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std::basic_spanbuf<CharT,Traits>::seekpos

From cppreference.com
< cpp‎ | io‎ | basic spanbuf
 
C++
 
Input/output library
 
std::basic_spanbuf
Public member functions
Protected member functions
basic_spanbuf::seekpos
(C++23)
Non-member functions
 
protected:

pos_type seekpos( pos_type sp, std::ios_base::openmode which =

                      std::ios_base::in | std::ios_base::out ) override;
(since C++23)

Repositions the next pointer to the get and/or put area, if possible, to the position indicated by sp.

Equivalent to return seekoff(off_type(sp), std::ios_base::beg, which);.

Contents

[edit] Parameters

sp - stream position, such as one obtained by seekoff() or seekpos()
which - defines whether the input sequences, the output sequence, or both are affected. It can be one or a combination of the following constants:
Constant Explanation
in affect the input sequence
out affect the output sequence

[edit] Return value

sp on success or pos_type(off_type(-1) on failure.

[edit] Notes

seekpos() is called by std::basic_streambuf::pubseekpos(), which is called by the single-argument versions of std::basic_istream::seekg() and std::basic_ostream::seekp().

[edit] Example

[edit] See also

invokes seekpos()
(public member function of std::basic_streambuf<CharT,Traits>) [edit]
[virtual]
repositions the next pointer in the input sequence, output sequence, or both using absolute addressing
(virtual protected member function of std::basic_stringbuf<CharT,Traits,Allocator>) [edit]
[virtual]
repositions the next pointer in the input sequence, output sequence, or both using absolute addressing
(virtual protected member function of std::strstreambuf) [edit]

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