Merge branch 'debian/sid' into debian/experimental

[apt.git] / apt-pkg / contrib / fileutl.h

diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 1e16540f7e1838f129ab245b2cb45c04af0a8b35..e04f75e2aed57eea283c1aad26c82b1887a0bfdf 100644 (file)
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -26,6 +26,8 @@
 
 #include <string>
 #include <vector>
 
 #include <string>
 #include <vector>

+#include <set>
+#include <time.h>

 
 #include <zlib.h>
 
 
 #include <zlib.h>
 


@@ -93,7 +95,7 @@ class FileFd
       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… */
       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)
+   bool Read(void *To,unsigned long long Size,unsigned long *Actual) APT_DEPRECATED

    {
        unsigned long long R;
        bool const T = Read(To, Size, &R);
    {
        unsigned long long R;
        bool const T = Read(To, Size, &R);


@@ -101,10 +103,10 @@ class FileFd
        return T;
    }
 
        return T;
    }
 

-   bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const Perms = 0666);
-   bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const Perms = 0666);
-   inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const Perms = 0666) {
-      return Open(FileName, Mode, None, Perms);
+   bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const AccessMode = 0666);
+   bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const AccessMode = 0666);
+   inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const AccessMode = 0666) {
+      return Open(FileName, Mode, None, AccessMode);

    };
    bool OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compress, bool AutoClose=false);
    bool OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose=false);
    };
    bool OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compress, bool AutoClose=false);
    bool OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose=false);


@@ -117,7 +119,7 @@ class FileFd
    // Simple manipulators
    inline int Fd() {return iFd;};
    inline void Fd(int fd) { OpenDescriptor(fd, ReadWrite);};
    // Simple manipulators
    inline int Fd() {return iFd;};
    inline void Fd(int fd) { OpenDescriptor(fd, ReadWrite);};

-   __deprecated gzFile gzFd();
+   gzFile gzFd() APT_DEPRECATED APT_PURE;

 
    inline bool IsOpen() {return iFd >= 0;};
    inline bool Failed() {return (Flags & Fail) == Fail;};
 
    inline bool IsOpen() {return iFd >= 0;};
    inline bool Failed() {return (Flags & Fail) == Fail;};


@@ -127,13 +129,13 @@ class FileFd
    inline bool IsCompressed() {return (Flags & Compressed) == Compressed;};
    inline std::string &Name() {return FileName;};
    
    inline bool IsCompressed() {return (Flags & Compressed) == Compressed;};
    inline std::string &Name() {return FileName;};
    

-   FileFd(std::string FileName,unsigned int const Mode,unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+   FileFd(std::string FileName,unsigned int const Mode,unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)

    {
    {

-      Open(FileName,Mode, None, Perms);
+      Open(FileName,Mode, None, AccessMode);

    };
    };

-   FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+   FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)

    {
    {

-      Open(FileName,Mode, Compress, Perms);
+      Open(FileName,Mode, Compress, AccessMode);

    };
    FileFd() : iFd(-1), Flags(AutoClose), d(NULL) {};
    FileFd(int const Fd, unsigned int const Mode = ReadWrite, CompressMode Compress = None) : iFd(-1), Flags(0), d(NULL)
    };
    FileFd() : iFd(-1), Flags(AutoClose), d(NULL) {};
    FileFd(int const Fd, unsigned int const Mode = ReadWrite, CompressMode Compress = None) : iFd(-1), Flags(0), d(NULL)


@@ -148,7 +150,11 @@ class FileFd
 
    private:
    FileFdPrivate* d;
 
    private:
    FileFdPrivate* d;

-   bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor);
+   APT_HIDDEN bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor);
+
+   // private helpers to set Fail flag and call _error->Error
+   APT_HIDDEN bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD;
+   APT_HIDDEN bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD;

 };
 
 bool RunScripts(const char *Cnf);
 };
 
 bool RunScripts(const char *Cnf);


@@ -156,9 +162,14 @@ bool CopyFile(FileFd &From,FileFd &To);
 int GetLock(std::string File,bool Errors = true);
 bool FileExists(std::string File);
 bool RealFileExists(std::string File);
 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 DirectoryExists(std::string const &Path) APT_CONST;

 bool CreateDirectory(std::string const &Parent, std::string const &Path);
 time_t GetModificationTime(std::string const &Path);
 bool CreateDirectory(std::string const &Parent, std::string const &Path);
 time_t GetModificationTime(std::string const &Path);

+bool Rename(std::string From, std::string To);
+
+std::string GetTempDir();
+FileFd* GetTempFile(std::string const &Prefix = "", 
+                    bool ImmediateUnlink = true);

 
 /** \brief Ensure the existence of the given Path
  *
 
 /** \brief Ensure the existence of the given Path
  *


@@ -178,10 +189,16 @@ void SetCloseExec(int Fd,bool Close);
 void SetNonBlock(int Fd,bool Block);
 bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
 pid_t ExecFork();
 void SetNonBlock(int Fd,bool Block);
 bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
 pid_t ExecFork();

+pid_t ExecFork(std::set<int> keep_fds);
+void MergeKeepFdsFromConfiguration(std::set<int> &keep_fds);

 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 
 bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
 

+

 // check if the given file starts with a PGP cleartext signature
 // check if the given file starts with a PGP cleartext signature

-bool IsPgpClearTextSignature(std::string const &FileName);
+bool StartsWithGPGClearTextSignature(std::string const &FileName);
+
+// process releated
+bool DropPrivs();

 
 // File string manipulators
 std::string flNotDir(std::string File);
 
 // File string manipulators
 std::string flNotDir(std::string File);


@@ -190,6 +207,23 @@ std::string flNoLink(std::string File);
 std::string flExtension(std::string File);
 std::string flCombine(std::string Dir,std::string File);
 
 std::string flExtension(std::string File);
 std::string flCombine(std::string Dir,std::string File);
 

+/** \brief Takes a file path and returns the absolute path
+ */
+std::string flAbsPath(std::string File);
+
+// simple c++ glob
+std::vector<std::string> Glob(std::string const &pattern, int flags=0);
+
+/** \brief Popen() implementation that execv() instead of using a shell
+ *
+ * \param Args the execv style command to run
+ * \param FileFd is a referenz to the FileFd to use for input or output
+ * \param Child a reference to the integer that stores the child pid
+ *        Note that you must call ExecWait() or similar to cleanup
+ * \param Mode is either FileFd::ReadOnly or FileFd::WriteOnly
+ * \return true on success, false on failure with _error set
+ */
+bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode);

 
 
 #endif
 
 
 #endif