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authorMichael Vogt <michael.vogt@ubuntu.com>2011-11-10 16:56:21 +0100
committerMichael Vogt <michael.vogt@ubuntu.com>2011-11-10 16:56:21 +0100
commit7cb543fb742a837c4931513674febaec5e4c1401 (patch)
treeddefe5b9329907818aa6eb3b593f555b29ccb869 /apt-pkg/contrib/fileutl.h
parentf6cb0880a4b5d31e398cceb2e2577b6b82f4fffb (diff)
parent71ecaad29d8066a494f516efc5efd80860653fe2 (diff)
merged from lp:~mvo/apt/mvo (that has all the changes from debian-experimental2) and resolved a bunch of conflicts
Diffstat (limited to 'apt-pkg/contrib/fileutl.h')
-rw-r--r--apt-pkg/contrib/fileutl.h77
1 files changed, 45 insertions, 32 deletions
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index a1b177f38..0d0451a46 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -31,8 +31,6 @@
/* Define this for python-apt */
#define APT_HAS_GZIP 1
-using std::string;
-
class FileFd
{
protected:
@@ -41,30 +39,45 @@ class FileFd
enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2),
HitEof = (1<<3), Replace = (1<<4) };
unsigned long Flags;
- string FileName;
- string TemporaryFileName;
+ std::string FileName;
+ std::string TemporaryFileName;
gzFile gz;
public:
enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp,ReadOnlyGzip,
WriteAtomic};
- inline bool Read(void *To,unsigned long Size,bool AllowEof)
+ inline bool Read(void *To,unsigned long long Size,bool AllowEof)
{
- unsigned long Jnk;
+ unsigned long 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();
- unsigned long FileSize();
- bool Open(string FileName,OpenMode Mode,unsigned long Perms = 0666);
+ 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();
@@ -78,9 +91,9 @@ class FileFd
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),
+ FileFd(std::string FileName,OpenMode Mode,unsigned long Perms = 0666) : iFd(-1),
Flags(0), gz(NULL)
{
Open(FileName,Mode,Perms);
@@ -92,12 +105,12 @@ class FileFd
bool RunScripts(const char *Cnf);
bool CopyFile(FileFd &From,FileFd &To);
-int GetLock(string File,bool Errors = true);
-bool FileExists(string File);
-bool RealFileExists(string File);
-bool DirectoryExists(string const &Path) __attrib_const;
-bool CreateDirectory(string const &Parent, string const &Path);
-time_t GetModificationTime(string const &Path);
+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
*
@@ -105,13 +118,13 @@ time_t GetModificationTime(string const &Path);
* /apt/ will be removed before CreateDirectory call.
* \param Path which should exist after (successful) call
*/
-bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path);
+bool CreateAPTDirectoryIfNeeded(std::string const &Parent, std::string const &Path);
-std::vector<string> GetListOfFilesInDir(string const &Dir, string const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::string const &Ext,
bool const &SortList, bool const &AllowNoExt=false);
-std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> const &Ext,
+std::vector<std::string> GetListOfFilesInDir(std::string const &Dir, std::vector<std::string> const &Ext,
bool const &SortList);
-string SafeGetCWD();
+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);
@@ -119,10 +132,10 @@ 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);
+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