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support for huge files (patch 1002226)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29355 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-09-25 22:44:19 +00:00
parent 395480fb22
commit 6294ac2e91
9 changed files with 500 additions and 350 deletions
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10
include/wx/file.h
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@@ -95,7 +95,7 @@ public:
// read/write (unbuffered)
// returns number of bytes read or ofsInvalid on error
off_t Read(void *pBuf, off_t nCount);
size_t Read(void *pBuf, size_t nCount);
// returns the number of bytes written
size_t Write(const void *pBuf, size_t nCount);
// returns true on success
@@ -110,13 +110,13 @@ public:
// file pointer operations (return ofsInvalid on failure)
// move ptr ofs bytes related to start/current off_t/end of file
off_t Seek(off_t ofs, wxSeekMode mode = wxFromStart);
wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart);
// move ptr to ofs bytes before the end
off_t SeekEnd(off_t ofs = 0) { return Seek(ofs, wxFromEnd); }
wxFileOffset SeekEnd(wxFileOffset ofs = 0) { return Seek(ofs, wxFromEnd); }
// get current off_t
off_t Tell() const;
wxFileOffset Tell() const;
// get current file length
off_t Length() const;
wxFileOffset Length() const;
// simple accessors
// is file opened?