X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/c7b5ce1cf17ebbf845b58ce33956251176d471b2..7753e4684e2b80abbed296b90f47be12b4fce8fc:/apt-pkg/contrib/fileutl.h diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h index 0c477caf0..419506273 100644 --- a/apt-pkg/contrib/fileutl.h +++ b/apt-pkg/contrib/fileutl.h @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: fileutl.h,v 1.11 1998/12/08 05:24:43 jgg Exp $ +// $Id: fileutl.h,v 1.26 2001/05/07 05:06:52 jgg Exp $ /* ###################################################################### File Utilities @@ -18,58 +18,107 @@ ##################################################################### */ /*}}}*/ -// Header section: pkglib #ifndef PKGLIB_FILEUTL_H #define PKGLIB_FILEUTL_H -#ifdef __GNUG__ -#pragma interface "apt-pkg/fileutl.h" -#endif +#include #include +#include + +#include + +/* Define this for python-apt */ +#define APT_HAS_GZIP 1 + +using std::string; class FileFd { protected: int iFd; - enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2)}; + enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2), + HitEof = (1<<3), Replace = (1<<4) }; unsigned long Flags; string FileName; - + string TemporaryFileName; + gzFile gz; + public: - enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny}; + enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp,ReadOnlyGzip, + WriteAtomic}; - bool Read(void *To,unsigned long Size); + inline bool Read(void *To,unsigned long Size,bool AllowEof) + { + unsigned long Jnk; + if (AllowEof) + return Read(To,Size,&Jnk); + return Read(To,Size); + } + bool Read(void *To,unsigned long Size,unsigned long *Actual = 0); bool Write(const void *From,unsigned long Size); bool Seek(unsigned long To); + bool Skip(unsigned long To); + bool Truncate(unsigned long To); + unsigned long Tell(); unsigned long Size(); + bool Open(string FileName,OpenMode Mode,unsigned long Perms = 0666); + bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false); bool Close(); - + bool Sync(); + // Simple manipulators inline int Fd() {return iFd;}; + inline void Fd(int fd) {iFd = fd;}; inline bool IsOpen() {return iFd >= 0;}; inline bool Failed() {return (Flags & Fail) == Fail;}; inline void EraseOnFailure() {Flags |= DelOnFail;}; inline void OpFail() {Flags |= Fail;}; + inline bool Eof() {return (Flags & HitEof) == HitEof;}; inline string &Name() {return FileName;}; - FileFd(string FileName,OpenMode Mode,unsigned long Perms = 0666); - FileFd(int Fd) : iFd(Fd), Flags(AutoClose) {}; - FileFd(int Fd,bool) : iFd(Fd), Flags(0) {}; + FileFd(string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1), + Flags(0), gz(NULL) + { + Open(FileName,Mode,Perms); + }; + FileFd(int Fd = -1) : iFd(Fd), Flags(AutoClose), gz(NULL) {}; + FileFd(int Fd,bool) : iFd(Fd), Flags(0), gz(NULL) {}; virtual ~FileFd(); }; +bool RunScripts(const char *Cnf); bool CopyFile(FileFd &From,FileFd &To); int GetLock(string File,bool Errors = true); bool FileExists(string File); +bool DirectoryExists(string const &Path) __attrib_const; +bool CreateDirectory(string const &Parent, string const &Path); + +/** \brief Ensure the existence of the given Path + * + * \param Parent directory of the Path directory - a trailing + * /apt/ will be removed before CreateDirectory call. + * \param Path which should exist after (successful) call + */ +bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path); + +std::vector GetListOfFilesInDir(string const &Dir, string const &Ext, + bool const &SortList, bool const &AllowNoExt=false); +std::vector GetListOfFilesInDir(string const &Dir, std::vector const &Ext, + bool const &SortList); string SafeGetCWD(); void SetCloseExec(int Fd,bool Close); void SetNonBlock(int Fd,bool Block); -bool WaitFd(int Fd); +bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0); +pid_t ExecFork(); +bool ExecWait(pid_t Pid,const char *Name,bool Reap = false); // File string manipulators string flNotDir(string File); string flNotFile(string File); +string flNoLink(string File); +string flExtension(string File); +string flCombine(string Dir,string File); #endif