180 lines
4.7 KiB
C++
180 lines
4.7 KiB
C++
/***********************************************************************
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* fsystemimpl.h - FSystem implementation *
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* *
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* This file is part of the FINAL CUT widget toolkit *
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* *
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* Copyright 2019-2021 Markus Gans *
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* *
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* FINAL CUT is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* FINAL CUT is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FSystem ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FSystemImpl ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FSYSTEMIMPL_H
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#define FSYSTEMIMPL_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#if defined(__linux__)
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#if defined(__arm__) && defined(__GLIBC__) && defined(__GLIBC_PREREQ)
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// ISA sysctl support on arm processors only up to glibc-2.29
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#if !__GLIBC_PREREQ(2,30)
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#define ARM_ISA_SYSCTL
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#endif
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#endif
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#if defined(__x86_64__) || defined(__i386) || defined(ARM_ISA_SYSCTL)
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#define ISA_SYSCTL_SUPPORT
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#include <sys/io.h>
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#endif // defined(__x86_64__) || defined(__i386) || defined(ARM_ISA_SYSCTL)
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#endif // defined(__linux__)
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include "final/fc.h"
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#include "final/fsystem.h"
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namespace finalcut
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{
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//----------------------------------------------------------------------
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// class FSystemImpl
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//----------------------------------------------------------------------
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class FSystemImpl : public FSystem
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{
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public:
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// Constructor
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FSystemImpl() = default;
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// Destructor
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~FSystemImpl() noexcept override;
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// Methods
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#if defined(ISA_SYSCTL_SUPPORT)
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uChar inPortByte (uShort port) override
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{
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return ::inb (port);
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}
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#else
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uChar inPortByte (uShort) override
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{
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return 0;
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}
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#endif
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#if defined(ISA_SYSCTL_SUPPORT)
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void outPortByte (uChar value, uShort port) override
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{
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::outb (value, port);
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}
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#else
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void outPortByte (uChar, uShort) override
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{ }
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#endif
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int isTTY (int fd) const override
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{
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return ::isatty(fd);
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}
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int ioctl (int fd, uLong request, ...) override
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{
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va_list args{};
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va_start (args, request);
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void* argp = va_arg (args, void*);
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int ret = ::ioctl (fd, request, argp);
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va_end (args);
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return ret;
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}
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int open (const char* pathname, int flags, ...) override
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{
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va_list args{};
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va_start (args, flags);
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auto mode = static_cast<mode_t>(va_arg (args, int));
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int ret = ::open (pathname, flags, mode);
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va_end (args);
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return ret;
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}
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int close (int fildes) override
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{
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return ::close(fildes);
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}
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FILE* fopen (const char* path, const char* mode) override
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{
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return std::fopen (path, mode);
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}
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int fclose (FILE* fp) override
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{
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return std::fclose (fp);
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}
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int putchar (int c) override
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{
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#if defined(__sun) && defined(__SVR4)
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return std::putchar(char(c));
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#else
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return std::putchar(c);
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#endif
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}
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uid_t getuid() override
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{
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return ::getuid();
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}
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uid_t geteuid() override
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{
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return ::geteuid();
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}
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int getpwuid_r ( uid_t, struct passwd*, char*, size_t
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, struct passwd** ) override;
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char* realpath (const char*, char*) override;
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};
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} // namespace finalcut
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#endif // FSYSTEMIMPL_H
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