diff options
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 107 |
1 files changed, 81 insertions, 26 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 65c19ea92..0907f4dcd 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: fileutl.cc,v 1.34 2000/01/17 07:11:49 jgg Exp $ +// $Id: fileutl.cc,v 1.35 2001/02/20 07:03:17 jgg Exp $ /* ###################################################################### File Utilities @@ -19,6 +19,9 @@ #endif #include <apt-pkg/fileutl.h> #include <apt-pkg/error.h> +#include <apt-pkg/sptr.h> + +#include <apti18n.h> #include <unistd.h> #include <fcntl.h> @@ -39,7 +42,7 @@ bool CopyFile(FileFd &From,FileFd &To) return false; // Buffered copy between fds - unsigned char *Buf = new unsigned char[64000]; + SPtrArray<unsigned char> Buf = new unsigned char[64000]; unsigned long Size = From.Size(); while (Size != 0) { @@ -49,15 +52,11 @@ bool CopyFile(FileFd &From,FileFd &To) if (From.Read(Buf,ToRead) == false || To.Write(Buf,ToRead) == false) - { - delete [] Buf; return false; - } Size -= ToRead; } - delete [] Buf; return true; } /*}}}*/ @@ -72,11 +71,22 @@ int GetLock(string File,bool Errors) int FD = open(File.c_str(),O_RDWR | O_CREAT | O_TRUNC,0640); if (FD < 0) { + // Read only .. cant have locking problems there. + if (errno == EROFS) + { + _error->Warning(_("Not using locking for read only lock file %s"),File.c_str()); + return dup(0); // Need something for the caller to close + } + if (Errors == true) - _error->Errno("open","Could not open lock file %s",File.c_str()); + _error->Errno("open",_("Could not open lock file %s"),File.c_str()); + + // Feh.. We do this to distinguish the lock vs open case.. + errno = EPERM; return -1; } - + SetCloseExec(FD,true); + // Aquire a write lock struct flock fl; fl.l_type = F_WRLCK; @@ -87,12 +97,15 @@ int GetLock(string File,bool Errors) { if (errno == ENOLCK) { - _error->Warning("Not using locking for nfs mounted lock file %s",File.c_str()); - return true; + _error->Warning(_("Not using locking for nfs mounted lock file %s"),File.c_str()); + return dup(0); // Need something for the caller to close } if (Errors == true) - _error->Errno("open","Could not get lock %s",File.c_str()); + _error->Errno("open",_("Could not get lock %s"),File.c_str()); + + int Tmp = errno; close(FD); + errno = Tmp; return -1; } @@ -150,6 +163,18 @@ string flNotFile(string File) return string(File,0,Res); } /*}}}*/ +// flExtension - Return the extension for the file /*{{{*/ +// --------------------------------------------------------------------- +/* */ +string flExtension(string File) +{ + string::size_type Res = File.rfind('.'); + if (Res == string::npos) + return File; + Res++; + return string(File,Res,Res - File.length()); +} + /*}}}*/ // flNoLink - If file is a symlink then deref it /*{{{*/ // --------------------------------------------------------------------- /* If the name is not a link then the returned path is the input. */ @@ -189,6 +214,24 @@ string flNoLink(string File) } } /*}}}*/ +// flCombine - Combine a file and a directory /*{{{*/ +// --------------------------------------------------------------------- +/* If the file is an absolute path then it is just returned, otherwise + the directory is pre-pended to it. */ +string flCombine(string Dir,string File) +{ + if (File.empty() == true) + return string(); + + if (File[0] == '/' || Dir.empty() == true) + return File; + if (File.length() >= 2 && File[0] == '.' && File[1] == '/') + return File; + if (Dir[Dir.length()-1] == '/') + return Dir + File; + return Dir + '/' + File; +} + /*}}}*/ // SetCloseExec - Set the close on exec flag /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -216,7 +259,7 @@ void SetNonBlock(int Fd,bool Block) /*}}}*/ // WaitFd - Wait for a FD to become readable /*{{{*/ // --------------------------------------------------------------------- -/* This waits for a FD to become readable using select. It is usefull for +/* This waits for a FD to become readable using