-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-1998 The LyX Team.
+/**
+ * \file FileInfo.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * ======================================================*/
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS
+ */
#include <config.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+//#include <sys/types.h>
+//#include <sys/stat.h>
+
#include <cerrno>
#include "FileInfo.h"
+#include "LAssert.h"
#if !S_IRUSR
# if S_IREAD
#undef S_ISNWK
#undef S_ISREG
#undef S_ISSOCK
-#endif
+#endif
#if !defined(S_ISBLK) && defined(S_IFBLK)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
-// Since major is a function on SVR4, we can't use `ifndef major'.
-// might want to put MAJOR_IN_MKDEV for SYSV
-#ifdef MAJOR_IN_MKDEV
-#include <sys/mkdev.h>
-#define HAVE_MAJOR
+
+namespace {
+
+// builds 'rwx' string describing file access rights
+void flagRWX(mode_t i, char * str)
+{
+ str[0] = (i & S_IRUSR) ? 'r' : '-';
+ str[1] = (i & S_IWUSR) ? 'w' : '-';
+ str[2] = (i & S_IXUSR) ? 'x' : '-';
+}
+
+// updates mode string to match suid/sgid/sticky bits
+void setSticky(mode_t i, char * str)
+{
+#ifdef S_ISUID
+ if (i & S_ISUID)
+ str[3] = (str[3] == 'x') ? 's' : 'S';
#endif
-#ifdef MAJOR_IN_SYSMACROS
-#include <sys/sysmacros.h>
-#define HAVE_MAJOR
+#ifdef S_ISGID
+ if (i & S_ISGID)
+ str[6] = (str[6] == 'x') ? 's' : 'S';
#endif
-#ifdef major
-#define HAVE_MAJOR
+#ifdef S_ISVTX
+ if (i & S_ISVTX)
+ str[9] = (str[9] == 'x') ? 's' : 'S';
#endif
+}
-#ifndef HAVE_MAJOR
-#define major(dev) (((dev) >> 8) & 0xff)
-#define minor(dev) ((dev) & 0xff)
-#define makedev(maj, min) (((maj) << 8) | (min))
+// returns a letter describing a file type (ls style)
+char typeLetter(mode_t i)
+{
+#ifdef S_ISBLK
+ if (S_ISBLK(i)) return 'b';
+#endif
+ if (S_ISCHR(i)) return 'c';
+ if (S_ISDIR(i)) return 'd';
+ if (S_ISREG(i)) return '-';
+#ifdef S_ISFIFO
+ if (S_ISFIFO(i)) return 'p';
+#endif
+#ifdef S_ISLNK
+ if (S_ISLNK(i)) return 'l';
+#endif
+#ifdef S_ISSOCK
+ if (S_ISSOCK(i)) return 's';
+#endif
+#ifdef S_ISMPC
+ if (S_ISMPC(i)) return 'm';
+#endif
+#ifdef S_ISNWK
+ if (S_ISNWK(i)) return 'n';
#endif
-#undef HAVE_MAJOR
+ return '?';
+}
+
+
+} // namespace anon
FileInfo::FileInfo()
FileInfo::FileInfo(string const & path, bool link)
- : fname(path)
+ : fname_(path)
{
init();
dostat(link);
FileInfo::FileInfo(int fildes)
{
init();
- status = fstat(fildes, buf);
- if (status) err = errno;
-}
-
-
-FileInfo::~FileInfo()
-{
- delete[] buf;
+ status_ = fstat(fildes, &buf_);
+ if (status_)
+ err_ = errno;
}
void FileInfo::init()
{
- status = 0;
- err = NoErr;
- buf = (struct stat*) new char[sizeof(struct stat)];
+ status_ = 0;
+ err_ = NoErr;
}
void FileInfo::dostat(bool link)
{
- if (link) {
- status = lstat(fname.c_str(), buf);
- } else {
- status = stat(fname.c_str(), buf);
- }
- if (status) err = errno;
+ if (link)
+ status_ = ::lstat(fname_.c_str(), &buf_);
+ else
+ status_ = ::stat(fname_.c_str(), &buf_);
+ if (status_)
+ err_ = errno;
}
-FileInfo& FileInfo::newFile(string const &path, bool link)
