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mentioned that seek[gp] calls seekpos (polym/protectedbuffer.yo)

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Frank B. Brokken 2024-03-26 20:49:35 +01:00
parent 42ad103347
commit 163456a2ff
1 changed files with 8 additions and 6 deletions
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14
annotations/yo/polymorphism/protectedbuffer.yo
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@ -11,17 +11,19 @@ Several protected members are related to buffer management and positioning:
reset the next pointer for input or output to a new relative
position (using
hi(cur)hi(beg)tt(ios::beg, ios::cur) or hi(end)tt(ios::end)). The
default implementation indicates failure by returning -1. The function
default implementation indicates failure by returning -1. This function
is called when tt(tellg) or tt(tellp) are called. When derived class
supports seeking, then it should also define this function to handle
repositioning requests. It is called by ti(pubseekoff). The
new position or an invalid position (i.e., -1) is returned.)
new position or (by default) an invalid position (i.e., -1) is
returned.)
ithtq(seekpos)(virtual ios::pos_type seekpos(ios::pos_type offset,
ios::openmode mode = ios::in | ios::out))
(This member function may be overridden by derived classes to
reset the next pointer for input or output to a new absolute
position (i.e, relative to tt(ios::beg)). The default implementation
indicates failure by returning -1.)
(This member function may be overridden by derived classes to reset the
next pointer for input or output to a new absolute position (i.e,
relative to tt(ios::beg)). This function is called when tt(seekg) or
tt(seekp) are called. The new position or (by default) an invalid
position (i.e., -1) is returned.)
ithtq(sync)
(virtual int sync())
(This member function may be overridden by derived classes to flush the