.
|
|
while (*p && iswascii(*p) && isdigit(*p))
|
|
++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
|
|
}
|
|
|
|
// Check if at least one cygwin/msys pty is used.
|
|
int is_cygpty_used(void)
|
|
{
|
|
int fd, ret = 0;
|
|
|
|
for (fd = 0; fd < 3; fd++) {
|
|
ret |= is_cygpty(fd);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif // _WIN32
|
|
|
|
// vim: set ts=4 sw=4:
|