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// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
#include "nvim/vim.h"
#include "nvim/os/input.h"
#include "nvim/os/os_win_console.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "os/os_win_console.c.generated.h"
#endif
int os_get_conin_fd(void)
{
const HANDLE conin_handle = CreateFile("CONIN$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING, 0, (HANDLE)NULL);
assert(conin_handle != INVALID_HANDLE_VALUE);
int conin_fd = _open_osfhandle((intptr_t)conin_handle, _O_RDONLY);
assert(conin_fd != -1);
return conin_fd;
}
void os_replace_stdin_to_conin(void)
{
close(STDIN_FILENO);
const int conin_fd = os_get_conin_fd();
assert(conin_fd == STDIN_FILENO);
}
void os_replace_stdout_and_stderr_to_conout(void)
{
const HANDLE conout_handle =
CreateFile("CONOUT$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
(LPSECURITY_ATTRIBUTES)NULL,
OPEN_EXISTING, 0, (HANDLE)NULL);
assert(conout_handle != INVALID_HANDLE_VALUE);
close(STDOUT_FILENO);
const int conout_fd = _open_osfhandle((intptr_t)conout_handle, 0);
assert(conout_fd == STDOUT_FILENO);
close(STDERR_FILENO);
const int conerr_fd = _open_osfhandle((intptr_t)conout_handle, 0);
assert(conerr_fd == STDERR_FILENO);
}
void os_set_vtp(bool enable)
{
static TriState is_legacy = kNone;
if (is_legacy == kNone) {
uv_tty_vtermstate_t state;
uv_tty_get_vterm_state(&state);
is_legacy = (state == UV_TTY_UNSUPPORTED) ? kTrue : kFalse;
}
if (!is_legacy && !os_has_vti()) {
uv_tty_set_vterm_state(enable ? UV_TTY_SUPPORTED : UV_TTY_UNSUPPORTED);
}
}
static bool os_has_vti(void)
{
static TriState has_vti = kNone;
if (has_vti == kNone) {
HANDLE handle = (HANDLE)_get_osfhandle(input_global_fd());
DWORD dwMode;
if (handle != INVALID_HANDLE_VALUE && GetConsoleMode(handle, &dwMode)) {
has_vti = !!(dwMode & ENABLE_VIRTUAL_TERMINAL_INPUT) ? kTrue : kFalse;
}
}
return has_vti == kTrue;
}
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