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Tell is now compatible with the wback buffer

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6364 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guillermo Rodriguez Garcia 2000-02-29 21:05:12 +00:00
parent fc4b32c270
commit 19da72379f
1 changed files with 14 additions and 2 deletions
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16
src/common/stream.cpp
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@ -625,7 +625,13 @@ off_t wxInputStream::SeekI(off_t pos, wxSeekMode mode)
/* A call to SeekI() will automatically invalidate any previous call
to Ungetch(), otherwise it would be possible to SeekI() to one
one position, unread some bytes there, SeekI() to another position
and the data would be corrupted. */
and the data would be corrupted.
GRG: Could add code here to try to navigate within the wback
buffer if possible, but is it really needed? It would only work
when seeking in wxFromCurrent mode, else it would invalidate
anyway...
*/
if (m_wback)
{
free(m_wback);
@ -639,7 +645,13 @@ off_t wxInputStream::SeekI(off_t pos, wxSeekMode mode)
off_t wxInputStream::TellI() const
{
return OnSysTell();
/* GRG: Changed to make it compatible with the wback buffer */
off_t pos = OnSysTell();
if (pos != wxInvalidOffset)
pos -= (m_wbacksize - m_wbackcur);
return pos;
}
// --------------------