Set the put position relative to a fixed base position.

Synopsis

Declared in <bdlsb_fixedmemoutstreambuf.h>

virtual
pos_type
seekoff(
    off_type offset,
    std::ios_base::seekdir fixedPosition,
    std::ios_base::openmode which = bsl::ios_base::out) override;

Description

Set the position indicator to the relative specified offset from the base position indicated by the specified fixedPosition and return the resulting absolute position on success or pos_type(‐1) on failure. Optionally specify which area of the stream buffer. The seek operation will fail if which does not include the flag bsl::ios_base::out or if the resulting absolute position is less than zero or greater than the value returned by length.

Return Value

resulting absolute position, or pos_type(‐1) on failure

Parameters

Name

Description

offset

relative distance to move the position indicator

fixedPosition

base position from which offset is applied

which

area of the stream buffer; must include out

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