+FileInfo & FileInfo::newFile(string const & path, bool link)
{
- fname = path;
-
- status = 0;
- err = NoErr;
-
+ fname_ = path;
+ status_ = 0;
+ err_ = NoErr;
dostat(link);
-
return *this;
}
-FileInfo& FileInfo::newFile(int fildes)
+FileInfo & FileInfo::newFile(int fildes)
{
- status = 0;
- err = NoErr;
- status = fstat(fildes, buf);
- if (status) err = errno;
+ status_ = 0;
+ err_ = NoErr;
+ status_ = fstat(fildes, &buf_);
+ if (status_)
+ err_ = errno;
return *this;
}
-char const * FileInfo::typeIndicator() const
+// should not be in FileInfo
+char FileInfo::typeIndicator() const
{
- if (S_ISDIR(buf->st_mode)) return ("/");
+ lyx::Assert(isOK());
+ if (S_ISDIR(buf_.st_mode))
+ return '/';
#ifdef S_ISLNK
- if (S_ISLNK(buf->st_mode)) return ("@");
+ if (S_ISLNK(buf_.st_mode))
+ return '@';
#endif
#ifdef S_ISFIFO
- if (S_ISFIFO(buf->st_mode)) return ("|");
+ if (S_ISFIFO(buf_.st_mode))
+ return '|';
#endif
#ifdef S_ISSOCK
- if (S_ISSOCK(buf->st_mode)) return ("=");
+ if (S_ISSOCK(buf_.st_mode))
+ return '=';
#endif
- if (S_ISREG(buf->st_mode) && (buf->st_mode & (S_IEXEC | S_IXGRP | S_IXOTH)))
- return ("*");
- return "";
+ if (S_ISREG(buf_.st_mode) && (buf_.st_mode & (S_IEXEC | S_IXGRP | S_IXOTH)))
+ return '*';
+ return ' ';
}
mode_t FileInfo::getMode() const
{
- return buf->st_mode;
-}
-
-long FileInfo::getBlockSize() const
-{
-#ifndef __EMX__
- return buf->st_blksize; /* Preferred I/O block size */
-#else
-#warning May be fixed in 0.13 (SMiyata)
- return 512; /* Assume HPFS */
-#endif
-}
-
-void FileInfo::modeString(char * szString) const
-{
- szString[0] = typeLetter();
- flagRWX((buf->st_mode & 0700) << 0, &szString[1]);
- flagRWX((buf->st_mode & 0070) << 3, &szString[4]);
- flagRWX((buf->st_mode & 0007) << 6, &szString[7]);
- setSticky(szString);
- szString[10] = 0;
-}
-
-
-char FileInfo::typeLetter() const
-{
-#ifdef S_ISBLK
- if (S_ISBLK(buf->st_mode)) return 'b';
-#endif
- if (S_ISCHR(buf->st_mode)) return 'c';
- if (S_ISDIR(buf->st_mode)) return 'd';
- if (S_ISREG(buf->st_mode)) return '-';
-#ifdef S_ISFIFO
- if (S_ISFIFO(buf->st_mode)) return 'p';
-#endif
-#ifdef S_ISLNK
- if (S_ISLNK(buf->st_mode)) return 'l';
-#endif
-#ifdef S_ISSOCK
- if (S_ISSOCK(buf->st_mode)) return 's';
-#endif
-#ifdef S_ISMPC
- if (S_ISMPC(buf->st_mode)) return 'm';
-#endif
-#ifdef S_ISNWK
- if (S_ISNWK(buf->st_mode)) return 'n';
-#endif
- return '?';
+ lyx::Assert(isOK());
+ return buf_.st_mode;
}
-void FileInfo::flagRWX(unsigned short i, char * szString) const
+// should not be in FileInfo
+string FileInfo::modeString() const
{
- szString[0] = (i & S_IRUSR) ? 'r' : '-';
- szString[1] = (i & S_IWUSR) ? 'w' : '-';
- szString[2] = (i & S_IXUSR) ? 'x' : '-';
+ lyx::Assert(isOK());
+ char str[11];
+ str[0] = typeLetter(buf_.st_mode);
+ flagRWX((buf_.st_mode & 0700) << 0, &str[1]);
+ flagRWX((buf_.st_mode & 0070) << 3, &str[4]);
+ flagRWX((buf_.st_mode & 0007) << 6, &str[7]);
+ setSticky(buf_.st_mode, str);
+ str[10] = 0;
+ return str;
}
-void FileInfo::setSticky(char * szString) const
