// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: fileutl.h,v 1.22 1999/09/30 06:30:34 jgg Exp $
+// $Id: fileutl.h,v 1.26 2001/05/07 05:06:52 jgg Exp $
/* ######################################################################
File Utilities
#ifndef PKGLIB_FILEUTL_H
#define PKGLIB_FILEUTL_H
-#ifdef __GNUG__
-#pragma interface "apt-pkg/fileutl.h"
-#endif
+#include <apt-pkg/macros.h>
#include <string>
+#include <vector>
+
+#include <zlib.h>
+
+/* Define this for python-apt */
+#define APT_HAS_GZIP 1
class FileFd
{
int iFd;
enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2),
- HitEof = (1<<3)};
+ HitEof = (1<<3), Replace = (1<<4) };
unsigned long Flags;
- string FileName;
-
+ std::string FileName;
+ std::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,bool AllowEof = false);
- 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 Close();
+ inline bool Read(void *To,unsigned long long Size,bool AllowEof)
+ {
+ unsigned long long Jnk;
+ if (AllowEof)
+ return Read(To,Size,&Jnk);
+ return Read(To,Size);
+ }
+ bool Read(void *To,unsigned long long Size,unsigned long long *Actual = 0);
+ bool Write(const void *From,unsigned long long Size);
+ bool Seek(unsigned long long To);
+ bool Skip(unsigned long long To);
+ bool Truncate(unsigned long long To);
+ unsigned long long Tell();
+ unsigned long long Size();
+ unsigned long long FileSize();
+ /* You want to use 'unsigned long long' if you are talking about a file
+ to be able to support large files (>2 or >4 GB) properly.
+ This shouldn't happen all to often for the indexes, but deb's might be…
+ And as the auto-conversation converts a 'unsigned long *' to a 'bool'
+ instead of 'unsigned long long *' we need to provide this explicitely -
+ otherwise applications magically start to fail… */
+ __deprecated bool Read(void *To,unsigned long long Size,unsigned long *Actual)
+ {
+ unsigned long long R;
+ bool const T = Read(To, Size, &R);
+ *Actual = R;
+ return T;
+ }
+
+ bool Open(std::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 gzFile gzFd() {return gz;};
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;};
+ inline std::string &Name() {return FileName;};
- FileFd(string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1),
- Flags(0)
+ FileFd(std::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) {};
- FileFd(int Fd,bool) : iFd(Fd), Flags(0) {};
+ 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);
-string SafeGetCWD();
+int GetLock(std::string File,bool Errors = true);
+bool FileExists(std::string File);
+bool RealFileExists(std::string File);
+bool DirectoryExists(std::string const &Path) __attrib_const;
+bool CreateDirectory(std::string const &Parent, std::string const &Path);
+time_t GetModificationTime(std::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(std::string const &Parent, std::string const &Path);
+
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::string const &Ext,
+ bool const &SortList, bool const &AllowNoExt=false);
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
+ bool const &SortList);
+std::string SafeGetCWD();
void SetCloseExec(int Fd,bool Close);
void SetNonBlock(int Fd,bool Block);
bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
-int ExecFork();
-bool ExecWait(int Pid,const char *Name,bool Reap = false);
+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);
+std::string flNotDir(std::string File);
+std::string flNotFile(std::string File);
+std::string flNoLink(std::string File);
+std::string flExtension(std::string File);
+std::string flCombine(std::string Dir,std::string File);
#endif
projects / apt.git / blobdiff