X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/578bfd0aed2ec993f4ad85fa6a7094a852261422..0118833a3b3e65ad7296863aa7d49574eb615f83:/apt-pkg/contrib/fileutl.cc diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 6048ff0bb..60b9f8b75 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 1.1 1998/07/02 02:58:13 jgg Exp $ +// $Id: fileutl.cc,v 1.8 1998/10/02 04:39:50 jgg Exp $ /* ###################################################################### File Utilities @@ -14,8 +14,11 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#include -#include +#ifdef __GNUG__ +#pragma implementation "apt-pkg/fileutl.h" +#endif +#include +#include #include #include @@ -26,7 +29,7 @@ // CopyFile - Buffered copy of a file /*{{{*/ // --------------------------------------------------------------------- /* The caller is expected to set things so that failure causes erasure */ -bool CopyFile(File From,File To) +bool CopyFile(FileFd From,FileFd To) { if (From.IsOpen() == false || To.IsOpen() == false) return false; @@ -104,13 +107,25 @@ string SafeGetCWD() return S; } /*}}}*/ +// flNotDir - Strip the directory from the filename /*{{{*/ +// --------------------------------------------------------------------- +/* */ +string flNotDir(string File) +{ + string::size_type Res = File.rfind('/'); + if (Res == string::npos) + return File; + Res++; + return string(File,Res,Res - File.length()); +} + /*}}}*/ -// File::File - Open a file /*{{{*/ +// FileFd::FileFd - Open a file /*{{{*/ // --------------------------------------------------------------------- /* The most commonly used open mode combinations are given with Mode */ -File::File(string FileName,OpenMode Mode, unsigned long Perms) +FileFd::FileFd(string FileName,OpenMode Mode, unsigned long Perms) { - Flags = 0; + Flags = AutoClose; switch (Mode) { case ReadOnly: @@ -125,6 +140,15 @@ File::File(string FileName,OpenMode Mode, unsigned long Perms) case WriteExists: iFd = open(FileName.c_str(),O_RDWR); break; + + case WriteAny: + iFd = open(FileName.c_str(),O_RDWR | O_CREAT,Perms); + break; + + // Dont use this in public directories + case LockEmpty: + iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_TRUNC,Perms); + break; } if (iFd < 0) @@ -133,19 +157,19 @@ File::File(string FileName,OpenMode Mode, unsigned long Perms) this->FileName = FileName; } /*}}}*/ -// File::~File - Closes the file /*{{{*/ +// FileFd::~File - Closes the file /*{{{*/ // --------------------------------------------------------------------- /* If the proper modes are selected then we close the Fd and possibly unlink the file on error. */ -File::~File() +FileFd::~FileFd() { Close(); } /*}}}*/ -// File::Read - Read a bit of the file /*{{{*/ +// FileFd::Read - Read a bit of the file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool File::Read(void *To,unsigned long Size) +bool FileFd::Read(void *To,unsigned long Size) { if (read(iFd,To,Size) != (signed)Size) { @@ -156,10 +180,10 @@ bool File::Read(void *To,unsigned long Size) return true; } /*}}}*/ -// File::Write - Write to the file /*{{{*/ +// FileFd::Write - Write to the file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool File::Write(void *From,unsigned long Size) +bool FileFd::Write(void *From,unsigned long Size) { if (write(iFd,From,Size) != (signed)Size) { @@ -170,10 +194,10 @@ bool File::Write(void *From,unsigned long Size) return true; } /*}}}*/ -// File::Seek - Seek in the file /*{{{*/ +// FileFd::Seek - Seek in the file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool File::Seek(unsigned long To) +bool FileFd::Seek(unsigned long To) { if (lseek(iFd,To,SEEK_SET) != (signed)To) { @@ -184,10 +208,10 @@ bool File::Seek(unsigned long To) return true; } /*}}}*/ -// File::Size - Return the size of the file /*{{{*/ +// FileFd::Size - Return the size of the file /*{{{*/ // --------------------------------------------------------------------- /* */ -unsigned long File::Size() +unsigned long FileFd::Size() { struct stat Buf; if (fstat(iFd,&Buf) != 0) @@ -195,16 +219,17 @@ unsigned long File::Size() return Buf.st_size; } /*}}}*/ -// File::Close - Close the file if the close flag is set /*{{{*/ +// FileFd::Close - Close the file if the close flag is set /*{{{*/ // --------------------------------------------------------------------- /* */ -bool File::Close() +bool FileFd::Close() { bool Res = true; if ((Flags & AutoClose) == AutoClose) - if (close(iFd) != 0) + if (iFd >= 0 && close(iFd) != 0) 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)