-{
-#ifdef S_ISUID
- if (buf->st_mode & S_ISUID) {
- if (szString[3] != 'x') szString[3] = 'S';
- else szString[3] = 's';
- }
-#endif
-#ifdef S_ISGID
- if (buf->st_mode & S_ISGID) {
- if (szString[6] != 'x') szString[6] = 'S';
- else szString[6] = 's';
- }
-#endif
-#ifdef S_ISVTX
- if (buf->st_mode & S_ISVTX) {
- if (szString[9] != 'x') szString[9] = 'T';
- else szString[9] = 't';
- }
-#endif
-}
-
time_t FileInfo::getModificationTime() const
{
- return buf->st_mtime;
+ lyx::Assert(isOK());
+ return buf_.st_mtime;
}
time_t FileInfo::getAccessTime() const
{
- return buf->st_atime;
+ lyx::Assert(isOK());
+ return buf_.st_atime;
}
-time_t FileInfo::getStatusChangeTime() const
+time_t FileInfo::getStatusChangeTime() const
{
- return buf->st_ctime;
+ lyx::Assert(isOK());
+ return buf_.st_ctime;
}
nlink_t FileInfo::getNumberOfLinks() const
{
- return buf->st_nlink;
+ lyx::Assert(isOK());
+ return buf_.st_nlink;
}
-uid_t FileInfo::getUid() const
+uid_t FileInfo::getUid() const
{
- return buf->st_uid;
+ lyx::Assert(isOK());
+ return buf_.st_uid;
}
-gid_t FileInfo::getGid() const
+gid_t FileInfo::getGid() const
{
- return buf->st_gid;
+ lyx::Assert(isOK());
+ return buf_.st_gid;
}
off_t FileInfo::getSize() const
{
- return buf->st_size;
+ lyx::Assert(isOK());
+ return buf_.st_size;
}
int FileInfo::getError() const
{
- return err;
+ return err_;
}
bool FileInfo::isOK() const
{
- // DEC cxx 6.0 chokes on this bizarre construct (compiler bug)
- // return (status) ? false : true;
- // So I replaced it with a simpler one (JMarc)
- return status == 0;
+ return status_ == 0;
}
bool FileInfo::isLink() const
{
- return S_ISLNK(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISLNK(buf_.st_mode);
}
bool FileInfo::isRegular() const
{
- return S_ISREG(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISREG(buf_.st_mode);
}
bool FileInfo::isDir() const
{
- return S_ISDIR(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISDIR(buf_.st_mode);
}
bool FileInfo::isChar() const
{
- return S_ISCHR(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISCHR(buf_.st_mode);
}
bool FileInfo::isBlock() const
{
- return S_ISBLK(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISBLK(buf_.st_mode);
}
bool FileInfo::isFifo() const
{
- return S_ISFIFO(buf->st_mode);
+ lyx::Assert(isOK());
+ return S_ISFIFO(buf_.st_mode);
}
bool FileInfo::isSocket() const
{
+ lyx::Assert(isOK());
#ifdef S_ISSOCK
- return S_ISSOCK(buf->st_mode);
+ return S_ISSOCK(buf_.st_mode);
#else
return false;
#endif
}
-bool FileInfo::access(int p)
+// should not be in FileInfo
+bool FileInfo::access(int p) const
{
// if we don't have a filename we fail
- if (fname.empty()) return false;
-
- if (::access(fname.c_str(), p) == 0)
- return true;
- else {
- // If we were really kind, we would also tell why
- // the file access failed.
+ if (fname_.empty())
return false;
- }
+
+ // If we were really kind, we would also tell why
+ // the file access failed.
+ return ::access(fname_.c_str(), p) == 0;
}
projects / lyx.git / blobdiff