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mirror of https://github.com/mpv-player/mpv synced 2024-11-14 22:48:35 +01:00
mpv/osdep/win32-console-wrapper.c
sfan5 9565675488 various: use correct PATH_MAX for win32
In commit c09245cdf2
long-path support was enabled for mpv without actually
making sure that there was no code left that used the
old limit (260 Unicode chars) for buffer sizes.
This commit fixes all but one case.
2023-12-27 22:55:56 +01:00

94 lines
2.9 KiB
C

/*
* conredir, a hack to get working console IO with Windows GUI applications
*
* Copyright (c) 2013, Martin Herkt
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <windows.h>
// copied from osdep/io.h since this file is standalone
#define MP_PATH_MAX (32000)
int wmain(int argc, wchar_t **argv, wchar_t **envp);
static void cr_perror(const wchar_t *prefix)
{
wchar_t *error;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&error, 0, NULL);
fwprintf(stderr, L"%s: %s", prefix, error);
LocalFree(error);
}
static int cr_runproc(wchar_t *name, wchar_t *cmdline)
{
STARTUPINFOW si;
STARTUPINFOW our_si;
PROCESS_INFORMATION pi;
DWORD retval = 1;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
si.dwFlags |= STARTF_USESTDHANDLES;
// Copy the list of inherited CRT file descriptors to the new process
our_si.cb = sizeof(our_si);
GetStartupInfoW(&our_si);
si.lpReserved2 = our_si.lpReserved2;
si.cbReserved2 = our_si.cbReserved2;
ZeroMemory(&pi, sizeof(pi));
if (!CreateProcessW(name, cmdline, NULL, NULL, TRUE, 0,
NULL, NULL, &si, &pi)) {
cr_perror(L"CreateProcess");
} else {
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &retval);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
return (int)retval;
}
int wmain(int argc, wchar_t **argv, wchar_t **envp)
{
wchar_t *cmd;
wchar_t *exe;
cmd = GetCommandLineW();
exe = LocalAlloc(LPTR, MP_PATH_MAX * sizeof(wchar_t));
GetModuleFileNameW(NULL, exe, MP_PATH_MAX);
wcscpy(wcsrchr(exe, '.') + 1, L"exe");
// Set an environment variable so the child process can tell whether it
// was started from this wrapper and attach to the console accordingly
SetEnvironmentVariableW(L"_started_from_console", L"yes");
return cr_runproc(exe, cmd);
}