select. It is useful for applications making use of non-blocking sockets. The timeout is in seconds. */ bool WaitFd(int Fd,bool write,unsigned long timeout) @@ -309,7 +352,7 @@ bool ExecWait(int Pid,const char *Name,bool Reap) if (Reap == true) return false; - return _error->Error("Waited, for %s but it wasn't there",Name); + return _error->Error(_("Waited, for %s but it wasn't there"),Name); } @@ -319,12 +362,12 @@ bool ExecWait(int Pid,const char *Name,bool Reap) if (Reap == true) return false; if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV) - return _error->Error("Sub-process %s recieved a segmentation fault.",Name); + return _error->Error(_("Sub-process %s received a segmentation fault."),Name); if (WIFEXITED(Status) != 0) - return _error->Error("Sub-process %s returned an error code (%u)",Name,WEXITSTATUS(Status)); + return _error->Error(_("Sub-process %s returned an error code (%u)"),Name,WEXITSTATUS(Status)); - return _error->Error("Sub-process %s exited unexpectedly",Name); + return _error->Error(_("Sub-process %s exited unexpectedly"),Name); } return true; @@ -363,7 +406,7 @@ bool FileFd::Open(string FileName,OpenMode Mode, unsigned long Perms) } if (iFd < 0) - return _error->Errno("open","Could not open file %s",FileName.c_str()); + return _error->Errno("open",_("Could not open file %s"),FileName.c_str()); this->FileName = FileName; SetCloseExec(iFd,true); @@ -395,7 +438,7 @@ bool FileFd::Read(void *To,unsigned long Size,bool AllowEof) if (Res < 0) { Flags |= Fail; - return _error->Errno("read","Read error"); + return _error->Errno("read",_("Read error")); } To = (char *)To + Res; @@ -414,7 +457,7 @@ bool FileFd::Read(void *To,unsigned long Size,bool AllowEof) } Flags |= Fail; - return _error->Error("read, still have %u to read but none left",Size); + return _error->Error(_("read, still have %lu to read but none left"),Size); } /*}}}*/ // FileFd::Write - Write to the file /*{{{*/ @@ -432,7 +475,7 @@ bool FileFd::Write(const void *From,unsigned long Size) if (Res < 0) { Flags |= Fail; - return _error->Errno("write","Write error"); + return _error->Errno("write",_("Write error")); } From = (char *)From + Res; @@ -444,7 +487,7 @@ bool FileFd::Write(const void *From,unsigned long Size) return true; Flags |= Fail; - return _error->Error("write, still have %u to write but couldn't",Size); + return _error->Error(_("write, still have %lu to write but couldn't"),Size); } /*}}}*/ // FileFd::Seek - Seek in the file /*{{{*/ @@ -455,7 +498,7 @@ bool FileFd::Seek(unsigned long To) if (lseek(iFd,To,SEEK_SET) != (signed)To) { Flags |= Fail; - return _error->Error("Unable to seek to %u",To); + return _error->Error("Unable to seek to %lu",To); } return true; @@ -469,7 +512,7 @@ bool FileFd::Skip(unsigned long Over) if (lseek(iFd,Over,SEEK_CUR) < 0) { Flags |= Fail; - return _error->Error("Unable to seek ahead %u",Over); + return _error->Error("Unable to seek ahead %lu",Over); } return true; @@ -483,7 +526,7 @@ bool FileFd::Truncate(unsigned long To) if (ftruncate(iFd,To) != 0) { Flags |= Fail; - return _error->Error("Unable to truncate to %u",To); + return _error->Error("Unable to truncate to %lu",To); } return true; @@ -519,13 +562,25 @@ bool FileFd::Close() bool Res = true; if ((Flags & AutoClose) == AutoClose) if (iFd >= 0 && close(iFd) != 0) - Res &= _error->Errno("close","Problem closing the file"); + Res &= _error->Errno("close",_("Problem closing the file")); iFd = -1; if ((Flags & Fail) == Fail && (Flags & DelOnFail) == DelOnFail && FileName.empty() == false) if (unlink(FileName.c_str()) != 0) - Res &= _error->Warning("unlnk","Problem unlinking the file"); + Res &= _error->WarningE("unlnk",_("Problem unlinking the file")); return Res; } /*}}}*/ +// FileFd::Sync - Sync the file /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool FileFd::Sync() +{ +#ifdef _POSIX_SYNCHRONIZED_IO + if (fsync(iFd) != 0) + return _error->Errno("sync",_("Problem syncing the file")); +#endif + return true; +} + /*}}}*/ |