mirror of
https://git.lyx.org/repos/lyx.git
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a654de29ea
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3802 a592a061-630c-0410-9148-cb99ea01b6c8
412 lines
6.9 KiB
C
412 lines
6.9 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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//#include <sys/types.h>
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//#include <sys/stat.h>
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#include <cerrno>
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#include "FileInfo.h"
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#include "LAssert.h"
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#if !S_IRUSR
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# if S_IREAD
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# define S_IRUSR S_IREAD
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# else
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# define S_IRUSR 00400
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# endif
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#endif
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#if !S_IWUSR
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# if S_IWRITE
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# define S_IWUSR S_IWRITE
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# else
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# define S_IWUSR 00200
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# endif
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#endif
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#if !S_IXUSR
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# if S_IEXEC
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# define S_IXUSR S_IEXEC
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# else
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# define S_IXUSR 00100
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# endif
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#endif
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#ifdef STAT_MACROS_BROKEN
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#undef S_ISBLK
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#undef S_ISCHR
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#undef S_ISDIR
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#undef S_ISFIFO
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#undef S_ISLNK
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#undef S_ISMPB
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#undef S_ISMPC
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#undef S_ISNWK
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#undef S_ISREG
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#undef S_ISSOCK
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#endif
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#if !defined(S_ISBLK) && defined(S_IFBLK)
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#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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#endif
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#if !defined(S_ISCHR) && defined(S_IFCHR)
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#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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#endif
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#if !defined(S_ISDIR) && defined(S_IFDIR)
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif
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#if !defined(S_ISREG) && defined(S_IFREG)
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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#if !defined(S_ISFIFO) && defined(S_IFIFO)
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#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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#endif
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#if !defined(S_ISLNK) && defined(S_IFLNK)
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#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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#endif
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#if !defined(S_ISSOCK) && defined(S_IFSOCK)
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#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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#endif
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#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
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#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
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#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
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#endif
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#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
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#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
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#endif
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// Since major is a function on SVR4, we can't use `ifndef major'.
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// might want to put MAJOR_IN_MKDEV for SYSV
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#ifdef MAJOR_IN_MKDEV
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#include <sys/mkdev.h>
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#define HAVE_MAJOR
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#endif
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#ifdef MAJOR_IN_SYSMACROS
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#include <sys/sysmacros.h>
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#define HAVE_MAJOR
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#endif
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#ifdef major
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#define HAVE_MAJOR
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#endif
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#ifndef HAVE_MAJOR
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#define major(dev) (((dev) >> 8) & 0xff)
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#define minor(dev) ((dev) & 0xff)
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#define makedev(maj, min) (((maj) << 8) | (min))
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#endif
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#undef HAVE_MAJOR
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FileInfo::FileInfo()
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{
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init();
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}
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FileInfo::FileInfo(string const & path, bool link)
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: fname(path)
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{
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init();
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dostat(link);
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}
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FileInfo::FileInfo(int fildes)
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{
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init();
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status = fstat(fildes, &buf);
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if (status) err = errno;
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}
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void FileInfo::init()
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{
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status = 0;
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err = NoErr;
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}
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void FileInfo::dostat(bool link)
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{
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if (link) {
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status = ::lstat(fname.c_str(), &buf);
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} else {
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status = ::stat(fname.c_str(), &buf);
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}
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if (status) err = errno;
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}
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FileInfo & FileInfo::newFile(string const & path, bool link)
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{
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fname = path;
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status = 0;
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err = NoErr;
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dostat(link);
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return *this;
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}
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FileInfo & FileInfo::newFile(int fildes)
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{
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status = 0;
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err = NoErr;
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status = fstat(fildes, &buf);
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if (status) err = errno;
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return *this;
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}
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// should not be in FileInfo
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char const * FileInfo::typeIndicator() const
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{
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lyx::Assert(isOK());
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if (S_ISDIR(buf.st_mode)) return ("/");
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#ifdef S_ISLNK
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if (S_ISLNK(buf.st_mode)) return ("@");
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#endif
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#ifdef S_ISFIFO
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if (S_ISFIFO(buf.st_mode)) return ("|");
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#endif
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#ifdef S_ISSOCK
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if (S_ISSOCK(buf.st_mode)) return ("=");
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#endif
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if (S_ISREG(buf.st_mode) && (buf.st_mode & (S_IEXEC | S_IXGRP | S_IXOTH)))
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return ("*");
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return "";
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}
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mode_t FileInfo::getMode() const
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{
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lyx::Assert(isOK());
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return buf.st_mode;
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}
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// should not be in FileInfo
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void FileInfo::modeString(char * szString) const
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{
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szString[0] = typeLetter();
