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authorMichael Vogt <michael.vogt@ubuntu.com>2011-09-14 13:22:19 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2011-09-14 13:22:19 +0200
commita0e07f3ec885c12c733c12805391646c202f3f31 (patch)
treefaa658f29d7dff42c6ed475037dd462384eab46e /apt-pkg/contrib/fileutl.h
parentb11fe392b2245354591296df88c3be2e6218af12 (diff)
parentafd7b358f94efddb83a2911ec1a21e7280074b1e (diff)
merged from lp:~donkult/apt/experimental
Diffstat (limited to 'apt-pkg/contrib/fileutl.h')
-rw-r--r--apt-pkg/contrib/fileutl.h35
1 files changed, 25 insertions, 10 deletions
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index a1b177f38..973a38cff 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -49,21 +49,36 @@ class FileFd
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 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(string FileName,OpenMode Mode,unsigned long Perms = 0666);
bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false);
bool Close();