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/***********************************************************************
* fsystemimpl.h - FSystem implementation *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2019-2022 Markus Gans *
* *
* FINAL CUT is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
/* Inheritance diagram
* ═══════════════════
*
* ▕▔▔▔▔▔▔▔▔▔▏
* ▕ FSystem ▏
* ▕▁▁▁▁▁▁▁▁▁▏
* ▲
* │
* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
* ▕ FSystemImpl ▏
* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
*/
#ifndef FSYSTEMIMPL_H
#define FSYSTEMIMPL_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#if defined(__linux__)
#if defined(__arm__) && defined(__GLIBC__) && defined(__GLIBC_PREREQ)
// ISA sysctl support on arm processors only up to glibc-2.29
#if !__GLIBC_PREREQ(2,30)
#define ARM_ISA_SYSCTL
#endif
#endif
#if defined(__x86_64__) || defined(__i386) || defined(ARM_ISA_SYSCTL)
#define ISA_SYSCTL_SUPPORT
#include <sys/io.h>
#endif // defined(__x86_64__) || defined(__i386) || defined(ARM_ISA_SYSCTL)
#endif // defined(__linux__)
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <cstdarg>
#include <fcntl.h>
#include <unistd.h>
#include "final/fc.h"
#include "final/util/fsystem.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FSystemImpl
//----------------------------------------------------------------------
class FSystemImpl : public FSystem
{
public:
// Constructor
FSystemImpl() = default;
// Destructor
~FSystemImpl() noexcept override;
// Methods
#if defined(ISA_SYSCTL_SUPPORT)
inline auto inPortByte (uShort port) -> uChar override
{
return ::inb (port);
}
#else
inline uChar inPortByte (uShort) override
{
return 0;
}
#endif
#if defined(ISA_SYSCTL_SUPPORT)
inline void outPortByte (uChar value, uShort port) override
{
::outb (value, port);
}
#else
inline void outPortByte (uChar, uShort) override
{ }
#endif
inline auto isTTY (int fd) const -> int override
{
return ::isatty(fd);
}
inline auto ioctl (int fd, uLong request, ...) -> int override
{
va_list args{};
va_start (args, request);
void* argp = va_arg (args, void*);
int ret = ::ioctl (fd, request, argp);
va_end (args);
return ret;
}
inline auto open (const char* pathname, int flags, ...) -> int override
{
va_list args{};
va_start (args, flags);
auto mode = static_cast<mode_t>(va_arg (args, int));
int ret = ::open (pathname, flags, mode);
va_end (args);
return ret;
}
inline auto close (int fildes) -> int override
{
return ::close(fildes);
}
inline auto fopen (const char* path, const char* mode) -> FILE* override
{
return std::fopen (path, mode);
}
inline auto fclose (FILE* fp) -> int override
{
return std::fclose (fp);
}
inline auto fputs (const char* str, FILE* stream) -> int override
{
return std::fputs (str, stream);
}
inline auto putchar (int c) -> int override
{
#if defined(__sun) && defined(__SVR4)
return std::putchar(char(c));
#else
return std::putchar(c);
#endif
}
inline auto getuid() -> uid_t override
{
return ::getuid();
}
inline auto geteuid() -> uid_t override
{
return ::geteuid();
}
auto getpwuid_r ( uid_t, struct passwd*, char*, size_t
, struct passwd** ) -> int override;
auto realpath (const char*, char*) -> char* override;
};
} // namespace finalcut
#endif // FSYSTEMIMPL_H
|