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flagRWX((buf.st_mode & 0700) << 0, &szString[1]);
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flagRWX((buf.st_mode & 0070) << 3, &szString[4]);
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flagRWX((buf.st_mode & 0007) << 6, &szString[7]);
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setSticky(szString);
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szString[10] = 0;
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}
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// should not be in FileInfo
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char FileInfo::typeLetter() const
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{
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lyx::Assert(isOK());
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#ifdef S_ISBLK
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if (S_ISBLK(buf.st_mode)) return 'b';
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#endif
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if (S_ISCHR(buf.st_mode)) return 'c';
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if (S_ISDIR(buf.st_mode)) return 'd';
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if (S_ISREG(buf.st_mode)) return '-';
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#ifdef S_ISFIFO
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if (S_ISFIFO(buf.st_mode)) return 'p';
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#endif
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#ifdef S_ISLNK
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if (S_ISLNK(buf.st_mode)) return 'l';
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#endif
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#ifdef S_ISSOCK
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if (S_ISSOCK(buf.st_mode)) return 's';
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#endif
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#ifdef S_ISMPC
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if (S_ISMPC(buf.st_mode)) return 'm';
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#endif
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#ifdef S_ISNWK
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if (S_ISNWK(buf.st_mode)) return 'n';
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#endif
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return '?';
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}
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// should not be in FileInfo
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void FileInfo::flagRWX(mode_t i, char * szString) const
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{
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szString[0] = (i & S_IRUSR) ? 'r' : '-';
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szString[1] = (i & S_IWUSR) ? 'w' : '-';
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szString[2] = (i & S_IXUSR) ? 'x' : '-';
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}
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// should not be in FileInfo
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void FileInfo::setSticky(char * szString) const
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{
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lyx::Assert(isOK());
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#ifdef S_ISUID
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if (buf.st_mode & S_ISUID) {
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if (szString[3] != 'x') szString[3] = 'S';
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else szString[3] = 's';
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}
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#endif
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#ifdef S_ISGID
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if (buf.st_mode & S_ISGID) {
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if (szString[6] != 'x') szString[6] = 'S';
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else szString[6] = 's';
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}
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#endif
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#ifdef S_ISVTX
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if (buf.st_mode & S_ISVTX) {
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if (szString[9] != 'x') szString[9] = 'T';
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else szString[9] = 't';
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}
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#endif
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}
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time_t FileInfo::getModificationTime() const
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{
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lyx::Assert(isOK());
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return buf.st_mtime;
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}
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time_t FileInfo::getAccessTime() const
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{
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lyx::Assert(isOK());
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return buf.st_atime;
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}
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time_t FileInfo::getStatusChangeTime() const
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{
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lyx::Assert(isOK());
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return buf.st_ctime;
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}
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nlink_t FileInfo::getNumberOfLinks() const
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{
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lyx::Assert(isOK());
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return buf.st_nlink;
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}
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uid_t FileInfo::getUid() const
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{
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lyx::Assert(isOK());
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return buf.st_uid;
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}
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gid_t FileInfo::getGid() const
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{
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lyx::Assert(isOK());
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return buf.st_gid;
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}
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off_t FileInfo::getSize() const
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{
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lyx::Assert(isOK());
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return buf.st_size;
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}
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int FileInfo::getError() const
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{
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return err;
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}
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bool FileInfo::isOK() const
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{
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// DEC cxx 6.0 chokes on this bizarre construct (compiler bug)
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// return (status) ? false : true;
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// So I replaced it with a simpler one (JMarc)
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return status == 0;
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}
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bool FileInfo::isLink() const
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{
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lyx::Assert(isOK());
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return S_ISLNK(buf.st_mode);
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}
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bool FileInfo::isRegular() const
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{
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lyx::Assert(isOK());
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return S_ISREG(buf.st_mode);
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}
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bool FileInfo::isDir() const
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{
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lyx::Assert(isOK());
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return S_ISDIR(buf.st_mode);
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}
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bool FileInfo::isChar() const
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{
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lyx::Assert(isOK());
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return S_ISCHR(buf.st_mode);
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}
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bool FileInfo::isBlock() const
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{
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lyx::Assert(isOK());
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return S_ISBLK(buf.st_mode);
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}
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bool FileInfo::isFifo() const
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{
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lyx::Assert(isOK());
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return S_ISFIFO(buf.st_mode);
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}
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bool FileInfo::isSocket() const
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{
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lyx::Assert(isOK());
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#ifdef S_ISSOCK
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return S_ISSOCK(buf.st_mode);
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#else
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return false;
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#endif
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}
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// should not be in FileInfo
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bool FileInfo::access(int p) const
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{
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// if we don't have a filename we fail
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if (fname.empty()) return false;
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if (::access(fname.c_str(), p) == 0)
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return true;
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else {
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// If we were really kind, we would also tell why
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// the file access failed.
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return false;
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}
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}
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