C++ IOS Library - set_rdbuf

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Description

Sets sb as the stream buffer associated with the stream, without altering the control state flag (rdstate) and sb shall not be a null pointer.

Derived classes can call this function to implement custom swap functions.

Declaration

Following is the declaration for set_rdbuf function.

void set_rdbuf (streambuf* sb);

Parameters

sb − Pointer to a streambuf object(This shall not be a null pointer).

Return Value

none

Exceptions

Basic guarantee − if an exception is thrown, the stream is in a valid state.

Data races

Modifies the stream object.

Concurrent access to the same stream object may cause data races.