mirror of
https://github.com/holub/mame
synced 2025-05-23 22:20:01 +03:00
98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
//============================================================
|
|
//
|
|
// sdlptty_unix.c - SDL psuedo tty access functions
|
|
//
|
|
// Copyright (c) 1996-2010, Nicola Salmoria and the MAME Team.
|
|
// Visit http://mamedev.org for licensing and usage restrictions.
|
|
//
|
|
// SDLMAME by Olivier Galibert and R. Belmont
|
|
//
|
|
//============================================================
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#if defined(SDLMAME_FREEBSD) || defined(SDLMAME_DRAGONFLY)
|
|
# include <termios.h>
|
|
# include <libutil.h>
|
|
#elif defined(SDLMAME_NETBSD)
|
|
# include <util.h>
|
|
#elif defined(SDLMAME_OPENBSD)
|
|
# include <termios.h>
|
|
# include <util.h>
|
|
#elif defined(SDLMAME_LINUX)
|
|
# include <pty.h>
|
|
#endif
|
|
|
|
#include "sdlfile.h"
|
|
|
|
const char *sdlfile_ptty_identifier = "/dev/pts";
|
|
|
|
file_error sdl_open_ptty(const char *path, UINT32 openflags, osd_file **file, UINT64 *filesize)
|
|
{
|
|
int master;
|
|
int aslave;
|
|
char name[100];
|
|
|
|
if (openpty(&master, &aslave, name, NULL, NULL) >= 0)
|
|
{
|
|
printf("Slave of device %s is %s\n", path, name );
|
|
fcntl(master, F_SETFL, O_NONBLOCK);
|
|
(*file)->handle = master;
|
|
*filesize = 0;
|
|
}
|
|
else
|
|
{
|
|
return FILERR_ACCESS_DENIED;
|
|
}
|
|
|
|
return FILERR_NONE;
|
|
}
|
|
|
|
file_error sdl_read_ptty(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
|
|
{
|
|
ssize_t result;
|
|
|
|
result = read(file->handle, buffer, count);
|
|
|
|
if (result < 0)
|
|
{
|
|
return error_to_file_error(errno);
|
|
}
|
|
|
|
if (actual != NULL )
|
|
{
|
|
*actual = result;
|
|
}
|
|
|
|
return FILERR_NONE;
|
|
}
|
|
|
|
file_error sdl_write_ptty(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
|
|
{
|
|
UINT32 result;
|
|
result = write(file->handle, buffer, count);
|
|
|
|
if (result < 0)
|
|
{
|
|
return error_to_file_error(errno);
|
|
}
|
|
|
|
if (actual != NULL )
|
|
{
|
|
*actual = result;
|
|
}
|
|
|
|
return FILERR_NONE;
|
|
}
|
|
|
|
file_error sdl_close_ptty(osd_file *file)
|
|
{
|
|
close(file->handle);
|
|
osd_free(file);
|
|
|
|
return FILERR_NONE;
|
|
}
|