Support large files in the complete toolset. Indexes of this

size are pretty unlikely for now, but we need it for deb
packages which could become bigger than 4GB now (LP: #815895)

1 files changed, 17 insertions, 16 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 690e2403c..2e62846d9 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -133,10 +133,10 @@ bool CopyFile(FileFd &From,FileFd &To)
    
    // Buffered copy between fds
    SPtrArray<unsigned char> Buf = new unsigned char[64000];
-   unsigned long Size = From.Size();
+   unsigned long long Size = From.Size();
    while (Size != 0)
    {
-      unsigned long ToRead = Size;
+      unsigned long long ToRead = Size;
       if (Size > 64000)
 	 ToRead = 64000;
       
@@ -800,7 +800,7 @@ FileFd::~FileFd()
 // ---------------------------------------------------------------------
 /* We are carefull to handle interruption by a signal while reading 
    gracefully. */
-bool FileFd::Read(void *To,unsigned long Size,unsigned long *Actual)
+bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
 {
    int Res;
    errno = 0;
@@ -839,13 +839,13 @@ bool FileFd::Read(void *To,unsigned long Size,unsigned long *Actual)
    }
    
    Flags |= Fail;
-   return _error->Error(_("read, still have %lu to read but none left"),Size);
+   return _error->Error(_("read, still have %llu to read but none left"), Size);
 }
 									/*}}}*/
 // FileFd::Write - Write to the file					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool FileFd::Write(const void *From,unsigned long Size)
+bool FileFd::Write(const void *From,unsigned long long Size)
 {
    int Res;
    errno = 0;
@@ -872,13 +872,13 @@ bool FileFd::Write(const void *From,unsigned long Size)
       return true;
    
    Flags |= Fail;
-   return _error->Error(_("write, still have %lu to write but couldn't"),Size);
+   return _error->Error(_("write, still have %llu to write but couldn't"), Size);
 }
 									/*}}}*/
 // FileFd::Seek - Seek in the file					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool FileFd::Seek(unsigned long To)
+bool FileFd::Seek(unsigned long long To)
 {
    int res;
    if (gz)
@@ -888,7 +888,7 @@ bool FileFd::Seek(unsigned long To)
    if (res != (signed)To)
    {
       Flags |= Fail;
-      return _error->Error("Unable to seek to %lu",To);
+      return _error->Error("Unable to seek to %llu", To);
    }
    
    return true;
@@ -897,7 +897,7 @@ bool FileFd::Seek(unsigned long To)
 // FileFd::Skip - Seek in the file					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool FileFd::Skip(unsigned long Over)
+bool FileFd::Skip(unsigned long long Over)
 {
    int res;
    if (gz)
@@ -907,7 +907,7 @@ bool FileFd::Skip(unsigned long Over)
    if (res < 0)
    {
       Flags |= Fail;
-      return _error->Error("Unable to seek ahead %lu",Over);
+      return _error->Error("Unable to seek ahead %llu",Over);
    }
    
    return true;
@@ -916,7 +916,7 @@ bool FileFd::Skip(unsigned long Over)
 // FileFd::Truncate - Truncate the file 				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool FileFd::Truncate(unsigned long To)
+bool FileFd::Truncate(unsigned long long To)
 {
    if (gz)
    {
@@ -926,7 +926,7 @@ bool FileFd::Truncate(unsigned long To)
    if (ftruncate(iFd,To) != 0)
    {
       Flags |= Fail;
-      return _error->Error("Unable to truncate to %lu",To);
+      return _error->Error("Unable to truncate to %llu",To);
    }
    
    return true;
@@ -935,7 +935,7 @@ bool FileFd::Truncate(unsigned long To)
 // FileFd::Tell - Current seek position					/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-unsigned long FileFd::Tell()
+unsigned long long FileFd::Tell()
 {
    off_t Res;
    if (gz)
@@ -950,7 +950,7 @@ unsigned long FileFd::Tell()
 // FileFd::FileSize - Return the size of the file			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-unsigned long FileFd::FileSize()
+unsigned long long FileFd::FileSize()
 {
    struct stat Buf;
 
@@ -962,9 +962,9 @@ unsigned long FileFd::FileSize()
 // FileFd::Size - Return the size of the content in the file		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-unsigned long FileFd::Size()
+unsigned long long FileFd::Size()
 {
-   unsigned long size = FileSize();
+   unsigned long long size = FileSize();
 
    // only check gzsize if we are actually a gzip file, just checking for
    // "gz" is not sufficient as uncompressed files will be opened with
@@ -974,6 +974,7 @@ unsigned long FileFd::Size()
        /* unfortunately zlib.h doesn't provide a gzsize(), so we have to do
 	* this ourselves; the original (uncompressed) file size is the last 32
 	* bits of the file */
+       // FIXME: Size for gz-files is limited by 32bit… no largefile support
        off_t orig_pos = lseek(iFd, 0, SEEK_CUR);
        if (lseek(iFd, -4, SEEK_END) < 0)
 	   return _error->Errno("lseek","Unable to seek to end of gzipped file");